‘ AGRA Asa oat a 2 * * eee te A £%. = | re RS Ne pene Digitized by the Internet Archive | in 2009 with funding from Ontario Council of University Librari y ae *, = TRANSACTIONS AND PROCEEDINGS OF THE BOTANICAL SOCIETYoeF sis a e/ijD"W . 4 os } oh wh , / Je ——_ ’ , | No j~ ee VOLUME XV. EDINBURGH: PRINTED FOR THE BOTANICAL SOOIETY, MDCCCLXEXIV. CONSPECTUS HEPATICARUM SUBORDINUM, TRIBUUM ET SUBTRIBUUM. Susorpo Il. JUNGERMANIACE4* Vegetatio foliosa, in perpaucis frondosa. Fructus solitarius pedt- cellatuscapsularis quadrivalvis, rarissime irregulariter ruptus. Elateres sporis interjecti. Andrecia spicata, sepe amentiformia ; antheridia bracteis foliaceis suffulta, solum in paucis frondosis in caule sparsa vel seriata et ebracteata.—-p. 1-556. Tribus 1. JUBULEZ. Ramiyicatio ubique lateralis, scilicet ramis distichis, foliis solum lateralibus (nunquam posticis) adjectis, in plerisque infra-axillaribus. Folia semper alterna, incuba, complicato-biloba, lobulo inferiore minore vulgo inflato vel saccato. Folivla, sive folia postica, in omnibus ferme presentia, radicellifera; in paucis nulla (radicellis in tali re in caule biseriatis); in paucissimis duplicata (i.e. biseriata). Flores g seepius diandri, in paucis monandri, solum in Myrtocolea 4-7-andri. Flores 2 monogynt, vel 1-4-gyni. Perianthium semper presens, liberum, a fronte plus minus compressum, 2—12-angulatum, raro teres, apice constricto breviter tubulare. Calyptra tam a pert- anthio quam a pistillidiis constanter libera. Capsula brevipes globosa, ab apice ad 2 solum 4-valvis, tertid parte inferiore solidd, collum sive apophysin (revera pedicelli apicem dilatatum) sistente. Elateres monospiri, truncati, persistentes.—p. 1-308. Tribus Il. JUNGERMANIE. Ramificatio varia, lateralis, vel ex parte (quoad ramulos floriferos preecipue) postica ; raro omnes rami postici, rarissime alii etiam antici. * Caracteres literis italicis impressi majoris momenti sunt. V1 ‘ CONSPECTUS HEPATICARUM Folia in aliis incuba vel transversa, in aliis succuba, alterna vel opposita, forma valde varia, plerumque subexplanata vel concava, integra vel perszepe fissa, rarius autem complicato-biloba. oliola aliorum generum constanter przesentia, aliorum perrara nullave. Flores $ in aliis semper monandri, in aliis oligandri, in perpaucis polyandri. Flores 2 oligo-polygynt; pistillidia 5-80, libera, vel in fructu calyptre plus minus alte adnata. Perianthium valde varium, complanatum, trigonum vel polygonum, raro perfecte teres, ore hiante vel constricto ; interdum plane vel ad speciem deficiens ; in paucis marsupium carnosum pendulum sistens. Calyptra utplurimum libera, in aliis autem perianthio vel involucro adnata. Capsula globosa, oblonga vel cylindrica, ad basin usque 4-valvis, im paucis- simis irregulariter dehiscens. luteres in omnibus fere dispiri, raro monospiri vel 3-4-spiri, decidui, perpauci heteromorphi interdum in capsule fundo apiceve diutius persistentes, demum idem ac normales decidui.—p. 309-556. — A. Elateres normaliter dispwrt. a. Radicelle e foliorun lobulo orte. Subtribus I. RapuLe#. Plante grandiuscule, prostrate, dichotome vel laxe pinnate. Rami omnes laterales, infra-awillares. Folwa iucuba, complicato-biloba, lobulo inferiore minore rhizophoro. Foliola nulla. Flof#es g 1-8-andri. Perianthium a fronte semper fere compressum, interdum complanatum, ore lato truncato. Capsula tantum non omnium oblongo-cylindrica.—p. 313-325. b. Radicelle e-caule vel ¢ foliolis posticts orte. Subtribus Il. PorELLE&. Plante elate speciosee. Caules e caudice re- pente radicelloso orti plumeformi-pinnati vel bipinnati, subarhia, ramis omnibus lateralibus intra-axillaribus. Folia incuba complicato- biloba, lobulo inferiore sat minore ligulato. Foliola lobulis aqui- magna, subinde rhizophora. Flores dioici: ¢ constanter monandri. Flores 2 in ramulo laterali valde abbreviato terminales (i.e. clado- geni). Perianthium a tronte compressulum, trigonum, angulo tertio postico, 3-10-plicatum, ore laciniolato primum constricto demum hiante vel bilabiato. Calyptra libera. Capsula magna globosa, ad basin usque 4-valvis; valvulis sepe basin versus incomplete disjunctis, wregu- lariter fissis.—p. 325-334. Subtribus IL]. Prinipimz. Plante pro more elate, sepe pulchre colorate, SUBORDINUM, TRIBUUM ET SUBTRIBUUM. Vil albidee, flavicantes rosezve, interdum sanguinee. Caules plerumque e caudice repente radicelloso, seepe etiam flagellifero, orti, pinnatim vel vage ramosi subarhizi ; rami vel omnes laterales vel alii postici, flore 2 autem semper in caule vel in ramo laterali (nunquam postico) longiore brevioreve terminali. Folia incuba, transversa, vel succuba, foliolis (semper preesentibus) subequimagna atque conformia, canalicu- lata, rarissime autem complicata, bi-plurifida, sepe eleganter ciliata, vel in lacinias capillares dissoluta. Florescentia in omnibus (Anthelia Juratzkana sola excepta?) dioica. Flores ¢ in suceubifoliis mon- andri, in incubifoliis utplurimum diandri. Sractee 2 plurijuge, vel omnes liberee, vel intimee perianthio—interdum calyptre— adnate. Perianthiwm (ubi adest) a fronte parum vel vix com- pressum, carinis plicisve 3-10 percursum, raro ecarinatum, ore con- strictum vel truncatum, a bracteis intimis liberum vel in aliis generi- bus lisdem adnatum et obvelatum; interdum nullum. Calyptra libera, vel in aliis speciebus eperiantheriferis bracteis internis ves- tita. Capsula vel globosa valida pluristrata rectivalvis, vel cylin- dracea bistrata tortivalvis, valvulis interdum bifidis.. Hlateres tenues dispiri.—p. 335-351. . Subtribus IV. TriconantHe#. Plante pusille vel elatiores, e viridi pallescentes, raro luridee vel subroseze. Caules seepius prostrati vel procumbentes, vage vel pinnatim ramosi, aut dichotomi, flagellis posticis subaphyllis seepe adjectis. Ram foliosi laterales, vel alii— interdum omnes—postici ; florifert 2 tantwm non in omnibus postict solum in paucis Cephaloziis terminales ; in Anomoclada autem rami tam foliosi quam floriferi omnes antici. Folia alterna, raro opposita, succuba vel incuba, forma varia, ab apice—sepe lato, truncato—plus minus profunde 2-4-(raro ad 6-) dentata-lobatave, raro perfect integra ; in perpaucis complicata (lobulo postico minore); margine utpluri- mum integerrimo plano vel incurvo (nunquam recurve). Foliola vel nulla vel parva; raro foliis haud multo minora iisdemque subcon- formia. lores ranvulo postico constantes ; vel (rarius tamen) in ramo laterali vel in ipso caule terminales, ¢ monandri, rarissime diandri. Bractee @ plerumque trijuge et tristiche, in paucis distiche. Perianthium semper fere elongatum et angustum, trigonum, angulo tertio postico, raro ex angulis intercalatis 4-6-gonum, omnibus angulis exalatis et inermibus; a calyptra et involucro liberum (preter Anomo- clade bracteis intimis leviter adnatum, et Kantie cui marsupium ealyptra intus coneretum perianthii loco adest). Culyptra plerumque parva, nisi in Kantia libera. Capsula seepissime oblonga vel cylin- drica, bistrata—in paucis generibus 4—5-strata, valvulis rectis, solum in Kantia contortis. Hlateres tenues dispiri.—p. 351-416. Subtribus V. ScapantomEx. Plante speciose grandifoliz, colore roseo Vill ; CONSPECTUS HEPATICARUM albido, vel flavido-seepe insignes. Caules e caudice repente orti, erecti vel devexi, subradicellosi, ramos paucos solum laterales proferentes. Folia alterna transversacomplicato-biloba, lobulo antico minore, margine utplurimum pulchre denticulata ciliatave, interdum etiam lobulata, facie supera nuda vel in aliis lamellosa pilosave. Foliola in plurimis nulla, in paucis adsunt sat magna, biloba et incisa. Flores in caule terminales, dioici, raro paroici: ¢ di-polyandri. Bractee 9 in plerisque foliis subconformes, magis equilobe. Perianthiwm in typicis emersum; liberum, a fronte compressum, ore truncato sepe complanatum et decurvum, in aliis paucis minus compressum et 5- pluriplicatum; in genere Schistocheila Dum. (= Gottschea Nees.) autem nullum proprium, bracteis 3—4-jugis, caulis apici cavo tumenti adnatis, perianthii vicibus fungentibus. Capsula valida oblonga, interdum prelonga. Elateres dispiri.cSubtribus melius forsan pro sequentis sectione habenda, habitu autem peculiari et foliis com- plicatis lobulo antico minore (nec postico ac in Radula, ete.) facile re- cognoscenda.—P. 416-419. Subtribus VI. EprgontantHe&. Plante varius pusille, sepe elatiores vel robustz, e viridi albicantes flavideve, nunc subluride, minus fre- quenter rose. Oaules vel e caudice radicelloso repente assurgentes, tantum non omnes arhizi; vel prostrati et crebrius radicellosi; vage ramosi vel dichotomi, raro pinnati. Rami semper fere laterales, e foli- orum axilla media posticave orti, rarissime revera postici, i.e. foliolis axillaria. Folia succuba vel transversa (nunquam incuba) alterna vel opposita, sat lata, integra, bifida vel 3-5-fida; margine in pusillis pro more integerrima, in elatioribus perszpe ciliata vel spinoso-dentata, basi antica seepe valide recurva. oliola plerumque nulla vel parva, raro majuscula; in aliis speciebus oppositifoliis (e.g. Lophocoleis, Chiloscyphis et Leioseyphis) utrinque cum folio adjacente in verti- cillum trifolium connata; in Plagiochilis oppositifoliis autem nulla. Flores dioici vel monoici, acrogeni, rarissime hypogeni. Bractee g 1-10-andre. Bractee 2 1-5-juge, foliis plerumque magis incise, liberee vel in paucis perianthio plus minus alte adnate, vel denique perianthii incomplete monophylli vel plane deficientis vicibus fun- gentes. In generibus quibus marsupium perianthii loco adest bractes interiores perseepe minute, marsupil os cingentes. Perianthiwm per- fectum normaliter a latere compresswm, in aliis (superne saltem) com- planatum, anceps, apice prelato truncato vel bilabiato, suturis (antico et postico) sepe alatis, in iis autem quibus adsunt foliola majuscula persepe trigonum, angulo tertio antico ; in aliis deniqueé magis inflatum, 3-polygonum, raro teres, microstomum. Capsula sepius plus minus oblongata, pluristrata. Hlateres di- (rarissime mono-) spiri.—p. 419- 523. SUBORDINUM, TRIBUUM ET SUBTRIBUUM. 1X Subtribus VII. Fossompronie&. Plante foliose vel sepius frondose, pro more prostrate, radicellosz ; in Scalia autem basi rhizomatos4 ramosa matrici adfixee, omnino arhize; subdichotome, speciebus frondosis rarius postice subramosis. Caulis plerumque subplano-convexus, a frondis pagina bene definitus ; vel prelatus, cum pagina utrinque con- fusus. Folia (ubi adsunt) succuba, sat lata, seepe carnosula, siccando flaccida. oliola, praeter in Scalia, nulla. /’rondes lineares vel obo- vatee, integerrimee vel serrulatee, interdum pinnatifidee, in Petalophyllo supra lamellosee. Flores ¢ in caulis tota longitudine submarginales ; antheridia 2-5na, foliis viz velata ; in aliis tam foliosis quam frondosis in alveolis epidermidi opertis, utroque caulis latere ordinatis, 2-3na ; vel (in aliis) alveolis apertis monandris bractea minuta incurva suffultis recepta. Perianthiwm incomplete (solum in Pallavicinia perfecte) tubulare; in multis autem nullum adest. Calyptra raro parva, pler- umque elongata carnosa, ab involucro et perianthio libera, recepta- culo autem szepe plus minus alte concreta. Pvstillida sterilia vel calyptre plus minus alte (interdum solo apici) adnata, vel super caulem seriata, nuda. Capsula in Typicis subglobosa, 2-5-strata, plus minus irrequlariter dehiscens ; in § Leptotheceis cylindracea, 1-strata valvulis 4, reqgularibus, vel solum wno latere dehiscens. Elateres 2-4- (varo 1-) spiri, omnes simul, vel alii paulo tardins decidui.—P. 523- 539. b. Elateres monospiri, utroque fine acutissimi ; pauci autem apicales breves rigidi diutius persistentes. Subtribus VIII. Merzcrerize. Plante frondose, dichotome vel pin- natim ramosze, laciniis linearibus; rami in altero genere (Aneuwra) omnes laterales, costa lata laxius cellulosa subtus radicellosa, pagina nulla vel perangusta, raro sat lata; in altero generi (Metzgeria) rami rarissime laterales et pinnati, floriferi omnes (interdum etiam eflori- feri) postici, radicellis e costa margineque, subinde etiam e tota super- ficie ortis. Genitalia utriusque sexus in ramuli abbreviati costa disticha ; pistillidia 2-20-juga, astyla; antheridia sepius magis nwmerosa, rarissime 4-sticha. Perianthium nullum. Calyptra magna clavata, carnosa, wn Aneura sepius papillosa, in Metzgeria radicellis hirta. Capsula elongata, ad basin usque 4-valvis, bistrata. Elateres apicales fiat, cwm ceteris liberis intexti, in penicillos quatuor supra capsulam apertam porrectt.—p. 539-556: Susorpo I]. MARCHANTIACE. Frondes plus minus carnose, prostrate, late et indistincte costate, supra venoso-areolate, areolis pro more uniporosis, strato hypoporo Xe 7 CONSPECTUS HEPATICARUM cavernoso ; dichotome, interdum frondulas posticas edentes ; subtus radicellis preelongis villose, inter radicellas paleis seriatis coloratis plerumque ornate. Ductuli hydragogi capillacei longissimi fasciculati canalem subter costam implentes, deinde per pedunculi canaliculos ad capitulum usque ascendentes. /Joves in omnibus fere dioici, acrogeni vel epigeni. Andracia vel peltata stipitata vel discordea subimmersa ; antheridia in alveolis solitaria. Capitula 2 pedunculo valido cum frondis costa continuo suffulta, 2-multiflora, orbiculata, hemispherica vel conoidea, plerumque lobata, subtus paleacea, intus locellata, locellis deorsum spectantibus. Jnvolucrum cujusque locelli uni-pluriflorum vel nullum. Perianthium devexum tenerum. eequaliter fissum, raro nullum. /Pustillidia 2-12, in toro brevi biseriata. Calyptra tenuis, basi sola spe persistente. Capsula brevipes, globosa, unistrata, circumscissa, vel a vertice 4-8-fida. Elateres 1-5-spiri decidui.—p. 556-560. Susorpo III. RICCIACEZ. Frondes cellulose carnose, strato cavitatum aérearum sub epi- dermide preditz, utplurimum dichotome. /ructus evalvis, fronde plerumque immersus. Involucrum sepissime, perianthium semper, nullum. Capsula vel libera vel calyptra connata et confusa, globosa, urregularier dehiscens. LHlateres nulli. Antheridia fronde immersa. p. 569-571. Susporpo IV. ANTHOCEROTACEA. Frondes molles, carnosule vel tenues, siccando flaccide, subtus radicellose epaleace ; orbiculares, ambitu lobate, costa prelata cum pagina confusa; in Dendrocerote autem pinnatim fisse, lineares, costa angusta bene definita. Hpzdermzs eporosa, interdum cellulis gonidiiferis opacis punctata. lores monoici vel dioici, antici (i.e. epigeni). Antheridia in alveolis supra frondem sparsis immersa, obtecta, solitaria vel pauca, raro plurima. Jnvolucrum corniforme, ore obliquo scarioso. Peranthium et calyptra nulla, Oégonia solitaria nuda, intra coste substantiam nidulantia. Fructus pedun- culatus, seliqueformis, bivalvis, columella (sive dissepimento) percursus SUBORDINUM, TRIBUUM ET SUBTRIBUUM. xl Elateres vel monospiri vel fibram solum flexuosam (nec spiralem) continentes.—p. 571-578.* . * Synopses of the Genera in each Suborder, Tribe, or Subtribe, and of the Species in each Genus, will be found in their proper place in the body of the work. For an exposition of the principles on which this classification of Hepatice is based, see the author’s memoir ‘‘ On Cephalozia”’ (Malton, 1882). “ HEPATICA AMAZONICH ET ANDINA.” Part I. (pp. 1-308) published April, 1884. Part II. (pp. 809-588) published November, 1885. re ¥ i Wg Pn A) te Pee nee a t a F, eva ry Ao My att T \ . s . 2 , a) a iy Ok ah Py So Rit Bs er ba tea f + ia neh Pe iv ” ; : ra RA Bh tee |, ete i A , Pah ’ rae | = | “" - iia aad ATS Ce te) > i va ~ —~ HEPATICA, AMAZONICA, ET ANDINA QUAS IN ITINERE SUO PER TRACTUS MONTIUM ET FLUVIORUM AMERICA AAQUINOCTIALIS A FLUMINIS AMAZONUM OSTIIS AD MARIS PACIFICI LITORA USQUE, NECNON A CATARACTIS FLUMINIS ORINOCI, CIS AQUATOREM, ADUSQUE FLUVII HUALLAGA CATARACTAS, LAT. 6°—7° AUSTRALI, ANNIS 1849-—1862, DECERPSIT NUPERIUSQUE DESCRIPSIT RICHARD SPRUCE. i 7s HEPATICA AMAZONICA: ET ANDINA. Ordo HEPATICA. Susorpo L—JUNGERMANIACEZZ. Jungermaniee, Nees, Hep. Eur. IV. p. xix.; G. L. et N. Syn. Hep. p. 1. Fructus solitarius, capsularis, quadrivalvis, valvulis interdum fissis, rarissime lacerus. Elateres sporis interjecti. Vegetatio aut foliosa aut frondosa. Tribus L—JUBULEZ, Dum. emend. Jubulee, Dum. Comm. bot. et Lejewniaceew, Dum. Syll. ex p. ; Jubulee, Nees Hep. Eur. III. ; G. L. et N. Syn. Hep. 283. Plante elate vel pusille, interdum minutissime, plerumque depresso-cespitose pendulzve, colore virente, albido, rufescente vel badio, raro roseo sanguineove, Vix unquam aureo. Caules pinnatim ramosi, vel ex parte dichotomi ; rami omnes distichi, laterales, nullo postico. Folia constanter alterna, incuba vel transversa, subtus lobulata, lobulo rarius subplano, plerumque inflato vel saccato, in- terdum bifido, subinde obsoleto, rarissime ommnino deficiente. Foliola postica (sive stipule) in omnibus fere prexsentia, in paucis nulla, in perpaucis duplicata. Florescentia dioica vel monoica (autoica, raro paroica). Andrecia spicata, persepe ramulo proprio amentiformi constantia ; bractez subequilobe diandre, rarius 1-vel 3—4-andre. Gynecia in ramo longitudine normali, vel plus minus abbreviato, raro in ipso caule, terminalia. Involucrum ? bracteis 1—-plurijugis, foliis difformibus, planilobulis, constans. Pistillidia 1-4, longistyla. Perianthium liberum, a fronte plus minus com- pressum, 2—12-carinatum, carinis plerumque 3 (tertia postica) vel TRANS. BOT. SOC. VOL, XV. A 2 FRULLANIA. 4-6, raro pluribus (10-12); in paucis speciebus teres (carinis obliteratis), in paucissimis compresso-planum ; apice in mucronem tubularem abiens, demum valvatim fissum. Calyptra libera, in Lejunea tenuis, in Frullania carnosa, obovata pyriformisve, apice subregulariter bi-trivalvatim rupta. Pedicellus perbrevis, perian- thium 2-83plo (interdum vix) superans, apice in capsulam abrupte dilatatus. Capsula globosa, pro more tenuis, a media basi ad 4 semicircumferentiz# usque integra, intus pallida, deinde 4-valvis, valvyulis ovali-lanceolatis acutis, alternis subangustioribus, facie interna rufescentibus papilloso-spongiosis; cellule exteriores sat magne et crasse, tesselate, pariete ad angulos vel solum ad latera (per intervalla) incrassato, interiores minus regulares, valde inzequa- liter papilloso-prominule, intus fibris maculisve coloratis (helicis reliquiis ?) reticulate. Zlateres haud numerosi (16-200), capsule dimidio supero adfixi, anguste tubzformes, stricti, persistentes, primum omnes deversi apiceque dilatato-truncato capsule basi insi- dentes, mediz longiores exacte verticales, laterales sensim breviores et subobliqui, omnes unispiri, rarissimo casu, helice fisso, pro parte 2-4-spiri. Spore majuscule, globose, pressione mutua spe poly- hedre, semper fere scaberule, tuberculatz vel verruculose. Pro- pagula, ubi adsunt, majuscula, disciformia, cellulosa. CoNSPECTUS GENERUM JUBULEARUM. A. Lobulus foliorwm a caule plus minus dissitus, plerumque saccatus yal- eatusve, interdum evolutus et recurvo-canaliculatus. I. FruLnaAnrA.—Rami intra-axillares, folii caulini basi mterna con- tigui, ab eodem liberi. Folia subtransversa, valida, pro m. integerrima ; cellule pariete incrassato, trigonis angularibus sat magnis. Foliola con- stanter presentia. Innovatio subfloralis nulla. Flores ? 2-4-gyni, bracteis plurijugis. Pedicellus cellulis 4-stratis concentricis (8 ¢. in sectionis diametro, 32 c. in circumferentia) subequalibus alternis con- flatus. Capsula facie interna papilloso-spongiosa. II. Jupunta.—Rami laterales, folio unilobo, antico, ex p. in caule, ex p- in ipso ramo insidente, suffulti. Folia super caulem ineurrentia, tenella, ciliata, cellulis subleptodermibus conflata. Foliola preesentia. Flores ? 1-4-gyni. Innovationes subflorales duz, opposite, altera eartum raro deficiente. Bracteze unijuge, utraque innovationi ejusdem lateris adnata. Pedicellus cellulis oppositis bistratis, axialibus 4-seriatis, sectione cruciatis @, periphericis 16-seriatis minoribus, constans. Capsula facie interna sublevis, ad speciem porosa. B. Lobulus super caulem incurrens (idem ac lobus), incurvo-inflatus vel subplanus, interdum obsoletus. III. Leyevnea—Rami infra-avillares, folii caulini basi externa con- FRULLANIA,. 2 tigui. Folia oblique vel fere longitudinaliter inserta, plerumque tenera, integerrima, denticulata, vel dentato-ciliata. Foliola in plurimis specie- bus obvia, in paucis nulla. Flores @ monogyni. Innovatis pes sub- florales, solitariz, vel bine et opposite, in plerisque adsunt, bracteis intimis adnate, in aliis autem carent. Bractesze uni-raro pluri-juge, planilobe. Pedicellus idem fere Jubulew, cellulis axialibus 4-seriatis (interstitiis formam crucis ostendentibus), periphericis 12- vel 16-seriatis. Capsula (pro more pallida) facie interna spongiosa. I, FRULLANIA, Raddi. Jungermaniogr. Etrusc. (1820) ; Nees, Hep. Eur. III; G. L. et N. Syn. Hep. 408. Plante pro more elatz, raro pusillee, depresso-czespitose et strati- ficatee, sepe pendule, firmiuscule, colore raro viridi, plerumque rufescente badiove, interdum fere nigro, in paucis roseo tincto vel omnino sanguineo, haud raro nitido. Cawles validi teretes opaci, cellulis parvis conformibus pluristratis conflati, pinnatim ramosi ; rami foliis exacte axillares, basi tam lobo quam lobulo contigui, raro apice bifurci, altero ramulo ad involucrum @ abbreviato, altero interdum apice iterum (subinde iterumque) florifero ; innovatio vero subfloralis nunquam adest. Folia basi brevi transversa (antice per- paulo sursum vergente) inserta, complicato-biloba ; lobus anticus major, oblique ovatus vel suborbiculatus—nunquam angustus—con- vexus, incubus, persepi basi antica semicordatus, integerrimus, rarius apice denticulatus; lobulus cucullatus, galeiformis, vel saccatus (campanulatus digitiformisve), haud raro evolutus ovato-lanceolatus, revera pro more bipartitus, lacinia intima (juxta caulem) parva minutave, triangulari, subulata styliformive. Cellule plerumque parvulz, in aliis minutz, in paucis mediocres, in nullis magne, in omnibus fere subzquales, globoso-hexagonx, pariete incrassato, trigonis ad angulos, interdumque (cellularum inferiorum) quoque ad latera, conspicuis. olium axillare (sc. ramorum insertionem ob- velans) quoad lobum ceteris foliis conforme, lobulo autem majore, distincte duplice, bifido vel ad basin usque partito, laciniis sube- qualibus vel caulinari imo majore. oliola semper presentia, sat magna, foliis tamen minora, orbiculata, oblonga, vel cuneata, basi sepe cordata vel crispato-auriculata, raro subdecurrentia, apice bifida (in perpaucis integra), e tergo radicellas breviusculas stellatim patulas rarius proferentia. Flores dioici vel monoici (raro paroici). Andrecia varie posita, sepissime ramulo abbreviato, globoso, oblongo vel cylindraceo constantia ; bractez confertee, 2-(raro 3-4-)andre. Gynecia semper terminalia, acrogena vel cladogena. Bractece 2-5- 4 FRULLANIA, juge, foliis majores, lobulo majore et evoluto, seepe dentate lacinia- teve, intime in aliis speciebus in cyathum altum, angulatum con- nate. Perianthia semper fere emersa, trigona, angulo tertio postico, vel tetragona, angulis posticis binis; facie antica convexa medio sepe sulcata, in aliis unicarinata, interdum—in subgenere Chonan- thelia, rarissime in aliis—e plicis interpositis pluriplicata-carinatave, in omnibus fere levissima, in perpaucis tuberculis squamulisve con- spersa; apice in rostellum tubulare (clausum) absuntia, demum valvatim 2-6-fida. Pistillidia 2-4na, longistyla. Calyptra pyriformis obovatave carnosa, inferne sepe 6-8 cellulas crassa, apice dehiscente bi-triloba. Pedzcellus brevis, perianthio 2—3plo (vel vix) longior, validus, teres, siccando haud articulatus, cellulis breviuscule prismaticis, alternis (nec oppositis ad Lejewnece instar), in pedicelli diametro 8, sectione transversa hexagonis, nisi periphericis (sub 32-seriatis) subquadratis et paulo minoribus ; pedicellus autem apice abrupte dilatatus, diametro 16 pluresve cellulas constans, sectione verticali semilunata, in capsulam transit.* Capsula globosa (ac in tribus diagnosi jam descripta) validiuscula, rufo-badia, 4-valvis, Elateres validi unispiri, casu rarissimo 2—4-spiri, in aliis speciebus 30-36 cujusque valvule, in aliis pauciores. Spore sat magne, rufe, tuberculis verruculisve asperule. Obs. The leaves of Frullania stand on a very small base, rarely half- embracing the stem, and are almost exactly transverse, their actual insertion being on the intersection of a nearly horizontal plane—trending slightly upwards in front—with the stem, placed vertically. There is no decurrence (or rather incurrence, from the fold upwards) of both lobe and lobule, which is an almost constant feature in Lejewnea. The postical lobule, folded in on the incubous lobe, and the auricle of the semicordate base which exists in most of the species, are quite free from the stem. The lobule in a good many of the species is nearly always bifid, having between the “lobule” (usually so-called, which is normally galeate, or saccate, and sufficiently large and conspicuous) and the stem a small plane process (interlobule or “stylus”) of a subulate or triangular form.t * Pedicellus vix unquam e perianthii apice, sed e carina (postica lateralive) infra apicem hiante emergens. Usque fere ad maturationem fructus com- pletam capsula cum suo pedicello (adhuc brevissimo) formam obovato-obconi- cam monstrat, paulo serius turbinatam pyriformemve ; capsula autem exserta et dehiscente, pedicellus evenit cylindricus, apice in capsulam globosam dilatatus ‘ibidemque facie supera (sive capsule basi interna) concayulus, ambitu quadratus, lateribus suis basin valvularum propriam sistentibus. + I have sometimes, in accordance with the phraseology hitherto in use, spoken of the antical (or- major) lobe as the ‘‘ leaf,” but the minor lobe I always call ‘‘the lobule” and not ‘‘the auricle,” as usually in ‘‘Syn. Hep.” The latter term is needed for the ear-like dilatation at the antical base of a semicordate leaf, or at both basal angles of the cordate leaf that exists ina few species, chiefly of the subgenus Meteoriopsis. FRULLANIA. 5 The curious foliaceous disks, orbicular, obovate, or reniform in outline, found attached to the basal margin, or to the underside of the lobule, or sometimes of the underleaves of certain Frullanie Chonanthelie, are perhaps to be regarded as propagula, for they quite resemble the marginal propagula occasionally produced (but without any order) on the leaves of many other Frullaniw and Lejewnee, and they certainly sometimes fall away and develop into separate plants. The leaf subtending a branch has the ordinary form and position, as to the antical lobe, but the postical lobule is larger, nearly always evolute, and more equally bifid, the segment next the stem being as large as that next the lobe—in Fr. replicata indeed much broader and rounder. In some species the segments are separate from each other and from the lobe down to the very base ; but the branch is always exactly axillary to them, touching the internal base of both lobe and lobelets at its origin : a character which affords one of the best distinctions from Lejeunea, whose branches are uniformly contiguous to the external base of the leaf. Underleaves, or stipules, are constantly i ipa while in a few species of Lejeunea they are altogether absent. They are almost always broad, and at the apex bifid, very rarely entire. Radicles are produced, where needed, from the hilum at the middle base of the underleaf, as in other hepatics ; they are usually short, dark-coloured, and stellately spreading, but are rarely seen except in species of prostrate habit. The female flowers are mostly acrogenous, but in some species the abbreviated branches bear only involucral leaves, or bracts, and the perianth with its included organs, so that the inflorescence must be con- sidered cladogenous. After reiterated examination I have come to the conclusion that no true subfloral innovation exists in any Prullania. The branches that occasionally arise a little below a flower that terminates a stem or branch, are ordinary branches, that would have occupied the same position had the axis from which they spring been prolonged indefinitely instead of determining with the apical flower. Two Andine species, Fr. flecicaulis, n. sp., and Fr. Sabanetica, G., are notable for such apparently-innovated stems, but in all other Frullane known to me they are of only accidental occurrence. The pistillidia vary in number from 2 to 4. It is doubtful if they are strictly limited to only two in any species, for wherever I have been able to examine a great many young flowers I have almost always succeeded in finding a few, at least, with 4 pistillidia. In the subgenus Meteoriopsis the flowers seem normally tetragynous. The calyptra is fleshy, as much as 6 or 8 cells thick below the middle. I know of but one species, Fr. leytomitra, mihi, where it is nowhere more than two cells thick. In conformity with the usage of preceding authors who have treated of the Jubulew, I have described the capsule as cloven into 4 valves, down only to a certain distance (about 4 of the semicircumference), but entire at the broad pale fleshy base. It seems, however, more correct to regard this entire portion as the dilated apex of the pedicel, analogous to the apophysis of some mosses, by which name we may be allowed to designate it. The pedicel of the Frullanie is very constantly 8 or 9 cells in diameter and 32 cells in circumference throughout its cylindrical portion, but the degree of dilatation of the apex varies in different species, being 16 or more cells across (on a horizontal tangent to the 6 FRULLANIA. concave upper surface of the pedicel, ¢.c., the inner base of the capsule). The apophysis has therefore the form of a shallow cup, only 2 or 3 cells in thickness where it joins the true base of the valves, but increasing to 6 or 7 cells thick where it coalesces with the cylindrical stalk. The pedicel consists of pale thin-walled cells, which are 6-sided prisms, at first no longer than broad, but stretching out to two or three times the length on the emission of the capsule ; and they are alternate, so that in drying their ends do not form transverse articulations, as do the collateral and contiguous ends of the opposite cells in the pedicel of Lejeunea. The cells of the apophysis are conformable to those of the rest of the pedicel, but undergo no elongation. The inner face of the capsule is covered with an opaque reddish-brown cell-stratum, very uneven on its surface (papillose, and, as it were, spongy), reaching to the base of the true valves, and ending downwards in a slightly arched line (convex toward the axis of the pedicel), so that the four lines, meeting at their angles, form a square, which is the upper limit of the apophysis. laters and spores are developed in the capsule only so far down as this discoloured spongy surface extends. They do not grow out of it but are differentiated from the (apparently) homo- geneous cells which in an earlier stage fill up the capsule, as in other hepatice ; only, in the Jubulew the arrangement of the elaters and spores is on nearly vertical lines, whereas in most other Jungermaniacee it is on horizontal, or transverse lines. As the elaters are set symmetrically on the valves, from the apex down to at least midway of the capsule, and in the still unruptured capsule all trend downwards and converge on the apophysis—indeed are slightly adnate to it by their dilated truncate extremity—it is plain they must be of various lengths, those inserted nearest the apex, and therefore lying nearest the axis of the capsule, being much the longest. The contained spiral fibre in each elater increases in size and tension until it has gained sufficient force to overcome the adhesion of the valves to each other, when the capsule bursts open, the spores are partly ejected, and the elaters, set free below, but still attached to the valves by their upper and narrower end, spring upwards and project beyond the apex of the capsule in the form of little brushes, one on each valve. The structure of the capsule and its contained organs is essentially the same in other Jubulew as in Frullania. In Porella (Madotheca), however, whose capsule has been considered to dehisce in a similar manner, the dis- coloured inner surface, sporiferous throughout, extends downwards to the apex of the pedicel, which is either not at all or only slightly dilated ; but the 4 valves are rarely separated down to their base, sometimes indeed only halfway, and each valve is itself usually irregularly cloven (2-3-fid). This partial adhesion of the valves after maturity is seen occasionally in other genera. In Scalia andina, n. sp., the long, slender capsule is often truly follicular, bursting along one side only, and not quite to the apex ; but the sutures of the 4 valves are plainly traceable, and are sometimes here and there slightly gaping. The special characters of the subgenera and species of Frullania, as well as their aspect, habits, and geographical distribution, will be dis- cussed in their place. Although the central and typical species of each subgenus, taken alone, might seem suttliciently distinct to justify our raising the latter to the rank of genera, the outlying species of one group FRULLANIA. 7 merge into those of the next so that no limit is assignable, and (in my judgment) it is best to preserve the genus Frullania entire, excluding only Jubula, which is truly swi generis.* CLAVIS SUBGENERUM. A. Perianthiwm in sectione 4-gonum, ie., postice bicarinatum, interdum, e carinulis interjectis, pluricarmmatum. 1. CHoNANTHELIA.—Caulis vage pinnatim ramosus. Foliorum lobulus grandis, plerumque apice solum cucullatus (galeatus vel probosci- formis), inferne planus, longe lingulatus. B. Perianthium in sectione 3-gonum, carina postica unica (raro gemina). a. Perianthium tuberculis villis squamulisve asperum, 2. TRACHYCOLEA.—Caulis vage pinnatus. Lobulus alte galeatus, basi truncatus. b. Perianthiwm glabrum, sepe nitidum. 3. HomotropanrHa.—Caulis pinnatim decompositus. Lobulus minutus, concheformis vel saccatus, plerumque retroversus. Flores monoici, creberrimi, ramulis brevissimis seriatim secundis constantes, Perianthium suberostre. 4, Mrrroriopsis.—Caulis longissimus, pro more pendulus, pinnatus vel bipinnatus, apice indefinite crescens. Folia profunde cordata, cauli circumvoluta; lobulus erectus parvus tenui-cylindricus. Foliola angustiuscula, margine plano, Flores dioici, 2 cladogeni. Peri- anthium longirostre. 5. THyopsieELLA.—Caulis ad Thuje instar concinne pinnatim ramosus, apice determinatus. Folia basi semicordata, lobulo cauli approxi- mato, sepius erecto, saccato, cylindraceo. Foliola ovali-rotunda, toto margine recurvo. Flores constanter dioici, in plurimis acro- geni. Perianthium rostellatum 3- (rarissime pluri-) carinatum, in paucis speciebus perfecte teres. 6. DrastaLopa.—Plante pusilla, caule pinnato vel bipinnato, ramulis seepe microphyllis. Folia basi plerumque rotundata, vix semi- cordata, lobulo brevi saccato, a caule remoto, semper fere obliquo. Foliola subplana. Flores acrogeni, plerumque monoici. Peri- anthium rostellatum, interdum obcordatum, rarius pluricarinatum. * See, for much valuable information on the structure of the capsule, measurement of spores, &c., of the Jubulee, J. B. Jack’s Review of Dumortier’s ‘‘ Hepaticee Europe,” in the Botanische Zeitung for 1877. 8 FRULLANIA. [cHONANTHELIA Suscenus IL—CHONANTHELIA, S. Plante elate humilioresve, molles, sepe flaccide, e viridi flavide fusciduleve, raro rubescentes, rarissime totee rufee, vage vel ineequa- liter pinnatim ramosz, prostrate, raro subceespitose vel stratificate, humiliores interdum plagas cireumscriptas vel pulvinulos efficientes. Folia sat magna (‘75-2:1™™" longa, latitudine vix minore) sepe ovato- rotunda obtusissima, raro acuta subacuminatave rarissime apice subserrata, plus minus concava; lobulus magnus cauli sepius parallelus et subcontiguus, in plurimis apice solo galeatus—galea in aliis speceibus compresso-subplana-concavave, in aliis pluribus juxta orificium compressa, vertice arcuato autem tubuloso-inflata, quasi- uncinata, margineque externo ad speciem in rostrum proboscemve prominula—inferne explanatus sublingueformis basique interdum dentatus ; in paucis humilioribus totus galeatus, ore truncatus ; in omnibus fere quandoque evolutus. Cellule sepius parvule (diam. so-s5™™) pachydermes.—Folia alteri caulis lateri adnata—illa sc. quibus foliola collateralia sunt—stylo parvo subulato, inter caulem et lobulum posito, seepe aucta. Stylus hic, foliis caulinis interdum obsoletus, involucralibus (s. bracteis) tanquam lobulus tertius minor, semper fere adest. Foliola sepe maxima, foliis vix minora, orbiculata, v. latiora quam longa, in elatioribus profunde cordata, in pusillis subminora plerumque angustiora, in omnibus fere breviter emarginato-bifida, in speciebus duabus interdum integra, in unica ad 3 bifida. Flores dioici vel monoici (autoici—raro paroici). FI. 9 terminales (in unica specie quasi-laterales) spe magni conspicui. Bractez (saltem intime) cum bracteola in excipulum obpyramidatum szpius alte connate, apicibus liberis patulis decurvisve szepe laciniatis, ciliatis, dentatisve, raro integerrimis, laciniis 1-3 utrinque inter bracteas et bracteolam interdum interjectis. Pistillidia bina. Perianthia primum tetragona, 7.e. postice bicarinata, immersa emersave; aliarum specierum (elatiorum preecipue), plicis carinisve inter angulos primarios intercalatis,, subequaliter 10-12-plicata; pusillarum sepius tetraquetra, vel 5—6-(rarissime 10-) carinata. Calyptra plerumque valida incrassata. Capsula globosa. Amenta ¢ folium axillare raro superantia globosa oblongave ; bractez majuscule 2-4-juge, rarissime ad 10-juge, arcte equitantes di- (raro tri-) andre ; in florescentiis paroicis hypogyne 2-3-juge. Hab. Ad arborum ramulos, rarius in cortice, interdum ad saxa, vel etiam in ipsa terra inter fruticulorum radices; pauce planitiei incole, vix unquam ab hominum habitationibus remote; pleraque monticole sunt, ad arbores domesticas, pomiferas precipue, ad frutices in sepibus et in sylvis juxta semitas, necnon secus rivulorum ripas ubi pecora pascuntur, vigentes. Distr. Omnes species inter tropicos, raro etiam in zona temperata australi, crescunt, nulla (quantum scio) zone temperate borealis incola. Ipse in America equatoriali 21 species legi, earumque 6 (Fr. gibbosa, N., Rigjanetrensis, Raddi, tenera, 8., leptomitra, S., arietina, T., Orinocensis, CHONANTHELLA | FRULLANIA, 9 8.) solum in planitie, vel in Andium racicibus, nusquam supra 600™ alt.; caeteras omnes in Andibus sylvaticis, inter 1400 et 3500™ alt. E speciebus prius descriptis quatuor, sc. Mr. hians, Arece, gibba, et arietina, per Americam tropicam australioremque, a Mexico ad Brasiliz et Chili confinia usque late diffuse ; aliz nostree, hic primum descripte, postea forsan in terris etiam distantibus detectze fuerint. Ex Asia tropica et Africa australi species perpaucas cognovimus. Obs. The most important character of this group is to have the perianth normally 4-angled on the section, there being two postical keels in addition to the two lateral ones ; whereas in all the succeeding groups it is normally trigonous, with only a single postical keel. The transverse section is not square, but trapezoidal, the antical face being parallel to, but wider than, the postical, while the two lateral faces are oblique. All the faces are often depressed or concave, and in several of the larger species supplementary keels, or folds, obscure the primarily prismatic form, and render the perianth regularly 10- or 12-plicate. In a few other species the antical and postical faces (especially) are occasionally traversed by slight ridges for part of their length, so that the perianth becomes pluriplicate, but unequally, the four primary keels being always much more pronounced than the intercalated ones. A more obvious feature resides in the large, and often polyphyllous, AInvolucres, of which the innermost bracts (at the least) are connate for a good height up with the intervening bracteole into a wide-mouthed obpyramidal vase, while their free apices are often deeply slashed, or ciliate, or toothed. We have no British species of this group, and only Fr. dilatata ap- proaches the smaller species by the galeate subhemispherical lobule, but by its trigonous scabrous perianth it really belongs to the following group (Trachycolea). The Chonantheliz are usually much larger than Fr. dilatata, from 1 to 4 inches long, sometimes as much as 6 or 8 inches, of a yellowish-green colour, rarely brownish, flaccid, vaguely branched, or, if pinnate, then with unequal branches, mostly short. They are usually prostrate, rarely stratified, but sometimes in pendulous tufts. The smaller species form circumscribed patches on the bark of trees, or cushions on the twigs. Leaves large, imbricated, usually roundish-ovate and very obtuse,—scarcely ever acute or toothed ; the large broad lobule, at the fold subcontiguous and parallel to the stem, is usually explanate in its lower half, and in a few species more or less cut or crispato-sinuate, but the upper portion is mostly galeate-semiglobose, but compressed, and sometimes almost complanate towards the orifice, at the arch turgid and subcylindrical, so as to resemble a curved horn or beak (whence, I suppose, Taylor’s name for one of the species, Fr. arietina). In a few of the smaller species the whole of the lobule is involved into a hemis- pherical reversed sac with a truncate mouth, without any explanate lower portion (or “appendiculus” as it is called in “Syn. Hep.”) In nearly every species the lobule is occasionally unrolled into an ovate- lanceolate lamina, or is merely hooded at the apex. The underleayes are often large—scarcely smaller than the leaves, broadly orbicular, and so deeply cordate at the base that the round auricles sometimes overlap each other ; bidentate or very shortly bifid at the apex—in a single species cloven to the middle,—in two other species occasionally quite entire. They are flatter than in most other I’rullanie, TRANS. BOT. SOO, EDIN. VOL. XV. B 10 FRULLANIA. [cHONANTHELIA and although sometimes beautifully crispate have not the strongly recurved or revolute margins of the Thyopsielle. The inflorescence is monoicous (autoicous, rarely paroicous) in a large proportion of the species, and dioicous in the rest. ‘ ; I gathered in equatorial America 21 species of Frullania Chonanthelia. Only a few of them (about 6) are found in the plains and lower hills, and these I have never seen except near human habitations, or in cultivated ground, chiefly on fruit trees and palms, rarely on stones. At Para, near the mouth of the Amazon ; at San Carlos del Rio Negro, and at the cataracts of the Orinoco nearly midway across the continent ; at Tarapoto, Chapaja, &c., in the eastern roots of the Andes ; their custom is still the same—to grow on Crescentia Cujete, Erythroxylon Coca, Guiliel- mia speciosa, and other domesticated trees, but never in the woods. They are nowhere abundant and rarely ascend to 600 metres above the sea. Two of them, at least, Fr. gibbosa and Fr. arietina, are widely dis- tributed in tropical America, from Mexico and the Antilles to South Brazil and Chili, but have everywhere the character of weeds. ‘The larger and handsomer species are all montane or subalpine, as are also a few of the smaller ones, and occupy a zone on the slopes of the Andes between 1200 and 3500 metres, but do not reach the upper limit of the wooded region. Even these seem to cling to the traces of man and the domesticated animals, and prefer to grow on trees that border open grassy places where cattle graze in the hill-forests, or in large natural pastures on scattered trees frequented by cattle for their shade ; on bushes in hedgerows and at the fords of streams ; and by waysides in woods—sometimes partly on the ground among low shrubs (Vaccinia, &c.), Madothecas and other tall hepaticee, and mosses. One of the finest species is Fr. hians, L. et L., conspicuous for its large spreading deeply-cut involucres and 10-12-plicate perianth. The néw species I have called blepharozia, ringens, spherocephala, and Campanensis are also remarkable plants, all agreeing with Fr. hians in the 10-12-plicate perianths but differing from it in the dioicous inflorescence, and among themselves chiefly in the involucres. The large inflated bracts of Fr. spherocephala are closely imbricated into a globose head, such as is not seen in any other Frullania. Fr. blepharozia is almost unique in the whole group in having the stem-leaves apiculate and sometimes serrulate at the point, while the bracts are beautifully ciliate. I found three of these species only on the western side of the cordillera (Chimborazo, Azuay, and the intervening valleys), but F’r. hians mainly on the eastern side. The latteris, however, widely distributed in tropical America—Mexico, West Indies, Caracas, New Granada, Ecuador, Bolivia, then passing eastward through the mountainous part of South Brazil to the very coast; but from the Amazonian plain it is quite absent; nor did I gather it in the Peruvian Andes, where, indeed, I barely ascended above the lower limit of its range (1400™) near the equator, Specimens gathered by G. A. Lindberg in the province of Sad Paulo quite agree with my own from the Andes. The species reappears in the Malay Archipelago (Java, &c.) as a variety with much crisped stipules, apparently quite the same as one I gathered on the upper Pastasa. Fr. Arece, Spreng. (=Fr. Ecklonii, G. L. et N. Syn. Hep. 413, nec Spreng.), grows in the same situations as Fr. hians, and like it has monoicous inflorescence, but the bracts are less conspicuous, and are only slightly toothed at the decurvo-cucullate apex, The true fr, Ecklonii, Spreng. (=Fr. Mundiana, L. et G. Syn. Hep. 772) is its CHONANTHELIA | FRULLANIA. 11 South African congener, and differs only slightly from it. Very few species of Chonantheliz are known to exist in Asia and Africa ; in strong contrast with their abundance in tropical America. One of the smaller mountain species, Fr. semiconnata, L. et L., may almost be considered a weed in the Quitenian Andes, for it prefers to grow in orchards, and especially on apple-trees, in lax tufts, along with Orthotricha and other mosses, in the uppermost cultivated region. A small form grows on old trees of Buddleia, &c., in groves frequented by cattle and sheep, up to 11,000 E. feet. I. Crapocarpica.—Rami brevissimi, bracteas solas (folia normalia nulla) gerentes. 1. Fr. brachyclada,—Elata laxe subbipinnata dioica. F. laxe imbricata cordato-orbiculato-ovata rotundata; lobulus vix 2plo brevior ob- longus apice galeatus, basi explanata lobum parum transiens. Foliola foliis } breviora cordato-orbiculata breviter bifidula, segmentis suba- cuminatis. Br. 4~5-juge acuminate subinciso-dentate ; bracteola utrinque alte connata perangusta ad $ bifida sublaciniata. II. Acrocarrica.—Rami 9? breves longioresve apice solo floriferi. A. Folia lobulo elongato, dimidio supero galeato cucullatove, infero expla- nato. Foliola sepius magna—interdum maxima—basi pro more cordata. a, Perianthia 10-12-plicata, sepe immersa. * Flores diovct. 2. Fr. megalostipa.—Elata flaccida pinnata, pinnis perbrevibus. F. con- ferta cordato-orbiculato-oblonga; lobulus magnus ligulatus apice galeatus, inferne in laminam basi rotundatam ultra lobum longe protractus ; cellule mediocres. Foliola foliis paulo minora oblato- cordato-orbiculata emarginata, dentibus acuminulatis, auriculis baseos maximis late imbricantibus (Pl. ¢ sola). 3. Fr. Campanensis.—Elata dissite pinnata. F. imbricata semicordato- ovato-rotunda, margine plicam versus sinuato-crispa interdumque subincisa ; lobulus plus duplo brevior angustus semioblongus infra galeam margine sinuato-incisus basi acuminatus lobum transiens. Foliola duplo breviora, preelata, cordato-reniformia integra, raro brevissime bidentula, auriculis baseos dissitis. Br. 3—-4-juge alte connate apice decurve, intime foliis multo longiores, lobis omnibus acuminatis, anticis spinoso-ciliatis, posticis bracteolaque longilacini- atis. Perianthia anguste ovato-oblonga, prope basin excepta, tota longitudine 12-plicata. 4, Fr. spherocephala.—Elata laxe pinnata. F. subdissita semicordato- oblongo-rotunda; lobulus angustus apice galeatus; c. parve. Foliola 4 minora orbiculata brevissime acute emarginata, basi profunde cordata, auriculis subcontiguis. Involucra maxima subglobosa ; br. 3-juge arcte imbricate paleaceze concave, intime alte connate, lobis acuminatis subdentatis, lobulis bracteoleque segmentis acuminatis incisis, lacinulis 1-3 inter bracteas et bracteolam utrinque seepe inter- positis. Per. obovato-pyriformia supra medium 10—12-plicata. 5. Fr. ringens.—Elata cuprea vel rufescens vage divisa, dein laxe pinnata. F. subcontigua late semicordato-ovato-orbiculata apice subcucullato obtusata, lobulus duplo brevior infra apicem galeatum in laminam rectangulari-oblongam basi 2-3-dentatam deorsum longe productus; FRULLANIA. [cHONANTHELIA ce. subparve. Foliola paulo minora cordato-ovato-orbiculata breviter emarginata, dentibus acutis, auriculis baseos magnis imbricatis. Br. 3-4-juge distantes decurvo-secunde, intime alte connate, lobis subacuminatis argute spinoso-dentatis, lobulis bracteoleque segmentis tenuiacuminatis integerrimis, laciniis 3 tamen utrinque inter bracteas et bracteolam interpositis. Per. bracteis equilonga subovato-oblonga tota longitudine 10—12-plicata. 6. Fr. blepharozxia.—Humilior, grandifolia tamen, laxe bipinnata. Folia imbricata semicordato-ovato-oblonga apice decurvo sepius acuta apiculatave; lobulus duplo brevior oblongus, basi 2-3-spinosus lobum paulo transiens. Foliola vix duplo breviora ovato-rotunda emarginato-bidentula, apicemque versus plerumque utrinque 2-3- denticulata, basi subcordata. Br. 5~-7-jugee, intime foliis plus duplo longiores cum bracteola alte connatz, lobis omnibus acumi- natis longiciliatis, laciniisque pluribus longis utrinque interjectis. Per. ovato-cylindrica, subfusiformia, 12-plicata. ** Flores monoict. 7. Fr. hians.—Elata mollis bipinnata, ramis seepe elongatis. F. imbri- cata cordato-ovato-rotunda apice subcucullata; lobulus haud duplo brevior lingueeformis apice uncinato-galeatus basi in laminam cris- pam basi 2-3-cuspidatam longe productus. Foliola 4 breviora cordato-orbiculata-reniformiave crispata brevissime emarginata, den- tibus acuminatis, auriculis baseos subcontiguis. Br. plurijuge maxime fere stellato-patule, intime in excipulum alte connate, lobis planis acuminatis longilaciniatis, lobulis necnon bracteole segmentis in lacinias plures longas tenuiacuminatas margine re- volutas ciliatasque fissis. Per. rectangulari-oblonga compressula 12-plicata. 8. Fr. Arece.—Elongata flaccida subbipinnata, pinnis brevibus. F. im- bricata cordato-ovato-rotunda apice decurva; lobulus vix dimidio brevior apice galeatus subplano-compressus, inferne ligulatus basi triangulari-acuminata lobum paulo transiens. Foliola 3 breviora cordato-orbiculata, ad + emarginata, apicibus subacutis, auriculis baseos majusculis imbricatulis vel recurvis. Br. 4—5-jugee decurve, intime foliis vix duplo longiores prealte connate, lobis eymbiformi- concavis cuspidatis apice pauciserratis, lobulis inequaliter bifidis, segmentis (idem ac bracteolz bifida) caudato-acuminatis, margine recurvo integerrimis, raro lacinula una alterave interjecta. Per. cylindracea subcompressa 10-—12-plicata. b. Per. 4(-5)-angula, faciebus levibus vel (antica precipue) carinulatis. Flores omnium monoici. 9. Fr. viminicola,—Robusta, humilis tamen, laxe bipinnata, ramis elon- gatis. F. subimbricata divergentia cordato-oblonga rotundata; lobulus subduplo brevior angustus apice galeatus (vix uncinatus) inferne subplanus ligulato-oblongus, basi rotundata lobum vix transiens, Foliola superiora magna, foliis subbreviora, cordato-orbiculata, breviter (ad 3-4 alt.) emarginata, dentibus acutis, auriculis baseos majusculis. Fl. 9 in ipso caule ramisque terminales; br. 3-4-jugee laxze, intime ultra 4 alt. connatee, lobis cucullato-concavis apiculatis denticulatis, lobulorum bitidorum bracteoleque segmentis lineari- lanceolatis, subulato-acuminatis recurvis, margine revoluto (laciniis. CHONANTHELIA | FRULLANIA. 13 interjectis nullis). Per. subemersa obovato-oblonga tetraquetra, facie antica 1-3-carinulata. Var? bicolor. A typo differt fl. dioicis (?) foliis confertissimis apice lato recurvulis, lobulo apice distincte uncinato ; foliolis arcte imbricatis cordato-reniformibus. 10. Fr. gibbosa.—Humilis laxe pinnatim ramosa. F. imbricata squarroso- patentia late cordato-ovata rotundata, margine supero recurvulo, complicata, plica devexa seepius diagonali; lobulus magnus, inter- dum totus fere galeato-saccatus, pro more autem cucullatus vel omnino evolutus, basi nunquam ultra lobum protractus. Foliola foliis perpaulo minora cordato-reniformia sinuato-repanda vel paucidenticulata, emarginato-bidentata. Flores autoici, 2 ramo brevi longioreve insidentes. Br. 3-jugze, intimze foliis paulo majores subeequilob, lobis rotundatis, lobulis obtusis interdum extus unilaciniatis ; bracteola utrinque alte connata bifida, segmentis semilanceolatis. Per. oblonga retuso-truncata rostellata 4-carinata, carinis rugulosis, lateralibus devexis.—Var. (?) densissima, robustior, magis regulariter subbipinnata, floresc. paroica, sc. raiulis floriferis brevissimis, basi ¢, apice 2 ; bractearum lobulis subacutis ; per. apice subsensim in rostellum attenuatis. ll. Fr. Riojaneirensis.—Majuscula flaccida inequaliter bipinnata. F. conferta profunde cordato-orbiculata apice decurva ; lobulus haud duplo brevior apice alte uncinato-galeatus, inferne oblongus rotun- datus cum lobo subconterminus. Foliola foliis paulo breviora cordato-reniformia brevissime emarginata, interdum integra, auri- culis baseos majusculis. Fl. 9 ramo sepius brevi terminales ; br. plurijuge patule, intime foliis $ longiores, lobis abrupte apiculatis, lobuls integris bifidisve, bracteoleque utrinque alte connate bifida segmentis subacuminatis integerrimis vel sublacinatis. Per. anguste oblonga alte 4-carinata, antice seepe 1—2-carinulata. 12. Fr. tenera.—Elongata pinnatim decomposita tenella. _F. imbricata subplana semicordato-oblonga vel fere orbiculata ; lobulus magnus apice uncinato-cucullatus (vix unquam evolutus), appendiculo latiore basi rotundata lobum longe transeunte. Foliola dimidio folio majora late orbiculata ad vel ultra 4 bifida, segmentis patulis acutis, basi breviter cordata. Fl. autoici: 2 bracteze 3-4-juge, intime foliis subeequales in excipulum ore dilatatum alte connate, inte- gerrime, lobis abrupte subacutis, lobulis subminoribus externe spina auctis bracteoleque segmentis acutis margine recurvis. Per. alte emersa anguste oblonga rotundato-truncata brevirostria alte 4-carinata, facie antica 2-carinulata. Calyptra basin versus 6 c. crassa, 13. Fr. leptomitra.—Pusilla elongata vage ramosa. fF. subimbricata subsemicordato-oblonga, inferiora obtusata integerrima, superiora acuminulata apice serrata ; lobulus plerumque evolutus, raro apice uncinato-galeatus, basi lobum longe excedens. Foliola vix duplo breviora orbiculata, superiora cuneato-ovalia, apice ad }-j alt. bidentata, dentibus acutis. Fl. autoict. Br. 2 plurijugee decurvo- secunde, intime foliis vix duplo longiores breviuscule connate, lobis omnibus acuminatis spinoso-serratis, processu interbracteolari utrinque interposito; br. exteriores (5-6-juge) lobis lobulisque acuminatis apice serratis. Per. emersa ovato-linearia alte obtuse plicato-5-gona. Calyptra tenuis, cellulam unicam, solum basin versus 2 cell., crassa. 14 FRULLANIA. [ cHONANTHELIA 14. Fr. arietina.—Pusilla subpinnatim ramosa. F. subimbricata oblongo- ovatove-rotunda, subsemicordata, apice rotundata ; lobulus haud duplo brevior apice insigniter uncinato-galeatus, infra galeam angustior subrhombeus, basi lobo subconterminus, haud raro totus evolutus. Foliola vix duplo breviora orbiculata ad }-{ emarginata, dentibus acutis, basi parum cordata. fl. paroici, ¢ hypogyni. Br. 2-3-juge, intime foliis sat longiores alte connate, apice serrate, lobis apiculatis, lobulis (interdum bifidis) bracteoleeque segmentis acuminulatis. Per. subemersa oblonga tetraquetra, facie antica 2-3-carinulata (in vars., carinulis utrique faciei adjectis, interdum 8-10 carinata). Calyptra infra medium 4-6 cell. crassa. 15. F'r. laxiflora.—Humilis laxe pinnata, pinnis brevibus subramulosis. F. subcontigua late cordato-ovata obtusa; lobulus duplo brevior apice alte galeatus, inferne oblongus canaliculatus lobo conterminus. Foliola haud duplo breviora ovato-orbiculata ad 4 obtuse bifida, dentibus subacutis. Br. 2-jugze dissite, profunde bilobz, lobis acuminatis, supra basin posticam lacinia aucte ; bracteola basi sola connata, angusta, bifida, laciniis subulato-acuminatis seepissime integerrimis. Per. vix emersa late ovali-fusiformia alte tetraquetra. B. Foliorum lobulus brevior, totus galeatus (compresso-semiglobosus) bast truncatus. Foliola mediocria, raro cordata. Per. tetraquetra, raro pluriplicata. a. Foliola breviter emarginato-bifida. * Flores monoict. 16. Fr. semiconnata.—Humilis vage subbipinnata. F. imbricata semi- cordata rotundo-oblonga vel fere orbiculata insigniter concava ; lobulus plus duplo brevior late obovato-semiglobosus, ore truncato. Foliola $ breviora obovato-orbiculata brevi-emarginata, dentibus acutis. Br. 2-3-jugz, intime foliis haud duplo longiores alte connate, lobis obtusis apiculatisve. lobulis bracteoleque segmentis acuminatis juxta basin sepe sublacinulatis. Per. preelonga rectangu- lari-oblonga tetraquetra. 17. Fr. subalpina.—Pusilla vage subramosa. F. superne increscentia subimbricata caviuscula late ovata retundata ; lobulus plus duplo brevior subsemiglobosus, ore truncato. Foliola duplo breviora obovato-cuneata emarginata. Br. 3-jugee, intime foliis fere duplo longiores, (altera earum sola cum bracteola oblonga emarginata basi connata) integerrime fere equilobe, lobis anticis rotundatis posticis subacutis. Per. emersa pyriformia retusa 10-plicata. ** Flores dioict. 18. Fr. stenostipa.—Pusilla subramosa, Fr. semiconnate similis, differt florescentia ; foliis minoribus, lobulis sepius cucullatis ore haud truncatis sed in laminam brevem deorsum protractis; foliolis duplo angustioribus, ligulato-oblongis; perianthiis pyriformibus 5-carinatis. 19. Fr. flammea.—Pusilla tenera ineequaliter pinnata. F. subimbricata late cordato-ovato-triangularia obtusa; lobulus majusculus galeatus cucullatusve, obliquus, ore truncato. Foliola parva late ovali- cuneata breviter acute bifida. Br. 1-2-juge foliis submajores subinzequilobe, lobis acutis obtusisve. CHONANTHELIA | FRULLANIA. 15 20. Fr. decidua.—Elongata subsimplex tenera ex parte denudata. F. subcontigua late cordato-ovata rotundata ; lobulus parvus galeatus suberectus, ore obliquo postice in dentem protracto. Foliola plus duplo breviora ovali-rotunda acute emarginata. b. Foliola ad 4 usque bifida. 21. Fr. Orinocensis.—Pusilla, laxe subramosa. F. subimbricata semi- cordato-ovata rotundata ; lobulus 4plo brevior, szepius evolutus, raro cucullatus. Foliola plus 8plo breviora cuneato-oblonga ad medium bifida, segmentis lanceolatis acutis. Br. 4-jugee secunde, intime foliis sublongiores, lobis obtusis, lobulis eequilongis acutis basi lacinula auctis; bracteola ligulata vix ad 4 acute bifida. Per. subemersa oblongo-globosa postice bicarinata, carinis omnibus subrugulosis. 1. FRULLANIA BRACHYCLADA, Spruce. Hab. M. Tunguragua, in arboribus, necnon in ipsa terra umbrosa. F 1°7x 1°55, lobul 95x 45, ¢ fy 5 f'* 1:15 x«1:2,1-0x 11; br. 21x 1°25; BPA SK SEO. Elata stratificata e pallide viridi rnfescens ; caules 6-pollicares nigricantes laxe pinnati bipinnatique ; ramis seepe ab breviotis et ?. Folia laxe imbricata patula decurvula cordato-rotundo-ovata, obtusata v. seepius rotundata repandula ; lobulus 2plo fere brevior, cauli sub- contiguus subparallelusque v. basi subimbricans, oblongus apice galeato-saccatus, inferne in laminam longiorem, basi sinuato- repandam lobum perpaulo excedentem protractus margine recurvulus; cellule parvule aquilaterze subpellucide. Foliola dimidio breviora, cordato-orbiculata, subplana v. undulata, apice breviter bifidula, segmentis patulis subacuminatis. Fl. dioici: @ quasi-laterales, ramulis brevissimis e caule ramisve oriundis constantes ; bracteze 4—5-jugze laxiuscule imbricate patulo- decurvul, intimz foliis paulo longiores parce inciso-dentatz lacinulatreve, ad medium complicato-bilobe, lobo suboblique ovato- lanceolato acuminato, lobulo vix breviore multo angustiore, basi triangulari, apice caudato-acuminato, margine valide recurvo ; bracteola utrinque cum bracteis plus minus alte connata, brevior, perangusta, ligulata, ad medium bifida, margine recurvo sub- laciniata. Fr. megalostipa, S., huic sat, similis, folia habet conferta, potius late oblonga quam ovata dicenda, lobulo multo longiore basi folium longe transeunte ; foliola magna multo latiora quam longa, awriculis basalibus maximis sese late imbricantibus; itaque pro specie distincta certe habenda. Involucra etc. non licet comparare, quum Fr. brachyclade flores 2 solos, F’r. megalostipe flores ¢ solos, tenemus. 2. FRULLANIA MEGALOSTIPA, Spruce. Hab. Andes Quitenses, fl. Pastasa ripis, loco Antombos, in fruticum ramis cum Fr. Brasilienst. Pl, ¢ sola aderat. F 18x16, lob 13x ‘6 (apice) x 85 (basi), ¢ Jy ; f* 1:35x1°6, 1:25x 1-4mm, 16 FRULLANIA. [cHONANTHELIA Elata rufo-badia flaccida prostrata. Caules 3-6-pollicares flexuosi pinnati ; pinne perbreves (2-3™™ long) inferiores sepe mascule. Folia arcte imbricata horizontalia, apice decurva, cordato-orbiculato- oblonga, basi brevissima laterali, fere transversa, inserta, caulem antice late transeuntia ; lobulus dimidio brevior 2—83plo angustior, subligulatus, apice in galeam compressam rostratam, ore obliquo sinuato-crispulam, involutus, infra galeam sinuato-constrictus, deinde in laminam longiorem basin rotundatam versus sensim dilatatam, margine repando, ultra folii marginem longe protractus ; cellule mediocres subconformes eequilaterz subpellucide, pariete ad angulos incrassato. Foliola foliis fere sequilata, breviora tamen, oblato-cordato-orbiculata, subplana, parum crispula, apice emarginata, sinu late triangulari, dentibus acuminulatis incurvis, auriculis baseos maximis cetero folio fere eequialtis, orbiculatis, late imbricantibus integerrimis, hilo radicellarum brevium medio tergo posito. Flores dioici: Q haud visii Amenta ¢ pinna folium caulinum sat excedente constantia, ovato-linearia subcompressa ; bracteze 8-10- juge arcte equitantes obtuse complicato-carinate basi ventricosz, lobis ultra medium connatis concavis, postico subminore acuto ; bracteolz adsunt parvee ovato-oblonge emarginate. A Frullania Arecew florescentia dioica; amentis 2 polyphyllis ; foliorum lobulo basi rotundato ; foliolis sublatioribus basi profundissime cordatis, certe distat. 3. FRULLANIA CAMPANENSIS, Spruce. Hab. Andes Peruvianos, in monte Campana, ad saxa, alt. 1400™. F. 1:5 x 1°25, lob 6 x ‘25, c Ay; f'* °8x1:13; br 4:0; per 35x 1-]m, Elata, pallide olivaceo-viridis, flaccida prostrata. Caules 4-pollicares flexuosi intricati, basi parce divisi dein distanter pinnati, pinnis brevibus. Folia subimbricata apice decurva oblique semicordato-ovato-rotunda re- panda integerrima vel plicam versus sinuato-crispa obtuseque sub- incisa; lobulus 2}plo brevior semioblongus, apice uncinato-galeatus, inferne subplanus sinuato-incisus basique plus minus acuminato- protractus, cauli parallelus sed non contiguus; cellule parvule equilatersee pachydermes, inferiores sensim submajores. Foliola contigua cordato-reniformia, foliis fere duplo breviora sed parum angustiora, auriculis baseos mediocribus dissitis, margine recurvo subcrispulo repando, apice vel perfecte integra, rotundata retusulaye, vel rarius brevissime bidentula, dentibus obtusis. Flores dioici: @ terminales. Bracteze 3-4-juge laxiuscule, cum sua bracteola intermedia alte connate, apice libero valide decurve, in- time foliis fere 3plo longiores, lobis oblique semicordato-ovatis acuminulatis spinoso-ciliatis; lobulis imo longioribus (interdum bifidis) acuminatis, bracteolaque (bifida vel non) profunde laciniatis. .Bracteole exteriores cordato-orbiculate dentato-spinosee, Alteri bracteze cujusque paris basi et altius adnatus est discus ovatus ovalisve, apice rotundato incisus, bractea 3plo brevior, textura tenuissima. Est quasi disculus f. caulinorum (quibus tamen raro adest) auctus. CHONANTHFLIA | FRULLANIA. 4 Perianthia subimmersa anguste ovato-oblonga, basi tetragona, deinde ad apicem subtruncatum usque 12-plicata. Fr. Riojaneirensis, Raddi, cum nostra convenit foliolis magnis interdum : sake! y ’ : Se integris (multo rarius autem), differt florescentia monoica ; caule duplo breviore ; foliis suborbiculatis, lobulo integerrimo basique rotundato ; . 2 . . , . 5 oe . ad bracteis fere semper integerrimis ; et perianthiis tetraquetris (nec pluri- . . 5 . 3 . . . . . . plicatis).—F. Arece, Spreng., diversa est floribus monoicis ; foliolis majo- ribus semper distincte emarginatis, auriculis baseos magnis ; foliis lobu- lisque integerrimis ; bracteis apice cucullato solo paucidentatis ; &c.— : sil Sak P ; F. ringens, 8., habitu tenuiore, folii lobulo basi 1-3-dentato (cétero . 4) ? . . . ? . . . . margine integerrimo); foliolis ovato-orbicularibus, longioribus quam latis, emarginatis ; bracteis minoribus longe dissitis, laciniis 3 utrinque maha 5 >, Liga 5 Bait ecaces ipnee juxta bracteolam interpositis—F. sphwrocephala, S., foliolis orbiculatis emarginatis profunde cordatis ; bracteis maximis in spheram congestis —) . . ’ . . . o . ? lobo solum dentato ; perianthio solum supra medium pluriplicato, longius distat. 4, FRULLANIA SPHAROCEPHALA, Spruce. (Tas. I.) Hab. Andes Quitenses, in sylvis montis Azuay, alt. 3000", e ramis pendula. F 1:4x1°2, 13x10, lob ‘8, ¢ Ay; f'* 10x10, 8x°8; br 4-5; per 3°5 x 2°0™m, Caules sub 6-pollicares laxe cespitosi pendulique, pinnati, pinnis dis- tantibus breviusculis raro pinnulatis. Folia e viridi fuscidula subdissita, raro parum imbricata, patula apice decurva, oblongo-rotunda, basi semicordata; lobulus vix duplo brevior, cauli subcontiguus parallelusque, angustus, lineari-oblongus galeatus erostratus, deorsum in laminam planam vel subtortam pro- ductus ; cellule parvee subzequales, pariete incrassato, Foliola distantia foliis subdimidio minora orbiculata fere plana, basi profunde cordata, auriculis vix imbricantibus, apice minutissime acute emarginata. Flores dioici: @ pauci, in caule ramisque primariis terminales. Bractez sub 3-juge, foliis abrupte plus 3plo majores, flavide paleaceze ven- tricoso-concavee, apice conniventes, in involucrum globosum arcte imbricate ; intime alte connate, lobis acutis subdentatis, lobulis paulo minoribus bracteolaque segmentis plus minus acuminatis in- cisisque, lacinulis seepe interpositis ; exteriores liberze, plus minus incisze, bracteolis magnis ovatis acuminatis profunde laciniatis, laciniis acuminatis sinubus gibbis. Perianthia immersa obovato-pyriformia subrostellata, basi tetragona, supra medium 10-12-plicata, plicis obtusis corrugatis, ore demum plurifida. Involucris maximis globosis paleaceis et perianthiis pyriformibus supra medium solum pluriplicatis, bene distincta species, 5. FRULLANIA RINGENS, Spruce. Hab. in devexis montis Chimborazo, alt. 1200", ad arborum ramulos, Bl25 x Vs Lled-0> fob 6, 6 os f 10x, “OS: br 27d ; per 2°5 x 1:0™™, Elata pendula subcespitosa rufo-badia vel cuprea. Caules 3~6-polli- TRANS. BOT. SOC. EDIN. VOL. XV. c 18 FRULLANIA. [ cHONANTHELIA cares flexuosi intricati, inferne vage divisi, divisiones elongatz pinnate, pinnis subdistantibus simplicibus vel subpinnulatis. Folia inferiora vix contigua, superiora subimbricata, suboblique late ovato-orbiculata, apice decurvo-vel etiam involuto-cucullato obtu- sata, basi antica latissime semicordata, auricula semiorbiculata ; lobulus duplo brevior, cauli contiguus parallelusque, apice galeatus subrostratus, deorsum in laminam rectangulari-oblongam basi 2-3- dentatam, vel spina unica magna quasi-caudatam, longe productus ; cellule subparvee fere conformes, pariete incrassato. Foliola paulo minora, dissita, ovato-orbiculata breviter anguste emargi- nata, dentibus acutis, basi profunde cordata, auriculis imbricatis, margine ubique plano. Flores dioici: @ in ramis longiusculis incurvis terminales. Bractez 3-4-juge longe dissite decurvo-secunde, intime foliis duplo longiores, ad 4 alt. connate bilobze, lobis anticis subacuminatis parum cucullatis argute spinoso-dentatis, lobulis bracteolaque ad $ bifid segmentis angustis tenui-acuminatis repandisve, laciniis 3 acuminatis inter bracteolam et bracteas utrinque interpositis. Brac- teole exteriores ovales bifidulee parce spinoso-dentatz. Perianthia bracteis zequilonga subovato-oblonga rotundato-truncata brevi- rostellata, ab ipsa basi 10-12-plicata. Calyptra obovata basin versus 6 cellulas, medium versus 4 cellulas, crassa, demum ad medium usque in valvulas 3 subzequales rupta. Obs. The leaf-lobule greatly resembles a slipper, covered only at the toe, or a lady’s stirrup. The female flowers are often very numerous, and, being borne on the ends of longish upturned branches, they give to the plant a chandelier-like aspect. The hooked secund bracts look like the lobed lip of some ringent flower. The outer bracts are gradually smaller than the innermost, and less toothed, and at about the 4th or 5th pair from the perianth, the leaves are of the normal form, with saccate lobule and entire margins. 6. FRULLANIA BLEPHAROZIA, Spruce. Hab. Pallatanga, Andium Quitensium, ad fruticum ramulos, alt. 1800™. F AL6x12,15x1-1, lob 8x5; cg 3 f* 9x '38;3.br 40; eee PS Se Seas Mediocris, e pallide viridi olivacea, laxe cespitosa. Caules 2-3-polli- cares flaccidi laxe subvage bipinnati. Folia ad } lat. imbricata horizontalia apice decurva, oblique semicordato- ovato-oblonga abrupte subacuta, subinde apiculata, raro obtusa, antice caulem transeuntia; lobulus duplo brevior, cauli approximatus parallelusque, oblongus, apice anguste oblique cucullatus (nec gale- atus), basi parum angustatus 2-3-spinosus lobum deorsum paulo transiens margine subrecurvus ; cellule mediocres incrassatee, infe- riores mediz subelongate. Foliola vix duplo breviora ovato-rotunda anguste obtuse emarginato- bidentula, dentibus acuminulatis incurvo-conniventibus, apicem versus plerumque wtrinque 2-3-denticulata serrulatave, interdum integerrima, subundulata, basi breviter cordato-decurrentia. Flores daoici 9 terminales ; bracteee 5-7-juge, decurve, intime foliis plus duplo longiores ad medium in excipulum connate; lobis anticis oblique (v. semi-) ovali-lanceolatis acuminulatis apice in- CHONANTHELIA | FRULLANIA. 19 curvis ceeterum margine planis, inequaliter longe laciniatis ciliatisie ; lobulis paulo brevioribus cum bracteole segmentis duobus lato- subulatis acuminatis subplanis pauci-longilaciniatis, processibus pluribus subulato-acuminatis inter lobulos et bracteolam inter- jectis. Bractez exteriores paulo sensimque diverse. Perianthia immersa ovato-cylindracea subfusiformia subsensim in ros- tellum attenuata, 12-plicata. F. hians pulchre diversa est florescentia monoica; foliis latioribus, apice rotundatis, basi postica crispatis, lobulo insigniter rostrato-galeato ; foliolis oblato-orbiculatis margine sinuato-crispatis ; imvolucri laciniis posticis margine valde revolutis. F, Campanensis, habitu florescentiaque similis, caules habet magis elongatos paucirameos ; folia rotundata, lobulo 2plo angustiore a caule dissitiusculo ; foliola reniformia dimidio fere latiora quam longa spe subintegra; bracteas longe breviores, minus laciniatas, Xe. 7. FRULLANIA HIANS, Lehm. et Lindenb. Noy. et minus cogn. stirp. Pug. IV., 55; G. L. et N. Syn. Hep. 414. Hab. Andes Quitenses, alt. 1500-2500": Baros in sepibus ad ramulos ; Tunguragua, in ipsa terra ad semitas, sociis Fr. Arecw, Lichenibus Vacciniisque, pulcherrime ; Chimborazo, in arborum ramulis juxta tuguriola ; etiam in valle fluvii Pastasa infra Baiios, locis Agoydn, Antombos, &. Specimina a cl. G. A. Lindberg in Brasilia australi lecta bene conveniunt. /’r. galericulata Tayl. Mst., a Rio Janeiro, forma minor videtur. Czterum per Americam totam tropicam, locis montosis, humidis et umbrosis, haud raro videtur. F'1°85 x 1:4, 15 x1°3, lob 11x °4, °75 x °3, ¢ Jy 3 f! 1:15.x 1°35, 10 x12, 9x10, °75 x 1:0; vol 4-0 alt. ; per 3°5 x ‘8™™, Elata mollis e flavido rufescens, stratificata, procumbens pendulave raro suberecta. Folia imbricata patentissima, apice decurvo-cucullata, suboblique cordato- ovato-rotunda, antice caulem transeuntia, margine postico plus minus sinuato-crispa ; lobulus haud duplo brevior cauli subcontiguus paral- lelusque, sublinguzformis, apice galeatus valide rostratus, infra galeam crispato-constrictus, deorsum in laminam lobum transeuntem undulato-crispam 2-3-cuspidatam (altera cuspide medio margine posita, altera basali—vel sepe duabus dissitis, triangulari-acumi- natis); cellule parvule equilaterze subpellucide, pariete incras- sato, marginales sub 3-seriat auricularesque ceteris paulo minores. Foliola foliis $ breviora pallida imbricata cordato-orbiculata-reniformiave, margine repando sinuato-crispa, apice brevissime emarginata, sinu obtuso, dentibus acuminatis recurvis, auriculis baseos (=folii 4) mediocribus rotundis contiguis vel imbricatulis. Flores monoici: ? in caule et in ramis primariis (seepe elongatis) termi- nales. Bracteze pluri- (sub 7-) jugee, maxime, subconflatz, late fere stellatim patule ; intimee ad medium usque in excipulum connate, lobis planis semicordato-ovatis sensim acuminatis longilaciniatis ; lobulis et bracteola segmentis plurifidis, laciniis sub 12 ineequilongis squarrose recurvis longe tenui-acuminatis revoluto-canaliculatis mar- gine plus minus incisis ciliatisve. Bracteze secundaria tertiarizque in excipulum minus altum connate ; lobis autem a primariis vix 20 FRULLANIA. [CHONANTHELIA diversis laciniato-serratis ; lobulis bracteolaque magna ovali apice ad i bifida toto margine crispatis et longilaciniatis-ciliatisve. Bractez exteriores in foliorum formam sensim transeuntes. Bracteola sexta suborbiculata margine crispata et plus minus dentato-spinulosa apice biapiculata ; septima subintegerrima foliolis conformis. Perianthia subimmersa compresso-cylindrica (rectangulari-oblonga) ros- tellata 12-plicata. Amenta ¢ pro more ramigena, folio axillari longiora, ovato-linearia ; bracteze 8-10-jugze parvule arcte imbricate, diandre. Var. orispa, S., foliis, lobulis, foliolisque margine pulchre sinuato- crispis, basi bispinosis. Obs. The long, almost teretely revolute laciniz of the bract-lobules, beset here and there with widely-spreading teeth, resemble elk’s-horns ; while the large, flat, sharp-pointed, and sharply-toothed (or spinose) antical lobes are widely different from the cucullate slightly-toothed bract-lobes of Fr. Arece. 8. FRULLANIA ARECH (Spreng). Jung. Arece, Spreng., N. Entdeck. IT.,99 ; “ Frull. Ecklonii, Spreng.,” G. L. et N. Syn. Hep., 413 (nec Spreng. Syst. Veg. IV., 2, 324). Hab. In Andibus Quitensibus, alt. 1500-3000", haud infrequens ; Baitos, ad pedem M. Tunguragua, in fruticum ramulis, cum Fr. hiante mixta; M. Guayrapata, inter Lejewneas serpens, &c. Per americam tropicam et australem ad Chili usque dispersa. F 2:0x2°0, 1°8x 1°55, lob 1°3x°5, ¢ ge-gy; ff” 14x15, 12x13; or 3°1-3°5 ; per 3°2x1°2,3°0x L1™™. Elata prostrato-stratificata, e viridi rufo-badia. Caules 2-5-pollicares flexuosi flaccidi pinnati et subbipinnati, pinnis brevibus inzequilongis, pinnulis seepe ad amenta ¢ redactis. Folia imbricata patentissima vel subdivaricata, cordato-ovato-rotunda, apice subcucullata, basi antica caulem late transeuntia ; lobulus vix dimidio brevior cauli subcontiguus ligulatus, deorsum paulo ampli- atus, subplanus repandus, basi triangulari acutus vel subacuminatus, raro obtusus, lobi marginem paulo transiens, apice galeato-saccatus compresso-planus vel supra concavus (neque vertice inflato-unci- natus); cellule mediocres subzequilaterze, pariete incrassato. Foliola imbricata foliis dimidio breviora, viridia, subplana cordato-orbicu- lata, paulo oblata, ad } alt. emarginata, sinu triangulari, apicibus acutis vel vix subacuminatis, auriculis baseos majusculis (=folioli 4) subrotundis, vel recurvis vel subplanis, contiguis vel imbricatulis. Flores monoici: @ in ramo (haud abbreviato) assurgente terminales. Bracteze 4-5-juge laxiuscule decurve, intime foliis vix duplo longiores in infundibulum preealte connate (antice tamen libere et convolutive imbricate); lobis anticis late ovalibus cuspidatis apicu- latisve cymbiformi-concavis apice 3-pauci-serratis-denticulatisve ; lobulis inequaliter bitidis, segmentis (idem ac bracteole angustze bifidee) caudato-acuminatis, plus minus recurvo-canaliculatis, rarius lacinula una alterave interjecta auctis. Bracteze exteriores sensim minores apiculate subintegerrime, cum bracteola ovali-lanceolata apice anguste bifida minus alte connate. Perianthia ex involucri ore recurvo-hiante vix vel paulo emersa cylin- CHONANTHELIA | FRULLANIA, 21 dracea subcompressa obtuse 10-12-plicata, apice constricto obsolete rostellata. Capsula globosa. Amenta ¢ ad caulem et ramos primarios, folium axillare vix equantia, ovato-globosa subcompressa ; bracteze 3-4-jugee complicato-concavee bilobze, lobis fere semicircularibus apice rotundatis. Ad Pallatanga, in Andibus Quitensibus occidentalibus, adest forma minor, foliolis exacte fere orbiculatis, et bracteis cucullatis argute spinu- loso-dentatis. 9, FRULLANIA VIMINICOLA, Spruce. Hab. Andes Quitenses, alt. circiter 3000, ex arborum ramis pendula, a cl. JAMESON lecta. F'1°8 x 1:25, 1:3 1:0, lob ‘8x °35, ¢ @j—-ae; fl 13x14, 8x "75; br 3:0; bra 23x15; per 3:0x1°3, 2°6 x 1:12". Robusta pusillave e viridi olivacea, Caules 1-4-pollicares laxe vage bipinnati, ramis paucis elongatis divaricatis. Folia subimbricata divergentia decurvo-cucullata valde oblique cordato- oblonga, apice rotundato repanda, basi antica caulem late tran- seuntia; lobulus subduplo brevior angustus ligulato-oblongus, apice alte galeatus et vel compresso-planus vy. subinflato-uncinatus, dimidio infero subplanus rotundatus lobi margine subconterminus ; cellule parvulee subconformes. Foliola inferiora mediocria, superiora magna, foliis subbreviora, superficie autem vix minora, cordato-orbiculata breviter (ad 4—} alt.) emargi- nata, sinu triangulari, dentibus subacutis apiculatisve, auriculis baseos majusculis minusculisve reflexis v. conniventibus. Flores monoici: ¢ in caule et ramis primariis terminales. Bractez 3—4-jugee laxee, intimee foliis sat longiores, a basi ultra medium in excipulum campanulatum connate; lobi late ovati abrupte acumi- nulati cucullato-concavi spinuloso-denticulati, raro integerrimi ; lobuli bracteoleeque bifida segmenta acuminata subintegerrima squarroso-recurva, margine plus minus revoluto. Bractee exteriores minus alte connatze inque foliorum formam sensim vergentes. Perianthia subemersa obovato-oblonga, ex apice retusulo rostellata, com- pressula, tetraquetra, facie antica late 1-carinata v. humiliter 2-3- carinulata. Amenta ¢ (perrara) folio axillari subzquilonga, oblongo-rotunda com- pressa; bracteze 3-4-jugze turgide subeequilobe. (Plante mere foemineze frequentiores sunt.) Ab hae differt Fr. Arece, Spreng., caule longiore magis eleganter pinnato, ramis brevibus ; foliis majoribus latioribus subovatis ; foliolis basi grandi-auriculatis; preecipue autem perianthiis equaliter 12- plicatis. Var. bicolor (=F r. excipulifera, 8. Mst.). Humilis vage ramosa. A Fr, Jamesoni differt (an specifice ?) foliis valde confertis, dimidio supero rubescentibus, infero albidis, rotundioribus, minus concavis, margine apicis lati recurvulo, lobulo latiore apice distincte uncinato-galeato, basi lobum paulo transeunte ; foliolis arcte imbricatis, cordato-reni- formibus ; perianthiis vix emersis anguste ovato-oblongis ; demum floribus dioicis? Cum Fr. gibbosa foliis bicoloribus, margine recur- vulo (mee tamen squarrosis) paulo convenit, ceteris caracteribus precipueque bracteis cuspidatis denticulatis satis differt.—Hab, In 22 FRULLANIA. [cHONANTHELTA Monte Campana Andium Peruvianorum, ad ramos, alt. 1200", ipse legi. 10, FRULLANIA GIBBoSA, Nees, G. L. et N. Syn. Hep. 411. Hab. in planitie Amazonica rarius, arboricola et saxicola, semper juxta habitationes. Per Americam tropicam dispersa. F10x1°0; lob 65x ‘45, ¢ A; f* 8x11; br 13; per 1°75 x “75™™, Humilis e viridi rufescens plagas latas vix stratificatas sistens. Caules prostrati arcte repentes implexique 1-2-pollicares laxe pinnatim ramosi. Folia plus minus arcte imbricata squarroso-patentia, dimidio supero rufo- badia, infero pallida, convexula, margine supero tamen recurvulo, late cordato-ovata rotundata ; lobulus paulo brevior, ad basin cauli contiguus, plica recta vix unquam cauli parallela sed angulo sub 45° (in lobulis evolutis majore) devexa, alte galeatus (compresso-para- boloideus) ore fere truncato, vel plus minus late cucullatus, vel persepe evolutus oblique ovato-triangularis obtusus, basi interna nunquam ultra lobi marginem protractus; disculus (s. lobulus adventitius) parvus obovatus, ipsissima basi lobulo connatus, a foliolo collaterali semper liber; cellule parvule globoso-hexagone subz- quimagnee chlorophyllose, pariete incrassato. Foliola imbricata, foliis fere squimagna, oblata, cordato-reniformia sinuato-repanda, raro grosse pauci-denticulata, emarginato-bidentata, sinu lunulari vel subacuto, dentibus subacutis raro apiculatis, margine recurvulo. Flores monoici (autoici): 9-in ramo brevi longioreve terminales. Bractee 3-jugze, raro plures, intime foliis paulo majores suberectz complicate subzequilobe, lobo antico rotundato, postico obtuso margine recurvo interdum extus lacinia aucto; bracteola angusta utrinque alte connata bifida, segmentis semilanceolatis integerrimis vel grosse laciniatis. Perianthia semiemersa, oblonga vel obovato-oblonga retuso-truncata ros- tellata, 4-carinata, carinis rugulosis, lateralibus devexis, facie antica latiore unisulca ; textura, e cellulis nucleo stellari (seepe intense rubro), pariete ecolorato diaphano ad angulos incrassato, pulchre tesselata. Amenta ¢ axillaria, folio caulino subequilonga, ovato-globosa ; bractez 5-6-jugee majuscule arcte equitantes equilobe diandre, raro triandre. Var. (?) densissima (Fr. densissima, S. Mst.). Robustior seepe bipinnata, pinnis inferioribus superioribusque brevissimis simplicibus, mediis longioribus pinnulatis, pinnulis szepe floriferis. Folia arctissime im- bricata squarrosa, margine recurvo, latiora quam longa, disculo majusculo orbiculato vel reniformi folioli auricule alterz tergo (raro margine) adnato. Foliola arcte imbricata prelata, margine repando recurvo, basi profunde cordata, auriculis lunato-oblongis conniven- tibus. Ramuli floriferi brevissimi, basi ¢ apice 2. Bractee 9 3-juge lis forme prioris similes, lobulis autem subacutis. Bracteze 2-3-jugee femineis sensim minores subequilobe diandre, bracteolis lineari-ovalibus bidentalis, hine basi bracteze connatis. Perianthia apice in rostellum subsensim attenuata.— Hab. In cortice CHONANTHELIA | FRULLANIA. 23 et saxis in Andium radicibus ad Tarapoto, etiam ad S. Carlos fluvii Negro. Forsan e florescentia paroica a Fr. gibbosa diversa, amenta mere mascula autem interdum (sed rarissime) idem ac in priore inveniuntur. In utraque forma folia alterna sola disculifera, lisdemque foliola collateralia sunt. 11. FRULLANIA RIOJANEIRENSIS, Raddi? Frullanoides Riojaneirensis, Raddi, in Mem, di Mod. 1823, p. 37, et 1827, t.2,f. 4. rullania Sebastianopolitana, Lindenb., in Syn. Hep. p. 412. Hab. Tarapoto, in Andibus Peruvianis, ad cortices, cum F. gibbosa Nees mixta. Variis locis Brasilize, Peruvie, insule Trinidad, &c., fide Syn. Hep. auctorum 1. c, F 1-25x1°3, 1°25 1:15, lob °75x 45, ¢ Jy; f'* 100x115, ‘9x11; br 1°75; per 2°4x1°0, 2°0x 1:0™., Grandiuscula prostrata vix stratificata, flavescens flaccida. Caules 2-3- pollicares bipinnati, ramis inzequilongis pro more brevibus. Folia tenera arcte (ultra } lat.) imbricata horizontalia, apice valide decurva, cordato-orbiculata ; lobulus haud duplo brevior cauli parallelus et paulo dissitus, dimidio supero alte uncinato-galeatus, infero equilatus planus basi rotundata lobi marginem vix superans, vix unquam (nisi ad ramos femineos) evolutus; cellule parvule equilatere, pariete incrassato, inferiores paulo majores pellucidioresque. Foliola conferta arcte imbricata, foliis paulo minora, cordato-orbiculata- reniformiave brevissime (ad ;; alt. solum) marginata, sinu lato dentibusque subacutis, rarissime integra, caviuscula, auriculis baseos majusculis subrotundis reflexis raro conniventibus. Flores monoici: ? in ramo brevi, raro subelongato, terminales. Bractez pluri- (5-9-) jugee ramum totum tenentes; intimz foliis dimidio longiores, in excipulum 4-gono-obpyramidatum, antice lobis prelate imbricatis (nec connatis) clausum, alte coalite ; lobis obovatis ex rotundo subapiculatis ; lobulis (seepe bifidis) bracteoleeque segmentis triangularibus subacuminatis, margine apiceque late recurvis, inte- gerrimis raro sublaciniatis. Bracteze exterlores sensim minores, minus alte connate, lobulo autem semper evoluto. Perianthia emersa anguste oblonga sat compressa alte 4-carinata ex rotun- dato apice rostellata, facie antica lata convexa apicem versus sepe 1-2-carinulata. Calyptra duplo minor late pyriformis infra medium 6 cell. crassa, superne sensim attenuata. Amenta ¢ axillaria folium paulo excedentia ovato-conica; bracteze 8-10- juge arcte equitantes subeequilobe 2-andre ; antheridia glabosa in stipite eequilongo cellulis uniseriatis conflato, 12, FRULLANIA TENERA, Spruce, Hab. In Andium radicibus Peruvianorum, precipue secus fl. Huallaga ripas, locis Yurimaguas, Chapaja, Tarapoto, &c.; etiam ad fluvii Negro ostia (flum. Amazonum confluentis) et ad cataractam Maypures flum. Orinoco ; semper corticola, arbores domesticas diligens. F (sine lobulo) 1°5 x 1°4, *85 x *65, lobulus 1:0 x ‘6, “6 x 35, ¢ Ay; f'* ‘9x 95 ‘55 x°5; br excipulum 1°4 alt., 1°8 ore latum ; per 2°0-2°5 x *8™™, 24 FRULLANIA. [cHONANTHELIA Tenella seepe pallida pellucidaque vel flavida, rarius e viridi olivacea rufulave, strato tenui effusa. Caules 1-3-pollicares pinnatim decompositi, ramis pro m. breviusculis. Folia plus minus imbricata—raro ad 4 lat usque—subplana apice decurvula, late oblique semicordato-oblonga rotundata, caulina fere orbiculata ; lobulus=lobi 3, apice uncinato-cucullatus vel anguste galeatus (probosciformis) deorsum in laminam latiorem acinaciformi- oblongam, margine interno (i.e. plica) cauli parallelo concavo vel fere recto, externo rotundato, sinuato-repandam, basi ampliata rotundata lobi marginem sat longe transeuntem protractus, vix unquam (nisi ad ramos floriferos) evolutus ; cellule parvee, inferiores submajores, subzequilaterze subpellucide. Foliola subcontigua dimidium folium excedentia planiuscula late orbiculata ad vel ultra 2 bifida, sinu lato subobtuso, segmentis patulis subacutis raro subapiculatis, seepe inzquilongis, sinuato- repanda, basi breviter cordata. Flores monoici; 9 in ramo brevi, raro longiore, terminales. Bracteze 3- (4-) jugee, intimz foliis caulinis subzequales, in excipulum late obpyramidatum, ore patulum, alte (ad #) connatz, lobis late ovato- triangularibus perabrupte subacutis, lobulis subminoribus acutis, externe spina auctis, subrecurvo-canaliculatis ; bracteola oblonga apice breviter bifida, segmentis acutis margine recurvis. Bractez exteriores subminores, minus alte connatz, forma simili ; bracteolee anguste oblong, apice erecte bidentule. Perianthia alte emersa anguste oblonga, ovatove-oblonga, rotundato- truncata brevirostria alte 4-carinata, facie antica 2-(raro 3-4-) carinulata. Calyptra perianthio plus duplo brevior globoso-pyri- formis, basi tubulari 6 cell., infra medium 3-4 cell. crassa, superne sensim attenuata, demum ab apice profunde bivalvis. Amenta ¢ ad caulem et ramos axillaria, sepe a fl. 9 haud remota, folio subbreviora oblongo-globosa ; bracteze 3-5-jugze mediocres subzequilobee. Ad Tarapoto advenit forma condensata, foliis confertis subminoribus. ~ Ad Chapaja altera forma flavida laxifolia, seepe fere plumgformi-pinnata, foliis iis Fr. Riojaneirensis vix minoribus, bene distincta autem lobulo inferne valde dilatato apice angustius cucullato-uncinato ; precipueque foliolis minoribus multo magis distincte bifidis. Planta Maypurensis est sordide viridis, bracteasque fl. 9 habet seepe plurijugas, vel saltem folia omnia ad ramos foeemineos lobulis evolutis instructa. Ab hac specie certe distat F’r. arvetina, 'Tayl., florescentia paroica (i.e. floribus ¢ hypogynis); foliis subminoribus angustioribusque, lobulo minore, appendiculo angustiore quam galea (latiore in Fr. tenera) ; foliolis breviter (ad 4-} alt. solum—nec ultra 4) bifidis; bracteis fere constanter serratis—/'r. Riojaneirensis, Raddi, perfecte diversa est statura submajore, presertim foliolis magnis breviter emarginatis imove omnino integris. Descriptio tamen hujusce speciei in “ Synopsi Hepat.” pro- babiliter ex p. ad Fr. teneram spectat, saltem quoad “amphigastria foliis duplo minora,” qualiain F’r. Riojaneirensi vera nunquam vidi, Specimina a cl. G. A, Lindberg in Brasilia australiore lecta, a Gottscheo ipso ad Fr. Riojaneirensem relata, cum meis sub eodem nomine supradescriptis ad amussim congruunt. CHONANTHELIA] FRULLANIA. 25 13. FRULLANIA LEPTOMITRA, Spruce. Hab. Ad pedem Andium Quitensium, secus fl. Bombonasa, in arboribus super fr. replicatam parasitans. F 9x65, lob evol °6x°35, ¢ 2; f* 5x5, 55x45; br 16; per SOx Os el 6 Lome Pusilla viridis, dein fuscidula, flaccida. Caules 2-pollicares prostrati vage ramosi, ramis 9 assurgentibus. Folia subimbricata late patula subplana oblonga vel ovato-oblonga, basi antica subcordata caulem parum transeuntia, inferiora rotundata obtusatave repanda integerrima, superiora szepe apiculata acuminu- latave apiceque serrata; lobulus sat magnus erectus sepissime evolutus ovatus acutus, raro apice alte uncinato-galeatus-cucullatusve, dimidio infero equilatus (vel parum latior) late acinaciformis sub- planus lobum late transiens ; cellule subparvee, annulo opaco intus cincte, pariete subincrassato. Foliola vix duplo breviora orbiculata, superiora cuneato-ovalia, subplana, apice ad 4-1 obtuse bidentata, dentibus acutis sepe conniventibus. Flores monoici: ? in caule ramisque terminales. Bractez plurijugee laxee decurvo-subsecunda, intimee foliis fere duplo longiores patule, lobis anticis ovatis acuminatis serratis vel subspinosis, lobulis paulo angustioribus revoluto-canaliculatis, ineequaliter bifidis vel saltem spina externa auctis, segmentisque bracteole bifide utrinque breviuscule connate paucispinosis.—Bracteze exteriores 5—6-jugee) sensim subminores, lobis lobulisque acuminatis serratis ; bracteolis subliberis cuneato-ligulatis, apice bifidulis serratisque. In aliis stirpibus videmus folia plurima infrafloralia subapiculata apiceque subserrata, lobulo evoluto acuminato instructa, in bracteas sensim vergentia. Perianthia emersa ovato-linearia—interdum prelonga,fere ovato-subulata, —ex apice rotundato retusove brevirostria, subcompressa, alte obtuse plicato-pentagona, subinde, carinula una alterave utrique faciei adjeeta, 7-10-carinata. Calyptra duplo brevior, pyriformis, tenuis, basin versus 2 cell. superne 12 cell. solum, crassa, demum bifide rupta. Amenta ¢ cauligena, folio axillari sepius breviora, compresso-globosa- oblongave, bracteis 3—5-jugis. Planta pulchella, forsan pro var. F'r. terere insigni habenda, differt autem foliis longioribus plerisque apice acuminulato serratis, lobulo seepissime evoluto (in Fr. tenera fere constanter apice galeato) ; foliolis brevius bidentatis, superioribus subcuneatis ; bracteis minus alte connatis subspinoso-serratis ; preecipueque calyptra basin versus solum 2 (nec 6) cellulas crassa. 14, FRULLANIA ARIETINA, Tayl. Mst, G. L. et N. Syn. Hep. 413. Hab. Per sylvam Amazonicam et Andes inferiores (vix supra 500™ ascendens) haud infrequens, ad arbores cultas nusquam ab habita- tionibus remotas : San Carlos del Rio Negro, ad Crescentiam Cujete 5 Tarapoto, ad Erythroxylon Coca; &c. TRANS, BOT, SOC. EDIN. VOL, XV. D “26 FRULLANIA. [ CHONANTHELIA F 10x°8, 9x ‘8, 8x °62, lob 6x °3, ‘5 x ‘25, c Age; ff “6x ‘75, 5x ‘5, 4x5; br 1:75—1°5; per 2°5 x 1-0, 2:0 x -8™™, Pusilla, magnitudine Fr. dilatate, virescens olivaceave, prostrata. Caules pollicares vel longiores, vage vel subpinnatim ramosi, implexi. Folia subimbricata, oblongo-vel ovato-rotunda, planiuscula, apice decur- vulo rotundata, basi subsemicordata ; lobulus majusculus cauli sub- parallelus et parum dissitus, dimidio supero alte galeatus (e vertice arcuato tubuloso-inflato decurvo proboscem, vel arietis cornu, simu- lans), infero angustior in laminam subrhombeam lobi margine sub- conterminam protractus haud raro perfecte evolutus subplanus ovato- triangularis obtusus acutusve ; cellule parvee pellucide, pariete incrassato, basales perpaulo majores. Foliola subdissita foliis vix duplo breviora orbiculata, breviter (ad 4-3) emarginato-bifida, sinu subobtuso, dentibus acutis, margine plano, basi amplexante parum cordata. Flores monoici (paroici): @ in ramo brevi longioreve terminales. Bracteze 2-3-jugz, intimee foliis sat longiores in excipulum obpyra- midatum ore recurvo-patulum coalite, subineequilobe, lobis anticis ovatis apiculatis serratis, raro integerrimis, lobulis (interdum bifidis) necnon segmentis bracteole breviter bifide acuminulatis parce dentatis incisisve, vel fere integerrimis. Bractez exteriores sensim breviores breviusque connate. Perianthia subemersa oblonga compressula 4-quetra, facie antica latiore obtuse 2-3-carinulata, raro faciebus lateralibus etiam posticaque carinulatis, rostello brevi ore subampliato. Calyptra pyriformis, basi 6 cell., medium versus 4 cell., apice 1 cell. crassa. Andrecia hypogyna—raro in ramuli @ longioris basi ipsa posita ; bracteee g 2-3-jugee foliis consecutive, paulo breviores, equilob, diandree. Rami mere masculi rarissime adveniunt. Var. pluricarinata.—Laxifolia ; fol. lobulis plerisque evolutis ; foliolis interdum paulo magis profunde fissis; bracteis spinulosis; perianthiis 7-10-carinatis-plicatisve—Hab. ad San Carlos fl. Negro. Obs. In omnibus formis perianthii sectio trapezoideo-quadrangula semper invenitur, carinulis intercalatis multo minus elevatis quam quatuor carinz primariz. Taylor would probably have included under his “ arietina,” not only the species above-described, but also Fr. tenera and gibbosa. I have speci- mens, gathered in Demerara by Dr Campbell, and named “ Fr. arietina” by Taylor himself, which are truly the normal form of Ir. gibbosa. 15. FRULLANIA LAXIFLORA, Spruce. Hab. Andes Quitenses, in cordillera occidentali ad arbores pomiferas, loco Guataxt, alt. 2200"; in cordillera orientali juxta cataractam Agoyan supra saxa, alt. 1600"; ex Andibus Novo-Granatensibus, a cl. Ros, Cross lectam, varietatem pulchram habeo. F1:1x9, lob 5-6, ¢ 4-ay s f °'7 x65 br 15; per 15x 1-0™™, Humilis, strato tenui repens, atro-sanguinea, rufo-badia vel virescens, tenera. Caules 1$-3-pollicares pinnati, ramis laxis brevibus inter- dum pinnulatis. Folia dissita vel subimbricata convexa late cordato-ovata, basi antica CHONANTHELIA | FRULLANIA. 27 caulem longe excedentia, apice subangustato obtusa rarius rotundata ; lobulus duplo brevior cauli contiguus et subparallelus, dimidio supero alte galeatus, infero lamina oblonga canaliculata lobum haud superante constans ; cellule subparvee eequilateree, pariete incrassato, inferiores paulo majores. Foliola dissita foliis haud duplo breviora ovato-orbiculata ad { emarginato- bifida, sinu obtuso, dentibus subacutis, basi e margine recurvo angustata, raro subcordata. Flores monoici:: 9 in ramo brevi, raro longiore terminales. Bractez bijuge, laxee, longius inter se dissitze quam folia caulina, recte patulz vel decurvee, profunde bilobze, lobo ovato sensim acuminato repandulo, lobulo fere longiore porrecto ovato-lanceolato acuminato valde canaliculato, basin posticam versus 1-laciniatee ; bracteola basi sola connata anguste oblonga apice bifida laciniis subulato-acuminatis, integerrima rarius subincisa. Perianthia vix emersa ovali-vel obovato-fusiformia alte tetraquetra ros- tellata, facie antica seepe suleata, demum 4-fida, valvulis lanceolatis cuspidatis. Calyptra pyriformis tenuis, solum basi tubulari 2 cell. crassa, demum bivalvatim rupta. Capsula in pedicello brevi arcu- ante, e perianthio lateraliter emergens, globosa 4-loba. Elateres validi rubri unispiri. Spore majuscule. Andreecia axillaria compresso-globosa oligophylla. Var. Crossiz. Submajor pallide viridis tenerrima. Foliola submajora, basi distincte cordata margineque recurva, dentibus apicis sepe apiculatis. Hab, juxta Popayau. Fr. tetraptera Mont. (Syn. Hep. 429) nostre subsimilis, differt praecipue lobulis basi truncatis. 16. FRULLANIA SEMICONNATA, Lindng. et G. Syn. Hep. p. 776. Hab. Andes Quitenses, ad arbores preecipue pomiferas, alt. 1500-3400™ ; prope Quito, alt. 3000™, in hortis, ad truncos ramulosque Amygdala Persice, Pyri Cydonie, precipue vero Pyri Mali, haud infrequens. Ee Vi x °9, 1-2 x 1-0; lob "b, ¢ Ay 3 f'.:6 x 6; 750K °F 5 Gr 1:8); per 30 x 1:3™™. Humilis subceespitosa e viridi badia. Caules 2-3-pollicares tenues vage subpinnatim bis ramosi, inferne denudati. Folia imbricata valde oblique rotundo-oblonga, basi antica profunde semicordata caulemque late transeuntia, e margine toto incurvulo concava ; lobulus plus duplo brevior saceatus late obovato-semiglo- bosus, ore truncato ; cellule parvee equilateree, subbasales medic multo majores, flavidee, pariete ad angulos lateraque incrassato. Foliola foliis dimidio breviora contigua obovato-orbiculata, margine basali recurvo, apice brevi-emarginata, sinu dentibusque acutis. Flores monoici: ? terminales.. Bracteee 2-3-juge majuscule, intime in excipulum alte connate, lobis anticis patulo-recurvis obtusis apiculatisve, lobulis ovatis acuminatis segmentisque bracteole breviter bifidee angustioribus basin versus szepe lacinula una alterave auctis. Tyrianthia magna, foliis caulinis fere 3plo longiora a basi subangustiore rectangulari-oblonga tetraquetra subcompressa, rotundato-truncata, rostellata, facie antica latiore unisulca. 28 FRULLANIA. [cHONANTHELIA Andreecia lateralia, folium caulinum superantia ; bractez sub 5-juge. Var. suborbiculata S., foliis foliolisque fere orbiculatis, bractearum lobis _ interdum tenui-apiculatis. Hab. infra Banos, in fruticum hortensium ramulis; in M. Altar, ad Buddleje truncos—Forma in Andibus Quit. a Jameson lecta folia habet submajora basi distinete sub- cordata ; alia perianthia inordinate elongata, in sicco fere subulata. —Forme a typo paulo divergentes in Mexico quoque a cl. Liebmann lectze fuerunt (V. Gottsch. Mex. Leverm.). Obs. Caulis teres, extus rufo-fuscus opacus, intus pallidus, cellulis pluristratis subeequalibus conflatus. Cellule folii subapicales, necnon auricule antic, lobuli et folioli, iis medii folii duplo saltem minores. Cellule pauce lobi mediam basin versus magne, flavidz, ocellum irregu- larem sistunt. 17. FRULLANIA SUBALPINA, Spruce. Hah. M. Pichincha, supra pagum Nono, alt. 3350", in rupibus humidis supra alias hepaticas repens. . 75 x7, b"3, 6 ys [4% 33 Or 13s per lexi Pusilla olivacea. Caules vix semipollicares arete repentes vage subra- mosi rarius brevibus paucifoliis. Folia infima parva, superiora increscentia, subimbricata caviuscula late ovata, rotundata, basi antica dilatata caulem late transeuntia (neque semper semicordata) ; lobulus plus duplo brevior cauli subcontiguus galeatus subsemiglobosus, ore truncato; cellule parve cquilatere subconformes. Foliola duplo breviora dissita, basi reflexa apice incurva, obovato-cuneata emarginata, sinu triangulari foliolo 6plo breviore, medio tergo radicellifera. Flores monoici: @ terminales. Bractee 3-juge, intime foliis fere duplo longiores recurve fere liberee, ad medium usque bilobe, lobo obovato rotundato, lobulo perpaulo minore rhombeo subacuto ; bracteola oblonga—szpe subpanduriformis—emarginata, hinc cum bractea basi connata, hine libera. 7 Perianthia bracteas superantia, pyriformia vel obovato-oblonga, retusa vel obeordato rostellata, compressula tetraquetra, carinulis utrique faciei superadditis 10-carinata-plicatave, carinis undulatis levibus. Andreecia folium caulinum excedentia, bracteis sub 5-jugis. Fr. pluricarinata, Gottsch. Hep. Nov. Gran, 74, nostre certe per- affinis, differt sec. auctoris descriptionem foliis suborbiculatis ; foliolis contiguis ad }+ (nec ad 3% solum) bifidis; involucro inter lobulos et bracteolam utrinque lacinula aucto, cum bracteola alte connato. Fr. arietina, Tayl., cui etiam subinde adveniunt perianthia pluri- carinata, differt lobulis apice solo galeatis, basi in appendiculam galez equilongam productis : foliolis orbiculatis ; bracteis cum bracteola utrinque alte connatis, etc. Fr. semiconnata, L. et G., omnium affinissima, certe distare videtur statura elatiore ; foliis majoribus oblongo-rotundis nec ovatis; foliolis fere orbiculatis, preecipue autem bracteis in excipulum alte connatis, cuspidatis ; et perianthiis prelongis tetraquetro-prismaticis, carinis inter- cealatis nullis. CHONANTHELIA | FRULLANIA. 29 Obs. The perianths of Fr. subalpina are tetraquetrous, trapezoidal on the section, the antical face (which is much the broadest) béing tripli- cate, and the other three faces traversed by a single medial fold, making the entire number of folds, or keels, ten, as in Fr. Arece and hians. Fr. arietina, which has very rarely similar supplementary folds, differs essentially in the appendiculate leaf-lobule ; im other words the lobule is galeato-saccate in its upper half, while the lower half is a flat lamina, appended (as it were) to the sac. But in Fr. subalpina the lobule is sunply a galeate sac, with a truncate mouth, and no explanate appendage. 18. FRULLANIA STENOSTIPA, Spruce, Hab. Pichincha, ad cortices, alt. 3000™, F ‘8x 65, lob 35, ¢ Fy; f 6x ‘3, 55x ‘25; br 1:5; br’ 1.2; per 20x *85™m. Pusilla (pollicaris) viridis subinde rufescens, Fr. semiconnate aftinis, differt an specifice ? caracteribus sequentibus :— Folia minora subimbricata planiuscula, oblique cordato-oblonga-ovatave; lobulo lobo plus duplo breviore cucullato erostri, inferne in laminam brevem deorsum sensim angustatam protracto—raro galeato et fere zqualiter truncato. Foliola paulo breviora, plus duplo angustiora, ligulato-oblonga vel anguste cuneato-obvata—e medio margine utrinque valide recurvo ad speciem panduriformia, repanda, apice ad 3-1 alt. subacute bifida, segmentis acutis. Flores ? dioici (?): Bracteze 3-4-jugze , intime (saltem) in excipulum obpyramidatum, alte connatz foliis subduplo longiores, fere equaliter bilobz, lobis oblongis acute acuminulatis repandis, antico recurvo, postico (lobulo) suberecto margine plus minus incurvo, basin internam versus-laciniato ; bracteola brevior ovato-lanceolata breviter bifida. Perianthia pyriformi-oblonga rostellata 4-5-carinata. Obs. Pauca exemplaria inveni, omnia mere fceminea, nulla monoica.— Fr. semiconnata flores habet monoicos; foliorum lobulum galeato-saccatum ore truncatum ; foliola majora, tam lata quam longa, suborbiculata ; ‘ perianthia fere rectilineari-oblonga tetraquetra. 19. FRULLANIA FLAMMEA, Tayl. Tayl. Mst. in hb. Jameson. Hab. In Andibus Quitensibus prope Cuenca, ubi ad arbores legit JamEson. F -85x°75, lob 35 x °35, ¢ Jy ; f'* 40x °35, br 1-0™™, Pusilla, facie Fr. fragilifolie, atrosanguinea. Caules }-1-pollicares teneri implexi irregulariter pinnati. Folia imbricata dissitave late oblique cordato-ovato-triangularia obtusata obtusa vel raro subacuta; lobulus plus duplo brevior, basi cauli contiguus, oblique ascendens, galeatus, oblongo-hemispheericus trun- catus—subinde apice solo cucullatus, {basi ad speciem in lamellam productus; cellule parvulz, pariete incrassato, opace, basales majores pellucidee. 30 FRULLANIA. [ CHONANTHELIA Folia parva late ovali-cuneata breviter acute bifida, dorso gibbo radicel- larum penicillum gerentia, margine plano angulato. Flores dioici :? terminales digyni. Bracteze 1-2-jugee foliis submajores suberectee ad } alt. biloba, complicatee, lobis acutis obtusisve canaliculatis, postico paulo minore, subrecurvo ; bracteola angusta (imperfecta solum visa). Amenta ¢ folio axillari breviora vel sublongiora ; bractez 3-5-juge. Fr. Cuencensis Tayl., Lond. Journ. Bot. 1846, p. 406, in eadem vicinia lecta, differre certe videtur foliis foliolisque majoribus rotundioribus, margine recurvis. Obs. Fr. fammea, cum duabus sequentibus (Fr. decidua et Fr. Orino- censis) melius forsan inter T'rachycoleas militaverint. 20. FRULLANIA DECIDUA, Spruce. Hab. Andes Quitenses, in valle Alausi, ad saxa. F 8x °7, 8x6, lob 3-25 x ‘2, ¢ dy; fi2 83x 3™™, Prostrata substratificata, ex atro rubella. | Caules 2-3-pollicares sub- simplices teneri pallidi inter se paralleli, sepe e foliis caducis fere denudati. Folia subimbricata vel dissita oblique patula late cordato-ovata asymmetriea, apice decurvo rotundata; lobulus subtriplo brevior, subobliquus, oblongus—interdum brevi-cylindraceus—galeatus basi tumcatus, vel perseepe solum apice cucullatus; cellule parve rotunde, omnes fere equimagne, pauce basin versus sensim submajores. Foliola dissita foliis plus duplo minora ovali-rotunda acute emarginata, dentibus acutis. Flores haud visi. Fr. flammea Tayl., colore similis, differt caule multo breviore, magis ramosa ; foliis solum obtusis, lobulo duplo fere latiore—F’r. Cuencensis Tayl., foliolis majoribus et foliorum cellulis minutis densis in peripheria, magnis in centro, diversa est. 21. FRULLANIA ORINOCENSIS, Spruce. Hub. Maypures fluminis Orinoco, in cortice. F 11 x«‘85, lob 3, ¢ Jy 3 f°35:x'25 5 br 1:35 br" Tbe Bae fer ee On Prostrata rufo-sanguinea laxe intricata. Caules pollicares, validi, laxe’ subramosi. Folia subimbricata semicordato-ovata rotundata obtusatave ; lobulus sub 4plo brevior szepissime evolutus ovato-subulatus lingulatusve, raro- cucullatus, basi cauli contiguus, superne angulo 30°-40° divergens ; cellule parvee equilatere subconformes subopace. — - Foliola dissita foliis plus quam triplo breviora, latitudine caulem hand transeuntia, cuneato-oblonga, ad 4 bifida, segmentis lanceolatis sinuque acutis, fere planissima. : Flores monoici: ? terminales. Bractez sub 4-jugee, decurvo-secunda, intime foliis sublongiores oblique ovato-oblongz obtuse, lobulo ejusdem longitudinis licet angustiore subacuminato acuto, integer- rime, basi autem (inter bracteam et bracteolam) lacinula dentiformi CHONANTHELIA | FRULLANIA. ol aucte; bracteola hine cum bractea breviter connata, brevior, angusta, ligulata, vix ad medium acute bifida, segmentis erectis acutis.— Ramuli (sive innovationes) axillares alterni e quoque bractearum pari, intimo excepto, proferuntur. Perianthia subemersa oblongo-globosa inflata, parum compressa, antice subconvexa, postice bicarinata, carinis subrugulosis. Andrecia ramulo folium proximum vix superante constantia oblongo- globosa ; bracteze 4—5-jugee. Obs. Inter Fr. trinervis L. et L. varietates forsan jam antea enumerata, a typo tamen certe specifice differt. Fr. tetraptera Mont. Ann. Sc. Nat. 1838, nostre sat similis, differt foliis solum obtusis ; foliolis majoribus suborbiculatis, et bracteis dentatis. Fr. laziflora S., habitu coloreque subsimilis, lobulum habet duplo majorem apice galeatum basi longe appendiculatum ; foliola duplo majora ad 4 solum bifida. Fr. inflata Gotts. Syn. Hep. 424, affinis videtur, differt autem lobulo majusculo a caule distante. (Amer. bor. habitat.) Fr. spicata L, et L. (e Brasilia) folia habet orbiculata ; foliola obvvata apice solo bifida. Suscenus Il.—TRACHYCOLEA, 8. Plante humiles prostrate arcte repentes, plerumque in orbem radiatim dispositee, rarissime substratificatee, vage pinnatim ramos, viridiores quam eter Frullaniz, deinde luride rufescentes ; perianthia seepe albicantia raro apice purpurascentia. Folia fragilia, seepe squarroso-recurva, oblique cordato-ovata rotundata ; lobulus plerumque parvus, alte galeatus, ore truncato, interdum explanatus, basi cauli contiguus, rectus v. subobliquus; cellule parvee subopacee, inferiores majores. Foliola dimidium folium fere semper excedentia, subrotunda cuneatave, breviter, bifida, rarissime integra, subinde utrinque angulato-1-2- denticulata. Flores dioici: 2 terminales. Bracteze paucijuge, intimee foliis sub- eequilongze, lobulis bracteolisque pro more laciniatis. Perianthia emersa seepe subobovata compressa tricarinata, interdum antice (rarius etiam postice) 1—-4-carinulata, facie fere tota tuberculis, villis vel squamulis plerumque conspersa, rarissime subnuda. Andrecia primum globosa, serius plerumque elongata et subcylindrica ; bracteze plurijugee diandre. Hab. Ad arborum truncos et ramulos seepeque ad saxa, locis montium inferiorum planitieique subsylvaticis, vix unquam in subalpinis. Distr. Species haud numerose, nullo climate omnino exules. Una (Fr. dilatata) per zonam temperatam borealem vulgata, in Europa fere sola sui subgeneris est, altera specie, Fr. Jacki Gotts., foliolis integris insigni, rarissima ; in America boreali autem aliz paucz species in- veniuntur. In hemisphera australi temperata et frigida aliz species, omnes proprie, adveniunt ; aliz plures terris tropicis proprie sunt, eirumque una, Fr. squarrosa Nees, in America, Asia et Africa, tropica et subtropica, late distributa est. In America eequatoriali ipse solum 32 FRULLANIA. [rracHYcoLea 4 species, nullam vulgatam, inveni. Fr. squarrosa per sylvam Amazoni- cam et Andes inferiores dispersa est, nusquam ab habitationibus remota, seepeque Fr. gibbosa et arietina consociata. Ceteree 3 omnes zonam Andium sylvaticam inter 1200 et 2000™ alt. incolunt. Alize species in Mexico, Antillis, Brasilia, etc. habitant ; in.Asia tropica et Africa tamen rariores videntur. In this subgenus, as in all the following ones, the perianth is typically trigonous, having two lateral and only one postical keel ; although in Trachycolea supplementary ridges (carinul) are sometimes added on at front and back ; it is moreover beset with tubercles, or papillee, or leafy scales, which rarely become obsolete. In the tropical species it is nearly always whitish-green, rarely passing to dull purple at the apex, while the foliage is green, and not rufous, as in most other Frullaniz. Our own Fr. dilatata is the type of the group, but is nearly always tinged with brown on both foliage and perianth. The species grow either in orbicular atches on stones and trees, or trail over other hepatice. Fr. squarrosa (like Fr. dilatata) is truly a weed, following the operations of men, and growing along with Fr. arietina and gibbosa throughout the Amazon plain and lower hills, only near habitations, where it is not uncommon on old calabash trees, but is seldom fertile. Of the other 3 species gathered by me in South America, two belong to the middle wooded region of the Andes and ascend to 1800™; the third to the plain, at the cataracts of the Orinoco. They are all very local, yet have a somewhat “trivial” custom, being never found in thé depths of the forest but preferring deserted clearings and such like places. In this respect they agree with Chonanthelia, one species of which, F’r. Orinocensis, also approaches them in character, but differs essentially in the 4-(not 3-) angled perianth. Fr. squarrosa is not only tropical American but is found also in South Africa, in continental India and the Malay Islands, and in Australia. Fr. ericoides Nees, which is scarcely distinct from the preceding, is also common to the three continents, and has been found in some of the Oceanic Islands. A few other species are described from the southern hemisphere, some from as far south as New Zealand and Cape Horn. In Europe, besides Fr. dilatata, we have one, or perhaps two, species. North America, with Fr. dilatata, has Fr. wolotis, Fr. Virginica, and two or three others. All the species of Trachycolea part rapidly with their colouring matter when moistened, and tinge water yellowish-green. 22. Fr. squarrosa.—F. fragilissima recurvo-squarrosa cordato-ovata rotun- data, lobulo majusculo galeato. Foliola vix minora oblato-orbiculata angulata ad } bifida, segmentis apiculatis. Br. lobulis laciniatis ; bracteola subdentata. Per. oblongo-obovata retusa, supra medium plus minus papillosa. 23. Fr. squamuligera.—F. vix fragilia squarrosa late semicordato-ovata rotundata, lobulo minuto galeato. Foliola haud duplo breviora oblato-orbiculata brevi-emarginata, dentibus subacutis. Br. lobulis bracteolaque laciniatis. Per. oblonga rotundata, facie fere tota squamulis foliaceis vestita. 24, Fr. latiflora.—F. vix fragilia subsquarrosa, lobulo parvo obtuse conico. Foliola fere duplo breviora obovato-rotunda ad } bifida, segmentis TRACHYCOLEA | FRULLANIA. 30 subacutis. Br. integerrime, nisi pro lacinula una alterave in sinu inter lobulos et bracteolam connatam. Per. fere orbiculata alte triquetra, carinis rudimentarie alatis scaberulis, ceeterum levissima. 25. Fr. hirtiflora.—Tenella. F. haud squarrosa, valde inzequilatera semi- cordata obovato-oblonga rotundata, lobulo triplo breviore eylindrico- galeato. Foliola fere duplo minora cuneata utrinque 1-2-dentata, apice ad }-} bifida, laciniis acutis. Br. lobulis basi externa, bracteolaque utraque basi, 1-laciniatis. Per. alte emersa obovata compresso-trigona, facie tam antica quam postica obtuse 4-plicata ubique papillis longis articulatis hirta. 22. FRULLANIA SQUARROSA, Nees. Jungermania squarrosa N. in Nov. Act. Acad. Nat. Cur. XI. ; Frullania squarrosa ejusd. Syn. Hep., 416. Hab, Per planitiem Amazonicam sparsa, semper juxta habitationes, ad arbores saxave ; etiam in Andibus occidentalibus, (Tarapoto Banos, etc.) ad 2000 metr. alt. ascendens. Hi Tase 8, “766; lob 4, ods 5 f' 6x97 5 br 1:2 5 per 20x Iam, Viridis, in plagas latas extensa ; caules implexi ope radicellarum arete repentes 1-2-pollicares pinnati, ramis brevibus inzequilongis, inter- dum subbipinnati. Folia fragilissima dense imbricata, margine supero recurvo-squarrosa, oblique cordato-ovata rotundata, lobulo majusculo cauli contiguo galeato, ore obliquo, interdum evoluto vel solum cucullato ; cellule parvee, mediz subbasilares multo laxiores. Foliola foliis equimagna oblato-orbiculata planiuscula ad 4 acute bifida, segmentis apiculatis, basi angustissime subdecurrentia, margine sinuato-angulata, Flores dioici: 2 terminales. Bractez foliis majores complicato-bilobe, lobo integro, lobulo laciniato ; bracteola oblonga bifida, lobis acu- minulatis repandis, angulato-dentatis vel incisis, utrinque supra basin 1-laciniata. Perianthia semiemersa oblongo-subobovata retusa rostellata, triquetra, carina postica preealta, facie antica unisulea (s. 2-carinulata), tota superficie, dimidio superiore, ad carinas przecipue sparse tuberculose vel brevi-papillosa. Ad San Carlos del Rio Negro advenit forma foliis fere orbiculatis, foliolis minoribus (=folii #); eadem fere forma ad Baios (montis Tunguragua). Cum Fr. squarrosa, a G. A. Lindberg in Brasilia australi lecta, bene convenit. 23. FRULLANIA SQUAMULIGERA, Spruce. Hab. Andes Quitenses, in sepibus juxta cataractam Agoyan. F 1-25 x 11, lob -25, ¢ ay; fl*-7 x °83 br 1°83 per 3-0 x 1-2™™, Caules 2-pollicares prostrati debiles inzequaliter ramosi, subbipinnati. Folia inferiora fuscidula, superiora pallide viridia, vix fragilia, imbricata, squarrose patula, late semicordato-ovata, apice rotundata, auricula antica circinata caulem transeunte ; lobulus minutus, folio 5-plo TRANS. BOT. SOC. EDIN., VOL. XV. E 34 FRULLANIA, [TRACHYCOLEA minor, suberectus cauli contiguns galeatus vel compresso-companu- latus ; cellule parvule pallide opacz, pariete sinuoso-incrassato, intus profunde stellate. Foliola contigua foliis haud duplo breviora oblato-orbiculata brevi- emarginata, sinu dentibusque acutis obtusisve, basi subangustata amplexantia. Flores dioici: 2 in ramo seepe abbreviato terminales. Bracteze intime foliis diimdio longiores subpatule, lobo oblongo rotundato, lobulis bracteolaque angusta bifida connata laciniatis vel spinoso-serratis. Perianthia viridia semiemersa rectangulari-oblonga ex apice rotundato longirostria acute triquetra, antice obtuse 1-carinulata, facie tota (basi apiceque levibus exceptis), ad carinas preecipue squamulosa, squamulis pallidis foliaceis, subulatis vel ovato-lanceolatis, integris vel varie laciniatis. A F. laciniosa, Lehm.; ‘Syn. Hep.’ 415, insula Java oriunda, distineta lobulis parvis et perianthiis facie antica 1- (nee 3-) striatis. A F. squarrosa Nees differt foliis dimidio majoribus vix obliquis, lobulis dup!o minoribus ; foliolis pro ratione multo minoribus brevi-emarginatis (nec ad 4 usque bifidis) ; perianthiisque dimidio longioribus squamosis (uec solum papillosis). 24, FRULLANIA LATIFLORA, Spruce. Hab. Ad cataractam Maypures fluminis Orinoco in cortice. F *8x ‘66, lob ‘2-25, ¢ A; fla 4x °4, 5x55; br “9; br'* 9x85 (explanata) ; per 1°6 x 15mm. Viridis prostrata subimplexa ; caules pollicares vage ramosi. Folia (parum fragilia) imbricata, plus minus squarroso-recurva, oblique cordato-ovata rotundata; lobulus fere 4plo brevior cauli sub- contiguus galeatus (obtuse conicus v. extinctoriiformis) ore hori- zontali ; cellule pallid sed opacz parvule subconformes. Foliola contigua foliis fere duplo breviora obovato-rotunda ad } obtuse bifida, segmentis subacutis, subplana undulatave, basi margine leniter reflexa unde subcuneata videantur, integerrima vl (superiora (augulato-denticulata. Fl. dioici: Q terminales; bractez intime foliis c. vix longiores carinate, bifidee, lobo antico paulo majore obtuso, lobulo ovato-lanceolato sub- acuminato ; bracteola utrinque altiuscule connata, (lacinula una alterave in sinu) carinata bifida, segmentis forma magnitudineque lobulorum. Perianthia foliis fere duplo longiora albida obovato-orbiculata triquetra carinis dilatatis compressis rudimentarie alatis, ala eroso-denticulata, ceterum levissima nec papillosa; facie antica vel convexula vel l-carinulata, postica loco carinz unice valid adsunt raro carinz 3 minores. F. squarrosa, Nees, huic peraffinis, differt lobulis subduplo majoribus ; ore obliquo ; foliolis multo latioribus dentibus apiculatis, et perianthiis oblongis tuberculosis. Tab. I. ans Bot. See. Edin. Vol.XV. pg a F.Huth, Litt Edirt KR Eraithwaite ad nat. del. SP HRs O 1G PrneA TAY PRUEEAN LA. Trans. Bot. Soc. Fda. Vol. XV. Tab. UW, 244 y SARNSANS Te , Ss =aee fee ors Bnei ay ~“ . as G SI a RRS Ny ERY DAVY 4 +3 a RE , pike 4 R Braithwaite admat. del. ¥ Ruth Lith? Edir® EERE Wee sPAGN WA Suni Ome Nees Tim) Ulla AL TRACHYCOLEA | FRULLANIA. 3D 25. FRULLANIA HIRTIFLORA, Spruce. Hab. Banos, ad pedem montis Tunguragua, alt. 1800™, in imis truncis et saxis, F 9x °6, lob 3-35, c 255 f! 5x3; br 1:25; per 25x 1:25™™, Tenella pallide viridis. Caules pollicares prostrati implexi vage vel subpinnatim bis terve divisi. Folia tenera subimbricata convexa obovato-oblonga rotundata, valde ineequilatera, basi antiea semicordata caulem late transeuntia ; lobulus 3plo fere brevior cylindraceo-galeatus, basi cauli con- tiguus, subobliquus ; cellule parvee pallidee opacule, omnes fere eequimagne. Foliola subdistantia foliis fere duplo breviora euneata, ad 1-4 acute bifida, laciniis acutis, medio margine utrinque angulato-1—2-dentata, radicellis rubris stellato-patulis. Flores dioici: ? terminales. Bracteze intimee foliis majores, brevissime connate, lebo superne recurvo rotundato integerrimo, lobulo acuminato repando basi 1-laciniato; bracteola bifida, segmentis acuminatis repandis v. subincisis, basi utrinque seepe 1-laciniata. Perianthia alta emersa obovata compresso-trigona ex apice retuso longe rostellata, facie tam antica quam postica obtuse 4-plicata-striatave, papillis longis (villisve) seepe hamatis ubique (ad liras precipue) hirsuta, demum apice trifida, Villi 8-cellulas longi, cellulam unicam, vel basin versus 2- (raro 3-) cellulas lati. Fr. Lindbergiana, G.! Mex. Leverm. p. 240, in adnot.,a cl. G. A, Lindberg in Brasilia australi lecta, differt foliis foliolisque latioribus sub- orbiculatis, lobulo multo majore (=3-3 folii, nec solum 4 ac in nostra) ; involucris serrulatis spinulosisve ; et perianthio ovali-triquetro esulcato, quamvis tam hirto quam Fr. hirtiflore.—F. tuberculata L. et L. cum nostra foliolis parvis cuneatis angulato-dentatis fere congruit, distincta tamen foliis parum ineequilateris, oblongis nec obovatis, cellulis basalibus magnis in orbem dispositis, et perianthiis esulcatis minus papillosis. Suscenus II].—HOMOTROPANTAHA, S. Plante robust speciose tripinnate stratificate. Folia conferta patulo-decurva, siccando devoluta, cordato-suborbiculata, lobulo minuto concheformi, cucullato vel szpius clavato-saccato, cauli contiguo, in plurimis reflexo; cellule mediocres intus 6- sinuate. Foliola conferta foliis vix minora orbiculata vel subreniformia emargi- nata, raro integra, Flores monoici creberrimi, ad ramos ramulosque laterales, fceminei assurgenti-secundi. Bractez ? 5-jugs, intimee foliis sat majores, lobis latis acutis subintegerrimis, lobulis bracteoleque libere seg- mentis acuminatis plerumque laciniatis. 36 FRULLANIA. [HOoMOTROPANTHA Perianthia breviuscula ovali-trigona, utroque fine angustiora, apice vix rostellata. Calyptra inferne 2c. crassa. Andrecia folio axillari sublongiora ; bracteze dens plurijuge. Hab. Ad arborum et fruticum ramules in terris calidis. Distr. Species perpauce cognite, neque adhuc inter se bene definite, regiones «quatoriales, orientales preecipue, habitant; earum, una (in ditione Amazonica unica) per terras intertropicales totas dispersa, habitationum viciniam pro more diligit. Obs. The few species composing this group have a peculiar habit, from the robust tripinnate stems and numerous lateral secund perianths The large leaves and stipules are not unlike those of the Chonanthelie ; but the niinute leaf-lobules—usually reflexed and appressed to the stem —are widely different. In the trigonous perianths it agrees with Trachycolea, Meteoriopsis and Thyopsiella, from all of which it is separated by the monoicous inflorescence and by other characters. Fr. replicata, Nees in Mart. Fl. Bras. (published afterwards in ‘Syn. Hep.’ as Fr. Thwilleriti—a Mat. specific name of Schwaegrichen’s) is found all round the world, in countries on and near the equator; and like Fr. squarrosa, gibba, and a few others, probably owes its wide distribution partly to the involuntary agency of man, from its almost: invariably clinging to the twigs of the domesticated shrubs (such as Crescentia Cujete) which accompany him in his migrations. Specimens from Ceylon, Sumatra, etc., quite correspond to my 8. American ones ; nor can I safely distinguish them from Javan specimens of Fr. nodulosa, Nees. | 26, FRULLANIA REPLICATA, Nees. Jung. replicata Nees in Mart. Fl. Bras. ; J. Thuillert Schwgr. Mss., “Syn. Hep.” 434. Hab. In sylva Amazonica hic illic sparsa, habitationibus vix unquam remota, arborum domesticarum ramos infestans, locis Paré; fl. Ramos, Bombonasa, Uaupeés, etc., ripis. F 1:25 x 1:25-1°4, lob 15, ¢ gy 3 f4% 12X12; br 20; per 18x -9™™. Caules 3-pollicares validi, e rufo nigrescentes, arcte tripinnati, horizon- taliter stratificati intricative. Folia viridia, state fulva rufave dense imbricata patulo-decurva late cordato-ovata fere orbiculata, seepius latiora quam longa; lobulus minutus, ad caulem ramosque galeatus, cucullatus vel solum cochleatus, oblique divaricatus, ad ramulos clavato-saccatus subrecte reflexus caulique contiguus ; cellulle mediocres zequilatere, e pariete valde nodoso-incrassato intus 6—10- (szepius 8-) sinuatz, subconformes, inferiores perpaulo majores, Foliola imbricata foliis fere equimagna orbiculata decurrentia, ipsa basi subcordata, apice emarginata sinu triangulari, dentibus acutis vel eee ad axin profunde canaliculata, alis superne valde reflexis. Flores monoici crebi: @ laterales, plerique ramuligeni, pauci ad ramos primarios, nulli ad caulem, assurgenti-secundi. Bracteze sub 5-juge, 1 e minute zquilobe, superiores sensim majores late patentes HOMOTROPANTIHA | FRULLANIA. 37 inzequilobe complicate, intime lobo lato subacuto subintegerrimo, lobulo duplo minore bracteoleeque liberee segmentis acuminatis laciniatis. Perianthia vix emersa ovalia trigona erostria, angulis apicem versus oreque scaberula. Calyptra perianthio vix duplo brevior obovato- pyriformis 2 cell. crassa, lemum apice inequaliter bivalvis. Capsula in pedicello brevi vix emersa, rufa spheerica profunde 4-fida, valvis recurvis. Elateres elongati angustiusculi, spiram tenuem laxe torquatam includentes. Andreecia ramigena subglobosa vel late ovoidea, folio axillari longiora ; bracteze plerumque plurijugze confertissime. Ad fl. Uaupés adest forma foliolis valde confertis reniformibus, bractearum lobulis bracteolisque margine undulato-crispis subinteg- errimis. Obs. The female branchlets are decidedly lateral, chiefly on the secondary branches, less frequently on the primary, never on the stem. They often alternate—springing first from one side of the branch, then from the other,—but as they all arch upwards, they seem, at first sight, to be seriate along the upper face of the branch. The leaf covering the base of each branch (leafy or floriferous) is wider than the rest, and more symmetrical, while the lobule is frequently evolute and the interlobule is enlarged (oblong, acute) and subtends the underside of the branch.—This interlobular process is usually quite wanting to normal stem-leaves. The different form of the cauline and ramuline lobules seems to almost break down the difference between J’, replicata and the E. Indian I’, nodulosa Nees. Suscenus IV,—METEORIOPSIS, S. Plante elate stratificatee rufescentes vel fere atre. Caules pro more penduli longissimi laxe pinnati bipinnatique, ramis breviusculis, apice ad Meteortt (generis Muscorum) instar indefinite crescentes. Folia dissitiuscula, basi profunde cordata convolutivo-amplexantia, sub- triangularia pro more acuminata integerrima opaca ; lobulus 3-8plo brevior cauli appressus (erectus) tenuis cylindricus, rarius evolutus ; cellula paryee seepe subelongate, pariete incrassato. Foliola foliis subduplo breviora anguste oblonga bifida, alis interdum recurvis, margine ipso autem plano. Flores dioici: @ in ramulo brevissimo insidentes, quasi-laterales. Bracteze 3-4-jugie, intime foliis plerumque sat longiores, profunde bifidee compheatee inequilobee, lobis omnibus pro more acuminatis serratis laciniatisve, raro subintegerrimis ; bracteola libera segmentis subulatis. Perianthia trigona longirostria levia. Calyptra inferne 4 c. crassa. Andreecia vel ramulo folium axillare subexcedente constantia vel rarius in ramo terminalia, Hab, Ad arborum ramos et folia necnan ad saxa in sylvis montium tropicalium opacis, ad crinis pulcherrimi instar longe pendula, muscis 38 FRULLANIA. [METEORIOPSIS simili habitu (Meteoriis, Phyllogoniis, etc.) perseepe consociata ; rarius etiam ad filices. Distr. Species pauce nobis cognite inter tropicos totius orbis vigent. Ipse in Andium Quitensium et Peruvianorum devexis sylvaticis 4 species solum legi, quarum una, Fr. atrata Sw., a Mexico et ins. Antillarum ad Brasiliam australem dispersa est. Obs. Melius forsan pro subgeneris sequentis sectione habenda, differt autem a Thyopsiellis cladocarpicis caule indefinite elongato, foliis basi utrinque cordatis (nec solum antice semicordatis) caule circumvolutis, et foliolis angustis. The few species composing this group inhabit only the dampest hill- forests in tropical America, growing on rocks and the branches of trees, from which one of them, Fr. atrata Sw., depends in huge masses, sometimes half-a-yard long, and too bulky to be grasped in the arms. Its black-purple hue is often relieved hy the admixture of mosses of similar pendulous habit, especially bright-green Meteoria, and silvery or golden Phyllogonia. It is found from the West Indies and Mexico to Southern Brazil and Peru, but I never met with it (nor with any other of the group) in the plains; wherefore I suspect that it has been erroneously indicated as growing on the Amazon and Orinoco. With Meteoriopsis might have been combined the cladocarpous species of the following subgenus (Thyopsiella) ; the latter, however, differ in the definite stems and consequently more compact habit ; in the semi- cordate leaves (not equably cordate, or auricled on each side of the base) which are not convolute when fresh ; and in the much larger and wider underleaves, with recurved or revolute margins. Otherwise, along with Meteoriopsis, they might rank as a mere section of Thyopsiella. 27. Fr. atrata,—Atro-rubens longissima laxe subbipinnata. F. cordato- ovata acuminulata acuta, lobulo 4plo breviore tenui, ¢. mediis elongatis. Foliola (=folii 2) ovali-lanceolata breviter bifida segmentis acutis, Br. intime foliis duplo longiores acuminate subserrate recurve. Per. vix emersa ovato-fusiformia sensim longirostria. 28. Fr, atrosanguinea.—Priori similis, flaccidior, colore saturate sanguineo ; foliis solum acutis—interdum obtusis, cellulis conformibus ; foliolis majoribus ; br. folia vix equantibus haud acuminatis, lobulis ciliato- laciniatis ; per. emersis ex apice lato abrupte longirostribus, differt. 29. Fr. Perwviana.—Pallide viridis. FF. cordato-ovata triangularia acuminulata, margine interdum lenissime recurvulo, lobulo 3plo breviore sepe evoluto. Foliola 2plo breviora oblonga ad 4 bifida, segmentis acutis. Br. foliis longiores, lobis inciso-serratis, lobulis 2- plo angustioribus prelongis segmentisque bracteole complicate sublaciniatis. Per. avali-fusiformia rostello prelongo solo emersa. 30, Fr. aculeata.—Atro-rubens minus elongata. FF. biauriculato- cordata triangularia setaceo-acuminata, lobulo preminuto tenui, c. omnibus elongatis. Foliola plus duplo breviora lineari-oblonga ad 4 bifida, segmentis subulato-setaceis. Br. foliis longiores bracteolaque bipartite, segmentis longe setaceo-acuminatis subintegerrimis. Per. immersa triquetro-fusiformia longissime rostrata. 27. FRULLANIA ATRATA (Sw.). Jung.atrata Sw. Prodr, Flor, Ind. occ, 144; Frullania a. Nees, ‘Syn. Hep’. 464. » METEORIOPSIS | FRULLANIA. 39 Hab. In Andium Quitensium sylvis montanis, supra montes Tunguragua et Guayrapata precipue, alt. circiter 3000. ex arborum ramis pendula; in planitie nusquam vidi ; ad flumina Amazonum et Orinoco tamen in ‘Syn. Hep.’ (per errorem ?) indicata est. Caterum, in montibus totius fere Americze tropicee haud raro ocurrit. F 12x°‘9, lob ‘3, ¢ A-py; ff °75x°35, “75x35; br 25-30; per 25x10. Caules longissimi, pedales vel etiam bipedales, capilliformes, laxe symmetrice pinnati et bipinnati, in fasces magnos nigrescentes pendulos coacervati. Folia subimbricata dissitave e rubro atra opaca cauli circumvoluta late cordato-ovata acuminulata apiculatave ac .ta integerrima interdum repandula ; lobulus 4plo brevior caul: contiguus parallelusque tenui-cylindricus ; cellule parve, medi subelongate, ceterze sub- quilaterze, pariete incrassato. Foliola dimidio folio longiora ovali-lanceolata (ex alis recurvis lineari- oblonga videntur) breviter bifida, sinu tenui, segmentis acutis margine recurvis. Flores dioici : 9 in ramulo valde abbreviato terminales, quasi laterales, Bractez 3-4-juge, extimz parve, intime foliis caulinis 2plo et ultra longiores, basi erectz, apice plus minus squarroso-recurve liberz subserratee complicato-bilobx, lobis oblique lanceolatis acuminatis, lobulis bracteoleque complicate laciniis apice suvulatis. Intra florem pro more adveniunt folia 1-3-juga minuta normaliter saccato- lobulata. Perianthia vix emersa nigra anguste ovato-fusiformia trigona in rostellum longum subsensim attenuata. Calyptra duplo brevior, brevi- pyriformis albida, infra medium 4 ¢. crassa, apice demum ineequaliter 4-valvis. Pedicellus perianthio vix longior, infra perianthii apicem rima laterali emergens, albidus opacus, cellulis angustis conformi- bus conflatus. Capsula globosa rufo-badia, profunde 4-valvis, cellulis bistratis, exterioribus latioribus intus nodosis, interioribus fibra spirali carentibus ; elateres capsula vix duplo breviores, valvularum dimidio supero adfixi, late unispiri, demum (capsula evacuata) devexi. Spore magne elateribus plus duplo latiores augulatie rufo-tuberculose. Plant mascule tenuiores, Androecia ramulo minuto constantia, oblongo- globosa subcompressa folium axillare paulo excedentia ; bractew 3—juge. Obs. The 2 flowers are secondary branches of the distantly bipinnate stem, so much shortened that all the leaves on them are (mostly) to be accounted bracts. 28, FRULLANIA ATROSANGUINEA, Tayl. in hb. Jameson. Hab. in monte Pichincha, ubi plantas 2 et ¢ legit beat. JamEson; ipse in montibus Tunguragua et Guayrapata sterilem solum legi. F1°7x1°5, lob 5x15, ¢ B—ps; f'* 13x°8; br 15; per 215x°75, rostellum *35™™. Caules penduli pedales debiles flexuosi, laxe et fere simpliciter pinnati, euulie perraris, (cum foliis) sanguineo-rubentes, apicibus noyellis avidi. 40 FRULLANIA. | METEORIOPSIS Folia dissita cauli circumvoluta cordato-ovata, acuta apiculata vel sub- obtusa, basi fere symmetrica, auriculis rotundatis, postica submajore e sinu (cauli contiguo) lobulum folio 3ple breviorem erectum clavatum compressulum proferente ; cellule parve subconformes subeequilaterze, pariete incrassato, foliolorum pallide elongatee. Foliola foliis haud multo breviora pallida ovato-lanceolata, subacuta breviter (ad }) bifida, alis recurvulis, segmentis contiguis acutis subplanis. Flores dioici: ? laterales. Bracteze intim foliis caulinis subminores ineequilobe, lobo ovali apiculato-acuto, lobulo ovato - lanceolato acuminato ciliato ; bracteola bracteis eequilonga laciniato - ciliata complicato-biloba, lobis lanceolato-subulatis flexuoso-acuminatis. Perianthia semiemersa obovato-oblonga, subtriplo longiora quam lata, ex apice lato abrupte longirostria, demum trifida. Capsula globosa 4- partita vix emersa. Amenta ¢ ramigena, folio axillari duplo longiora oblonga compressula ; bractese 6-jugee arcte equitantes cymbiformes, lobis subequalibus semilunato-obovatis ultra medium connatis. Bracteola unaalterave, parva biloba, ad amenti basin adest ; caeterze bracteolz obsoletz. A F. atrata certe diversa videtur habitu flaccidiore, colore sanguineo ; foliis majoribus haud acuminatis—interdum obtusis, cellulis mediis haud elongatis ; foliolis longioribus ; bracteis longe brevioribus, lobis haud acuminatis, lobulis ciliato-laciniatis ; preecipue autem perianthio ex apice lato rotundato longirostri. 29. FRULLANIA PERUVIANA, Gottsche. G. L. et N. ‘Syn. Hep.’ 465. In M. Guayrapurina Andium Peruvianorum, e rupibus arboribusque pendula, necnon in filice repens. “ Peruvia,” ‘Syn. Hepat.’ 1. ¢. F\0x%, 85x 6, lob'3; f* 5x3; 4x2;.4x 185 bn Tie "85, rostellum °6 ; ¢ go—ay™: Caules usque ad 12 pollices longi, tenuissimi, in czspites magnos, pallide virides flavidosve pendulos imbricati, laxe bipinnati, ramulis sepe fere capillaceo-attenuatis. Folia dissita suboblique cordato-ovato-triangularia acuminulata apicu- latave acuta, basi antica caulem late transeuntia convolutiva, ceterum subplana, vel margine lenissime recurvulo; lobulus 3plo brevior semper fere evolutus subulatus, raro saccatus subeylindricus eauli subcontiguus; cellule minutule subelongate flexuose pellucida, Foliola duplo breviora distantia oblonga (subduplo longiora quam lata) planiuscula, basi vix cordata, apice ad vel ultra 4 bifida, sinu segmen- tisque anguste triangularibus acutis. Flores dioici : ? ramulo brevissimo constantes, seepe crebri. Bracteze sub 5-jugee, interne foliis sat longiores suberectze profunde bilobz com- plicatee, lobis omnibus tenui-acuminatis, anticis lanceolatis subinciso- serratis, lobulis imo longioribus duplo autem angustioribus, seg- mentisque bracteolee angustee ad 4 usque bifidee complicate (basi cum altera bractea connatee) laciniatis. Perianthia pallida ovali-fusiformia alte obtuse trigona sensim rostrata, rostello praelongo solo emerso, METEORIOPSIS | FRULLANIA. 41 . 30. FRULLANIA ACULEATA, Tayl. Lond. Journ. Bot. 1846, p. 407 ; G. L. et N. Syn. Hep. Hab. Andes Quitenses, prope Cuenca, pl: ¢ (JAMESon in hb. Hook.) ; in M. Chimborazo, alt. 1500™, ad ramulos legit R. Spruce pl. 9 cum perianthiis, m. Aug. 1860. In insulis Galapagos legit DARWIN. F 18x-°7, 16x ‘6, lob 2-25, ¢ Jy; fit -8x'3; br 25-30; per 22x 10mm, Elatiuscula e rubro atra stratificata seepe pendula. Caules 3-6-pollicares tenues fragiles laxe pinnati subbipinnative intricati. Folia laxe imbricata late patula siccando szepius falcato- subsecunda, e basi biauriculato-cordata concavo-amplexante triangularia, in acumen subulato-setaceum flexuosum attenuata ; lobulus sub 8plo brevior tenuis cylindricus cauli appressus basi bifidus ; ; cellule 2,"™ longe, latitudine dimidio minores, rectangulares rhomboidezve, omnes fere eequales, paucissime basales subrotundz. Foliola plus duplo minora dissita lineari-oblonga ad 4 bifida, segmentis subulato-setaceis, basi perpaulo latiora subcordato - amplexantia, ceeterum subplana. Flores dioici :? in ramo primario valde abbreviato terminales. Bracteze confertze subappressee, intimez majuscule liber bracteolaque bipartite, lacintis omnibus subzequimagnis longe setaceo-acuminatis integerrimis vel supra basin posticam unidentatis. Perianthia immersa triquetro-fusiformia equilatera longissime rostrata demum apice trifida. “ Andreecia lateralia sessilia oblongo-rotunda ” (Tayl. 1.c.). Planta omnium Frullaniarum quam maxime singularis! aspectu Hypnum elodes potius quam ullam hepaticam referens. Suscenus V.—THYOPSIELLA, S. Elata stratificata, procumbens, erecta vel seepe pendula, pinnata 2-3- pinnatave, eleganter thyoidea, rufa pallidave, raro virescens nigres- censve, caule determinato nec indefinite prolongato. Folia imbricata patula, in sicco perseepe convolutiva, concava in plerisque, margine toto incurvulo, in paucis planiora margine (saltem postico) recurvulo, semicordato-ovata-oblongave szepe abrupte apiculata, raro acuminata vel mutica, pro more integerrima ; lobulus cylindraceus cauli subcontiguus et fere semper parallelus—raro parum divergens —szpe evolutus ; cellule plerumque parve, pariete incrassato. Foliola in plerisque dimidium folium subexcedentia, ovali-rotunda (e margine toto recurvo ad speciem spatulata) breviter bifida, apicibus seepius acutis, basi decurrente seepissime utrinque auriculata crispa- taque ; in paucis cladocarpicis majora oblata planioraque, interdum subintegra. Flores omnium dioici: Q utplurimum in caule vel in ramo longiusculo terminales, in paucis ramulo brevissimo constantes (quasi- -laterales). Bractex 3—5-juge bilobe (complicate vel solum_ concave) pro more acuminate, lobulis bracteolisque seepissime spinulosis laciniatisve. TRANS. BOT. SOC. EDIN. VOL, XV, F 42 FRULLANIA. [THYOPSIELLA Perianthia plerumque emersa elongata rostellata, vel 3-carinata vel (in paucis) ecarinata cylindrica, in paucissimis pluricarinata, leevia. Calyptra infra medium 4-6 cell. (rarissime solum 2 cell.) crassa. Capsula globosa. Andreecia ramigena, ramulo brevi compresso-globoso vel oblongo con- stantia ; bracteze 3-6-jugz arcte equitantes subeequilobe diandre. Hab. Subgenus revera sylvestre, hominum vestigia pro more effugiens, nullis terris exul, in tropicis montanis sylvestribus valde frequens, in temperatis in planitie quoque degens, arboricolum et saxicolum. Distr. Ipse in America zquatoriali 13 vel 14 species, omnes in devexis Andium sylvaticis inter 330 et 4000", nullam in planitie Amazonica, legi; earum una (Fr. Brasiliensis), valde varians, per Americam tropicam in montibus ubique inventa est, aliz pauce jam ante in Nova Granata, Mexico, etc., a Lindigio, Liebmanno aliisque lectz fuerunt ; plereeque tamen nove videntur. Cveterze plurime species ab auctoribus jam ante descripte in terris tropicis et subtropicis Americz precipue crescunt, alize autem in Asia et Africa necnon in insulis Oceanicis indigenz sunt. In Europa species 3 vy. 4 habemus, quarum una, Fr. Tamarisci, in tota zona temperata boreali dispersa est. Of all the subgenera of Frullania this is the most widely distributed and the richest in species, of which all have the same somewhat rigid feather-like habit, and convex shining foliage as the common Fr. Tamarisei of our trees and rocks, recalling a branch of Arborvite. They grow in dense depressed patches, usually of a reddish hue—rarely pallid or black- ish—scarcely ever greenish. The plants are rarely shortened to an inch, and sometimes reach 6 or 8 inches in length, and they are regularly and closely bipinnate—rarely simply or triply pinnate. The leaves are mostly semicordato-ovate, more or less concave, especially at the apex, which is usually abruptly apiculate—rarely acuminate or muticous, very rarely serrulate. The small lobule is almost contiguous to the stem throughout its length ; normally it is a slender conico-cylindrical sac, but very often it is evolute and lanceolato-subulate. A minute process (“stylus”) is sometimes interposed between the lobule and the stem, but is oftener obsolete. Leaf-cells small, often subelongate (rhomboidal), with thickened walls, distinctly sinuate within. The underleaves are always longer than half the leaf, broadly oval—very rarely wider and reniform or orbicular, shortly bifid, with the margin in most species strongly recurved all round, often narrowly cordate—or rather sinuato-biauriculate —at the base, the auricles sometimes projecting laterally (subhastate) ; in one species (fr. bicornistipula) they are nearly as large as the leaves, reniform, nearly entire, but with a slender horn-like process at each angle of the widely retuse apex. The inflorescence in all is dioicous ; the 2 flowers terminal on primary or secondary branches, in a few species quasi-lateral (cladogenous). Bracts in 3 to 5 rows, mostly free, larger than the leaves, acuminate and often dentate or laciniate, especially as to the lobules and bracteoles. Perianth elongate, normally trigonous —unicarinate beneath ; but in a few species it becomes inflated and cylindrical, losing all trace of keels, and at the apex is abruptly narrowed into a long tubular beak. In two 8. Brazilian species, the trigonous © perianth becomes pluricarinate, by the addition of intermediate keels of slighter elevation. The Thyopsille are all truly wild plants, and as a rule avoid the THYOPSIELLA | FRULLANIA. 43 proximity of man. Yet they are not so often found buried in the depths of the forest as bordering mountain-streams, where they form a broad horizontal fringe on each side of the twigs of bushes and trees, or creep over and hang in tufts from branches and rocks. On bushy, stony hill-sides in the Andes, and on old lava streams scantily clad with a shrubby vegetation, where they are alternately exposed to a burning sun, and cooled and moistened by clouds that are rarely absent from the mountain-side for many hours together, as well as by the frequent heavy rains, is where they seem to most luxuriate. From the Amazonian plain they are apparently quite absent—unless a few exist near the sea- board, as they do farther north in the Guianas, and to southward in Brazil ; but from the mouth of the Amazon to the base of the Andes I did not meet a single species. In ascending the Andes the cladocarpous species are the first to appear, at about 400 metres, and they ascend no higher than 1600 metres. They are fine large-leaved plants, and at first sight look more like Madothecas than Frullanias. Low bushes of a Pilea, on the western declivity of the conical hill of Lamas, in the Peruvian Andes, are almost completely overrun with Fr. madothecoides S. and a large Lejeunea (L. devoluta §.); Fr. bicornistipula grows both on the eastern side of the equatorial Andes (cataract of Agoyan, 1600™) and in the red-bark woods of Chimborazo, at 1200™, on the western side, The acrocarpous species begin to appear on the slopes of the Andes at about the height where the cladocarpous species disappear, and probably extend upwards to the limit of arborescent vegetation, although I do not seem to have gathered any above 3500 metres. Fr. Brasiliensis (includ- ing its subspecies Fr. cylindrica, and several varieties) is as widely and commonly distributed in the mountainous parts of tropical S. America as Fr. Tamarisct in Europe, and is still more variable, but always preserves its perfectly smooth cylindrical perianth. Absent from the great plains of the Amazon and Orinoco, it abounds inthe middle wooded region of the Andes, on both sides of the chain, and all through the mountains of South Brazil, as well as in the West Indies and Mexico. Along with it, in the Peruvian and Quitenian Andes, grows Fr. strobilantha S.—a beautiful species, with acuminate leaves, and involucres that simulate fir cones, from the large turgid, chaffy, closely-packed bracts with recurved points. I gathered some fourteen species of Thyopsiella in the Andes, but the total number of known species in the world reaches perhaps thrice that number. Fr. Tamarisci occurs throughout the north temperate zone, but scarcely overpasses its limits. Abundant in Europe, it is much rarer in America, where it is partially replaced by an allied species, Fr. Asa- grayana. We have besides it in Europe two or three other species ; N. America and the Atlantic islands furnish a few more ; but the great bulk of the species are tropical, especially S. American and Malayan. A few Cape species have been identified with Indian, but it is doubtful if any Asian and American species be really identical ; and the Austra- lasian species seem all peculiar. I. Chapocarpica.—Flores 2 quasi laterales, ramulo brevissimo constantes. Forsan melius cum subgenere antecedente (Meteoriopsi) conjungende, distant autem species caule determinato, nec indefinite prolongato, et foliolis magnis latis. 31. Fr. bicornistipula.—Elata subtripinnata. F. magna semi-cordato- 44 FRULLANIA. [ THYOPSIELLA oblonga abrupte cuspidata apice subdentata, lobulo minutissimo seepe basi subcalcarato. Foliola maxima reniformia subintegra apice late retuso ex utroque sinus angulo cilium corniforme proferentia. Br. subzequilobe basi ciliate, lobis lanceolatis acuminatis idem ac bracteole bifidee segmentis inciso-dentatis. Per. immersa fusiformia tricarinata. 32. Fr. formosa.—Tripinnata. F. arcte imbricata oblique semicordato- oblonga subapiculata, lobulo minuto digitiformi, vel seepe evoluto, c. mediis parvis. Foliola sat magna oblato-orbiculata basi subcor- data, apice ad 3 bifida, segmentis subapiculatis. Br. bracteola- que bifide ciliato-laciniate, laciniis crispis imterdum iterum lacinulatis. 33. Fr. madothecoides.—Elata bipinnata. F. semicordato-ovata subapicu- lata raro mutica, lobulo semper evoluto, c. mediis mediocribus. Foliola foliis } breviora oblongo-orbiculata subdecurrentia apice fere ad } bifida, segmentis acuminulatis, margine utrinque 1-vel pauci- dentata. Br. spinulosze, bracteola ciliato-laciniata. II. AcrocarPica.—Flores 9 im ramo longiore, swepe wterwm ramoso, terminales, A. Folia margine postico recurvo, antico incurvo. a. Perianthia apice saltem trigona. 34. Fr. strobilantha.—Elata bi-tripinnata. F. cordato-ovata subacuminata apiculatave, seepe apicem versus serrulata, lobulo parvo, caulino semper evoluto. Foliola $ breviora ovato-oblonga cordato-amplexi- caulia, apice ultra 4 bifida, laciniis acuminatis acutis recurvis. Br. 3-jugee magni ventricoso-coneave paleaceze subsequilobe, lobis acuminatis interdum apice serrulatis ; bracteola magna orbiculato- ovata, basi turgida, apice breviter bifida, laciniis angustis perseepe integerrimis. Per. vix emersa ovali-fusiformia, supra medium trigona, demum profunde 5-fida, laciniis apice cohzerentibus. 35. Fr. Beyrichiana.—Bipinnata. F. cordato-ovata apiculata, lobulo majusculo seepius evoluto. Foliola late oblonga ad 4 fere bifida, segmentis acutis, basi utrinque auricula crispa aucta. Br. 3-jugz foliis paulo majores profunde complicato-bilobe, ad sinum 3-laciniate, lobis omnibus tenui-acuminatis ; bracteola oblongo-lanceolata carinata ultra 4 bifida, segmentis sublaciniatis. b. Perianthia cylindrica, omnino ecarimata. 36. Fr. tubiflora.—Humilior arcte bipinnata. F. fere divergentia oblique ovato-lanceolata brevi-acuminata, apice seepe subdenticulata, lobulo parvo raro evoluto. Foliola oblonga basi breviter biauriculata, apice ad 3 bifida, segmentis acutis. Br. 5-juge laxe decurvo-secunde, intime magn concave vix ad 4 bifide, subintegerrime, lobis bracteoleque segmentis pungenti-acuminatis. Per. prelonga apice demum. 5-fida. B. Folia toto margine plus minus incurvo, exindeque concava. a. Perianthia normaliter cylindrica ecarinata. 37. Fr. Brasiliensis——Elata subbipinnata. F. semicordato-oblonga, ovatove-oblonga, rotundata apiculata, rarissime mutica, lobulo THYOPSIELLA | FRULLANIA. 45 4plo breviore. Foliola haud duplo breviora late oblonga breviter bifida, segmentis apiculatis, basi utrinque sinuato-auriculata, margine toto valide recurvo. Br. foliis $ longiores subzquilobe, lobis subacuminulatis, posticis idem ac bracteole segmentis sub- spinulosis laciniatisve. Per. alte emersa longirostria demum plurifida. b. Perianthia trigona. 38. Fr. closterantha.—Gracilis bipinnata. F, subimbricata divergentia semicordato-ovalia abrupte apiculata, lobulo cauli contiguo vel sepissime evoluto. Foliola majuscula obovato-oblonga breviter bifida, segmentis acutis, basi anguste biauriculata. Br. iis Br. Brasili- ensis subconformes. Per, alte emersa tenui-fusiformia valde obtuse trigona rostellata ore demum 4~6-fida.—Var. Canelensis. lata tenuis tripinnata, F. vix imbricata oblongo-rotunda apiculata, lobulo 3plo breviore fere semper evoluto. Foliola fere duplo breviora late oblonga ad 4 bifida, segmentis acutis, basi sinuato- biauriculata. Br. foliis longiores, lobis acuminatis, lobulis duplo minoribus bracteolaeque segmentis angustis laciniato-ciliatis. 39. Fr. rigescens—Elata robusta imeequaliter 2-3-pinnata. F. arcte imbricata semicordato-oblongo-rotunda obtusata cum apiculo minuto, auricula antica magna crispa, lobulo minuto sepius evoluto. Foliola majuscula orbiculata, basi parvi-biauriculata, apice ad 4 bifida, segmentis subapiculatis. Br, confertissimz, lobis longe apiculatis _ spinulosis, lobulis bracteoleeque magnze segmentis longissime flexuoso- laciniatis. Per. alte emersa fusiformia, supra medium obtuse 3-4- gona, sensim rostellata.—Var. mollicula, magis regulariter pinnata, ” foliis paulo angustioribus, foliolis conformibus, bracteis autem pro more integerrimis, bracteola raro lacinia una alterave aucta ; perianthiis longe tenuioribus triplo longioribus quam latis. 40. Fr. clandestina.—Elata valida 2—3-pinnata. FF. subimbricata semi- cordato-orbiculata minute apiculata valde concava, lobulo fere 4plo breviore nunquam evoluto. Foliola magna cordato-orbiculata basi subcrispula, apice emarginata, sinu lato triangulari, segmentis preelatis acutis. 41. Fr. Sabanetica.—Elongata pendula laxe bipinnata. F. subimbricata semicordato-ovato-oblonga subacuta tenui-apiculatave, margine supero involuto, lobulo tenui interdum evoluto, Foliola haud duplo breviora subrectangulari-oblonga ad } bifida, margine basi recurvo. Br. maxime foliis fere triplo longiores subintegerrime, lobulis bracteoleeque profunde bifidee segmentis tenuissime acuminatis. Per. emersa nigricantia fusiformia trigona, carinis lateralibus devexis. 42, Fr. flexicaulis.—Elata pendula valde flexuosa inequaliter pinnata. F. subimbricata late cordato-ovata apice valde decurvo rotundata, mutica, lobulo tenui cylindrico-companulato. Foliola ovato-oblonga angulato-repanda, ad } bifida, segmentis acutis, basi obtuse sub- hastata. Br. lobis ovatis obtusatis subimtegerrimis, lobulis bracteol- eque segmentis longe acuminatis crispato-laciniatis. Per. alte emersa nigricantia obovato-oblonga triquetra subtruncata longi- rostria, 43. Hr, hematocysta.—Nigro-sanguinea subpinnata. F. late imbricata late cordato-ovata brevi-acuta subapiculata concava, lobulo majusculo crasse cylindrico paulo divergente. Foliola orbiculata subdecurrentia emarginata, dentibus acutis, margine infero valide recurvo. 46 FRULLANIA. [ THYOPSIELLA 31. FRULLANIA BICORNISTIPULA, Spruce. (Tas. II.) Hab. Andes Quitenses, ad pedem montis Tunguragua juxta fl. Blanco ostia et in montis Chimborazo devexis occidentalibus, alt. 1500™, in arborum ramulis. F23x1:3, 20x11, lob 15-2, ¢ 2; f* 15x20, 14x18, br# 2°25 x 1:05 per 2.0x"75 2% Elata pendula olivaceo-virens rufulave. Caules 3-6-pollicares im- bricati bi-tripinnati, ramis dissitiusculis. Folia imbricata divergentia subplana oblique semicordato-oblonga vel subovata abrupte cuspidata, apicem versus paucidentata, angulata, vel integerrima, basi antica caulem longe transeuntia, postica sinuato-lobulata, margine toto lenissime recurvula ; lobulus pree- minutus folio 12-15plo brevior, cauli subcontiguus parallelusque, basi in calear breve seepe productus ; cellule parvule subelongate opacee, pariete incrassato intus 6-sinuato, subsequimagnee, infime sole cxeteris multo majores discoloresque. Foliola imbricata maxima, latiora quam longa, reniformi-orbiculata, rotundata, retusula vel late subemarginata, ex utroque sinus angulo cilium corniforme 2™. longum, cellulis 7-8 uniseriatis conflatum, rectum v. curvatum, proferentia, fere planissima, solum juxta basin canaliculatam amplexantem margine recurvula. Flores dioici': ? crebri, ad ramos primarios, raro ad secundarios, nun- quam ad ipsum caulem, ramulo abbreviato constantes, quasi-laterales. Bractz 5-6-juge, suberectze confertz, intimz foliis paulo longiores brevissime connate ad 2 bilobe, lobis lanceolatis acuminatis eequilongis, postico angustiore, ipsa basi ciliis paucis longis ornate, dein brevi spatio integree, ad lobos profunde inciso-dentatz ; bracteola longe cuneato-oblonga ultra 4 bifida, eodem modo ac bracteze inciso- dentata basique ciliata ; br. inferiores sensim minores liberze minus dentatze, lobulo tamen evoluto, infima minuta sola nonnunquam saccifera vel etiam ad solum sacculum redacta. Pistillidia 2. Perianthia immersa, inferne rufa apice pallida, fusiformia tricarinata sensim rostellata brevia, demum trifida. Calyptra subglobosa tenuis, dimidio inferiore 2 cell. crassa. Capsula globosa, stratis cellularum duobus conflata. Elateres a medio valvularum ad apicem usque sparsi, persistentes elongati utrinque truncati late unispiri, plerumque nudi, folliculo dissoluto.. Sporze maximz, elaterum diametro 4plo latiores, flavee angulate pulchre rufo-tuberculatz, tuberculis humili- bus crebris ezquidistantibus. 32. FRULLANIA FORMOSA, Spruce. Hab. Ad pedem Andium Quitensium orientalem, secus fluvium Bom- bonasa, in arborum ramulis. FUOXOT GY Abc eT 6x 7; br Toe Elata rufo-badia horizontaliter patula. Caules 3—pollicares tripinnati, frondem triangulari-plumeformem sistentes. Folia arcte imbricata, subplana, apice decurvula, valde oblique oblonga abrupte acuta interdum minute apiculata, basi antica profunde semicordata (auricula subrotunda); lobulus. minutus conico- cylindricus cauli proximus et subparallelus, seepe evolutus lanceo- THY OPSIELLA | FRULLANIA. 47 latus canaliculatus, cellule parvee, plures inferiores majores dis- coloresque. Folia ramea ramulinaque longius apiculata, lobulo semper perfecte voluto. Foliola imbricata foliis aquilata, breviora tamen, oblato-orbiculata, ad 4 bifida, rima angusta, segmentis subapiculatis planiusculis, basi subcordata amplexicaulia margineque ibidem tam recurvo ut spath- ulata videantur. Flores dioici: Q quasi-laterales secus caulis ramorumque primariorum apicem oriundi, crebri, assurgenti-secundi. Bracteze 5-jugee confertee recurvo-patule complicate subeequilobee, intimze foliis 4 longiores acuminulat, bracteolaque bifida toto fere margine pulchre ciliato- laciniatee, laciniis flexuosis aliis iterum lacinulatis ; bracteze exteriores sensim minores pariter laciniatee. Perianthia (valde juvenilia) trigono-prismatica rostellata. Pulcherrima species, Fr. ulotriche Tayl. et Fr. Deppit G. subsimilis, nulli autem arcte affinis. Habitu Fr. replicatam, Nees. magis refert, differt preecipue lobulis erectis nec reflexis. 33 FRULLANIA MADOTHECOIDES, Spruce. Hab. Andes Peruvianos, in monte Lamas, alt. 750", ad fruticum ramulos. F 18x 1-2, 165 x 1-1, lob “6, ¢ Ay—dy 5 f! V1 x 85™. Caules 3-5-pollicares, horizontales pendulive stratificati, bipinati, aliis ramis elongatis, aliis brevissimis fcemineis. Folia pallida flavo-virescentia vel etiam albida, solum ramorum apicem versus subrufa, imbricata, subdivergentia, planiuscula, medio parum concava, margine postico toto recurvulo, semicordato-ovata sub- abrupte acuta obtusulave, plerumque brevi-apiculata raromutica, auricula antica oblonga subcircinata ; lobulus cauli contiguus semper evolutus folio triplo brevior subulatus canaliculatus ; cellule medii folii parvule subelongatze pellucidee, basin versus sensim majores intus sinuatz, secus marginem minores subzequilateree. Foliola $ minora imbricata oblongo-orbiculata vel subquadrata vix ad medium usque acute bifida, medio margine utrinque grandius- cule 1-2-dentata, segmentis apicis planis acuminulatis integerrimis vel externe angulato-dentatis, basin versus profunde canaliculata marginibus recurvis, basi ipsi utrinque subsinuata parum decur- rentia. Flores dioici : 9 crebri in ramulis abbreviatis ad caulem preecipue, rarius ad ramos primarios, terminales. Bracteze 3-5-jugee, interiores in- crescentes recurvo-patule bipartite, lobo ovato sensim acuminato margine interno basin versus paucilaciniato, raro toto fere spinuloso ; lobulo paulo minore ovato-lanceolato spinuloso bracteola oblonga ad 3 bifida, laciniato-ciliata. Pistillidia 4-longius-cula intra perianthium valde juvenile lageniforme semirecepta. Obs. Stirps pulcherrima, inter Thyopsiellam et Meteoriopsin fere media. Fr. Griffithsiana Tayl. (e Brasilia australi) quoad flores 2 cladogenos etc. affinis, folia habet multo minora valde concava, margine toto (basi excepta) recurvulo ; folia suborbiculata basi hastato-cordata, segmentis apicis alisque valide recurvis. Quum nostratis perianthia nondum cog- nita sunt, anne eodem modo plurisulea dubium remanet. 48 FRULLANIA. [ THYOFSIELLA 34, FRULLANIA STROBILANTHA, Spruce. Hab. Andes Quitenses, ad fruticum ramulos secus fluvium Pastasa, infra Banos, alt. circiter 1500"; Andes Peruvianos, ad arbores et rupes montis Campana, alt. 1200-1500™. F 15 x°8, lob *15-"5, cd, 3 f!* 1:0 x ‘75 ; br 3:2 longe ; per 35x 15™™ Caules 2—4-pollicares in cespitem densum spe suberectum. stratificati, bi-tri-pinnati, seepe plumeeformes, ramis subdivergenti-decurvulis. Folia e pallide viridi rufo-badia, interdum albescentia, fere horizontalia, in sicco cauli plus minus circumvoluta, e basi cordata ovata suba- cuminata acutissima szpeque tenui-apiculata, integerrima v. apicem versus serrulata, margine infero toto recurvo, supero anguste in- curvo ; lobulus parvus cauli approximatus et subparallelus, fol. caulinorum semper evolutus lanceolato-subulatus canaliculatus, ramulorum saccatus breviter conico-campanulatus v. subcylindricus ore bifidus ; cellule parve subelongatz, inferiores mediz longiores discoloresque. Foliola foliis dimidio breviora subimbricata ovato-oblonga, basi lata cor- dato-amplexicaulia, apice ultra 4 acute bifida, laciniis acuminatis acutis recurvo-hamatis, alis recurvis, toto medio carinato-canaliculata. Flores dioici: 9 in ramo brevi longioreve terminales, sepe cum in- novatione. Bracteze 3-jugze rufo-flavide paleaceze basi ventricoso- concave arcte imbricate, apice squarroso-recurve, intime folia plusquam duplo excedentes, liber, subeequaliter bilobx, lobis breviuscule tenui-acuminatis integerrimis vel ad acumen serrulatis, interdum supra bracteze basin posticam lacinula auctz ; bracteola magna orbiculato-ovata acuminata, basi turgida, apice breviter bifida, laciniis tenui-subulatis serrulatis vel perseepe integerrimis. Perianthia ovali-fusiformia inferne teretia supra medium obtuse trigona acuminata sensim longirostria (rostello solo sepe emergente), demum ab apice profunde 5-fida, laciniis lanceolato-subulatis apice spe coherentibus. Andrcecia in planta tenuiore creberrima, oblongo-globosa, folio axillari longiora ; bracteze 4-7-juge iis Mr. Brasiliensis simillime. Obs. I at first thought that this might be the true Fr. macrocephala L. et L. in Lehm. nov. et minus cogn. stirp. V., p. 20, but the description in ‘Syn. Hep.’ p. 460 makes no mention of the large turgid chaffy bracts, imbricated so as to resemble a fir-cone ; nor of the fusiform perianth, tapering gradually into a trigonous beak, whose point barely peeps out from the involucre ; nor of the acuminate segments of the underleaves, which in the Synopsis are described simply as “ ovalia, bifida, laciniis revolutis.” 35. FruLianra Beyricatl, L. et Lindenb. Syn. Hep. 460. Hab. Andes Peruvianos, in M. Guayrapurina, alt. 900™, supra folia emortua filicesque: pl. ? sola, sterilis. Brasilia (BryricH). Peruvia (Porpria). Szlla de Caracas (MoRITz). F111 x "75, lob 45; ¢ fy 3 f'* 8X 55 5 fbr 155 br? 12 x76=— Prostrata rufescens. Caules 3-pollicares nigrescentes, bipinnati, ramis late patulis (angulo axillari sub 80°), frondem lanceolatam sistentes. THYOPSIELLA | FRULLANIA. 49 Folia imbricata patenti-decurvula, cordato-ovata ex subacuto apice apiculata, basi valde ineequalia antice longius supra caulem descen- dentia et transeuntia, margine repandulo postico recurvulo; lobulus fere triplo brevior, raro saccatus ovali-cylindricus, plerumque evolutus lanceolato-subulatus; cellule parvule elongate flexuose subpellucidee, pariete incrassato. Foliola vix $ breviora late oblonga fere ad } bifida, sinu segmentisque acutis, basi utrinque in auriculam sinuato-crispam oblongam producta, margine toto anguste recurvo. Flores dioici: in ramo primario terminales, semper fere innovatione ramosa suffulti. Bracteze confertee suberectze foliis longiores com- plicatee ad # alt. bilobee; lobi antici lanceolati tenui - acuminati angulati fere integerrimi; lobuli parum minores caudato-acuminati basi laciniis 3 aucti; bracteola libera (bracteis inclusa imbricataque) oblongo-lanceolata complicato-carinata ultra medium bifida seementis angustis sublaciniatis spinosisve. Fr. tubiflora 8. folia habet magis acuminata, bracteas (in ramo ? incrassato) dissitas homotropas haud caudato-acuminatas. Obs. The leaf subtending a branch is obliquely cordate—the antical auricle being slightly larger than the postical—and the lobule is repre- sented by two narrow lanceolate leaflets, whereof the outer is connate at the very base with the lobe and also with the inner and smaller leaflet : both are internal to the large lobe, or leaf proper. 36. FRULLANIA TUBIFLORA, Spruce. Hab. Andes Quitenses, in valle fluvii Pastasa, loco Antombos, alt. 1500™, ad ramulos, cum Fr. Brasiliensi et strobilantha. F 9x5, lob 2,6 gy-soi f™ “6x 4,42; br 2:0x1°4; br™ 1:9x 1-25; per 35x 1.3", Subpusilla, e rufo-purpureo nigrescens. Caules 1} -pollicares arcte bipinnati, ramis brevibus. : Folia subimbricata fere divergentia oblique ovato-lanceolata, basi anguste semicordata, apice sensim vel subabrupte breviter acuminata ibidem- que sepe angulata vel subdenticulata, margine supero anguste incurvo, infero recurvo; lobulus plus 4plo brevior cauli parallelus et subcontiguus conico-cylindricus, ore obliquo; cellule fere minutule elongate flexuoso-rhomboidez, pariete valde incrassato, plures inferi- ores multo majores. Folia ramulina sensim multo minora, eorum lobulo tamen caulinorum eequimagno, apice sxepe distincte serrulata. Foliola } minora subimbricata subappressa, oblonga (ramea angustiora) e margine toto anguste recurvo ad speciem rectangularia, basi breviter biauriculato-cordata vix sinuata, apice ad vel ultra } sub- obtuse bifida, segmentis acutis. Flores dioici: ? in ramo superne incrassato terminales; bractez 5-juge laxee decurvo-secundee (folia Sendinerw haud male simulantes),intime foliis duplo longiores ovatze valde concave vix ad 4 bifidee, segmentis haud longe sed acutissime acuminatis repandulis, postico sat minore inzequaliter bilobo vel medio margine spina aucto; bracteola late ovalis ad medium fere bifida, segmentis tenui-acuminatis integerrimis. Perianthia alte emersa, foliis fere 4plo longiora, cylindracea levissima ex apice rotundato rostellata, demum breviter 5-fida. Fr. macrocephala L, et L. perianthia (ac in nostra) ecarinata-ovata vero, nec cylindrica—hahet; foliis longe acuminatis primo visu differt. ‘TRANS. BOT. SOC, EDIN. VOL. XV. G 50 FRULLANIA. [ THYOPSIELLA 37. FRULLANIA BRASILIENSIS, Raddi. Crypt. Brasil. in Mem. di Modena, t. xix. Hab. In Andibus Quitensibus et Peruvianis sylvaticis, alt. 1000-2500", sat frequens, ad arborum et fruticum ramos. F 10x ‘6, lob 1°5, ¢ Asai f'* 65 x °5; br 1°5; per 2°75 x *75™™, Elata rufescens stratificata, procumbens y. ex p. pendula. Caules 3-6- pollicares bipinnati v. pinnatim decompositi. Folia subimbricata, angulo fere recto divergentia, subplana v. caviuscula, e basi obliqua semicordata (auricula antica circinata) oblonga, apice rotundato apiculata; lobulus 4plo brevior cauli contiguus cylindricus, seepe evolutus subulatus canaliculatus ; celluiz subminutz opace, pariete incrassato, subbasales medize multo majores discolores v. fere concolores. Foliola haud 2plo breviora contigua late oblonga basi sinuato-con- stricta longiuscule auriculato - cordata—vel subsagittata—apice ad 4-4 alt. bifida, segmentis apiculatis cucullato -recurvis, margine toto anguste valide recurvo. Flores dioici: 9 terminales; bracteze 3-4-jugze, intimee f. caulinis dimidio majores suberectze parum inzequilobee, acuminulatz vel solum acute apiculatzve, lobis anticis dente uno alterove spinulosis, lobulis cum bracteola plus minus alte connata parce spinuloso-dentatis lacimi- atisve. Perianthia bracteas fere duplo superantia, basi rufa apice albido-viridia flavidave, e basi conica cylindracea ecarinata, ex apice turgido rotundato longirostria, demum ore plurifida. Calyptra basin versus 6-cell. crassa, superne sensim tenuior. Capsula globosa exserta. Pedicellus cellulis pluristratis conformibus constans. Amenta, $ramigena folio axillari longiora compresso-globosa, basi foliis paucis rudimentariis stipata; bracteze proprie sub 6-juge arctissime equitantes suboppositze, fere dolabriformes subturgidee sequilobze, Antheridia bina majuscula tenuissime pedicellata. Bracteole lineares bidentate hine v. seepe utrinque bracteis connate. Obs. In montibus totius Americze tropic valde abundat. Fr. Brasili- ensis; in planitiebus mullibi (quantum scio) invenitur. Varietates innumeras cognoscimus; sequentes tres ipse legi. Var. cylindrica (Fr. cylindrica Gotts.) subvar. Lindigii Gotts. Hep. N. Granat. 77. Folia ovata ovatuve-oblonga, apice valide decurvo subobtuso minute apiculata. Foliola submajora fere orbiculata. Bractez seepe basi liberz, bracteolaque margine laciniate. Perianthia * apice demum 3-5-fida. Hab. Andes Quit. juxta fl. Pastasa, loco Boca del RioVerde. Cum exemplaribus Novo-Granatensibus a Lindigio lectis, in herb. amicissimi Lindbergii asservatis, perfecte congruit.— Forma heterocalyx adest perianthiis maturis fructiferisque, aliis ultra bracteas vix emergentibus, apice v. etiam fere a basi obtuse trigonis triplicatisve sensim rostratis, aliis (in eadem stirpe) forma cylindrica elongata normali. Talia perianthia abbreviata pro more in caulis apice corymbose congesta sunt. Var. elegantula 8. Tenella eleganter bipinnata, vel magis elongata ramis paucioribus inzequilongis. Folia semicordato-ovata ovatove-oblonga apice parum decurvo acuta obtusave—nunquam apiculata. Foliola basi perobscure biauriculata. Flores? ad ramos ramulosque superi- ores terminales, creberrimi; bractearum lobuli bifidi sublaciniati— THYOPSIELLA | FRULLANIA. 51 interdum fere cequaliter 4-fidi; bracteole segmenta integerrima vel sublaciniata. Perianthia iis F’, brasiliensis conformia, apice demum sub 8-fida.—Hab. in montibus Chimborazo et Azuway.—Pro specie propria fere habenda. Var.! robusta S, Elata rufo-badia-nigrescensve. Folia submajora apice fere cucullato minutissime apiculata v. seepe mutica. Bractez integerrime vy. subspinulose. Perianthia alte emersa fusiformi- cylindrica apicem latum versus obscure trisulca.—Hab. in monte Tunguragua. 38. FRULLANIA CLOSTERANTHA, Spruce. Hab. In fl. Pastasa ripis, ad fl. Verde ostia, alt. 1400™, ramicola. F'°8 x ‘55, lob -35, c Ay, f ramea ‘5, lob 15; f'* 6x °45, -7 x55; br 1:6— 2:0; per 4:0 x 1:0™™. Plante graciles 13-3-pollicares, facie Mr. Brasiliensis var. elegantule, concinne bipinnatz et in frondem latam expansive. Folia subimbricata planiuscula vel concava divergentia, oblique semi- cordato-oblonga-ovaliave, ex abrupto apice apiculata—ramea apiculo longiore cuspidata ; lobulus fere semper explicatus subulatus, raro (ramulorum) conico-cylindricus erectus folio plus triplo brevior ; cellulee parvee, pariete incrassato. Foliola sat magna (=folii #-7) obovato-oblonga, basi anguste hastatim- cordata, margine toto valide recurvo, apice ad 4-4 bifida, segmentis recurvis apiculato-acutis. Flores dioici: 9 terminales. Bractec 3-4-jugee arcte imbricatee concave, iis F’r. Brasiliensis sat similes, intimee cuspidato-acuminate paucispine, lobulo ineequaliter bifido; bracteola cum altera bractea leniter connata—vel seepe adnata, nempe intra ejus marginem eidem adfixa— ovali-lanceolata, ad 4 fere bifida, subspinosa, segmentis acuminatis. Perianthia primum subinclusa demum alte emersa, foliis 4-5-plo longiora, tenui-fusiformia, haud teretia sed valde obtuse trigona, apicem sensim rostratum versus magis distincte trisulca, demum ore 4-8-fida. Calyptra plus duplo brevior, inferne cellulis 4-5-stratis conflata. Pedicellus sat longe exsertus, demum (capsula globosa evacuata) deflexus. Obs. Anne eadem ac Fr. triquetra L. et G. Syn. Hep. 780, in Mexico lecta; que tamen nomini male respondet, quum perianthia haud “triquetra” descripta sunt, sed “ovata apice valde attenuata, dorso ad apicem vel sulcata vel obsolete carinata ventre obtuse unicarinata.” Eperianthii forma, caule simpliciter pinnato, etc. diversam speciem censerem.—f’r. Trianw G. Hep. Novo-Granat. p. 79—a cl. auctore in- complete descripta—differre videtur foliis breviapiculatis, et bracteis solum apiculatis—nec cuspidato-acuminatis, ac in nostra.—Fr. Bey- richiana, foliis margine postico recurvis—nec toto ambitu incurvis, facile distincta. Var. hylonoma S.—F 1:0x "7, lob 3; f!* -65 x ‘55, -4x ‘32; br 13x45; br’* 1:2x-6™™.—Elatior pendula 3-6-pollicaris tripinnata. Folia majora, brevius apiculata, lobulo pro ratione minore semper fere evoluto. Foliola foliis duplo fere breviora oblonga basi sinuato- biauriculata. Bracteze minores quam in typo, lobulis idem ac bracteole segmentis laciniato-ciliatis—In monte a ’ RBrathwaite ad nat. del. E Carter se. ‘Vantern Bros ump TRACHYLEJEUNEA ACANTHINA. LEJEUNEA SCHIZOSTIP”. reve cum bracteola bifida alte connate. Per. obpyramidata 5-carinata, carinis apice truncato-dilatatis subcornutisve. Br. ¢ paucijuge diandree. b. Perianthia superne 4-5 angula, angulis apice in cornua erecta vel varie patula sepeque prelonga protractis. 24. Cerato-Lejewnea.— Humiles vel sat robusta, seepe dense late depresso- cxespitosee luyido-rufee plus minus nitide pro m. vage ramosve. Folia paulo imbricata oblique ovata oblongave, apice decurvo (in sicco subinvoluto) varia, superiora seepius acutiora et haud raro dentata—rarius toto fere margine. serrulata—basi sepius ocellata; lobulus parvus inflatus, ad ramorum basin autem perseepe cum lobo in utriculum magnum convolutus; cell.-parvule v, fere minutul subplane. Foliola in pusillis parva ad 4 bifida, in elatioribus seepe magna reniformia apice bidentata, fere semper integerrima. Fl. monoici vy. dioici: Y terminales, hinc vel utrinque innovati; bracteze foliis subsimiles magis dentatee ; bracteola ovalis bifida. Androecia plerumq. ramulo proprio constantia brevi-v. longispica. ce. Perianthia in aliis ecarinata inflata, apice 4-5-cristata-auricula- tave vel inermia ; in aliis superne 4-5-angulata, angulis levibus papulosisve. Rami 2 innovando-pluriflori, vel (in Macro-Lejeuners) simplices uniflori.— Plante pallide faccidee laxe texte, aliz inordinate elongate. Folia seepissime acuta, lobulo perparvo nullove. Foliola magna mediocriave, in perpaucis parva. Bracteze pro m. denticulate. Amenta ¢ lateralia minuta incurva. 25. Taxi-LuseuNEA.—Elatze humilioresve albido-virides pellucide, laxe pinnate, tenui strato repentes penduleve. F. parum imbricata ovato- triangularia seepe subacuminata raro rotundata, apice serrata inte- gerrimave, lobulo perseepe obsoleto; cellule mediocres majusculeve leptodermes fere vacuze. Foliola jseepe magna raro parvula, basi cordata rotundatave, apice breviter—raro ad vel ultra }—bifida. Florescentia (in omnibus?) monoica. Flores 9 in ramo iteratim innovando parvifolio seriatim secundi, quasi-laterales, raro ad 2-1 redacti; bracteze lanceolatee pro more denticulats, lobulo parvo nullove; bracteola ovalis bifida raro integra. Perianthia szepe parva pellucida obconica vel pyramidata levia vel apice 4-5-cristulata. § 1. Codonocolea.—Perianthia parva tenerrima obconica ecarinata vel ipso apice carinulas 4-5 (spe cristatas) ostendentia.—Folia magna seepius apice serrata. Foliola seepe maxima cordato-reniformia, apice levissime emarginata v. etiam integra, raro bifida. § 2. Pyramidocolea.—Perianthia submajora a medio—raro fere a basi— 5-angula, angulis apice ecristatis—Folia mediocria majusculave, rarius apice subserrata. Foliola foliis 2-3-plo minora, apice ad 3-3 bifida, 4 26. Macro-LesEuNEA.—Taxi-Lejeunee Codonocolee e perianthiis parvis inflatis apice solum corrugatis aflinis, differt ramis 2 simplicibus unifloris innovatione carentibus, florescentia dioica, et foliis acuminatis seepe convolutivis.—Caules interdum inordinate elongati. Foliola maxima cordata. 27. Or1con10-LEJEUNEA.—Perianthia habet fere Codonocolearum nonnul- larum, fere teretia, apice solo carinata, carinis in auriculam erectam integram v. fissam—vy. saltem in umbonem—protractis; mnecnon 78 LEJEUNEZ SCHIZOSTIPA. ramos 2 utplurimum multifloros ; differt autem statura pusilla foliis ete. in sicco difficillime emolliendis; foliolis parvis vel minutis; perianthiis pro m. involucro elongato immersis suberostribus, calyptree stylo alte protruso rostellum simulante. d. Perianthia omniwm carinata imermia, sepissime levia, in paucis ad carinas tuberculosa. ~ * Foliola maxima, raro solum majuscula. 28. Hycro-LesEUNEA.—Elatz speciosee laxe texte tenerrime, valde hygrophoree, pallidee, in sicco sepe fuscescentes, inodore, pro m. dense stratificatee, ramificatione varia ex parte dichotoma. Folia sat magna subimbricata semicordata acuta, raro obtusa rotundatave, a lobuli parvuli inflati apice divergentia, seepius celluloso-crenulata, facie subleevia; cellule mediocres convexule, pariete vix incrassato, Foliola seepissime maxima, paucis sp. integra, plerisque apice biden- tata vel breviter bifida. Flores omnium dioict : inramo hine vel utrinque innovando speque prolifero terminales ; bracteze com- plicato-lobulatee subacuminatee szpius crenulatee raro spinulosee ; bracteola obovata emarginata vel subbifida, in unica integra. Peri- anthia pyriformia subcompressa 5-carinata, carinis fere levibus apice rotundo-prominulis—in unica sp. insigniter auritis. Amenta ¢ sepe terminalia brevia; bractez mediocres antheridia bina magna fo- ventes. 29. Evosmo-LesEeuNEA.— Elatiuscule firmiusculee allt flavidzevesuay- eolentes, prostrate vel pendule, laxe pinnatim ramose. Folia im- bricata devexula semicordato- oblonga rotundata, rarissime acuta, asperula rarius levia, celluloso- crenulata ; cellule mediocres par- veeve prominulee guttulate, pariete ad angulos valde incrassato. Foliola foliis fere zequimagna cordato- yemiformia- -orbiculatave, apice breviter bifida bidentatave. Flores omnium fere dioici: 9 in ramo iteratim innovando terminales ; bracteas complicate angustilobz integerrime crenulatzve ; bracteola angusta (in unica sp. orbiculata) apice bidentata. Perianthia elongata alte 5- -carinata, carinis leevibus asperulisve. Bracteze ¢ pauci- plurijug: e majuscule diandre. ** Foliola mediocria parvave, raro minuta. 30. Pycno-LrsJEUNEA.—Majuscule albicantes pellucidissIme subodore, arcte repentes subramose. fF. confertissima concava semicordato- oblonga rotundata, papulosa, interdum ocellata, lobulo vel mediocri inflato vel preelongo cylindrico-convoluto; cellule subparvee alte prominule. Folola 2-plo breviora reniformia ad 4 bifida. Rami ? innovandi; bracteze longe incurvee complicate subineequilobee acuminulate; bracteola lata bidentata vel integra. Perianthia obovata turgida argute 5-carinata. Br. g majusculze pauci-pluri- juge. 31. Poramo-LEeseuNEA.—Majuscule luride prostrate. Folia subimbri- cata subplana rotundata recte complicata, lobulo majusculo plano, cellulis parvulis. Foliola dimidium folium subequantia subrotunda ad 1-4 bifida, segmentis acutis. Rami ? breves, innovatione sim- plice “nullave suffulti ; bracteze foliis subconformes. Perianthia 4—5-gona, apice vel truncata vel carinis apice umbonato-prominulis, Br. 4 majuscule seepe plurijugee. rats Bee Soe Fi WEEN em ey o Ye » bf: = “aa of verter ae Hoe BS Me ie oy Pe OSS oS He MBS wy x ye Re” ia ey, . x ce i. 5 € CPO ES 4 E2222 ANY ea G-Massee ad nat, ddl. E Carter oe HYGROLEJEUNFA DEVOLUTA. 32, LEJEUNEX SCHIZOSTIPA. 79 CHetto-LeseuNEA. Humiles depresso-ceespitosee varie colorate, in sicco seepe luride rufescentes, eaule vage ramoso perseepe ramis microphyllis pinnulato, Folia nunquam conferta patentissima semi- cordato-oblonga rotundata papulosa, integerrima interdum celluloso- erenulata, lobulo semper przesente 3-4-plo breviore turgido; cellule parve chlorophyllo copioso subopacze. Foliola 2-4-plo minora subro- tunda ad 4 bifida} subintegerrima, segmentis acutis. Ramus 9 brevior longiorve, in plerisque simplex, in paucis innovatus; bractez lobu- late falcato-divergentes -incurvee integerrime; bracteola anguste ovalis breviter bifida v. integra, Perianthia rufa sat compressa, carinis posticis humilibus .obsoletisve sepe in unam latam fere confluentibus, demum ore bilabiata. Calyptra aurantiaca. Bractez . ¢ majuscule pauci-plurijugee 33. Eu-LeJEUNEA. Mediocres vel pusille, seepius virides vel albicantes, 34, pinnate vel vage. Folia subimbricata vel dissita, ovata ovaliave obtusa rotundatave, in perpaucis acuta, integerrima vel raro celluloso- crenulata, lobulo seepius parvulo (interdum obsoleto) inflato vel sub- plano; cellulz mediocres parvuleeve, seepius plane pro m. leptodermes, chlorophyllo parco. Foliola raro 4 folium excedentia, plerumque 2-3-plo (in sp. pusillis 4-7-plo) minora, ad 3-4 (rarius ad ? usque) fissa, segmentis pro m. subacutis, nunquam late obtusatis. Flores omnium fere monoici: 9 terminales, innovatione (simplice vel pro- lifera) suffulti; bracteze foliis angustiores complicate, lobulo parvo nullove, integerrime; bracteola plerumque angusta brevissime vel ad } usque bitida. -Perianthia plus minus pyriformia compressula— in paucis magis compressa obcordataque—5 carinata, carinis raro per- acutis, semper inermibus, levissimis vel. perraro tuberculosis. An- droecia semper fere ramulo tenui constantia, raro terminalia; bractez parvule raro plurijugee. : Micro-LeseunEA. LEu-Lejeuneis Microstipis similes, minutiores. Folia minuta dissita integerrima vel celluloso-crenulata lobulo vel majusculo $ folium: zquante (nunc obsoleto) vel lobo fere equi- magno, cum eodem ad conch instar convoluto; cellule parvee minuteve (3,-3,™™) spe opacule. Foliola preeminuta profunde bifida, segmentis subulatis. Flores in omnibus fere dioici: 9 ter- minales innovati. Perianthia Lu-Lejewnee. 2 2. Foliola nulla; haustoria ewique folio tributa. Coto-LEJEUNEA. : 1. Physocolea, perianthiis turgidis argute 5-carinatis, rarissime fere ecarinatis.—Plantz pusillee preminuteve fragiles vage v. raro pinnatim ramos, caule ramisque ad foliorum insertionem geniculato-flexuosis. Folia dissita, basi perbrevi fere trans- versa, subrotunda et vel solum concava (nec complicata) lobulo vix ullo, vel margine postico toto fere incurvo conchoidea; in paucis angustiora acuminataque, lobulo mediocri normali; facie sepius papulosa rarissime muriculata; cellule parve lepto- dermes pro m. obtuse (raro acute) prominule. Flores omnium fere monoici. Rami ? innovati; bracteze laxe foliis vix di- vers, raro complicate. Br. ¢ monandre, in unica C, L. calearea interdum diandre. 80 LEJEUNEH SCHIZOSTIPA. 2. Leptocolea, perianthiis valde compressis sepe obcordatis, postice convexis subobsolete 2-carinatis.—Plante pusilla, grandifoliz autem, sepe rufescentes. Folia planiora sublinguzeformia, normaliter parvilobulata. Bracteze foliis multo minores com- plicate, altera minuta zequiloba. § 3. Foliola duplicata, 1.¢., cuique foliotributa. 36. Dipnasto-LEJEUNEA. Pusille grandifolize rufescentes fragiles seepe- que tenuissime. Folia plana, insertione peraugusta, dein oblongo- rotunda, infra medium complicata, plica margine bidentata vel subulata-unidentata. Foliola cuneata bifida-partitave. Bractez parvee complicate subzequilobee. Perianthia oblonga preealte 5-cari- nata. ’ 37. Coturo-LeseuNEA. A priore differt foliorum ‘lobo inferiore (nec superiore) majore, apiceque in clavam cornuve conyoluto-elongato. Bracteze minute integre spe retusee. Perianthia campaniformia 5-carinata, carinis apice brevicornibus. Preeter hos caracteres essentiales, liceat adducere alios, minus constantes quidem, utiles autem pro subgeneribus Schizostipis discriminandis. Plante elatiores sepeque grandifolie sunt Euosmo-Lejeunee, Hygro- Lejeune, plereeque Taxi-Lejeunee et Macro-Lejeunee, nonnulle Cerato-Lejeuneze et Potamo-Lejeunee. Pl. statura mediana: Trachy-Lejeunez, Cheilo-Lejeunez, Pycno-Lejeuneex, nonnull Taxi-Lejeunez, Eu-Lejeunez et Cerato-Lejeunex, pauce Colo-Lejeunez. Pl. pusille: omnes fere Priono-Lejeune, plures Eu-Lejeunez, Cheilo- Lejeunex, Otigonio-Lejeunee, Lepto-Lejeunex, Colo-Lejeunez, Dip- lasio-Lejeunez, paucze Harpa-Lejeunee. Pl. exigue minuteve: plereque Drepano-Lejeunee, Harpa-Lejeunee, Micro-Lejeuneze, pauce Colo-Lejeunee. Folia acuta in Priono-Lejeunea, Drepano-Lejeunea, Crossoto-Lejeunea, in plerisque Harpa-Lejeuneis, Trachy-Lejeuneis, Cerato-Lejeuneis, Taxi-Lejeuneis, in nonnullis Macro-Lejeuneis, Otigonio-Lejeuneis et in paucis Eu-Lejeuneis; obtusata rotundatave in ceteris fere omnibus. Folia bracteeque apice saltem denticulata serrulatave, vel margine toto fere celluloso-muriculata, in plerisque Priono-Lejeuneis, Trachy-Lejeuneis, Drepano-Lejeuneis, Cerato-Lejeuneis, Taxi-Lejeuneis, et in non- nullis Crossoto-Lejeuneis, Harpa-Lejeuneis, Lepto-Lejeuneis, Macro- Lejeuneis et Otigonio-Lejeuneis; in Trachy-Lejeunea. acanthina spinosa, in Drepano-Lejeuneis nonnullis pectinatim laciniata. Folia bracteeque integerrima (vy. solum obscurius celluloso-crenulata) in plerisque Pyeno-Lejeuneis, Potamo-Lejeuneis, Cheilo-Lejeuneis, Eu- Lejeuneis, Micro-Lejeuneis et Colo-Lejeuneis, Diplasio-Lejeuneis et Coluro-Lejeuneis, sepeque in Hygro-Lejeuneis et Euosmo-Lejeuneis. Folia laze texta, cellulis mediocribus v. etiam majusculis—raro parvulis— . pro m. leptodermibus, in omnibus Hygro-Lejewneis, Taxi-Leeuneis, ‘ _Macro-Lejeuneis, Otigonio-Lejeuneis, Coluro-Lejeuneis, in plerisque Lepto-Lejeuneis et Eu-Lejeuneis. Folia reti spissiori, e cellulis vel minutis, vel pachydermibus, interdumve magis chlorophyllosis, in’ ceteris fere omnibus Schizostipis invenimus. Folia plus minus aspera, e cellulis obtuse, acute, v. etiam setoso-pro- minulis, habemus in Trachy-Lejeuneis et Pyeno-Lejeuneis, im non- LEJEUNEA SCHIZOSTIPA. ’ 81 nullis Priono-Lejeuneis, Crossoto-Lejeuneis, Harpa-Lejeuneis, Cheilo- Lejeuneis (gradu minore), in paucis Drepano-Lejeuneis, Enosmo- Lejeuneis et Colo-Lejeuneis. In ceteris fere omnibus levia sunt, vel e cellulis convexulis leniter papulosa. Foliola maxima (interdum foliis superficie eequimagna v. etiam majora) in plerisque Hygro-Lejeuneis. Taxi-Lejeuneis codonocoleis, Macro- Lejeuneis, in nonnullis Cerato-Lejeuneis et in Tvrachy-Lejeunea acanthina. In ceteris mediocria, parva minutave. Foliola, quamvis normaliter bifida, in paucissimis speciebus integra inveni- untur, se. in Harpa-Lejeunea holostipa, in Hygro-Lejeunce. speciebus 3, in 2 Taxi-Lejeuneis et in Cerato-Lejeunea unica. Bracteolz integree minus infrequentes sunt, sc. in paucis Cheilo-Lejeuneis, Harpa- Lejeuneis, Hygro-Lejeuneis et Taxi-Lejeuneis. Rami -2 simplicissimi (s. cladocarpici), sine ulla innovatione, invenimus in Cheilo-Lejeuneis fere omnibus, in omnibus Macro-Lejeuneis (sub- genere speciebus paupere), in plerisque Trachy-Lejeuneis et Lepto- Lejeuneis, in multis Priono-Lejeuneis et in Potamo-Lejeunea poly- stachya. Tales rami haud semper perbreves sunt, e contrario in Cheilo-Lejeunea folia plurijuga infra florem terminalem haud raro ostendunt. In czterum subgenerum speciebus omnibus adveniunt flores 2 in ramo brevi longioreve (rarius in ipso caule) terminales, innovationem e basi proferentes simplicem v. in plurimis iteratim innovando-proliferam. In Taxi-Lejeuneis rami 2 sunt parvifolii iteratim innovati, floribus confertis seriatim secundis ad speciem lateralibus. Bractee g constanter monandre in Drepano-Lejeunea et Colo-Lejeunea, in ceteris omnibus Schizostipis diandre nonnisi raro casu monandree, rarissime triandre. Suscenus L—STICTO-LEJEUNEA, 8. Plante elate, pulcherrime, e viridi albicantes fulveeve, corticole et rami- cole, sepe ultra matricem horizontaliter porrectes pendulzeve, in planum pinnate bipinnatzve, sepe eleganter plumeformes, caule rufo nigrescenteve tenaci cellularum stratis plurimis conflato, foliis ceeterisque appendiculis e cellulis majoribus pellucidis inter normales sparsis ad speciem ocellatis porosisve. Folia sat magna imbricata subplana semicordato-oblonga rotundata inte- gerrima, lobulo preeminuto involuto seepe decurvo-corniformi ; cel- lulz minutule firme licet leptodermes, trigonis nullis, subpellucidee, inferiores elongate; ocelli ubique intervallis subeequalibus dissiti: omnes cellule parum chlorophyllosze. Foliola imbricata, foliis eequimagna sed oblata, reniformia integerrima. Flores dioici: 9 ad caulem vy. ramum primarium, in ramulo brevissimo, foliis solum unijugis minutis infra florem stipato, terminales, inno- vatione brevi parvifolia simplice suffulti. Bractez foliis fere duplo minores, complicato-bilobe, altera (interior) major, lobis inzequalibus, altera minor, obcordata, lobis equalibus; bracteola obovata. Perianthia foliis caulinis subequimagna urniformia valde compressa apice profunde biloba, lobis (auriculisve) spathulato-rotundis planis exalatis, seepe scarioso-marginatis, postice humiliter obtuse unicari- nata, capsula emissa bilabiata. TRANS. BOT. SOC. EDIN. VOL. XV. L 82 StictTo-LEJEUNEA. Andrecia vel ramulum totum folio caulino sublongiorem, vel rami pri- maril apicem tenentia; bracteze 6-10-jugze arcte imbricatee equaliter biloba. Inter Lejeuneas insignis, solumque cum Platy-Lejeunea, e fl. 2 later- alibus, innovatione simplice suffultis, necnon bractea altera equiloba comparari potest; differt vero hc colore badio; caule flaccido pauci- rameo; foliis, etc. epunctatis; sed precipue perianthiis margine ciliato- cristatis, apice exauriculatis. Revera Newro-Lejeunee (quam videas) multo magis aflinis est. Hab. In fruticum ramis, in sylvis opacis, secus rivulos preecipue. Distr. In sylva Amazonica fere tota, in Andibus humilioribus Peru- vianis et Aiquatorialibus, cordilleree tam orientalis quam occidentalis, ipse legi. In tota America tropica, ab insulis Antillanis per Braziliam ad Chili usque, reperta est.—Stirpes mere American, in Oriente nondum vise. 1. Sricto-LEJEUNEA SQUAMATA, Jung. syuamata Willd. in Web. Prodr. 33. Lejeunea s. Nees, G. L. et N. Syn. Heb. 322. Hab. in fruticum ramulis secus rivulos, rarius in arborum cortice, per Andium orientalium radices, nusquam supra 600 m. ascendens: locis Tarapoto, fl. Bombonasa, Pastasa, etc.; in planitie (quoad formam per- fectam) rarior: fl. Negro juxta montem Cocwi (inter Braziliam et Venezuelam limitem), etc. F 12x ‘85, 11x °8, 8x ‘6; lob ‘1-125; ¢ gy; f 8x12; bractew lob *8x°55; br't 65x '55; per 1:05 x ‘9, auricule 35 x ‘5; caps *35™™, Elata, pallide viridis, albescens, raro rufescens, procumbens stratificata. Caules e caudice repente fere liberi, arcte plumzeformi-pinnati et sub- bipinnati, ramis alternis, frondem 2-3 pollices longam, 3 poll. latam, ambitu lanceolatam, efformantes. Folia late imbricata subplana, tenuia, pellucido-punctata, patula, semi- cordato-ovata v. ovato-oblonga rotundata, basi antica caulem late transeuntia, postica sinuato-lobulata; lobulus minutus foliis 10-plo brevior ovoideus convolutus, sinu decurvus itaque quasi corni- formis, apice (occulto) acuto acuminulatove; cellule minutulz sub- pellucide leptodermes, subzequilatere, inferivres subelongatee. Inter _ cellulas normales interposite sunt alice duplo majores —pellucide, annulo chlorophylli opaco in ambitu—ad ocellorum instar, cellulis normalibus 4 v. pluribus dissite, per totum folium zqualiter sparse. _ Eodem modo foliola, bracteze perianthiaque ocellata sunt. Foliola imbricata foliis eequimagna sed transversa, dimidio latiora quam longa, cordato-reniformia, apice lato recurva. Flores dioici: 2 quasi-laterales, in ramo primario secundariove brevis- simo terminales, innovatione simplice pro more brevi (foliis sub 5- jugis) suffulti. Folia rami ? infrafloralia minuta unijuga orbiculata. Bractez foliis multo minores complicate; interna (innovationi adnata) bipartita; lobis obovatis rotundatis, inferiore duplo breviore angus- tioreque, externa duplo minor obcordata, paulo ultra } emarginata,: lobis subeequalibus semiobovatis. SticTo-LEJEUNEA. 85 Perianthia foliis rameis submajora caulinis vix «qiimagna urniformia valde compressa, apice profunde obcordato-biloba, rostello perbrevi in sinu, lobis in auriculas spatulato-rotundas rentformesve, planas sed non alatas, albo-marginatas dilatatis, postice carima parum ele- vata pereursa. Calyptra pyriformis tenuis, cellulis unistratis con- flata, ad perianthii sinum attingens, demuin inzqualiter trifida. Capsula globosa (emersa mihi non visa). Plante ¢ cum ? mixtie, paulo tenuiores magisque ramos. Amenta * ramulum totum, v. rami primarii apicem tenentia. Bracteze sub 10- jugze, foliis duplo minores, julaceo-subimbricate, cymbiformi-com- plicatie, obtuse, ad 4} fissee, equilobee, antheridia bina foventes. Adest bracteola obovata duabus bracteis infimis adseripta, bractew autem superiores bracteolis omnino carent. Obs. Folia ad 4-4 lat. imbricata, tenuia et quasi vitrea, subopaca tamen, apice albido-scariosa. Rami seepe tam conferti ut folia ramoram vicinorum contigua v. subimbricata fiunt. Caules tenaces rufescentes subcompresso- teretes, cellulas sub 12 in sectionis diametro monstrantes; cellule sub- conformes elongate, corticales coloratee opacee magis chlorophyllose, interiores pellucidee. The normal arrangement of the 9 flowers is as follows:—From the outer base of the lowest leaf in the interval between two consecutive branches on the same side of the stem springs a 2 branch, abbreviated to a single pair of minute leaves and their accompanying foliole—all of which are suborbicular and entire—below the involucre. Adnate to the inner and larger bract, and diverging at a small angle from the axis of the 9 flower, grows out a slender innovation, bearing usually only 5 pairs of small leaves, but sometimes more elongate. The form above-described, which 1 consider the perfect state of the plant, is the var. y Neesii of G. L. et N. in Syn. Hep. Their var. @ is the following :— Var. macrior (= a Willdenoviana et «* ocellulata Syn. Hep.) differt a typo statura minore; caule minus regulariter pimnato; ramis sepe plurimis consecutivis abbreviatis floriferisque; foliis etc. minoribus, caulinis fere elobulatis, lobulo rameorum miagis distincto, in situ corniformi, arte explanato quadrato-rotundo.—Hab. prope Pard et ad fl. Negro superiorein. 2. Sticto-LEJEUNEA KunzEana, Gottsche. Tas. IIT. L. squamata W. 6 Kunzeana G. in Syn. Hep. 322. Hab. in M. Chimborazo radicibus oecidentalibus, e ramis pendula, alt. 1000m.—In Peruvia et Chili legit. cl. Pépric. F'1:3x°8; lob 15; ¢ d-yb;s f* °8x 11-125 per 15x 1:20, AS. L. squamata, valde aftini, diversa videtur caracteribus sequentibus. Elatior, 6-9 pollicaris, e pallide viridi fulva. Caules, e caudice repente subdiviso, a matrice liberi, nigri, in planum ramosi, bipinnati, ramis ramulisque dissitis frondem laxam nec plumeeformem efformantes. Folia parum (ad 4-2 lat. solum) imbricata, oblonga (nec ovata) basi antica alte semicordata; lobulus convolutus lageniformis, deflexus, cauli contiguus parallelusque (ad Frullanie replicate instar). [Lobulus L. squamate decurvus est, sed a linea horizontali parum divergit 84 Sricto-LEJEUNEA. cornuque simulat.] Cellulz multo majores, ocelli tamen minus con- spicui nec tam symmetrice disposite ac L. squamate. Foliola fere conveniunt, lateribus tamen incurva, [nec apice recurva ut in L. squamata}. Perianthia longiora sunt, auriculis valde dilatatis pulchre albo-marginatis, contigiis vel etiam paulo imbricantibus. Obs. The branches and branchlets are several pairs of leaves apart, which leaves room for from 2 to 4 fertile ramuli between two consecutive branches; whereas in L. sywamata more than one is never seen. The 9 flowers are found on the primary branches more frequently than on the stem, but in L. sywamata are wholly confined to the latter. Suscenus IL—NEURO-LEJEUNEA, S. A Sticto-Lejeunea differt statura humiliore foliis foliolisque minoribus; caule flexuoso minus regulariter pinnato; foliis divergentibus, e cellulis axialibus magnis pellucidis moniliatis, falsinerviis (nee tota superficie punctatis, sicut in Sticto-Lejewnea), lobulo sat conspicuo recto; foliolis minoribus late cuneatis; floribus @ in ramo longiore terminalibus (dichotomialibus) ; bracteis foliis submajoribus, fere conformibus ; peri- anthiis cuneatis obcordato-bilobis (auriculis oblongis complanatis anguste alatis), valde compressis, facie antica planis, postica bicarinatis, carinis subalatis. Sticto-Lejeunea folia habet tota superficie punctata, flores 9 quasi- laterales (cladogenos), bracteas minutas, alteram earum zquilobam, peri- anthium postice obtuse unicarinatum, margine carinisque exalatum ; itaque pro subgenere distincto habendam censeo. Hab. In arborum truncis yetustis, perseepe muscis filicibusque irre- pentes. : : Distr. Species hujusce subgeneris adhuc cognite habitant: 1. L. catenu- lata Nees, in America septentrionali, super Hymenophyllum ciliatum et Neckeram abietinam, Hook.; 2. L. Breutelii, Gottsche, in Antillis; 3. L. seminervis, Spruce, ad fl. Negro in Brasilia boreali. 1. NgEvuRO-LEJEUNEA SEMINERVIS, Spruce. *Hab. In sylvis fl. Negro superioris ad truncos vetustos; prope S. Gabriel et S. Carlos frequens. F 55 x °35; lob 15; ¢ Ay; f*:25 x °25, -25 x °3; br 65x 45; br’* 55x 45; Glin 58 (oa, Us Ae Plante latissime effuse intricate, rufo-badiz, luride y. olivaceo-nigres- centes. Caules 1}-pollicares procumbentes flexuosi confertim pinnati vy. bipinnati, ramis inequilongis spe brevibus, fertilibus pro more dichotomis. Folia arcte imbricata, angulo recto y. majore divergentia, decurva, falcata, oblique (v. semi-) ovato-oblonga rotundata integerrima, a basi ad $ long. usque cellulis magnis uniseriatis vittata,. vittd angulum sub 70° cum caule efformante, basin versus sinuato-lobulata; lobulus folio 3-4-plo brevior ovalis inflatus, margine incurvo, apice in dentem Nevuro-LEJEUNEFA. ‘ 85 linearem acutum involuto producto; cellule minute subsequilaters guttulatee, subchlorophyllose, limitibus sat validis, trigonis nullis, inferiores submajores oblongo-hexagone, vittz cellule ceteris col- lateralibus 25-plo majores ovales pellucide. Foliola contigua v. imbricatula, foliis duplo et ultra breviora, rotundo- cuneata plana, lobulos vix perfecte obvelantia. Flores dioici: 9 in innovationum dichotomia terminales—innovationibus raro solitariis, vix unquam proliferis. Bracteze foliis submajores, eadem fere forma, lobulo tamen explanato parvo ligulato diagonali ; bracteola subquadrata, angulis rotundatis, v. obovata. Perianthia alte emersa, seepe maxima, foliis plus duplo longiora com- pressa, obcordato-cuneata, apice profundissime emarginata v. potius biloba, lobis auriculisve rectis, late oblongis rotundatis complanatis rudimentarie alatis, obsolete rostellata, postice bicarinata, carinis humilibus interrupte subalatis conniventibus et in perianthii sinum apicalem confluentibus. Plants ¢ cuin 2 mixtie, tenuiores, magis ramose. Amenta v. ramulo cauligeno constantia v. rami apice (rarius medio) posita; bractez 4-6-juge majusculz subrotund subzequaliter complicato-bilobe. L. catenulata, Nees. (Syn. Hep. 323) folia habet apice eroso-denticulata ; foliola minora (“foliis triplo saltem minora”); innovationes semper uni- laterales ; perianthia duplo minora (“ lin. vix longiora”), tam lata quam longa. Obs. At S. Carlos Lej. seminervis encircles trees of 1 to 2 feet in dia- meter from the ground up to a great height, so that they look as if wrapped in dingy brown cloth. Suscenvus II].—PELTO-LEJEUNEA, S. Omphalo-Lejeunee certe peraftinis, tenuior tamen, fere capillacea, tenerior, colore pallido. Rami (sepe suboppositi) magis dissitiflori. Folia dissita, caule valde convolutiva, oblique ovata pro more acuta; lobu- lus eo Omphalo-Lejeunez haud absimilis, plicee angulo tamen acu- tiore; cellule $ minores, papuloso-prominule, trigonis nullis. Foliola, qualia O. Lejewnee, cauli semiadnata, longiora tamen, anguste ovalia, planioraque. Florescentia utriusque sexus fere eadem ac Omphalo-L. Bracteze @? foliis duplo breviores acuminate apice denticulate; bracteola apice bifida. Perianthia alte acute 5-gona longirostria.— Ultimo caractere, pre aliis, ab O. Lejeunea distinguenda. Habitu Taxi-Lejeunee Pyramidanthe satis accedit, caules autem czespitoso- penduli; folia firmiora, cellulis subduplo minoribus subopacis papu- losis; foliola perfecte integra dimidio infero cauli adnata; florescentia dioica, et perianthia valida alte 5-carinata, caracteres subgenericos amplos suppetunt. Hab. In montibus sylvaticis e ramulis pendula. Distr. In Andibus Quitensibus (Chimborazo et Guayrapata) etiam in Columbianis (Merida), alt. 1200-3000 m., unica species mihi cognita rarlus occurrit, 86 ' PELTO-LEJEUNFA. 1. PeLto-LEJEUNEA OVALIS, L. et G. Syn. Hep. 754. Hab. Ex arborum ramulis pendula,in montibus Andium Aequatoriensium Chimborazo et Guayrapata, alt. 1200-3000 m. F10x°6, lob 3; f% 8x5; cd; Or. lob 5; per 1:1x6, 1:25 x 6mm, : Cvespites densi pallidi penduli. Caules 3-6-pollicares filiformes debiles pinnati parum radicellosi; rami breves distantes, alterni v. suboppo- siti, seepe floribus 2 innovando-secundis quasi-pinnulati. Folia vix imbricata primum erecto-patula dein decurvo-convoJutiva, basi longissima sublongitudinali inserta (7.e, antice preelonge decurrentia), semicordato-ovata, acutata vel leniter acuminata acuta (in var. obtu- sata), e cellulis prominulis tuberculata margineque repandula; lobulus — 3-plo brevior subrhombeus trapezoideusve anguste saccatus, plicd angulum 30°-40° cum caule efformante, recta parum convexa, superne planiusculus v. apice subacuto plus minus involuto; cellule minu- tule, firmes, subzequilatere, incrassatee, trigonis antem nullis, solum centro pellucide, ambitu chlorophyllo opacze, inferiores sensim elon- gatee flexuosze, omnes fere extus convexo-prominule. Foliola foliis fere equimagna subcontigua elliptica dimidio inferiore cauli adnata, basi utrinque rotundata, vel hine semicordata illine rotundata, plana v. lateribus recurva. Flores dioici. Rami ? 1-2-, v. 3- (raro 4-) flores paulo dissiti, revera ter- minales, ex innovationibus brevibus apice floriferis—rarissime ex parte dichotomis—ad speciem laterales, seriatimque secundi. Bracteze erectee appresse foliis caulinis duplo minores, ovato-lanceolate subacuminatz apicem versus erosulze denticulateeve, lobulo perangusto adnato nullove; bracteola oblonga v. obovato-lanceolata apice brevi- ter bifida, segmentis acutis obtusisve. Perianthia foliis subsequilonga pyriformia—vel a basi brevi obconica obovata—apice obtusato longirostria, alte acuteque 5-gona, opaca, firma. Pl. ¢ simpliciores. Andrcecia spiculis pallidis cauligenis, rectis vel sub- circinatis, f. caulinum subsuperantibus, constantia; bracteze foliis 4—5-plo minores 3—5-jugee, raro plures, laxiuscule equitantes, saccatee y. potius galeiformes, ore emarginatz v. integree, antheridia bina magna brevi-pedicellata foventia; bracteole ovales vix decurrentes. Var. obtusata.—In M. Guayrapata; etiam in Chimborazo, sed rara. BPS x 65; lob 6; f* 1-15 "6; br -G5™™, Forma major fuscidula, caulibus seepe subsimplicibus. Folia longiora obtusata—raro etiam rotundata—lobulo majore. Foliola elongata ovali-lingueeformia. Suscenus 1V.—OMPHALO-LEJEUNEA. Omphalanthus, Ldng. et Nees, Syn. Hep. 303, pro parte; Phragmicoma, Mont. Cent. I1.; Lejewnea, Mont. in d’Orbigny Voy. Plante elatee flaccidee flexuosee, prostrate penduleve, flavescentes, parum ramos, rainis sepe suboppositis, caule apice elongato vermiculari, OMPHALO-LEJEUNEA. 87 Folia subcontferta erecto-patula valde decurvo-concava—interdum caule subconvolutiva, suborbiculata integerrima; lobulus majusculus sub- rhombeus caule incurrens subsaccatus, apice brevi incurvo; cellule parvule plane pachydermes, trigonis maximis, centro pellucide. Foliola foliis equimagna orbiculata, paulo latiora quam longa, dimidio inferiore cauli adnata, valde recurvo-concava. Flores dioici: 9 ad ramos breves innovatos seriatim secundi, seepeve soli- tari. Bractez foliis minores, lobulo parvo obsoletove; bracteola foliolis subangustior, emarginata. Perianthia paulo emersa, pyriformi-cylindrica, inflata ecarinata—juniora tamen obscure trigona—apice rotundato depresso demum 3—pluri- fida, laciniis inflexis. Andrecia spicam brevem cauligenam sistentia; bracteze 6-jugze, raro plures, parvee, ultra medium bifidze subzequilobee. Hab. In saxis arborumque ramulis. Distr, Hujus subgeneris unica species cognita Americana est, per tropicos novi mundi late distributa, nullibi vulgaris; montes humiliores diligit, supra 2000", vix ascendit, in planitiem rarissime descendit. 1, OMpHALO-LEJEUNEA FILIFORMIS (Sw. Prodr. p. 144, sub Jung.) Omphalanthus filiformis, N. et O. geminiflorus N. Hab. In saxis arborumque ramulis.Andium Orientalium tam Peruvian- orum quam Atquatoriensium (M. Campana, Fl. Pastasa super, &c.) vix ad 2000 m. alt. usque; in planitie rara (caput fl. Pactmont). F10x1:1, lob 35; cf; f% 10x13, °9x1:05; br. lob 8x6; br“ 6 x5; per 13x°6, 75x 6; amenta g 1:0-—1'7™. Plante elatz 2—4-pollicares pallidee v. flavidee, opacze, prostratee pendu- leve spe in stratum densum protense, in sicco interdum rufo- badize; caules flexuosi flaccidi parum ramosi, raro pinnati, ramis pro more brevibus alternis v. per paria approximatis. Folia late imbricata erecto-patula, basi media (ad plicam) acute decur- rentia—plica angulum sub 45° cum caule efformante—semicordato- orbiculata vel-oblongo-rotunda, ex apice et margine postico valde decurvis cochleato-concava, a basi ad 4 subrecte complicata; lobulus eaule incurrens ovato-rhombeus subsaccatus, margine transverso in- flexo, raro plano, medio unidentato (dente lobuli apicem sistente); cellule parvulz subconformes, guttulate pachydermes, trigonis maximis, centro pellucida, chlorophyllo in annulum sinuosum con- gesto, fere planissime, minute asperulee. Foliola late imbricata, foliis eequimagna, oblato-orbiculata, e margine late recurvo convexa, dimidio inferiore cauli adnata, facie interna, supra hilum rhiziniferum externum, profunde foveolata, rhizinis validis fasciatis. Fl, dioici: 2 ad ramos perbreves, sepe oppositos, innovandos, seriatim secundi, 2 v. 3, v. haud raro solitarii. Bractez foliis minores, dimidio inferiore complicate, lobo obovato rotundato, lobulo angusto lineari-rhomboideo v. obsoleto; bracteola longe brevior obovata orbiculatave, e margine infero recuryo spathulata, apice retusa v. triangulari-emarginata. Perianthia foliis breviora longiorave inflata, fere teretia parum compressa sordide rufa, opaca, strato cellulularum tamen unico constantia 88 OMPHALO-LEJEUNEA. obscurissime trigona, pyriformia, vel a basi obconica subcylindrica, apice rotundato depresso, centro minute perforata, demum 3-pluri- fida, Jaciniis inflexis. Calyptra paulo brevior pyriformis, apice sub- regulariter 4-fida. Amenta ¢ in planta propria cauligena, crebra, globosa, oblonga v. spicata; bracteze 2-10-jugze foliis 2-plo et ultra minores, subconferte basi turgidissime, profunde bifid, lobis subzequalibus ovato-triangulari- bus obtusis. Inter Omphalanthum filiformem, Sw. et O. gemini- florum, M. et N., nullum discrimen invenio. Flores ? ad ramum brevissimum 1-—2—vel 3-ni in una et eadem stirpe; ex innovationibus oppositis interdum dichotomiales. Suscenus V.—ARCHL-LEJEUNEA, Spruce. Plante sat elate speciosee rufescentes, raro subluride viridesve, in sicco tam forma quam colore parum mutate, ramicole et corticolz, czes- pites v. plagulas dilatatas sistentes, raro aliis hepaticis muscisque consociate. Caudex longe repens, caules pro more assurgentes, V. ultra matricem (seepe fruticis ramulum) patulos stratificatosque v. pendulos, vage—rara subpinnatim—ramosos, ramis plerumque paucis inequilongis, in pl. 2 iteratim innovando-elongatis, raro dichotomis, subarhizos proferens. Folia magna (°75-2°25™")—in unica specie (clypeata) parvula—imbricata, subrotunda vy. sepissime oblonga sublingueformia, valde obtusa rotundatave, nunquam acuta, integerrima ; lobulus majusculus (=folii 3-4) subrhomboideus, acutus, apiculatus, bidentulusve, margine (raro totus) planus integerrimus, ad carinam subinflatus, neque vero sac- catus; cellule parvule mediocresve, raro majuscule, subconformes, leptodermes, v. pariete ad angulos subincrassato, pellucide, solum ambitu opace. Foliola foliis subeequilata, breviora tamen, orbiculata v. reniformia, basi exciso-amplexantia v. cordata, integerrima, haustoria scopzformia rarissime proferentia. Flores dioici, in paucis monoici: 9 in ramo iteratim innovando-prolifero terminales, rarissime (in speciebus paucis monoicis) e caulis apice dichotomo, florescentiam magnam, ? vel ¢, in furca gerente, ad brachia monotrope innovanda seriatim secundi. LBractez foliis parum diverse, integerrime; bracteola integra v. aliarum sp. breviter bifida. Perianthia emersa pyriformia pellucida, ex apice rotundato retusove (nunquam obcordato) rostellata subcompressa 4 (—5)-quetra—raris- sime antice posticeque 2-3-carinulata—carinis raro levissimis, plerumque ala rudimentaria interrupte limbatis v. saltem exas- peratis—nunquam tamen denticulatis ciliatisve. Andrcecia rami apicem mediumye tenentia; bracteze pro more plurijugee foliis paulo minores subinzequilobe, diandre. _ [Brachio-Lejeunea ab Archi-Lejeunea differt: ramificatione in_plantis fertilibus tota fere dichotoma, in sterilibus sepe laxe pinnata; foliis sepe acutis, lobuli saccatt margine transverso crenulato ; foltolis sepe imsigniter decurrentibus; florescentia normali paroica et wutoica ; bracteis denticulatis ; perianthiis raro subeequaliter 4—5-gonis seepius 7-10-plicatis, carinis plicisve omnibus sublevissimis. | ARCHI-LEJEUNEA. 89 Hab. In arborum cortice ramisque. Species humiliores interdum ad arbores pomiferas ; majores in sylvis, priecipue fl. Negro humilioribus, valde copiose, in plagas prelatas horizontales ad fruticum ramulos diffuse, e colore rufo necnon statura elatiore insignes, raro aliis Lejeuneis commixte. A. L. Lepriewrit semper riparia palustrisve, interdum arborum ramis irrigatis adnata et ex p. fluitans. , Distr. Per Americam tropicam ab insulis Antillis ad Peruviam austra- lem usque ; preprimis in sylva Amazonica (ubi 9 species legi) abundat. In Andibus humilioribus, vix supra 600™ ascendens, provenit A. L. florentissima, S.; alteras duas species, L. porelloides, 8. et L. erispisti- pula, S., alt. 1000™, semel vidi. Ex America septentrionali unicam speciem (L. clypeata, Schwein.) habemus. Alize paucie species adveniunt in insulis Antillis et Brasilia, quarum 2 (vel plures) etiam.in Africa australi habitant. Singula species Asiatica etiam in Brasilia et Peruvia lecta est. Potissimam subgeneris expansionem in America australi esse ex his plane patet. § 1. MonoTrROPELLA: ramis 9 monotrope innovandis ; florescentia (in L, Lepriewrti excepta) dioica ; perranthat carinis pro more scabris. A. Dioice, rufescentes. F. basi semicordata. a. Bracteola distincte bifida. 1. A. L. porelloides. Elata. F. maxima elongata lingueeformia recte complicata. Folicla suborbiculata. Br. foliis subbreviores ; bracteola elliptica ad 4 bifida. Per. vix emersa longe 4gono-obpyramidata, facie antica 1-3 carinulata, postica 2 carinata, margine carinisque posticis angustissime alato-repanda. 2. A. L. unciloba. Pr. minor. F. late oblonga sinuato-complicata. Foliola oblata reniformi-orbiculata valde recurvo-cochleata, Br. foliis longi- ores; bracteola obovata breviter bifida. Per. emersa pyriformia 4-carinata, carinis leevibus v. subasperis. 3. A. L. badia, F. semicordato-ovato-oblonga, lobulo magno. Foliola late cuneato-orbiculata. Br. foliis equilonge ; bracteola magna lanceolato-oblonga apice angusto brevissime bifida. Per. subim- mersa cuneato-pyriformia compressula postice alte bicarinata, margine carinisque rugulosis. aa. Bracteola apice lato rotundata emarginatave. 4, A. L. recurvans, F, laxe imbricata oblonga, margine antico late re- curvo, subrecte complicata, lobulo magno (=f. $) inflato. Foliola suborbiculata recurvo-cochleata. Bracteola obovata subacute emargi- nata. Per. emersa pyriformi-oblonga compressula 5-carinata, carinis asperulis. 5. A. L. erispistipula. F. late imbricata ovato-elliptica subplana profunde sinuato-complicata, lobulo plus duplo breviore subplano. Foliola reniformia margine sinuato-crispa. Bracteola ligulato-oblonga obtuse subemarginata. Per. alte emersa pyriformia compressa, postice 3- carinata, antice 1-3-carinulata, subleevissima. 6._A. L. rufa. _F. confertissima semicordato-orbiculata, obliqua et oblata, lobulo 3-plo breviore subplano. Foliola majuscula reniformia fere duplo latiora quam longa, apice valde recurva. Bracteola prelate cuneata rotundato-truncata. Per. subemersa cuneata compressula acute 4-carinata (facie antica carinulata), carinis obsolete tuberculosis. TRANS. BOT. 800. EDIN. VOL. XV. M 90) ARCHI-LEJEUNEA. B. Monoice, pallide lurideve. F. basi haud semicordata. 7. A. L. Lepricurii. lata lurido-viridis F. subcontigua faleato- oblonga, lobulo 5-plo breviore subplano, Foliola oblato-orbiculata. Br. foliis minores; bracteola obovato-oblonga rotundata. Per. alte emersa pyriformia, apice depressa, subcompressa 5-carinata, carinis scabris. +t A. L. clypeata. Pusilla albido-viridis. F. subimbricata semiovata celluloso-crenulata, lobulo 3-plo breviore subplano. Foliola quadrato- rotunda. Br. foliis majores; bracteola rectangulari-oblonga retusula: Per. late obovata rotundata, antice leviter 1-, postice alte 2-3-carinata, carinis scabris. [America bor.]. § 2. DIBRACHIELLA: ramis 2 pro more apice primum ditropis (brachiatis) dein monotrope innovandis; floribus monoicis; perianthir carinis levissi- mis. 8. A. L. florentissima. Foliorum lobulus lobo plus 2-plo brevior. Foliola lobulis zequilonga subrotunda. Per. pyriformia longirostria. 9. A. L. Criigert. FF. lobulus lobo 5-plo brevior. Foliola foliis 3-4-plo minora subreniformia. Per. brevirostria. 1. AncHI-LEJEUNEA PORELLOIDES, Spruce. Hab. In sylvis fl. Negro et Uaupés, preecipue in sylvis humilioribus “caatingas” dictis, ad fruticum ramulos; frequens in San Carlos vicinia. In Andibus Peruviz, alt. circiter 1000™, rara. F 2°25 x 1:25; lob "75x °5; ¢ fy—ay3 f* 13 1°3, 10125; br 20; br 2:01:05 per 20x 0'3™™. Elatarufo-badia. Caudex in matrice seepe longissime repens, pedalis, caules 2-6-pollicares liberos assurgentes pendulosve—vel perszepe horizon- taliter patulos—substratiticatos, vage vel subpinnatim ramosos, ramis inequilongis interdum iteratim innovando-proliferis, proferens. Folia maxima confertim imbricata, horizontalia vel decurvo-secunda, plana, siccando fere immutata, e basi semicordata oblique elongato- ovato-oblonga, sublingueformia, rotundata obtusatave, margine antico plano, postico supra medium apiceque recurvo basin versus incurvo; lobulus 3-plo brevior ovato-rhomboideus acutus applanatus (nec inflatus); cellule mediocres vel majusculz, versus mediam basin ampliores, lobuli tamen minutulz ceteris 2-3-plo minores, omnes subeequilatere, pariete subincrassato, facie interna subrotunde, minute sinuate autem, granis chlorophylli paucis. Foliola tenera subplana late imbricata, foliis eequilata subduplo breviora, lobulos tegentia, orbiculata—in formis minoribus spe basi subquad- rata subcuneatave—apice rotunda retusulave, margine recurvula, a basi ad medium fere usque impresso-canaliculata. Flores dioici; 9 in ramo innovando-monotropo—rarissime dichotomo-— terminales. Bracteze foliis caulinis subbreviores lobo ligulato obtu- sato, lobulo paulo breviore dimidio fere angustiore subappresso tri- angulari-lanceolato vel late subulato; bracteola zequilonga elliptica vel elliptico-lanceolata ad 4 anguste bifida, segmentis subobtusis, acutis vel raro subacuminatis, seepe tortellis.—Folola infrafloralia 2 vel 3 pro more emarginata. Perianthia bracteis subzequilonga, raro longiora, pyriformia (potius longe tetragono-obpyramidata), 23-plo longiora quam lata, subcompressa, ex apice retuso brevirostria, facie antica apicem versus humiliter 1- ARCHI-LEJEUNEA, 91 (raro 8-) carinulata, postice alte bicarinata, carinis marginalibus posticisque angustissime alatis repandisque vel subtuberculatis. Andreecia in plant&é tenuiore magisque ramosa, terminalia vel medium ramum tenentia, julacea; bracteze sub 10-jugze foliis consecutivee sed duplo minores, inflate, parum inzequilob, diandre. Var. longiflora, Spruce, minor, magis compacta, s@pius subdichotoma. Folia breviora. Foliola tere duplo minora cuneato-orbiculata. Peri- anthia pro ratione majora emersa obovato-oblonga vel obpyramidata, angulis repando-cristulatis, facie antica superne 3-carinulata ; alia magis elongata, fere lineari-oblonga, carina antica singula, pentagono- prismatica.—Ad fl. Negro, juxta S. Gabriel et S. Carlos. Var. andina, Spruce, perianthiis haud raro postice asymmetrice 1-carinatis, se. vel altera carina obsolet& vel carinis 2 posticis approximatis in unam latam dorso subplanam quasi confluentibus.—In M. Campana et Guayrapurina, corticola. 2. ArcHI-LEJEUNEA UNCILOBA, Lindenb. Syn. Hep. 331. Hab. In arborum vetustarum cortice, raro in ramulis, secus flum. Amazonum (Pard, Santarem, Obidos, ete.); necnon per totum fi. Negro (S. Gabriel, S. Carlos, etc.). Eandem speciem habuerunt cl. auctores “Syn. Hep.” e Brasilia, Peruvia et Mexico (necnon e C. Bonz Spei ?). F1:0x0:8, 1:05 ‘75; lob 35x ‘3, 3x25; cg; f'* 6x9, 6x “75, moran leon per lo x 10, 1-5 x Fomm, Procerula depresso-ceespitosa substratificata flavida vel rufo-badia. Caudex in cortice longe repens, caules subliberos 1-2-pollicares vage ramosos —interdum decompositos—flaccidos proferens. Folia confertim imbricata planiuscula vel seepius decurvo-concava, solum basi antica recurvula, late semicordato-oblonga, rotundata, subabrupte sinuato-complicata; lobulus triplo brevior ovali-rhombeus acutus apiculatusve appressus fere planissimus; cellule parvule subcon- formes pellucidie, pariete ad angulos preecipue incrassato, intus plus minus distincte plurisinuate, chlorophyllo in annulum congesto. Foliola imbricata, 4 folium superantia, dimidio latiora quam longa, lobu- los totos obyelantia, oblato-orbiculata reniformiave, basi excavato- amplexantia, e margine toto recurvo cochleata. Flores dioici: ? terminales, cum innovatione (raro prolifera). Bractez folia excedentes, ad 3 usque bifidee, lobo oblongo rotundato, lobulo sepe vix breviore, angustiore tamen, acuto vel acuminulato; bracteola obovata breviter acute bitida. Perianthia foliis dimidio longiora, pyriformia, rostellata, compressa, antice depressa apicemque versus interdum 1-carinulata, postice bicarinata, carinis leevissimis vel obsolete tuberculosis, raro magis asperis, demum apice 3-4-fida; cellulz superiores pulchre guttulate, longitudinaliter seriatze, quasi moniliate. Calyptra totum perianthium replens, pyriformis, apice subequaliter 4-fida, valvula quarta ceteris sublatiore (valvulis 2 connatis constante). Andreecia in ramis basilaria, media, apicaliave, spicata; bracteze foliis sensim minores 6-20-jugze; antheridia bina magna, altero longius stipitato. Plantula in terris Amazonicis late dispersa, sat variabilis, Forma 92 ARCHI-LEJEUNEA. grandiolia-adest juxta Obidos et ad fl. Caipura, lobulo margine supero rotundato, apice in supremis foliis apiculato-acuto, in inferioribus autem solum abrupte acuto vel etiam rotundato.—Altera forma, e fl. Uaupes, foliola hic majora lobulos obyelantia, illic per intervalla minora lobulorum apices haud attingentia, habet. Ad Manaos fl. Negro advenit forma pusilla, lobulis seepe diminutis, foliolis magnitudine variis; altera ad Para, in Mastigobryo repens, elongata, foliolis minoribus, lobulos raro obtegentibus.— Forme insigniores sunt : Var. intermedia, floribunda. Lobulus dimidium folium fere equans foliolis parvulis raro obvelatus, acutus nec apiculatus. Perianthia postice distincte bicarinata, carinis approximatis inferne oltusis—quasi in unicam latam confluentibus—solum apicem versus magis argutis; margine plus minusscaberula, interdum grosse subserrata.—Caript, prope Para, in cortice. Var. unicarinata. Lobulus parvus, folio 4-5-plo brevior, acutus. Peri- anthia magis compressa, apice rotundata vel obcordata, carinis posticis parum prominulis sepissime in unicam obtusam coalitis, margine sub- levissima.—Pard, in cortice. 3. ARCHI-LEJEUNEA BADIA, Spruce. ; os foliaque viva in “ caatingas” fluvii Uaupes. Hab. Ad ramulos foliaq “caatingas” fl Uaupes F 1:55 x10, 18x 1:05; lob 55x °35, °7x°5; ge; fle 7x75, 8x15; br. lob 18 x “7—"8 5 br’ 2:0 1-05; per 1°95 x 1:05™™, Elatiuscula, badia. Caules 1-14-pollicares, e caudice longe repente, ultra matricem horizontaliter patuli, ramosi, substratificati, ramis confertis iteratim proliferis monotropis. Folia dense (ultra 4 lat.) imbricata, semicordato-ovato-oblonga, sublingue- formia, apice decurvo obtusata—raro subacuta rotundatave, margine antico late recurva, postico subrecte complicata ; lobulus magnus= folii 2, vel (raro) dimidium fere folium zquans, planiusculus, semi- ovato-rhomboideus apiculato-acutus, minime foliolo proximo obve- latus sed ultra ejus orbem longe protensus; cellule subparvule pellucidee subconformes, pariete ad angulos et media latera insigniter incrassato. Foliola dimidio folio subeequilonga late cuneato-orbiculata-reniformiave recurvo-convexa, ad basin profunde foveolata—nec longe canaliculata qualia in affinibus. Flores dioici: terminales, innovatione prolifera suffulti. Bracteze foliis zquilongee, erectee, ad # vel fere ad basin usque complicato-bifide, lobis lanceolatis acutis, superiore plus minus acuminulato, inferiore paulo breviore duplo angustiore longe tenui-acuminato; bracteola imo longior, perianthium subsuperans, lanceolato-oblonga, apice angusto incurvulo brevissime (ad 2) acute bifida, segmentis acuminu- latis. Perianthia subimmersa, cuneato-pyriformia, compressula retusa subrostel- lata, antice depressa obscure carinulata, postice alte bicarinata (carinis subapproximatis), angulis omnibus rugulosis. Archi-L. recurvans, 8., priori e foliorum margine antico recurvo affinis, tenerior, colore clariore, est; differt etiam foliis laxe imbricatis, lobulo majore, cellulis submajoribus; sed praecipue bracteola multo minore apice lato solum emarginato, et perianthio emerso. From the base of the fold, which is the lowest point of the leaf, the ARCHI-LEJEUNEA. 93 base (or insertion) of the lobe and lobule is along two nearly contiguous lines parallel to the axis of the stem, on whose surface they ascend to nearly an equal height, the lobe very slightly higher than the lobule. 4, Arcui-LEJEUNEA RECURVANS, Spruce. Hab. Per fl. Negro totum ad arbuscularum ramulos foliaque, preecipue in sylvis “caatingas” circa S. Gabriel et S. Carlos. F14x°9; lob -7x-4; c dy; f 6x7; br. lob 15x 7; br’* 12x 6; per L38 HaArpa-LEJEUNEA. 169 2. Harpa-LeJEuNEA CincHon#, Nees. Syn. Hep. 342. «Hab. In M. Tunguragua, alt. 2000-2500m., corticola. In cortice Peru- viano (Pauckert in hb. Hampe). F 4x -28 (sine lobulo) x°35 (cum lob.) ; lob 15; ¢ Ay; f™ 08x'12; br (lob) 8x °45 br’ -5x°3; per 12x -5™™, Pusilla pallida dense stratificata subczespitosaque. Caules pollicares, basi subdenudata repentes, dein arcuato-assurgentes, foliosi, vage ramosi seepe decompositi, ramis tamen paucis, dissitis, aliis dichotomis. 1 olia laxe imbricata, basi assurgentia, apice devexa, sacculo basali ademto semiovalia v. semicireularia, subacuta vel szepius obtusa, margine antico rotundato basi semicordato, postico ab apice fere ad % long. usque recto horizontali, dein valde sinuato et in sacculum ovato- fusiformem, apice brevi (lobulo vero) acuto occulto patenteve, con- voluto ; cellule parve pellucide guttulatze subincrassate plane, chlorophyllo in sieco annulari. Foliola distantia, foliis 5-plo minora, subplana, late cuneato-obovata reniformiave (latiora quam longa) late retuso-emarginata, angulis rotundatis. Flores dioici: 9 in ramorum dichotomiis, raro innovatione solitaria suf- fulti. Bracteze maximee, foliis 2-plo majores, erect, dinidiato- ovales, altera acuta altera obtusa, acd 4 complicato-bilobze, ad plicam anguste alatze, lobulo 4 breviore angustioreque rotundato seepe mar- ginato; bracteola bracteis longe brevior obovato-oblonga rotundato- truncata repandula subplana, Perianthia emersa, f. caulinis 3-plo longiora pyriformia, v. fusiformia (basi attenuata), ab ipsa basi argute pentagona—vel potius pentap- tera—angulis al&é angusta 2 ¢. crassa limbatis, apiceque spinis 2 v. 3 subulatis recurvulis (cornua simulantibus) armatis, Calyptra magna tenuis. Planta pulchella, ex habitu et floribus dichotomialibus ad Hygro- Lejeuneam catinuliferam plane accedens, cvteris caracteribus valde diversa, 3. Harpa-LEJEUNEA ANCISTRODES, Spruce. (Tas. V.) Hab. Quisapincha, prope Ambato; etiam super montem Tunguragua, alt. 3000™., in arboribus vetustis, supra Lejeuneam catinuliferam repeus. #5 x30, lob 2, ¢ ge; fit 2x 2s br, lob -Oxhy Or™ "75x S per Dior ch™, Pusilla pallide viridis fragilis flaccida; caules j-pollicares prostrati pin- natim subramosi, ramis 9 furcatis. Folia tenerrima pellucida imbricata, faleato-divergentia, oblique ovali- lanceolata acuminata acuta, acumine decurvo-uncinato, caulem antice late transeuntia, integerrima vix obscure celluloso-crenulata, valde sinuato-complicata; lobulus 4 folium fere zquans, anguste ovatus inflatus acutus, apice tamen seepissime involuto; cellule parvule leptodermes, chlorophyllo parco in annulum congesto, pauce (4-6) basin versus duplo majores vacue in ocellum plerumque aggregate. Foliola subcontigua dissitave, foliis 24-plo breviora, late obcordato-cuneata, subcarinata, sinu lato lunulari, angulis obtusatis. TRANS. BOT. SOC. EDIN. VOL. XV. BY; 170 HaARpPA-LEJEUNEA. Fl]. dioici: @ terminales, innovationibus 2 oppositis suffulti. Bractece foliis fere duplo longiores, patule decurvee, paulo ultra medium complicato-bilobee, ad carinam peranguste alate, ad sinum devexe; lobi antici oblique lanceolati subacuminati acuti subintegerrimi; lobuli paulo breviores, sat angustiores, rhomboidei obtusati, alter sublatior seepe bilobus; bracteola paulo brevior, bast utrinque connata, cuneato-oblonga ab apice ad 4-4 alt. acute emarginato-biloba, seg- mentis obtusatis, Perianthia vix emersa, obovata, alte 5-carinata, apice depresso brevi- rostellata, carinis apice rotundato-prominulis papillaque una alterave vix scaberulis. Andreecia cauligena, f. caulino equilonga, compresso-globosa ; bracteze 2-3-jugee majuscule. L. stricta L. et G. (Syn. Hep. 756) nostree certe proxima, differre videtur caule stricto; foliis minus decurvis ovatis acuminatis; foliolis minutis; perianthiis brevioribus.—L. ovata Tayl. (a qua vix distincta videtur L. stricta) a L. uncinata diversa est foliis validioribus opacis, apice breviore vix acuminato, lobulo minore sed turgidiore, cellulis dimidio minoribus, ocello minore (2 cell. constante); foliolis duplo minoribus oblatis; bracteis conformibus duplo fere minoribus, basi utrinque cum bracteola connatis; innovatione floris fceminei unilaterali, 4, Harpa-LEJEUNEA TENUICUSPIS, Spruce. Hub. In arborum truncis fl. Negro inundatis, sepe cum aliis Lejewneis immixta: pl, ? sterilis. FeAx 25 lob 125; ¢ Ay; fi 05-075 br. lob 6x25; bra -4 x 28mm, Pusilla, viridis, aliquando ccerulescens, siccando sublurida. Caules Z- pollicares, vage ramosi, ramis szepe elongatis flaccidis. Folia dissita, patula, apice insigniter hamato-decurva, valde oblique ovato- lanceolata cuspidato- -acuminata, cuspide sub 5 cell. longa, le. (basi 2c.) lata, repanda, integerrima v. parum celluloso- crenulata, basin versus (sub lobuli margine) ocellata, a basi (cum lobulo) saccata extus valde convexa semierecta, abrupte divergentia; lobulus plus 3-plo brevior late semiovoideus turgidus, margine inflexo parum obliquo, apice acuto occulto, raro obsoletus; cellule minutule vix paulo incrassate subprominule ambitu opacee, ocelli 2 v. 3¢. cellule cxteris duplo majores vacue. Foliola minuta foliis 8-plo breviora, oblato-obovata, ad 4 fere subacute biloba, lobis divergentibus rotundatis. Flores dioici: 9? in ramo sepissime perbrevi—raro longiore—terminales. innovatione unilaterali brevi Sinnice suffulti. Bractez erecto- -patule, subplane (parum incurvee) ad } complicato-bilobe, celluloso-crenu- latee, obiter subdenticulatee, ad carinam acutam vix rudimentarie alatze, lobo longe oblique lanceolato subacuminato raro subeuspidato acuto, lobulo fere duplo breviore obovato-oblongo exciso-truncato; bracteola sat brevior, obovato-lanceolata emarginato- biloba, sinu sub- acuto, apicibus rotundatis, 5. Harpa-LEJEUNEA PILIFERA, Spruce. Hab. In sylva Amazonica, hic illic in cortice, rara vel ob minutie preeter- visa, semper aliis hepaticis, Lejewneis preecipue, irrepens : Caript prope HARPA-LEJEUNEA. LT Para; S. Carlos del Rio Negro; Marona-yacu prope Tarapoto, alt. 600™,, in Bryo-Lejewnea diffusa. F -4x ‘2, cuspis “1-125, lob “1, c ay; f'* 07 x ‘07; br. lobus 6 x °3™™, Pusilla pallida pellucida. Caules 4-pollicares, vage vel subpinnatim ramosi, arcte repentes. Folia vix ad lobulum usque imbricata, subplana vel decurva, oblique ovata, basi lata vix semicordata, ex apice acuto longe piliformi- cuspidata (cuspide 7 v. 8 cellulas longa) supra basin valide sinuato- complicata; lobulus 4-plo brevior, ovatus saccatus, margine apiceque involutus; cellule minutulz subconformes leptodermes, fere vacuze, 2 v. 3 inferiores (sub lobuli margine) cxeteris duplo majores ocellum sistentes. Foliola distantia minuta, foliis 6-plo minora, subrotunda, medio 6 cellulas lata, apice subacute bifida, segmentis rotundatis. Flores dioici: 2 in ramo brevi terminales, cum innovatione simplice. Bracteze foliis dimidio majores, seepe incurvee, ad 4 complicato- bilobze ; lobo antico oblique ovali plus minus cuspidato, medio margine antico sepius unidentato, rarius etiam subdenticulato ; lobulo duplo breviore angustioreque, apice vel spinuloso-tridentato vel acuminato et varie subdentato; bracteola brevior ligulato-oblonga ad 4 bifida, sinu segmentisque acutis, margine repando vel sub- denticulato. LT. L. Delessertit Mont., Dominicensis Mont., Owaihiensis Gottsch. et cuspidata Gottsch., omnes ut videretur nostree affines, foliola habent multo majora, in L. cuspidata etiam acutiloba. 6. HARPA-LEJEUNEA HOLOSTIPA, Spruce. Hab. Pard, in cortice, supra Frullaniam exilem Tayl. aliasque hepaticas repens; etiam ad Caripi aliisque locis flum. Amazonum ostiis prox- imis. F *3x ‘2, 25x +18; lob 125; c 3; f* 08x08; br 4x3; br’* 25 x :25; per on x oat: Minuta, viridis, laxe effusa. Caules 1-4-pollicares tenues flexuosi, in matrice paralleli, subsimplices v. parce vageque ramosi. Folia subdissita fere erecta (axi 4 caule parum divergente) assurgentia fornicato-concava obovata, rotundata, dimidio inferiore toto cum lobulo in sacculum magnum valde turgidum (fere hemisphericum), margine involutum, convoluta, dimidio superiore (lobulo ademto) fere orbiculata, cochleata; cellule praminutz leptodermes con- vexulee, ambitu opace, centro pellucidee. Foliola foliis 3-4-plo minora, distantia, rotunda integra, 8-10 cellulas lata. Flores dioici: 9 in ramo terminales, innovatione simplice suffulti, Bractez foliis majores obovato-rotundee concavee, ad ? bifidee, lobulo parvo lineari explanato; bracteola bracteis brevior obcordato-orbicu- lata cochleato-concava. Perianthia emersa obovata subturbinata, vix compressa, in rostellum sub- sensim angustata, acute 5-carinata, leevissima. Andreecia in ramis plerumque terminalia, raro basilaria; bracteze pauci- (sub 4-) jugee, foliis caulinis imo majores, oblique ovato-rotunde com- plicatee turgidee apice subzequilobee. 172 HARPA-LEJEUNEA. Foliolis perfecte integris a ceteris omnibus sui subgeneris distinctis- sima.—Brachio-Lejeunee laxifolie, Tay]. ex longinquo subaffinis.—Melius forsan, cum H. L. erectifolia et megalantha, inter Micro-Lejewneas mili- taverit. 7. Harpa-LEJEUNEA MEGALANTHA, Spruce. Hab. S. Carlos del Rio Negro, in arbore vetusta, supra alias Lejeuncas repens. F -25x°15, -25x-125, lob °125, ¢ A; f™ 05; br (eaplicata) 5x°4; br* 4x °2 > per “6 X°3D, “5D x “25™™. Minuta pallida ; caules }-pollicares, filiformes, vage ramosi, implexi. Folia longe distantia suberecta (axi a caule paulo divergente) oblonga obovatave rotundata, obtusa, vel abrupte acuta, basi rotundato-saccata, margine celluloso-crenata, medio subsinuato-complicata ; lobulus (=dimidium folium) fere hemisphzericus, margine incurvo tamen suboliquo, turgidus, apice plerumque occulto, vel conspicuo et exciso; cellulz subconformes, parvee, pellucide, marginales papuloso-promi- nul. Folia ramea nune elobulata, nunc (in ramis elongatis) ad sacculum basilarem solum fere radacta. Foliola minuta folio 5-plo minora, caule haud latiora, subrotunda, ad medium subacute bifida. Flores dioici: 9 terminales, innovatione (plerumque simplice) suffulti; bracteze maxime, foliis duplo majores, divergentes, obovate sub- apiculato-acutz et seepius hic illic angulato-denticulate, breviter (ad 4) bifidee parum complicate, lobulo plus minus breviore angus- tioreque; bracteola spathulato-ligulata ad 4 solum bifida, segmentis patulis acuminulato-acutis, sepe utrinque 1-dentata. Perianthia magna, foliis plus 2-plo majora, pellucida fuscidula, pyri- formia, vix compressa, alte 5-carinata, carinis sublzevissimis, rostello obsoleto. Affinis L. erectifolie cui tamen sunt flores monoici; folia exacte erecta, cellulis preeminutis opacis; foliola dimidio majora; bractearum minorum lobus obtusus integerrimus ; bracteola obovata obtusiloba integerrima, et perianthia sat compressa. 8. Harpa-LEJEUNEA GALEATA, Spruce. Hab. In M. Campana Andium Peruvianorum, ad saxa, alt. 1200™ ; etiam in M, Chimborazo, ad corticem. F'6x"5, 5 X°5; lob 13; ¢ A, ff 15; & 4; pr isxb ti Pusilla, e pallide viridi olivacea, plagas latas densas efformans. Caules 4-1-pollicares flexuosi tenaces pinnatim ramosi subprostrati valde implexi, basin versus, e foliis caducis v. eorum Icbulis solis yelictis, plus minus denudati. Folia subimbricata assurgentia—caulina seepe squarrosa—basi angusta subtransversa inserta, unde facile soluta, fornicato-concava v. potius galeata, tenerrima, pellucida; valde oblique semicordato-ovata, apice deflexo obtusa rotundatave, raro subacuta, antice caulem late trans- euntia, basi postica valde sinuato-complicata, lobulo sub 4-plo breviore ovato inflato, dente apicali conspicuo; f. ramea caulinis seepe 2-plo minora; cellule parvule subequimagne subplane. HARPA-LEJEUNEA. 173 Foliola foliis fere 4-plo minora, subrotunda, vix ad 4 usque bifida, seg- mentis acutis subobtusisve. Flores dioici: 9 in ramo brevissimo terminales, innovatione brevi sim- plice suffulti. Bractee foliis $ breviores, fragiles, late oblong, lobulo parvo plano; bracteola lanceolato-oblonga ad 4 bifida. Perianthia alte emersa, foliis duplo longiora, obconico-pyriformia—demum elongata, clavata, quasi-stipitata—brevirostellata, supra medium alte argute 6-carinata, carinis complanatis leevissimis. Andreecia cauligena, folium collaterale subsequantia, bracteis 3—4-jugis. Plantula singularis, e foliis arcuatis galeatis, basi valde constrictis ibidemque szepe ad sacculum solum redactis, unde spatulata viderentur. 9. Harpa-LEJEUNEA ERECTIFOLIA, Spruce. Hab. F). Uaupés, in arborum ramis, supra Archi-Lejeuneam porelloidem repens ; etiam ad fl. Negro in Radula pseudostachya. F 25 x °125, lob °125, ¢ 3; f'* 075; br 325; per ‘6 x ‘35, °75 x 35mm, Minuta pallide viridis prostrata Caules }-pollicares tenuissimi vage vel pinnatim ramosi. Folia contigua vel subdissita, fere longitudinaliter inserta, erecta (axi majore cauli parallela) oblonga, utroque fine rotundata (margine postico antico duplo fere longiore), recte complicato-biloba, ad cari- nam moniliato-papulosa; lobulus ceetero folio subsequilatus, duplo brevior, inflatus, margine involuto, apice exciso-apiculato porrecto v. occulto; cellule minutissimz conformes opacee leptodermes guttu- latze papuloso-prominule. Foliola foliis triplo minora, valde diaphana, ovali-orbiculata, ad } bifida, sinu segmentisque subacutis. Flores monoici: @ in ramo brevi terminales, innovatione suffulti. Bracteee foliis majores obovate obtuse, lobulo duplo breviore line- ari-rhomboideo acuto; bracteola obovata breviter bifida, segmentis obtusis. Perianthia pro plantula maxima, foliis triplo longiora, pyriformia subcompressa, postice bicarinata, antice apicem versus leviter cari- nulata, carinis repandis levibus—demum (fructu emisso) basi elon- gata, subinfundibulata. Calyptra rufa ovali-fusiformis stipitata. Capsula globosa pallida. Andrecia in ramis terminalia, spicata; bracteze 3-5-juge subrotunde, cellulis prominulis scabree, submuriculate. Plantula facile distincta, affinitate inter Harpa-Lejeuneas et Micro- Lejeuneas media, melius forsan cum his collocata. Facie et magnitudine L. holostipa simillima est, cui tamen adsunt foliola perfecte integra, folia obovata, perianthia alte 5-carinata, etc. Planta Negrensis lobulum apiculo longiore recto donatum habet. 10. Harpa-LEJEUNEA SUBSPATHULATA, Spruce. Hab. In Andium Quitensium radicibus, juxta fluv. Bombonasa, in cortice. F'°45 x3 x ‘2, lob “18, ¢ 353 f"* 075; br “65x °4; br’@ 35x38; per 5x “25mm, Fusilla albescens, siccando fuscidula. Caules semipollicares repentes 174 HARPA-LEJEUNEA. subpinnatim ramosi, ramis confertis assurgenti-arcuatis subcespi- tosis. Folia subimbricata assurgentia, dein fornicato-decurva, ex angusta basi obovata spathulatave, rotundata obtusatave, celluloso - crenulata (rarius-serrulata), infra medium valide sinuato-complicata; lobulus folio vix triplo brevior semiovatus saccatus, margine obliquo invo- luto, apice abscondito; cellule mediocres subpellucide, inferiores sensim majores longioresque, submarginales sole in conum obtusum acutumve prominule. Foliola foliis 6-plo breviora, subrotunda, ad 4 bifida, sinu segmentisque subacutis. Flores monoici: ? in ramo perbrevi—raro longiore, vel in ipso caule terminales, innovatione simplice suffulti. Bractez foliis caulinis dimidio majores, ab apice ad #? alt. bilobee, complicate vel seepe non, muricato-erosulz, lobo semiobovato vel semispathulato acuto vel obtuso, lobulo angustiusculo lanceolato; bracteola duplo fere minor, late oblonga, ad 4 bifida, sinu latiusculo subacuto, Perianthia subimmersa, anguste pyriformi-oblonga, supra medium 5- carinata, carinis papuloso-cristulatis, apice umbonato-prominulis— quasi rudimentarie cornutis. Amenta ¢ ramulo foliis caulinis longiore constantia; bracteze pleramque 5-jugee, raro pluri-(10-20-) jugee. Foliis paulo densioribus, parum divergentibus, seepe assurgenti-subse- cundis, valde concavis, rotundatis obtusatisve, crenulatis; bracteis maxi- mis; perianthiis parvis subimmersis; andreeciis longispicis; etc., a L. tenuistipula plerisque aliis ejusdem subgeneris differt, 11. Harpa-LEJEUNEA GOMPHOCALYX, Spruce. Hab. Ad fluvium Negro, supra fl. Casiquiari ostia, in cortice. F 5x -4,°4x°35, lob. 1, ¢ Aygo; f* 08 x.08; br °4; br’ 35x15; per 1LOxXs™™. Albida vel pallide viridis, siccando fuscescens, flaccida prostrata. Caules semipollicares teneri ineequaliter pinnati vel subbipinnati, ramis as- surgentibus arcuatis. Folia paululum imbricata, supra plicam basalem semiverticalem diver- gentia, valde decurvo-fornicata, late oblique semiovata abrupte acuta, margine toto celluloso-creuulata; lobulus folio 4-5-plo minor, de- currens, inflatus, ad plicam convexus, margine (ex involutione) transverso, apice occulto; cellule parve subzequilatere pellucide, marginales obtuse prominule, ceteree subplane, vel pauce superi- ores convexulz, ocello nullo. Foliola minuta, foliis 5-6-plo breviora, rotunda cuneatove-rotunda. ad medium bifida, segmentis obtusis. ; Flores monoici: ? in ramulo brevi terminales, innovatione simplice suffulti. Bracteze foliis minores appresse ultra medium bifide, lobo oblique lanceolato acuto, lobulo lineari apice subulato; bracteola lineari-cuneata ad 4 bifida, sezmentis acutis obtusisve. Perianthia alte emersa, foliis caulinis duplo longiora, lineari-prismatica vel subclavata rotundato-truncata brevirostria, compressa 5-carinata, carinis crebre papillosis. Andreecia ramulo brevi, folio caulino equilongo, constantia; bractee 3- 4-juge, HARPA-LEJEUNEA. L75 Ab hae distat Harpa-L. trachygona textura firmiore (minime flaccida) ; foliis caulinis subelobulatis, rameis subacuminatis, minus distincte crenu- latis; perianthiis brevioribus (pyriformibus nec claviformibus), carinis altioribus asperrimis. 12, Harpa-LEJEUNEA TRACHYGONA, Spruce. Hub. In monte Pingullu, supra pagum Tavalosos Andium Peruvianorum, in cortice. Ff -4x°3, 43 x ‘35, lob *1 v. 0,¢ ay; f™ ‘08x ‘08; br. lob 35x -15; br4 3X1; per 65 x 35mm, Pusilla caespitoso-procumbens, ex olivaceo-viridi rufula; caules }-polli- cares flexuosi Ineequaliter pinnati, ramis seepe arcuatis. Folia parum imbricata late patula apice decurvula (ramorum fornicata) oblique ovata acuta subacuminatave repandula celluloso-subcrenu- lata, caulina basi obscurissime complicata (vel non), ramea caulinaque superiora plerumque abrupte sinuato-complicata; lobulus folio 3—-4- plo brevior subovatus extus rotundatus; cellule: subconformes parvee pellucidee leptodermes, Foliola distantia, minuta, foliis 5-plo minora obovato-rotunda fere ad medium bifida, segmentis subobtusis, Flores monoici: ? in ramo perbrevi terminales, innovatione simplice suffulti. Bractez foliis subminores, appressee, ad medium bitide, acute, lobo lanceolato, lobulo parvo lineari-lanceolato; bracteola cuneato-lanceolata, 3-plo longior quam lata, ad } acute bifida, seg- mentis acutis. Perianthia alte emersa, foliis dimidio majora, pyriformia, compressula, pellucida, brevi-rostellata, 5-carinata, carinis compressis crebre muri- culatis papillosisve. Amenta ¢ cauligena, folio caulino zquilonga; bractez 4-jugze, mediocres, 1—-2-andre. 13. Harpa-LEJEUNEA ASPRELLA, Spruce. (Tas. V.) Hab. In M. Guayrapurina, Andium Peruvie super truncos putridos. 4x35; lob; ¢ gy; fi 06; br 35; per “6x 25mm, Pusilla, albescens, late dense czespitosa. Caudex repens matrici arcte adfixus, caules }—4-poll. fastigiato-czespitosos arcuantes parum ramosos, raro subpinnatos, edens. Folia subimbricata valde hamato-decurva a basi angusta prelate semi- ovata acuta, facie margineque celluloso-echinata-denticulataque, basin versus valde sinuato-complicata, lobulo 4-plo breviore ovato inflato; cellule parvule sequilateree, omnes fere insigniter conico-prominule, marginales anticze sensim minores, subbasales submajores planio- resque. Foliola minuta foliis 6-7-plo breviora patula subrotunda ad } bifida sub- acuta. Flores monoici: @ terminales, cum innovatione. Bracte foliis sub- minores bilob, raro complicate, lobo obovato-lanceolato, lobulo parvo lineari; bracteola elongato-cuneata bifida. Perianthia alte emersa, f. caulinis dimidio longiora, anguste clavato- pyriformia, seepe subfusiformia, i.e. apicem versus in rostellum brevem sensim attenuata, tota facie supra medium, ad carinas precipue,; crebre acute muriculata. 176 HaArpA-LEJEUNEA. Andreecia subcylindrica tenuia ; bractee 3-6-jugze ; antheridia solitaria binave (altero minore). Pulchra species, L. subspatulate S. affinis, valde distincta tamen, pre- cipue perianthiis ex involucro parvo alte emersis, foliisque asperrimis.— A L. tenuistipula L. et G. certe distare videtur foliis facie fere tota echinatis, cellulis submajoribus; foliolis preeminutis; perianthiis angus- tioribus valde exasperatis. L. semiscabrida G. in Hep. N.-Granat. 60, habet folia subapiculata, solum dimidio supero echinata; foliola obcuneata extus utrinque unidentata. 14. Harpa-LEJEUNEA DIVERSICUSPIS, Spruce. Hab. Ad fluvii Negro cataractas, in cortice, cum aliis Lejeuneis intricata. F 3x°3, ‘°3x°25, lob -08—12, ¢ A,-;; foliola -07—08; br 3; br's 25 x°125 ; per 45x ‘25, 55x “33m, Minuta pallida, siccando fuscidula, dense czespitoso-repens. Caules 3-} pollicis longi tenues fragiles subramosi, ramis inzequilongis. Folia parum imbricata valde obliqua, a plica basali suberecta divergentia, late ovata obtusa vel abrupte acuta, raro leviter acuminulata, inter- dum rotundata, repanda, superne celluloso-crenulata integerrimave, pulchre pellucido-reticulata, infra medium profundissime sinuato- complicata; lobulus folio 2-4-plo brevior subhemisphzricus, margine transverso involuto; cellule pellucide parve subpachydermes, mar- ginales minores subquadrate subopace. Foliola distantia, foliis 4-plo minora, subrotunda, ad medium bifida, segmentis acutis. Flores monoici; in ramo primum brevi, demum innovando-elongato, terminales. Bractez foliis zquilonge ad 2 bilobe, lobo oblique ovali acuto, lobulo oblongo linearive; bracteola angusta cuneato- lanceolata ad 3 acute bifida, segmentis erectis acutis. Perianthia foliis majora emersa pyriformia compressula 5-carinata, carinis papillosis interdum rudimentarie alatis. Andreecia cauligena, folinm collaterale subexcedentia; bractezee 3—4-jugze turgidze, foliis duplo breviores. Folia, nisi pro lobulo turgidissimo, szepe fere plana, alia apice hamata, caulina fere semper lobulata, ramulina lobulo nune ad pliculam planam redacto, nunc magno folio vix duplo minore. _ AL. paratropa S. certe distincta est minutie; foliis plus minus obtusis —nunquam distincte acuminatis; perianthiis brevioribus (haud clavatis), carinis superne scabridis sed non spinulosis; precipue autem foliolorum segmentis acutis. 15. Harpa-LEJEUNEA PARATROPA, Spruce. Hab. In M. Campana Andium Peruvianorum, cum L. galeata aliisque Lejeuneis, in cortice. F 4x -35, lob 125-15, c J: ; f! -1x°075; br °3; br'* 25x08; per “6x 95mm, ‘ Pusilla olivaceo-viridis, post siccationem valde flaccida. Caules prostrati intricati, $-1-poll. longi. tenues flexuosi, vage pinnatimve ramosi. Folia contigua dissitave, a basi semierecta divergentia, late oblique ovata abrupte acuminata acuta, obscure celluloso-crenulata valde Harpa-LeEJEUNEA. 477 sinuato-complicata:; lobulus subtriplo brevior saccato-decurrens sub- ovatus convolutus, apice occulto; cellule subparve pellucide, infe- riores sensim majores. Foliola foliis 4-plo minora cuneato-obovata vix ad medium usque bifida, segmentis obtusis patulis. Flores monoici; 9 in ramo brevissimo terminales, innovatione simplice suffulti. Bracteze foliis minores, oblique obovato-lanceolate acute, ad medium bifida, lobulo angusto lineari; bracteola foliolis duplo major, cuneato-ligulata vix ad medium bifida, segmentis subobtusis. Perianthia alte emersa, foliis caulinis dimidio longiora, clavata, brevi- rostria compressula anguste 5-carinata, carinis papuloso-scaberulis, aliquando (nec constanter) apice pauci-spinulosis. Andreecia ramulo brevi cauligeno, folio subzequilongo, constantia, ovato- oblonga; bracteze parvulee sub 4-jugee. A L. galeata, 8.—seepe in eodem ceespite vigente-—distincta florescentia monoica; foliis acute subacuminatis subcrenulatis, et perianthiis apice scabris spinulosisve. 16, Harpa-LEJEUNEA SPINULIFLORA, Spruce, In fluvii Casiquiari ripis, supra Lejeuneas (L. Sagreanam aliasque) in cortice repens. Pew 20, 2x 10,6 a3 f° 0b; One Ox Ls per bx 25mm. Pusilla pallide fuscidula. Caules 4-pollicares filiformes parce et subpin- natim ramosi, aliis ramis elongatis. Folia longe distantia, angulo 70° patentia, subplana, oblique oblonga obovatave plerumque rotundata, basi obsoletissime complicata; cel- lulz parvulee pellucidz subconformes. Foliola minutissima, foliis 6-7-plo breviora, latitudine caulem haud ex- cedentia, oblonga, ad 4 bifida, segmentis late subulatis (3 cellulas longis basique latis). Flores dioici (?)—@ in ramo brevi terminales, innovatione suffulti. Bractez foliis subeequales, oblique obovato-lanceolatee vix ad medium bifidee, parvilobulate ; bracteola oblongo-ligulata breviter bifida, sinu segmentisque acutis. Perianthia bracteis dimidio longiora, pyriformia rotundata subretusave rostellata, antice 1-carinulata, postice 2-carinata, margine carinisque spinoso-cristata, spinis hamatis 3-4 cellulas longis, basi 1-2 cell. latis, valde decidius. Andreecia haud visa. Obs. Inter congeneres paulo aberrans est, e foliis planis rotundatis; perianthiis spinosis autem Harpa-L. blepharogone aliisque plane ac- cedit. 17. Harpa-LEJEUNEA ACANTHOGONA, Spruce. Hab. In M. Tunguragua, supra truncos putrescentes, F 6 x°35; lob-1; c. medie go—sy; f' °08; br °3; br’? 3x15; per “75 x 35 (spinis inclusis)™™, Pusilla, olivaceo-viridis, prostrata, intricata. Caules 2-3™ longi flexuosi laxe cellulosi, tenaces tamen, laxe pinnati, pinnis subsimplicibus. Folia subcontigua, e basi brevi saccat&é semierecté subdivergentia, decurvo- concaya, alia planiuscula, late oblique semicordato-ovata subtri- TRANS. BOT, SOC. EDIN. VOL. XV. Z 178 HaArpPA-LEJEUNEA. angularia, abrupte acuta obtusave raro obtusata, ad lobuli junctionem subsinuata; lobulus 6-plo brevior saccatus, margine sinuato-incurvo subtransverso, haud raro subobsoletus ; cellulee mediz mediocres, inferiores sensim majores, submarginales multo minores, omnes sub- equilaterze subincrassatee parum chlorophyllose fere planissime. F. ramea duplo fere minora. Foliola minuta, foliis 7-plo minora, orbiculata, ad medium bifida, sinu segmentisque subacutis. ’ Flores monoici: @ in ramo brevissimo terminales, innovatione brevi longioreve suffulti. Bracteze parvee, foliis 2-plo minores, appressee, bilobze vix complicatee, lobo oblique ovali acuto, vix ad medium usque cum lobulo lineari-lanceolato connato; bracteola libera anguste oblonga, vix ad 4 usque acute bifida. Perianthia alte emersa, foliis caulinis longiora, cylindrico-oblonga superne parum latiora, compressula, supra medium 5-carinata, carinis spinoso- cristatis-alatisve, apice brevi-rostellata. Amenta ¢ cauligena, f. caulino subequilonga, tenuia; bracteee 5-6-juge minutule. L. paratropa, 8. (e M. Campana), subsimilis, folia habet multo minora valde sinuato-complicata acuminata, lobulo pro ratione duplo majore; foliola majora cuneato-obovata haud ad 3} bifida, segmentis obtusis ; denique perianthia clavata, carinis solum scaberulis v. (rarissime) pauci- spinis. L. diversicuspis (e fl. Negro), foliola fere eadem ac L. acanthogone habet; folia tamen duplo minora, ad lobuli apicem profundissime sinuata, lobulo majore fere hemisphzerico; bracteas foliis eequimagnas; perianthia pyri- formia ad carinas solum submuricata. 18. Harpa-LEJEUNEA BLEPHAROGONA, Spruce. Hab. In monte Azuay, alt. 3000", in arborum ramulis, supra Tayloriam laciniatam S. repens. F 5x °4, lob *15; ¢ Ady; f* 18°15; br 4; br'* 4x2; per “75x -4mm (sine cilits); cilia *15™™ vel 8 c. longa. Pusilla virescens; caules 3-3 pollicares, ineequaliter subpinnatim ramosi. Folia dissita, superiora autem ramulinaque subimbricata patula decur- vulo-concava, late oblique semicordato-ovata rotundata, sinuato- complicata; lobulus rhombeus apiculato-acutus, inflatus et e marginis inflexione ovoideus; cellule parvee vix incrassate subopace, sub- plane, inferiores sensim majores, Foliola foliis 3-plo minora ovato-orbiculata ad v. paulo ultra } bifida, sinu obtuso, segmentis falcato-lanceolatis subobtusis. Flores monoici: Qin ramulo perbrevi, foliis 0-1-jugis stipato, innova- tione simplice tamen aucto, terminales. Bractee foliis subminores laxe complicato-bilobe, subdenticulatz, lobo obovato-rotundo, lobulo duplo minore subquadrato; bracteola cuneato-lanceolata, ad } bifida, segmentis subacuminatis acutis. Perianthia majuscula emersa obovata, subpellucida, ex apice retuso brevi- rostellata, praalte 5-carinata, carinis ciliato-spinosis, ciliis ad 8 ¢. longis, inferne 2 ec. latis. Amenta ¢ lateralia, folio caulino breviora; bracteze sub 3-jugee. L. acanthogona (e Tunguragua ) differt statura majore; foliis sub- HARPA-LEJEUNEA. 179 majoribus pro more subacutis, lobulo minore; foliolis minutis (plus duplo minoribus); bracteis subintegerrimis, angustioribus, lobulo lineari- lanceolato; demum perianthiis angustioribus subeylindricis, solum supra medium carinatis, carinis ala in spinas latiusculas incisa auctis. 19. STREPSI-LEJEUNEA INFLEXA, Hampe. in Lehm, Pug. vii., p. 22. Syn. Hep. 350. Hab. In fl. Negro sylvis, ad fructicum ramulos, necnon ad arborum radices irrigatas, rarius in cortice vetusto. Etiam in Surinamo et Antillis. F: 55x °4; lob "1-15; ¢ Ads; f 25-3; br 55; brie -5x-5, 5x45; TU P ES SSR D Majuscula mediocrisve, e pallide viridi flavescens, late effusa denseque subcespitosa. Caules pollicares pinnati bipinnatique, ramis assur- gentibus ineequilongis aliis polyphyllis. Folia ad lat. § v. ultra imbricata, subdivergentia, semicordato-ovata, apice decurvo tortili acutata acuminatave, papulosa, margine celluloso- repanda angulataque, superiora interdum apice grosse subdenticulata, margine postico subrecto solum ad lobuli apicem sinuato; lobulus folio 4-5-plo brevior rhomboideus triangularisve subacutus inflatus, mar- gine parum incurvo; cellule-parvee guttulate pellucide alte convexo- prominule, pariete incrassato, trigonis conspicuis, intus 6-sinuate ambituque anguste opace. Foliola contigua aut subimbricata, foliis subduplo breviora, basi brevi inserta (unde facile soluta), orbiculata, angulata, ad 3-3 bifida, sinu valde obtuso depresso, segmentis subacutis incurvis, raro radicelli- fera. Flores monoici; @ in ramis longiusculis—interdum in ipso caule— terminales, innovatione simplice, rarius iterum innovando-prolifera, suffulti. Bracteze foliis subzquales, paulo augustiores, subincurvee, acuminate, grosse repandee vy, subdenticulatze, ultra # bilobe, parum complicate, lobulo angusto apice lineari obtuso; bracteola majuscula orbiculata v. late elliptica incurva, apice ad 1 solum obtuse bifida, segmentis acuminulatis conniventibus. Perianthia majuscula foliis dimidio longiora pyriformia compressula rostellata acute 5-carinata, carinis rudimentarie alatis undulatis repandulisque sublevibus. Andreecia magna crebra, rami apicem vel totum fere tenentia; bractese pluri- (ad 15-) jugze, majusculz, foliis paulo minores, ad } fissze, fere equilobee, turgide papulose erosule. Ramum ¢ vidi supra andrce- cium denuo ramosum, aliis ramulis masculis, aliis normaliter foli- osis. 20. SrREPsI-LEJEUNEA GABRIELENSIS, Spruce. Hab. S. Gabriel, fluvii Negro, in cortice. L. inflece similis et forsan ejusdem varietas; differt autem statura subminore ; foliorum cellulis minoribus (,,-3,™™) opacis; foliolis sub- minoribus fere planis, segmentis obtusatis; bracteola angustiore ad } acute bifida; perianthio minore fere turbinato subobtuse 5-carinato; amentis ¢ multo brevioribus folio caulino paulo longioribus, bracteis solum 3-5-jugis laxiusculis; (bracteola 9 °38 x ‘28™™), 180 TRACHY-LEJEUNEA. Suscenus XXI.—TRACHY-LEJEUNEA, 8. Plant robustiusculz, raro pusillz, albicantes, siccando spe fuscescentes, pro more dense stratificatee, in vivo semper aqua repletz, post sicca- tionem haud facile emolliende. Caules prostrati pinnati bipinnative, valde tenaces, interdum purpurei sanguineive; rami inequilongi, seepe assurgentes dein apice attenuato decurvi. Folia imbricata, plerumque pellucida, decurvo-fornicata longiora quam lata, seepius subacuta obtusave, rarius rotundata v. subacuminata, nonnunq. in eadem stirpe varia, margine e cellulis prominulis crenu- lata serrulatave, in unica sp. apice spinosa, facie raro sublzevia, pler- umque asperula, in paucis muricato-asperrima, basin versus recte vel sinuato-complicata ; lobulus sub 4-plo brevior, raro subobsoletus; cellule in plurimis mediocres (;;—3;™™ diam.), in paucis parve— subbasales seepe duplo majores ocellum sistentes—pro more obtuse, rarius acute, in 7. L. papillata subulato-prominule, pariete plus minus incrassato, chlorophyllo haud copioso. Foliola subrotunda in pluribus parva minutave, foliis 3-7-plo minora, in paucis + folium subequantia, integerrima vel rarius spinulosa— in unica foliis imo majora spinosaque—in omnibus levissima, ad +-4 (raro ultra) bifida, segmentis acutis. Radicelle patentes valide apice nodoso-ramose. Flores in omnibus—T. L. acanthina excepta—monoici. Fl. 2 ramo bre- vissimo constantes, innovatione in plurimis nulla, in perpaucis brevi simplice suffulti. Bracteze foliis longiores, angustze, lobulatz, seepe faleatee hamateque, plerumque muricato-serrulate denticulate- que—raro spinulose; bracteola libera lineari-cuneata v. ovalis—raro orbiculata—rima angusta ad 1} (raro ultra) bifida, interdum integra, seepe denticulata, in L. acanthina argute subduplo-spinosa. Perianthia (nonnunq.-rufula v. etiam sanguinea) seepe angusta, clavato- pyriformia rotundato-truncata rostellata, plus minus compressa 5-cari- nata, carinis tenuibus tuberculosis papillosis v. muriculatis, interdum subalatis, in paucis sp. tota facie exasperata; in T. L. acanthina autem fere rotunda subleevissima. Amenta g ramulum brevem cauligenum, rarius rami longioris apicem solum tenentia; bracteze 3-6 jugee parve diandre. Cheilo-Lejeunea differt preecipue cellulis chlorophyllosis subopacis, minus et nunquam acute prominulis; foliis semper rotundatis; bracteis integerrimis ; perianthiis compressis incurvis, demum bilabiatis, carina antica subnulla, posticis sepe humillimis, nunquam exasperatis. Harpa-Lejeunea distincta est minutie, caule breviore tenuiore minus pinnato, ramis ? constanter innovatis; foliis perseepe acuminatis, lobulo majusculo, cellulis duplo minoribus; bracteis rarissime denticulatis; peri- anthiis interdum ad carinas spinoso-alatis. Hab. In truncis prostratis putrescentibus, in saxis vel in ipsa terra quartzosa, raro in cortice vivo vel in filicibus ; in planitierum sylvis humidis vulgate, in montibus rarissime. Distr. In sylva Amazonica, ad fl. Negro, Uaupés et Casiquiari precipne, valde frequentes conspicuzque, paucis speciebus autem constantes; unica species in Andibus Peruvianis, alt. circiter 1000™ viget. Ipse 6 species legi, omnes (ut videtur) novas. Czeteree species eidem subgeneri refer- ee osaaten omnes KEraithwate dd ad nat E Carter sc TRACHY LEJEUNEA ASPERIFLORA. a Tab VI , Mintem Bros. um; i9) TrACHY-LEJEUNFA. 181 endie perpauce videntur, nisi e descriptionibus difficillime recognoscende; 2 in ‘Syn. Hep.’ definitas haud sine dubio citare ausim, sc. L. oblongifolia L. et G., in cortice Cinchone lecta, et L. oculata G. ex insula Hawaii. L. papillata Mitt. autem, species Novo-Zelandica pulcherrima, certe huc referenda, nostre 7’. L. acanthine peraflinis. A. Ramus Q simplex. a. Foliola maxima, foliis imo majora, spinosa. 1, T. L. acanthina. Dioica. F. arcte imbricata ovalia acuminulata, facie insigniter tuberculosa, margine celluloso-erosa apiceque pauci- spina. Foliola cordato-orbiculata ultra } biloba. Bracteola foliolis subconformis subduplo spinosa. Per. fere orbicularis subacuta valde compressa alte 5-carinata fere leevissima. b. Foliola dimidium folium subexcedentia. 2. 7. L. asperrflora. Robusta seepe ceespitosa. F. parum imbricata falcato-divergentia semioblonga, apice decurvo rotundata v. subacuta, papulosa, lobulo sub 4-plo breviore. Foliola subcordato-rotunda ad vel ultra 4 bifida. Br. foliis longiores parum complicate: inaequi- lobe; bracteola ovalis ad $ anguste bifida, segmentis acuminulatis. Per. emersa clavato-pyriformia 5-gona, tota facie cellulis prominulis exasperata, c. Foliola foliis 2-5-plo minora. [T. L. papillata. F. subcontigua semiovato-lanceolata subobtusa margine facieque cellulis subulato-prominulis asperrima, lobulo plus duplo breviore levi. Foliola } folio subminora ovalia ad 4 bifida subspinu- losa tenuissima levissima, Bracteola ovali-lanceolata breviter biloba spinulosa. Per. alte emersa pyriformi-oblonga, basi excepta, tota facie setulosa, alte 5-carinata.—N. Zelandia,] 3. T. L. pellucidissima. F. late semiovata rotundata, interdum subacuta, erosula serrulatave, basi ocellata, lobulo 4-plo breviore. Foliola 3-4-plo breviora ovalia ultra 4 bifida utrinque swepe 1-dentata. Br. oblong muricato-serrulate anguste lobulate; bracteola oblonga apice bidentula. Per. subemersa pyriformi-oblonga subcompressa 5-carinata, carinis scaberulis interdum peranguste alatis. 4, T. L. pandurantha. Caules validi rufi pinnati, ramis areuatis, F. semiovato-oblonga seepius obtusata ocellata eroso-denticulata facie lzeviuscula, lobulo 5-plo breviore. Foliola lobulis eequilonga sub- rotundata vix ad $ bifida. Br. denticulatee, lobulo duplo breviore ; bracteola ovalis obtusa integra v. bidentata. Per. vix emersa pyri- formia compressula, ante apicem latum constricta, alte 5-carinata, carinis alatis denticulatis. B. Ramus 2 innovatione auctus. 5. T. L. Aquarius. Priori similis, arctius pinnata, ramis seepe parvifoliis, fcemineis innovatis. F. acutiora—ramea subacuminata—apice ser- rulata, facie muricato-aspera. Per. magna alte emersa clavato-pyri- formia, inferne teretia, superne compressa alteque 5-carinata, carinis subalatis, tota facie aspera. 6. T. L. immersa. F. ovata subacuta angulata crenulataque, lobulo 0. Foliola $ folium vix equantia orbiculata ad 4 bifida. Br, foliis multo longiores lanceolate crenulate denticulateeque minute lobu- 182 TRACHY-LEJEUNFA. latze; bracteola oblonga subacuta integra minute denticulata. Per. immersa pyriformi-oblonga supra medium 5-carinata, carinis papil- losis. 1, TRAcHY-LEJEUNEA ACANTHINA, Spruce. (Tas. VI.) Hab. In Andium Peruvianorum montibus humilioribus circa oppidum Tarapoto, alt. 800-1000™., supra saxa et truncos prostratos. F 6.x “35, lob +15; ¢ fe; fi* 5x55 br'9; br* 65X75 per bax bos Plantz procumbentes, dense implexo-czespitose, albicantes, in sicco inter- dum fuscescentes. Caules 3—}-pollicares flexuosi inzequaliter sub- pinnati, basi sola radicelliferi, ramis assurgentibus arcuatis. Folia opaca, dense imbricata, late patula fere divergentia, apice fornicato- decurva, oblique ovalia oblongave acuminulata, apice ineequaliter dentato-spinosa, v. inciso-2-3-dentata, dentibus cuspidatis, basin versus sinuato-complicata, facie tuberculoso-aspera, margine toto celluloso-erosa; lobulus 4-plo brevior ovatus inflatus, apice exciso- acutus; cellule parvule subopace parum elongate, insigniter papu- loso- prominule:, ad angulos valde incrassate, trigonis maximis, chlorophyllo parco cum cystis oleiferis curvulis anguste ovalibus raro subrotundis—in sicco interdum absorptis dispersisve—mixto. Foliola imbricata foliis parum breviora, latiora tamen superficieque foliis etiam maiora, cordato-orbiculata, ultra 4 biloba, lobis acutatis; mar- gine toto externo dentato-spinosa, spinis utrinque sub 5, integerrimis vel seepe denticulatis. Flores dioici:- 2 in ramo brevi longioreve terminales, innovatione nulla suffulti. Bracteze foliis dimidio longiores ad 4 complicato-bilobee, falcato-decurvee, lobo oblique ligulato- oblongo acuminato apice spinu- loso, lobulo parvo subulato spinuloso; bracteola foliclis paulo major, conformis, fere ad $ biloba, lobis tenui-acuminulatis, subduplo inciso- spinosa-ciliatave. Perianthia bracteola paulo minora, fere orbiculata, utroque fine subacuta, apice brevi-rostellata, basi paulo magis angustata, valde compressa, alte tamen 5-plicato-carinata, carinis fere levissimis solum e cellula hic illic prominula repandulis. Amenta ¢ ramulum, folio caulino duplo longiorem, v. totum v. ejus apicem solum tenentia, ovoidea; bractez 2—4-jugz, equitantes, eymbi- formi-complicatee, fere ‘add Lpilobz, lobis dimidiato-ovatis, antico sensim acuminato serrulato, postico } breviore triangulari- apiculato, anthe- ridia bina in eremio foventes.. Obs. Notabilis est Trachy-Lejeunea acanthina ob perianthia fere levis- sima inermiaque foliis asperrimis spinosis nupta. Foliolis maximis spinosis differt a ceteris omnibus Trachy-Lejeuneis. Omnium specierum nostre proxima, quanquam abunde distincta, est L. papillata Mitt. in Hook. f. Handb. Fl. N. Zealand, p. 533, cujus descriptionem videas ad pedem.* * Lejeunea papillata Mitt. 1. c. (N. Zealand, ad filicum frondes: SrncLArR! in hb. Hook.)—Pusilla tenella, Z. ovata Tayl. paulo major. Caules semi- pollicares vage ramosi, ramis pro more brevibus. Folia subcontigua dimidiato- ovato-lanceolata faleata obtusa vel abrupte subacuta, margine facieque externa tota fere insigniter setoso-papillosa, sinuato- complicata ; lobulus lobo plus duplo brevior ovali-fusiformis levissimus ; cellule parvule extus subulato-prominule, pauce subbasales laxiores subplane, lobuli autem minores planissime. Foliola 4 folium vix equantia, ovalia ad medium bifida, segmentis acutis, margine TRACHY-LEJEUNEA. 183 Primo visu inter Priono-Lejewneas collocanda, sed perianthia postice distincte acuteque bicarinata vetant.—Priono-L. mucronata Lacoste. (in Venezuela lecta) nostree ob folia muriculata subattinis; foliis abrupte tenui-apiculatis, foliolis ovatis profunde bifidis solum denticulatis, et (pre aliis) perianthiis obcordatis postice 1-carinatis margine ciliatis, differt—Priono-L. denticulata Sw., ob ramulos 9 haud innovatos, folia subacuminata denticulata facie asperula paulo accedit; statura tamen humili, foliolis integerrimis, et perianthiis obcordatis compresso-subplanis margine serrato-alatis, longius distat.—Odonto-L. Peruviana Lindenb. foliola habet seepe magna bifida serrataque, fere ac in nostra, structura tamen cellularum, ramo @ prolifero, forma perianthii, etc, recedit. Lophocolea fulvella Tayl. (sub Chiloscypho) e Cap. Horn, et L. Gayana Mont. (sub Chiloseypho) e Chili, quoad habitum, folia foliolaque dentata, cum nostra Lejewnea singulari modo congruunt, generice tametsi longe distant. 2. TRACHY-LEJEUNEA ASPERIFLORA, Spruce. (Tas. VII.) Hab. In sylvis humilioribus fluvii Negro prope S. Carlos, et fl. Uawpes juxta Panuré, in terra arenosa inter filices (Schizwas aliasque) qua- rum stipitibus irrepit. F-6x ‘5, lob 15 x 125, ¢ py; f'* 35 x °4; br. lob. aut 65 x ‘3; brie 55 x30; per ‘8x35; 1:0 x-4™m™, Pallida, sat robusta, prostrata vel haud raro czespitoso-erecta, Caules 1- 2-pollicares flexuosi parum ramosi, seepe ramulis Q pinnulati, radi- cellis suis flabellatis arcte repentes vel inter se adherentes. Folia subimbricata falcato-subdivergentia, apice decurvo hamata, semi- cordato-ovato-oblonga rotundata, rarius abrupte obtusa vel sub- acuta, margine eroso-repanda, basin versus recte vel subsinuato-com- plicata; lobulus 4-plo brevior ovato-rhombeus inflatus, apice acuto incurvo; cellule parvule prominule valde pellucide, ambitu anguste opacze, sinuoso-hexagone, pariete ad angulos insigniter incrassato. Foliola foliis vix duplo breviora, contigua vel subdissita, subcordato- rotunda, paulo latiora quam longa, ad medium—raro ultra—bifida, sinu triangulari, segmentis acutis, carinata, seepe squarroso-patentia, margine repandulo, Flores monoici: in ramo brevissimo, basi foliis parvis solum unijugis stipato, terminales. Bracteze foliis sublongiores valde falcatse involu- teeque ad 4 bifidee (nec semper complicatie), lobo ligulato-oblongo ob- tusato, Tonal duplo breviore anguste lanceolato acuto ; bracteola ovalis ad 4 bifida, segmentis acuminulatis contiguis for ficatisve. Perianthia er eal basi a bracteis demum subremota, clavata abrupte subacuta—rarius rotundata—obscure rostellata, subcompressa, 5- gona, tota facie (ad angulos preecipue) cellulis alte prominulis exas- perata, demum apice 2—5-valvia. Calyptra dimidio brevior pyri- formis apice demum bivalvis. Andreecia ramulo cauligeno sistentia, vel in ramo longiore—raro in ipso eroso-spinulosa, ceterum levissima, tenuissima fere vitrea. Flores monoici: @ in ramo brevissimo terminales, innovatione nulla. Bractez foliis minores oblique ovales ineequilobe; bracteola ovali-lanceolata apice breviter biloba: omnes spinulosee. Perianthia alte emersa pyriformi-oblonga, basi conica levi excepta setulosa, alte 5-carinata, carinis compressis apice rotundato-truncatis. Amenta g ramum brevem terminantia; bractex paucijuge majuscule turgide sublaeves. 184 TRACHY-LEJEUNEA. caule—terminalia, longispica; bracteze 5-12-jugze majuscule turgid diandrz laxe imbricate. Species insignis distinctissima, nisi pro perianthiis subzequaliter 5- gonis scabris inter Chetlo-Lejeuneas militaverit. 3. TRACHY-LEJEUNEA PELLUCIDISSIMA, Spruce. Hab. In cortice vetusto semiputrido juxta S. Carlos del Rio Negro, pre- cipue secus rivulum Cawapuna frequens; etiam ad Marabitanas, et in fl. Caipura (fl. Trombetas tributarii) ripis. F 6 x°‘5, lob *15-2, ¢ d—y; fl 15x °125, 2x15; br “75; br'* “6x35; per 8 X5™™, Albescens tenera valde pellucida laxe depresso-ceespitosa. Caules in matrice arcte repentes, seepe subparalleli, inferne subpinnati, apice longe simplices, aliis ramis assurgentibus apiceque decurvo radi- cantibus. Folia subimbricata decurvo-patula late semiovata rotundata, obtusa, vel abrupte subacuta, facie tuberculosa muriculatave, margine postico recto vel concavo integerrima, antico rotundato apiceque minute muricato-denticulata, basi subdecurrente complicata; lobulus 3-4-plo brevior ovato-fusiformis inflatus, apice brevi involuto; cellule mediocres valde pellucidze fere vacuz, granis chlorophylli perpaucis sparsis, raro in annulum incompletum angustum congestis, pariete ad angulos vix minute incrassato, conico-prominule obtusae—mar- ginales autem multo minores et acute, basales 6-8, cellulis mediis duplo longiores, in ocellum aggregate. Foliola dissita, foliis 3-4-plo breviora, ovalia rhombeave, ultra dimidium acute bifida, segmentis angustiusculis subacuminatis, margine suberoso, medio utrinque seepius obtuse unidentata. Flores monoici: ? in ramo brevissimo, basi foliis parvis unijugis (raro pluribus) stipato, terminales. Bracteze foliis longiores, faleatee, ad 4 complicato-bilobze, lobo oblique semiovali subacuto muricato-serru- lato, plica triplo angustiore lineari-rhomboidea, apice libero (i.e. lobulo) lanceolato; bracteola oblonga brevissime bifida, interdum integra. Perianthia foliis longiora pyriformi-oblonga vel subclavata, compressula, apice rotundato-truncato obsolete rostellata, antice 1-carinata, pos- tice alte 2-carinata, carinis muricato-asperis, interdum supra medium anguste alatis. Amenta ¢ crebra, elongata, ramulum totum vel ejus apicem solum sis- tentia; bracteze 4-10-jugee majuscule turgide. Ramus fertilis rarissime parum elongatus invenitur, ramulumque minutum, foliis 2-3-jugis vestitum—interdum masculum—profert. Ra- mulus autem iste pro innovatione nullomodo habendus, quam ab in- volucro foliis 1-2-jugis dissitus est. 9. TRACHY-LEJEUNEA PANDURANTHA, Spruce. Hab. In fl. Negro, Uaupés, etc. sylvis, supra truncos putridos, frequens. F -75x°55, lob °15; ¢ ay; f@ -15x°15; br 10x "7; br’* “75 x 5; per 85 x DD Odo Robusta, flavida, prostrata, late denseque stratificata, semper aqua repleta. TRACHY-LEJEUNEA. 185 Caules 2-pollicares, mtricati, flexuosi, rufi purpureive, validi, tenaces, strato corticali e cellulis 7-seriatis magnis oblongo-quadratis pellu- cidis, stratis 2 v. 3 interioribus e cellulis multo angustioribus, conflati, ineequaliter pinnati, ramis arcuato-flexuosis seepe apice attenuatis. Folia rigidiuscula, paulo (vix ad 4 lat.) imbricata semiovata-oblonga sub- falcata, apice decurvo vy. fere involuto rotundata obtusatave—ramo- rum interdum subacuta, facie subleevissima, margine fere toto minute eroso-denticulata, basi antica dilatata sed non semicordata, postica subrecte complicata, plicd fere recté v. parum convexd, sensim in folium abiens; cellule mediocres pellucidz, haud incrassatee, sub- conformes, paucis (3-6) ad folii mediam basin ceteris duplo majori- bus in ocellum congestis, subplanz, solum marginales obtuse acuteve prominule. Foliola minuta, caule haud latiora, foliis 5-plo breviora, subrotunda, vix ad 4 usque anguste bifida, segmentis acutis integerrimis. Flores monoici: 2 in ramo brevissimo, foliis sub 2-paribus (infimis minutis) vestito, terminales, innovatione nulla suffulti. Bracteze foliis' majores, falcatee, incurvo-concavee, eroso-denticulate, lobo valde oblique ovali obtuso, lobulo 4-plo angustiore sub 2-plo breviore acuto acuminulatove; bracteola brevior ovalis obtusa, apice vel integra vel seepius brevissime anguste bifida. Perianthia vix emersa, f. caulinis tamen sublongiora—demum elongata— rufa sanguineave, pyriformia compressula paulo infra apicem latum rotundato-truncatum subconstricta, adeo panduriformia, alte 5-cari- nata, carinis al& 4—5-cellulas lata, apice muricato-denticulata, tota fere longitudine auctis, marginalibus valde devexis. Andreecia cauligena, foliis sublongiora tenuia; bracteze 4-6-jugze parvee vix contiguz compresso-subglobose turgide apice subinzequaliter bi- lobe. Trachy-L. pellucidissima differt teneritate, pelluciditate, ramificatione sparsiore ; foliis brevioribus fere planis, facie plus minus scabris; foliolis solum 3-4-plo (nee 5-plo) minoribus, ultra $ bifidis; perianthiis infra apicem haud constrictis, carinis peranguste (vel seepe non) alatis. T.-L. Aquarius ramo fertili innovato et foliis asperrimis longius distat. 5. TracHy-LEJEUNEA AQUARIUS, Spruce. Hab. In sylvis preecipue humilioribus ad flumen Negro superius vulgata, ubi ad truncos semiputridos plagas magnas densas albidas, semper aqua repletas, efformat. F 55x45, lob 15; ¢ #3 ff °125-15; br 8-1:0; br -45x°3; per 13x 35m", Caules 3-pollicares procumbentes intricati rufescentes, validi tenacissimi, haud facile rupti, strato corticali e cellulis magnis pellucidis 7-seriatis, stratis internis 3 v. 4 e cellulis multoties angustioribus, conflati, arcte pinnati, ramis seepe parvifoliis eleganter decurvis. Folia confertiuscule imbricata, late dimidiato-ovata ‘subfaJeata, apice devoluta, caulina abrupte oblique subacuta, ramea acutata v. subacu- minata, omnia e cellulis prominulis facie muriculata, margine den- ticulata apiceve serrnlata, caulina recte, ramea sinuato-complicata, lobulo 4-plo breviore convoluto-inflato; cellule parvee, (subapicales minutz,) guttulate, extus conicee, paucee suprabasales magne elon- gatee in ocellum coacervate, omnes parietibus subincrassatis. Foliola minuta foliis sub 4-plo minora, subrotunda, ad medium bifida. TRANS. BOT. SOC, EDIN. VOL. XV. 2A 186 TRACHY-LEJEUNEA. Flores monoici: @ in ramo brevissimo terminales, innovatione simplice parvifolia, seepe arcuata, interdum apice mascula, suffulti. Bracteze foliis fere duplo longiores, vix ad 4 bilobee concavee (haud com- plicatee), valde decurvee devolutzeve acutze, facie externa valde exas- peratze apice subdenticulatze, lobo obovato-ovali, lobulo multo minore angustiore lanceolato linearive; bracteola duplo fere brevior obovato- lanceolata brevissime bifida, segmentis obtusis, denticulata. Perianthia magna f. caulinis fere triplo longiora, rufa sanguineave clavato- pyriformia apice lato subtruncata, facie ab ipsa basi e cellulis magnis so—s™™.) tuberculoso-aspera, inferne fere teretia, superne sat com- pressa alte 5-carinata, carinis tenuibus, vel alatis, vel non, asperulis. Amenta ¢ sat robusta cauligena, folia caulina 2-plo superantia, alia in ramulo longiore terminalia; bracteze 5-10-jugee, cymbiformes, fere ad 4 bilobze, lobis anguste ovatis subobtusis, inferiore paulo breviore angustioreque; antheridia bina. 6. TRAcHY-LEJEUNEA IMMERSA, Spruce. Hab. Yurimaguas, fluvii Huallaga, in cortice. F 6x°5, 65x52, ¢ shah; f 25x 3; br 10x45 br’ 6x4; per Cee Pallide viridis siccando fuscidula, prostrata, plagas circumscriptas efficiens; caules pollicares flaccidi sat ramosi, ramis implexis subassurgenti- bus. Folia subimbricata oblique ovata abrupte subacuta raro subapiculata, angulata vel erosula, celluloso-crenulata, basi obsolete complicata (lobulo 0); cellule majuscule pellucide subelongate. Foliola dissita dimidio folio minora orbiculata, paulo latiora quam longa, ad medium bifida, sinu segmentisque acutis, integerrima, subcon- cava. Fl. monotci; 2 terminales, cum innovatione simplice; bractez foliis multo longiores, suberect, oblique lanceolate, contorte, celluloso-crenu- late et subdenticulate vel etiam subincise, prope basin complicate, plicd minuta lineari apice subulaté; bracteola minor (folia caulina eequans) oblonga vel subrotunda abrupte acuta rotundatave integra, plus minus denticulata. Perianthia inclusa pyriformi-oblonga subretusa rostellata vix compressula, supra medium 5-carinata, carinis papilloso-cristulatis. Amenta ¢ cauligena, folio equilonga breviorave ; bracteze mediocres 3-5-jugee. A L. pellucidissima differt ramis fcemineis innovatis, foliis elobulatis, cellulis submajoribus, foliolis fere duplo majoribus, bracteis magis denti- ceulatis incisisve, bracteola denticulata, et perianthiis ad carinas insigniter papilloso- (muriculatove-) cristulatis. Supcenus XXII.—DREPANO-LEJEUNEA, &. Plante pusilla minuteeve, virescentes fulveeve, in aliis hepaticis (pre- cipue Lejeuneis) laxe reptantes, seepe vix perceptibiles, raro in plagu- Jas densiores intricate. Caules tenues sed tenaciusculi, laxe pinnatim vel seepius vage ramosi. DRrEPANO-LEJEUNEA. 187 Folia dissita, primum assurgentia dein apice valide decurvo-hamata, elongata, 2-4-plo longiora quam lata, pro more oblique lanceolata acuminata acuta—raro latiora ovataque—lobulo ovato-fusiformi tur- gido (raro obsoleto) aucta, margine (antico precipue) spinulosa crenu- latave, in paucis speciebus insigniter pectinatim laciniata, levia papulosave; cellule parvee vel fere minut subconformes—raro paucee subbasales majores ocellum sistentes—pellucide, pariete vix incras- sato. Foliola minuta, in sp. Austro-Americanis a basi integra brevissima cuneata biparita, cruribus 3-5 cellulas longis late divergentibus (in unica L, palmata erectis); in L. hamatifolia, Europea, solum bifida, basi integra altiore, cruribus brevioribus. Flores dioici, in perpaucis monoici; in ramo brevi terminales, innova- tione simplice suffultimin unica L. cumpanulata in caule ramove iteratim innovando-florifero. Bracteze foliis longiores seepeque multo latiores bilobee concavee, vix complicate, lobis parum ineequalibus spinulosis; bracteola angusta seepe subovalis spinulosa, ad $—3 bifida, segmentis acuminatis, pro more cum bracteis altiuscule connata. Perianthia seepius emersa 5-gono-obpyramidata, rostellata, carinis in per- paucis inermibus, in plurimis superne spinulosis apiceque in cornu breve subhorizontale pungens dilatatis. Andreecia longispica; bracteze majuscule contiguee rotundo-naviculares subeequilobe, ad carinam e cellulis exstantibus pulchre moniliato- papulose, monandre. Hab. Species Amazonicee et Andinz in foliis vivis, filicibus, et licheni- bus repens, necon alias hepaticas infestans, nunquam In cortice; species unica Europea autem in fruticum cortice et in rupibus crescit. Distr. In America «quatoriali 8 species legi, quarum 6 Andium juga sylvatica, alt. 1000-3000™ habitant, 2 solum in planitie visee, earumque 1 (L. palmifolia N.) in sylvis flum. Amazonum borealibus, super truncos prostratos, ad arborem pedem, etc. viget, semper autem caulibus suis tenacibus implexo-ramosis, foliorumque laciniis uncinatis, alias Lejewneas, Bazzanias, etc. arcte amplectens, imove denique exstirpans. Altera species amazonica est L. capulata Tayl.! (quam nullo modo a planta Taylori originali, in Oware Africze lecta, distinguere possum): probabiliter inter “1. hamatifolie vars.” ‘Synopseos Hepat.’ jam enumerata. L. hamati- folia Hook. vera autem, Europ occidentalis, ins. Britannicarum preeci- pue, incola, nusquam in America mihi obvia fuit. LZ. inchoata Meissn., ex ins. Antillis, certe eidem subgeneri pertinere videtur; alize species sunt L. Ternatensis G., tenuis N., tridactyla G., trematodes N., dactylophora N., muricata G., insulis Malayanis et Oceanicis indigenz, pleraeque L. palmifolve arcte aftines. § 1. Folia murgine antico pectinativm incisa. 1. Drepano-L. palmifolia, Dioica: Per. urceolata 5-carinata, carinis apice rotundo-prominulis, tota facie cellulis prominulis papulosa, ceeterum inermia. § 2. F. solum spinuloso-denticulata v. subintegerrema. A. Perianthia perfecte inermia. Drepano-L, anoplantha. Dioica. F, hamata semilanceolata acuminata 188 DREPANO-LEJEUNEA. celluloso-crenulata, facie papulosa. Per. vix emersa turgide obovata brevirostria, ad carinas subpapulosa, B. Perianthii carine superne spinis, ciliis denticulisve armate, v. saltem apice in cornu subulatum porrecte (i.e. unispine). a. Flores monoict. 3. D.-L. longirostris. F. hamata semilanceolata acuminata obtuse spinu- loso-denticulata subpapulosa. Per. emersa, obovata sensim preelonge rostrata, alte 5-carinata, carinis apice dilatato subulato paucispinis, demum apice in valvulas 5 erectas fissa. b. Flores diotct. 4, D.-L. capulata. Minuta. F. distantia hamata ovato-subulata apicu- lato-acuminata, margine antico spinulis paucis nullisve, postico medio spina maxima deversa armata, cellulis subplanis. Per. emersa obpyramidata recte truncata brevirostria, carinis 5 altis apice in cornu acuminatum ciliatum porrectis. 5. D.-L. lichenicola. F. iis pr. similia, magis spinuloso-denticulata. Per. subimmersa rotundo-obovata brevirostria 5-gona, angulis parum prominulis subdenticulatis apice in cornua brevi-triangularia dila- tatis. 6. D.-L. infundibulata. F. fere plana semiovata triangulariave acuta muricato-subserrulata. Per. maxima clavata brevirostria—demum (ore hiante) infundibulata—supra medium 5-carinata, carinis in subulam latam peracutam subhorizontalem apice dilatatis, ceeterum inermibus. 7. D.-L. campanulata. F. subplana hamatave anguste lanceolata acumi- nata subdenticulata, ad lobuli apicem subspinulosa. Per. vix emersa urceolata humiliter 5-carinata, carinis apice 2-3 spinis, demum (ore hiante recurvo 12—15-dentato) companulata. 8. D.-L. planiuscula. F. subplana ovato-lanceolata subacuminata spinu- loso-denticulata. Per. subemersa urceolata, apice truncato clauso brevirostria, preealte 5-carinata, carinis superne in alam paucilacinia- tam dilatatis, [D.-L. hamatifolia ab omnibus prioribus differt foliolis solum bifidis (nee bipartitis), obtriangularibus, sinu apicis lato sublunulato, lobis brevi- subulatis basi 3 ¢. (raro solum 2 ¢.) latis. F. iis L. capulate et lichenicole subsimilia, apice minus attenuata, spina postica carentia, margine antico rude 3-4 dentata. Per. prelonga pyriformia sensim brevirostria, acute 5-gona, carinis superne setoso-spinosove-alatis. — Britannia, &e. | 1. DrREPANO-LEJEUNEA PALMIFOLIA, Nees. In Mart. Fl Bras. I. 1, 366. Syn. Hep. 347. Hab. Ad flumen Amazonum fere totum, preecipueque secus ejus tribu- tarios boreales, fl. Negro, Uaupés, Casiquiart, etc., in truncis decisis, ad arborum pedem in rupibus, ete., semper fere supra alias Hepaticas (Bazzanias, Micropterygia, ete.) vel muscos repens. Cel. Martius primum invenit. F -4x°3; lob 125; ¢ 2s; f* 08; br 5; bria 45x 25, 35 x 25; per Gx oe Pusilla, fulva rufescensve, prostrata, in tegeticulam densam intricata. Caules pollicares, parce et subpinnatim ramosi, tenues sed tenaces. DREPANO-LEJEUNEA. 189 Folia dissita, a basi assurgente hamato-decurva, falcato-dimidiata, semi- ovata, in acumen late subulatum acutum sensim angustata, margine postico (concavo) integerrima, antico profunde inciso-ciliata—quasi pectinata—ciliis 5-10, mediis longioribus caulique parallelis (ramu- lorum tenuiorum nonnunquam ad dentem unicum magnum redactis), sinuato-complicata; lobulus folio 3-plo brevior, semiovatus turgidus, dente apicali incurvo abscondito; cellule parvule, subconformes (ocellis nullis) paulo elongate subpapulosie, vix incrassatee, pellu- cide et fere vacue.—In planta viva cellule foliorum paucee—soli- tarize vel lineatee—dense chlorophyllosz, ceteris cellulis vacuis. Foliola minuta, basin fere adusque bipartita, laciniis subulato-setaceis, 4-5 cellulis (plerumque uniseriatis) constantibus, erectis, parallelis. Flores dioici: Q in ramo brevi terminales, innovatione simplice suffulti. Bractez, fl. sterilium incurvo-conniventes, fl. fertilium suberecte, obovatee, foliis submajores, ad } subineequaliter bifidee, vix compli- catee, segmentis tenui-acuminatis laciniatis—fere pinnatifidis—laciniis subulatis subhorizontalibus ; bracteola oblongo-lanceolata, ad 3-3 bifida, profunde laciniata, lobis valde attenuatis. Perianthia foliis dimidio longiora suburceolata (a basi conica ovato- oblonga) subretusa, rostellata, supra medium 5-carinata, carinis apice rotundo-prominulis, 2 posticis (v. omnibus) apice abrupte dilatatis, alas auriculasve fingentibus, tota facie papulosa, ad carinarum apicem cellulis pellucidis extantibus moniliata. Amenta ¢ terminalia elongata julacea; bracteze ad 20-jugee imbricatee subeequaliter complicates cymbiformes, lobis semiovatis acuminatis, ad carinam celluloso-moniliate. 2, DREPANO-LEJEUNEA ANOPLANTHA, Spruce. Hab. In M. Campana, supra Lej. porelloidem 8. repens. 8. Gabriel et S. Carlos _ del Rio Negro; necnon ad fl. Vaupés ripas in truncis vetustis. F 35 x‘1; lob :125; ¢ As f™ °1; br °4; br’ 35x °2; per “4x -3m™. Pusilla fulva dense prostrato-cespitosa. Caules 4-3-pollicares laxe pinnati v. subfasciculato-ramosi, ramique seepe elongati. Folia dissita assurgenti-subsecunda, apice deorsum hamata, suberecta (axi cauli fere parallelé) anguste semilanceolata acuminata acuta, facie papulosa, margine celluloso-crenulata, sinuato-complicata; lobulus 3-plo brevior ovato-rotundus, e convolutione ovato-fusiformis, tur- gidus, margine inflexo cum caule angulum 45° efformante, apice obtuse recte prominulo ; cellule parvee pellucidee subconformes. Foliola fere 4-plo breviora, appressa, cuneata, bipartita, cruribus 3-4 ec. longis, basi 2, superne 1 c., latis, angulo subacuto divergentibus, basi folioli integra 2 cell. alta. FI. dioici: 9 in ramo sepe perbrevi, terminales, innovatione simplice suffulti. Bracteze foliis paulo longiores, multo latiores (arte ex- planatee subrotundee), antice posticeque (mediante bracteola) basi connate, conniventi-concave, vix ad $ biloba, lobis haud complicatis, ovali-lanceolatis acuminatis pauci-spinulosis, lobulis perpaulo mino- ribus, altero breviore mutico; bracteola ovali-cuneata, ad 4-4 bifida, segmentis subacuminatis subspinulosis. Perianthia vix emersa turgide obovata altiuscule 5-carinata brevi-rostel- lata inermia, fere leevissima, solum ad carinas subpapulosa. Amenta ¢ terminalia; bractez paucijugee majuscule rotundo-galeiformes 190 DREPANO-LEJEUNEA. compressule ore truncato vix bifidule, ad carinam cellulis ex- stantibus pellucidis uniseriatis quasi moniliatee. Planta Uaupensis ¢ folia habet tenui-acuminata minus papulosa ; bracteas sublongiores (‘5™™). 3. DREPANO-LEJEUNEA LONGIROSTRIS, Spruce. Hab. In M. Tunguragua, supra filices (Hymenophylla) repens, alt. 2400™. F4x:18, -4x ‘13; lob 15; ¢ g5-qo; f'% 08; br'4; per °65x°4 (spinis inclusis), rostellum *15™™, Pusilla rufo-badia. Caules } poll. vage v. subpinnatim ramosi, ramis seepe ascendentibus, raro aliis superne parvfoliis. Folia subdissita pleraque assurgenti-subsecunda apice deorsum valide hamata, alia tamen (latiora) planiora solum apice decurvula, dimi- diato-lanceolata sensim acuminata acuta, margine (sepe valide re- curvo) spinuloso-denticulata, dentibus obtusiusculis inequalibus, uno alterove supra lobuli sinum ceteris seepius submajore, subpapulosa ; lobulus fere 3-plo brevior ovoideus turgidus apice acuto occulto ; cellule parvule parum elongate vix incrassatee parum chlorophyl- losee, suprabasales longiores vix autem in ocellum aggregate. Foliola minuta foliis 5-plo breviora bipartita, basi 2-3 ¢. alta, segmentis divergentibus 4-5 ¢c. longis, basi 2 ¢., apice le. latis, radicellis in haustorium peltatum szepissime colligatis. Fl. monoici: @ in ramo sepe perbrevi terminales, cum innovatione simplice. Bracteze foliis caulinis subzequales utrinque alte connate, suberectee, ineequaliter bilobee, lobo subulato, lobulo subquadrato bifido, spinoso-denticulatee; bracteola brevior subrectangularis ad 4 bifida, segmentis subacuminatis. Perianthia altiuscule emersa obovato-obpyramidata, alte 5-carinata, carinis sub apice horizontaliter dilatato subulato paucispinis, supra carinas in rostellum prelongum validum elongata, demum 5-fida valvulis tamen (cum rostelli laciniis linearibus) fere erectis. Andrcecia ramos terminantia; bracteze pauci-plurijugze majuscule com- plicato-naviculares, bilobze, lobo anteriore submajore cuspide aucto, ad carinam plus minus cellulis pellucidis moniliate. 4, DREPANO-LEJEUNEA CAPULATA, Tayl. In Lond. Journ. Bot. 1846, p. 394. Hab. Ad fl. Negro et Uaupés, in arborum foliis, imo in plantis herbaceis (e.g. in Dithyrocarpt sp.), seepe alias Lejewneas infestans. F-25 x07, °2x°1, lob 1-12; ¢ A-wh;s (f" 3 ©. longa;) br 3; per 35-4 x 3M (sine spris). Minuta viridis effusa. Caules 1-} poll. parum ramosi, raro subpinnati, ramis paucis elongatis. Folia distantia patula assurgentia apice valide hamata, ovato-subulata acuminata, apice tenui cellulas 3 uniseriatas constante, basi cum lobulo (duplo breviore, fere eequilato) in sacculum ovoideum apice obtuse prominulum convoluta, margine postico ad lobuli apicem spina maxima szepe deorsum spectante armata, ceterum subintegge- rimo, antico pauci-(sub 3-) spinuloso integerrimove, haud raro expla- DreEPANO-LEJEUNEA. 191 nata, v. (lobulo obsoleto) cuneato-lanceolata fere ad medium usque bi-tridentata, dente spinave media longiore; cellule minutze, ob- longo-5-6-gonee, subplanze, subpellucide. Foliola Tainuta, bipartita, cruribus subulatis 3-4 ¢. longis subdivergen- tibus. Fl. dioici: @ in ramo brevi terminales, innovatione simplice suffulti. Bracteze foliis majores erectze altiuscule connatee bilobee laxe compli- catee, ciliatee v. saltem spinulosee, lobo acuminato, lobulo truncato- bi-tri-ciliato; bracteola vix ad medium bifida, segmentis subacumin- atis, oblonga. Perianthia emersa, f. caulinis fere duplo longiora, obpyramidata late recte truncata brevi-rostellata, alte 5-carinata, carinis apice in cor- nua triangulari-acuminata ciliata—raro solum spinulosa—horizon- taliter dilatata. Andreecia terminalia, interdum longispica; bracteze subcontigue majus- culze rotundo-naviculares, carina celluloso-moniliate. E. foliis “ singulari dente spinoso prope lobulum ad instar sicee manu- * . ” —) . . brii armatis” certe eadem ac L. capulata Tayl., in Oware Africee a PALISOT lecta, videtur. De bracteis involucri ciliatis tamen cl. auctor mentionem ? haud fecit. 5. DREPANO-LEJEUNEA LICHENICOLA, Spruce. Hab. In M. Gluayrapata, super lichenes (Stictas) repens. Facie, magnitudineque D.-L. capulate aliisque sat similis, diversa tamen caracteribus sequentibus.—Folia hamata, supra basin inflato-lobula- tam late falcato-subulata, apice tenui acuta, margine imeequaliter spinoso-denticulata, dente supra-lobulari ceteris majore (ut in plurimis congeneribus) ; cellule subplanze subelongatze, ocelliformes pro more nulle.—Foliolorum crura latissime divaricata 3-4 ¢. longa.—Flores dioici.—Perianthia subimmersa rotundo-obovata-urce- olatave brevissime rostellata, 5-gona, angulis parum prominulis sub- denticulatis, apice tamen in cornua brevi-triangularia acuta parum assurgentia dilatata. 6. DREPANO-LEJEUNEA INFUNDIBULATA, Spruce. Hab. Chimborazo, in folio, cum aliis Lejewneis intexta. F':4x ‘25; lob 125; ¢ A-as; f' 08; br 45; per 8x *38™™, Pusilla, pallida, tenuis. Caules }-pollicares prostrati subramosi. Folia subdissita, fere plana, apice decurvula, a basi constricta abrupte dilatata, dimidiato-ovata—caulina latiora subtriangularia—subacu- minata v. solum acuta, hic illic muricato- serrulata,: dente supra- lobulari interdum majore, subsinuato-complicata ; lobulus plus 3-plo brevior ovato-oblongus turgidus exciso-acutus; cellule minutule leptodermes fere vacuze parum elongate, ocelliformes null, Foliola minuta bipartita, cruribus setaceis 2-4 c. longis sepe valde divaricatis. Flores dioici; @ in ramo brevi terminales, cum innovatione. Bracteze foliis vix majores suberect alte connate, ad $ bilobze ; lobo lanceo- lato acuininato, lobulo brevi truncato-bidentello, spinuloso-subser- rate; bracteola fere ad 3 bifida. Perianthia maxima, f. caulinis 2-plo longiora, clavata—demum (ore fisso, 55? 192 DREPANO-LEJEUNEA, paululum hiante) infundibuliformia—basi angusta, supra medium 5- carinata, carinis superne in subulam latam peracutam fere hori- zontaliter dilatatis, rostello breviusculo. Capsula paulo exserta. L. campanulata foliis latis subplanis affinis, differt perianthio multo breviore turgido urceolato, carinis apice spinis armatis. Anne eadem ac “L. tenuis Nees” (S. H. 390, n. 199) quoad plantam Guianensem? A. L. tenwi, typica, Javanica, tamen distincta videtur. 7. DREPANO-LEJEUNEA CAMPANULATA, Spruce. Hab. In M. Tunguragua, Chimborazo et Azuay, alt. 3000™, super filices et arborum folia repens, seepe cum Lejeunea planiuscula admixta. F 5x°‘15, 4x ‘08; lob ‘10-15; ¢ ay; f'@ 07; br °55; per 5 x ‘25mm, Pusilla pallida fulvave ; caules {-pollicares debiles valde intricato-ramosi, laxe pinnati et bipinnati, radicellosi. Folia dissita assurgentia, plus minus hamata v. solum apice decurvula, oblique anguste lanceolata sensim acuminata acuta subdenticulata, ad lobuli apicem subspinulosa, raro fere integerrima, margine plano v. recurvulo, subsinuato-complicata; lobulus sub 4-plo brevior ovoideus turgidus exciso-acutus ; cellule parvee minutuleve oblongo- hexagonz subpellucide haud incrassate, marginalibus exceptis sub- planz, paucz inferiores majores vacue, sparse vel in ocellum agegre- gatee. Foliola 7-plo minora bipartita, segmentis angulo recto divergentibus subulato-setaceis breviusculis (3-4 ¢. longis). Flores dioici: @ in ramo brevissimo, innovatione simplice suffulti ; raro in ipso caule (velin ramo) iterum prolifero, terminales, Bracteze erecto-hamatz, utrinque alte connate, foliis subeequilongee, inzequa- liter ultra medium bilobe, subspinulosee, lobo lanceolato-subulato acuto, lobulo subquadrato apice bidentato; bracteola angusta ad 4 bifida, segmentis acutis. ' Perianthia vix emersa urceolata tenuia pellucida, minus alte 5-carinata, carinis apice 2—3-spinosis, demum—vel seepius ab initio—ore hiante recurvo inciso 12-15-dentato, companulata. Plante ¢ cum intextee, vix extricabiles. Androecia in ramis termin- alia; bracteze seepius plurijuge majuscule contigue naviculares apice bitide; lobis subacutis, antico paulo majore, ad carinam cellulis pellucidis extantibus muriculate. L. longirostris certe distincta erit: colore saturate rufo; foliis sublatiori- bus magis spinulosis valde hamatis, cellulis submajoribus; preecipue autem perianthiis longioribus longissime rostratis, carinis infra rostellum hori- zoutaliter dilatatis spinosisque, fructu egresso, fere clausis, rostello autem 5-fido, laciniis linearibus suberectis. 8. DREPANO-LEJEUNEA PLANIUSCULA, Spruce. Hab. In M. Tunguragua, Guayrapata, Campana, ete., super arborum folia, lichenes, etc., seepe aliis Lejeuneis consociata. F 5 x°3, lob 1-125; ¢ goss; f'* 125; br 5; br -45x-15; per 6x *55™™ (alis inclusis). Pusilla, pallida viridisve; caules } poll. prostrati pinnatim ramosi, ramis assurgentibus, aliis apice sensim minutifoliis. DREPANO-LEJEUNEA. 193 Folia dissita patentia dimidiato-ovato-lanceolata lanceolatave subacumi- nata acuta inzequaliter spinuloso-denticulata, raro subintegerrima, pleraque subplana, pauca deorsum subhamata, subrecte complicata ; lobulus 4-5-plo brevior ovoideus infiatus, acuminulato-acutus; cel- lule minutule subzequilaterze leptodermes, marginalibus exceptis subplane, inferiores sensim longiores pauce (nullwve) majores vacuze ocelliformes. Foliola 4-plo breviora bipartita, cruribus subulato-setaceis 4-5 c. longis angulo preelato, seepe 180°, divaricatis. Flores dioici: @ in ramo perseepe brevi terminales, cum innovatione simplice. Bractes foliis subsequales, erectee, fere liberie, bilobee, vix complicate, subspinulose, lobo subulato-acuminato, lobilo multe breviore apice bidentato; bracteola angusta fere linearis apice bifida. Perianthia subemersa urceolata preealte 5-carinata, apice lato recte trun- cato clauso brevissime rostellata, carinis apice dilatatis alaque pauci- laciniata auctis. ; Andreecia terminalia spe polyphylla; bractez rotundo-naviculares subs zqualiter complicate submutice, ad carinam pellucido-muricate. L. inchoata Meissn, (Syn. H. 343) descripta est “foliis divergentibus sursumque Yersis,” ... “amphigastriis ovato-triangularibus;” ceeterum nostrati tam similis quod eandem speciem esse fere censerem, Obs. At Bafios, at the foot of Tunguragua, I gathered a form beset with a thick coating of adventitious ramuli, arising either from the leaves or (rarely) from the branches. They bear leaves rediiced almost entirely to the basal sac, beyond which the lobe projects as a small triangular denti- form limb.—The flagelliform branches of the normal state bear small pellucid ovate acute leaves almost or quite destitute of basal sac. Suseents XXII.—LEPTO-LEJEUNEA, S. Pusilla, matrici arctissime adherens, planissima, pallide viridis flavidave raro fuscidula, Caules 3-1 poll. longi, sepe in orbem radiati, pinna- tim ramosi. Folia horizontalia, dissita contigtiave, siccando immutata Vv. rectirvo-crispa, pro more anguste oblonga, 2-3-plo longiora quam Jata, rotundata, trarius subacuta, rarissime 2-3-cuspidata, integerrima v. rarissime hic illic paucidenticulata, recte complicata; lobulus 2-4-plo brevior rhom- boideus subplanus interdum obsoletus; celltla mediocres, pariete subincrassato vel rion, inferiores pauce perseepe duplo majores in ocellum irregularem ageregatee. Foliola parva bipartita, basi brevissime late cuneata, segmentis setaceis divergentibus, elongatis—raro basi altiora, cruribus ad eellulam unicam redactis. Flores moncici, in paucis dioici: 9 in ramo brevissimo terminales—quasi- laterales, innovatione in perpaucis brevi simplice, in plurimis nulla, suffulti. Bractez foliis subequimagne parum inaequilobee, seepiugs obtuse, integerrime vel serrulatee, cum bracteola lanceolata bifida alte connate.- : Perianthia emersa obpyramidato-5-carinata, carinis spice dilatato trun- TRANS; BOT. SOC. EDIN. VOL. XV. 2B 194 Lerpto-LEJEUNEA. catis—interdum in cornu subulatum subhorizontale protractis, leevibus v. apice scabris. Andrecia ramulum totum y. ejus apicem solum tenentia; bractez 3-6-jugz foliis paulo minores laxiuscule, diandre. Hab. fere constanter foliicola, in arboribus, raro etiam in herbis fili- cibusque; rarissime in ramulorum cortice. In planitie abundant, in mon- tibus humilioribus rariores, altioribus omnino exules. Distr. In syiva Amazonica, rarius etiam in Andium devexis tam occi- dentalibus quam orientalibus, paulo supra 1000™ ascendentes, 6 species legi, quarum 3 novas; ceterum L. elliptica L. et L. per Americam tropi- cam late dispersa est; L. polyrhiza Nees et crucianella Tayl. jam antea in Guiana Gallica et Anglica invente fuerunt. E regione paleotropica habemus L. vitrea Nees (Java, Manila, etc.) et Z. elliptica (ex insulis oceanicis et Ceylon). § 1. Rami 2 simplices, A. Flores monoict. 1. L.-L. elliptica. F. oblongo-lanceolata obtusa v. subacuta basi parvi- ocellata ; cellule leptodermes. Foliolum infraaflorale parvulum cuneatum integrum. Br. cuneate ad 4 bifide. Perianthia breviter obpyramidata, carinis truncato-cornutis integerrimis, 2. L.-L. exocellata. F. obovato-lanceolata exocellata; cellule pariete subinerassato. Foliolum infraflorale majusculum truncato-bicuspi- datum, Br. late lineares breviter bifide. B. Flores dioici. 3. L.-L. ligulate. F. ligulato-oblonga fere 3-plo longiora quam lata. Foliolum infraflorale magnum pentagonum truncato-biapiculatum. Per. clavato-pyriformia, carinis apice in cornu subulatum dilatatis. § 2. Rami 2 innovatione brevi simplice aucti. 4, L.-L. polyrhiza. FF. in sicco flavida rhomboideo-oblonga basin versus plerumque grandi-ocellata. Per. urceolata 5 carinata, carinis superne alzformibus, apice truncato (angulo externo peracuto) subspinulosis. § 3. Fl. 2 ignoti. 5. L.-L. crucianella. F. rhomboidea apice 3-cuspidata. Foliola bipartita, cruribus setaceis, altero szepe obsoleto. 6. L.-L. trigonestipa. F. lanceolata acuta obsolete denticulata, ocellata. Foliola obtriangularia apice prelato truncato minute biapiculata. 1. Lepto-LEJEUNEA ELLIPTICA (L. et L.) Jung. elliptica L. et Lg. in Lehm. Pug. V, 13; Lejewnea e. Syn. Hep. 403. Hab. In sylvis fl. Negro, ad arborum folia, frequens, precipue juxta cataractas.—Per Americam tropicam dispersa videtur, F :35x'18; lob 1V0; ¢ #3 f"% 32; br 3-35; br’ -35x°83 wer 35 X ‘25-3; br f 15mm, Late effusa, tenuissima, pallide viridis, siccando subfuscescens difficillime emollitura. Caules arcte repentes t-3-pollicares laxe pinnati, Lepto- LEJEUNEA. 195 Folia dissita subplana oblique oblongo-lanceolata (long.=2 lat.) v. sub- rhomboidea, obtusa v. subacuta, exocellata v. seepius ocello parvo subbasali quasi-perforata, recte complicata; lobulus 3-plo brevior subrectangularis acutus subinflatus; cellule subparvee valde lepto- dermes fere vacuz, marginales paulo minores subquadratz, inferiores sensim submajores, wna alterave ceeteris duplo majore ocellum sistente. Foliola bipartita, basi integra brevissima cuneata; crura setacea tenuis- sima 3c. longa subdivergentia. Flores monoici: ¢ in ramo brevissimo terminales, innovatione nulla. Folium infraflorale uniewm parvum subrotundum, foliolum par- vulum cuneatum integerrimum. Bractez f. caulinis subsequilonge cuneate ad 4 bifidee, lobis triangularibus acutis, postico subminore; bracteola basi utrinque connata linearis v. subcuneata breviter bifida, segmentis acutis : omnes integerrime. Perianthia vix emersa obpyramidata brevissime rostellata, 5-carinata, carinis superne sensim dilatatis apice truncatis acutis integerrimis. Andrecia ramulo cauligeno sistentia, raro ramum terminantia; bractez sub 3-juge laxiuscule foliis plus duplo breviores ovoideo-rotunde subzequilobe. 2. Lepro-LEJEUNEA EXOCELLATA, Spruce. Hab. Andes Peruvize ad Tarapoto, in foliis vivis. F “45x ‘25, lob “1 v. O; ¢ #3 f™ 13 br. 3; per 5x33 andrecia 4-5 x 4mm, Pusilla pallida in sicco subfuscescens, tenera, in maculas cireumscriptas prostrata. Caules {-}-pollicares arcte repentes pinnatim ramosi. Folia dissita pellucida plana suboblique ovali-vel obovato-lanceolata sub- acuta, rarius obtusata, exocellata; lobulus rectus parvus rhomboideus incurvus, interdum obsoletus; cellule subparvee hexagonz, marginales quadratze, subobscure, intus sinuate, parietibus subincrassatis, paucee subbasales ceteris sensim submajores neque in ocellum aggregate, omnes subplanze. Foliola distantia bipartita, disco radicellifero cum cruribus subulato- setaceis 4 cell. longis divergentibus constantia. Flores monoici: 9 in ramo simplice brevissimo, folio unico parvo rotando folioloque majusculo 5-gono-rotundo, apice lato truncato bicuspidato, stipato, terminales. Bracteze foliis $ breviores ligulate v. lato-lineares subplane (nec complicate) bracteolaque conformis basi connata apice breviter bifid, segmentis erectis linearibus obtusis, integerrime. Perianthia emersa f. caulinis sublongiora obpyramidato-pyriformia, szepe incurva, 5-carinata, vix rostellata, carinis superne sensim dilatatis, apice lato subhorizontaliter truncatis v. 2 posticis in cornua brevis- sima porrectis, subleevissimis. Andrecia cauligena, pro plantula magna, ovato-globosa, compressa ; bracteze subtrijugze confertz foliis fere equimagne obtuse complicate zequilob, brevissime bifida, lobis dimidiisve fere semicircularibus obtusis ; antheridia bina magna. Alia specimina ex eodem loco bracteas habent magis profunde bifidas lobis subineequalibus, bracteola subacuta, 196 Lepto-LEJEUNEA, Forsan pro var. L, ellipticw habenda, differt autem statura submajore, foliis interdum basi angustatis an obovato-lanceolatis), constanter exo- cellatis, cellulis obscurieribus subpachydermibus, foliolo infraflorali con- spicuo pentagono bicuspidato, perianthio majore, bracteis perangustis, 3. Lepto-LEJEUNEA LIGULATA, Spruce. fab, In sylva Amazonica haud infrequens, circa S. Gabriel fluvii Negro preecipue, raro fertilis, F 4x °15, lob 11, ¢ fy™™; f'* 3-4 cellulas longa; br °35; per ‘8 x °35™™, Pusilla arete repens viridis, siccando fusca nigrescensve, haud facile emol- lienda. Caules in orbem diametro pollicarem radiati, subbipinnati, ramis sparsis, raro intricatis, : Folia distantia patentia plana, siccando recurvo-crispula, ligulato-oblonga- lanceolatave, triplo fere longiora quam lata, obtusata, sybrecte com- plicata; lobulus 4-plo brevior ovato-fusiformis inflatus; cellule par- vulz subconformes 4-6-gonse, parum elongate pellucidz (fuscidule tamen), chlorophylo parco, paviete ad angulos et media latera sub- incrassato, : Foliola distantia minuta bipartita, eruribus divaricatis subulato-setaceis 3-4 cellulas longis, basi 2 cell. latis. Flores dicici: § in ramo perbrevi, foliis minutis unijugis (vel unico) cum foliolo magno difformi, stipato, terminales, innovatione nulla. Bractew foliis caulinis subbreviores, obovate ad i bilobz, lobis obtusatis, postico paulo angustiore; bracteola utrinque cum bracteis altiuscule connata lanceolata ad 4 bifida, segmnentis acuminulatis. Foliolum infraflorale (sive bracteola exterior) caulinis valde diversum, dimidium folium excedens, orbiculari-pentagenum, apice truncato- biapiculatum, textura firma subopaca, Perianthia alte emersa clavato-pyriformia, superne 5-carinata, carinis in cornua, breviuscule subulata-acuminata patentia protractis, A L. polyrhiza floribus dioicis, ramo ¢ haud innovato, foliis lobulatis exocellatis, cornibus perianthii patentibus, bene distincta, 4, Lepto-LEJHUNEA FOLYRHIZA, Nees, In G. L, et N. Syn. Hep. 403, Hab, In sylva Amazonica, prascipue ad fl, Negro superiorem, frequens, foliicola; etiam in Guiana Gallica. F 35 X°2, 25x15; ¢ go-qy; fl 15; br. lob. 35; brit -85 x +13; per 4x “BAmm Pusilla, viridis, siccando flayida. sat facile emollitura, arcte repens. Caules t-3 pollicares, pinnati et bipinnati, rami crebri—ssepe eodem numero ac folia caulina—ramulique paucifolii, foliis ad singulum ramulum 3-5-jugis, Folia contigua patala (angulo axiali 70°) subassurgentia, rhomboideo- eblenga subacuta y. seepius obtusata, plana, margine autem recuryulo repando opaco, ocellata; lobulus sepissime 0, ramorum rarius preesens, } folio paulo brevior, lineari-rhomboideus apiculato-acutus subplanus; cellule medize parvule pellucide vix incrassate, 2-10 inferiores dyplo majores vy sparse: v. sepius in lineam maculamy Lepto- LEJEUNEA. 197 collectse, marginales autem mediis $ minores opacee; omnes parum prominulz. Foliola bipartita: crura divaricata, fere horizontalia, setacea, cellulas 4-6 uniseriatas (basi sola biseriatas) longa, ramorum breviora minus divergentia. Radicellee in discum radiate, seepe in mucum solute, Flores monoici: ? in ramo brevi, foliis 1-2-jugis vestito, raro longiore, terminales, innovatione brevi (foliis 2-3-jugis stipatis) suffulti. Foliolum intraflorale ovale, ultra 4 bifidum, segmentis acuminatis. Bractew foliis equilong serrulate, cum bracteola equilonga lanceo- lata, ad } bifida, seementis acuminatis, alte connate, bilobee sub- complicate, lobo ovali obtuso acutove, lobulo paulo breviore duplo angustiore apice bidentulo. Perianthia paulo emersa late obpyramidato-urceolata vix compressa 5- carinata, carinis superne alzeformi-dilatatis truncatis apiceque triangu- lari acuto v, subacuminato papillosis spinulosisve, apice 1psius peri- anthii conum humillimum sistente. Andreecia ramos terminantia; bractez sub 3-jugee laxiusculz foliis sensim minores cymbiformes inzequaliter bilobe. Ad §. Gabriel advenit altera forma foliis minus conspicue ocellatis, margine pellucente vix recurvulo celluloso-erosulo, andreeciis lateralibus. 5. Lepro-LEJEUNEA CRUCIANELLA, Tayl. In Lond. Journ, Bot. (1846), p. 393. G. L. et N. Syn. Nep. 757, Hab. Mandos, ad fl. Negro ostia, in arborum foliis et filicibus repens. Demerara, in Redule sp. repens (fide Taylor). F 18 x ‘08, lob ‘07™™. Minuta viridis, siccande fuscidula. Caules j-pollicares arcte repentes laxe subpinnati. 7 Folia dissita rhomboidea vel rectangulari-oblonga, apice plerumque 3- cuspidata, dente medio triangulari-acuminato vel late subulato, antico seepe cbscleto, recte complicata (vel non); lobulus vix triplo brevior rhomboiders planus vel convoluto-subinflatus, perseepe nullus; cellule parvulee subconformes subelongatee. Foliola bi-(raro uni-) crura, interdum obsoleta: ecruribus subulato- setaceis 4 cell. longis, Flores dioici: @ non aderant. Androecia in ramis terminalia subju- lacea; bracteze 3-5-jugie, foliis paulo breviores ovoideze mutica. 6. Lepto-LEJEUNEA TRIGONOSTIPA, Spruce, Heb. Chimbovazo, in arboris folio, aliis Lejewneis immixta, F 55 x ‘25, lob “18; ¢ gy™™. Pusilla tenuis flaccida, pallida, siccando fuscidula. Caules 4-pollicares prostrati laxe pinnati. Folia dissita patula fere plana lanceolata acuta hie illic cellula exstante erenulata denticulatave, recte complicata; lobulus 3-plo brevior, solum ad plicam inflatus, ovalis truncatus apiculato-acutus; cellule leptedermes, vix chlorophylliferce, paucee (sub 8) basin versus ezeteris longiores, vacuse, szepe in series 2 contiguas lineares congeste, Foliola minuta obtriangularia apice prelate truncato utrinque cellula unica parva apiculata, radicellifere—sepe tam foliola quam radi- celle in mucum soluta, 198 LEpTo-LEJEUNEA. Amenta ¢ f. cautino duplo longiora; bracteze laxe julaceo-imbricatee sub 6-jugee subrotundo-saccatee compresse, Foliis L. stenophylle L. et G. Syn. Hep. 769, sat similis, foliolis longe diversa, ; Suscenus XXIV.—CHRATO-LEJEUNEA, 8S. Plants pusillze vel sat robuste, colore lurido szpissime insignes, nitide tamen interdumque quasi vernicose, rufescentes, rufo-badiz vel fere nigre, rarissime pallidee vel virescentes, post siccationem facile aqua saturande, citoque iterum exsiccande, czespites depressos, seepe latis- simos denseque stratificatos efficientes. Caules prostrati, vix unquam suberecti, ramis autem in paucis speciebus assurgentibus; sat validi, ineequaliter (raro symmetrice) pinnatim ramosi. Folia contigua vel seepius subimbricata, nunquam densa, apice plus minus decurva, in sicco insigniter fornicata involutave, oblique ovata ob- longave, aliorum specierum dimidiata subfalcataque, inferiora seepius obtusa rotundatave, superiora seepe subacuta, raro acuminata, apice v. integerrima v. (seepeque in eadem specie) dentata, raro toto fere margine serrulata, basi plerumque cellulis paucis magnis ocellata; cxteree cellulee subparvee pellucidee, pariete fere semper tenui fusci- dulo; lobulus parvus minutusve inflatus, raro obsoletus, foliorum rameorum tamen 2 infimorum szepe maximus, imo totum folium in utriculum reniformem facie supera perforatum involvens. Foliola in pusillis parva, foliis caulinis 3-6-plo breviora, subrotunda, ad 3 bifida, in elatioribus cordato-ovata-reniformiave, folii dimidium y. totum eequantia, apice pro more breviter bifida bidentatave, in omnibus integerrima vel rarissime utrinque 1-dentata (in L. Brasiliensi, quam nondum vidi, “ denticulata” dicuntur). Flores in aliis monoici, in aliis dioici. Ramus ? brevis longiorve—nun- quam ad florem solum redactus—plerumque uniflorus, semper tamen innovatione, vel unilaterali vel duabus oppositis, auctus. Br. erect foliis subsimiles, plerumque acutiores magisque dentate, lobulo ma- jore explanato; bracteola plus minus late ovalis bifida. Perianthia pro more emersa, urni-vel pyriformia vel obconica, 4- (raro 5-) carinata, carinis plerumque humilibus, szepe papulosis, ultra perianthii apicem truncatum brevi-rostellatum fere constanter in cornua breviora longiorave—interdum longissima—varie patula, protractis. Capsula subglobosa. Andrcecia fere semper ramulo proprio constantia, raro terminalia, brevi- raro longi-spica; bracteze in paucis minute, in plurimis majuscule. Hab. et Distr. In sylvis Amazonicis umbrosissimis, preecipue ripariis, valde frequens, ad arborum corticem, ramulos et folia viva, ad truncos inundatos (raro ad putrescentes) saxaque, plagas seepe preelatas, inter- dum pro aspectu funereo insignes, efficiens. In Andium montes humiliores raro et sporadice ascendit; in sylva Canelos autem, alt. 1000-1500 m. species duas pulchras, ut videtur novas, reperi; in M. Chimborazo, eadem altitudine, speciem singularem, EL. spinosam Gottsche, antea in insulis Antillanis inventam, legi. In tota America tropica abundare videntur species, in ceteris terris tropicis tamen multo rariores.—Bene dicunt cl. auctores ‘Synopseos Hepat.’ “ Plants hujus sectionis inter se maxime congrue difficillime sunt aoe ‘ws + ios ey a ore Wg at: FAS E Carter sc = L Braithwaite ad nat de R CERATOLEJEUNEA MICRORHEGMA. CERATO-LEJEUNEA, 199 dignoscende.” In sylvis Amazonicis formas innumeras maxima copia legi, easdemque iteratim examinavi, inter fere omnes tamen limites specificos mihi satisfaciendos frustra queesivii—E speciebus circiter 17 autem a meipso lectis 12 novee videntur. Obs. Cum hoe subgenere congruit pro majore parte Lejewnea § 3 Cera- tanthe Syn. Hep. p. 395 et seq. A. Foliola parva, foliis caulinis 3-6-plo minora, subrotunda, nunquam cordata.—Plante pro more pusille, rufo-badiz, raro pallid, nunquam nigricantes. a. Flores monoict. a,. Caules symmetrice pinnati bipinnative. Folia siccando margine valide incurva exindeque ad speciem dissita. Utricult magnt crebri. Andrecia tenuispica, bracters minutis laxiusculis. 1. C.-L. plumula. Folia faleato-divergentia, semiovata; superiora ramea- que subacuta, margineque fere-toto argute serrulata, basi ocellata. Foliola foliis caulinis 6-plo breviora ovalia ad } bifida. Bractez serrulate; bracteola ligulato-oblonga breviter bifida subintegerrima. Perianthia parva subturbinata obscure 4-gona longicornia, cornibus erectis inearibus compressis. 2. C.-L. megalophysa. A pr. differt foliis omnibus paucidenticulatis in- tegerrimisve, exocellatis; foliolis duplo majoribus; bracteola ovali- orbiculata; perianthii argute carinati cornibus perbrevibus patentis- simis. a, Caules inequaliter pinnatim vel vage ramosi. Folia siccando apice valide decurva devolutave. Utriculi nulli, vel perrare parvique. Br. g majuscule confertiuscule. 3. O.-L. cubensis. Caules subbipinnati, ramis assurgentibus. F. subfalcata divergentia fornicata dimidiato-ovata abrupte acuta, apice denticulata, basi ocellata, lobulo majusculo turgido. Foliola 3-plo breviora sub- orbiculata ad 4 bifida, segmentis acutis. Br. serrulatee; bracteola lanceolata ad 4 fissa. Perianthia pyriformia 4-carinata, cornibus brevissimis erectis obtusis. Andreecia longispica.—Var. guianensis, foliis planioribus seepe obtusatis integerrimis, lobulo interdum obso- leto, br. seepe integerrimis. 4. C.-L. rigidula. Caules elongati in planum laxe pinnati. F. obliqua (non prorsus dimidiata) acuta obtusave apice subserrulata, lobulo minuto obsoletove, obscure ocellata. Foliola 3-4-plo minora ovali- rotunda ad 4 fissa. Br. subserrulate; bracteola ovali-rotunda ad $ fissa. Per. obconico-oblonga, 4-carinata, cornibus patentissimis tenui- usculis ceeteri perianthii dimidium vix equantibus. Andr, medi- ocria. aa. Flores dioict. 5. C.-L. commixta, Caules subelongati subbipinnati. F. subcontigua planiuscula oblique ovata obtusata integerrima planiuscula ocellata, lobulo 4-plo breviore conspicuo. Foliola vix 3-plo breviora ovali- rotunda ad 4 bifida. Br. subintegerrime; bracteola lanceolata ad 4 bifida. Per. obovato-oblonga, carinis valde pellucido-tuberculosis, cornibus perbrevibus late patulis. 6. C.-L. monticola. Caules czespitosi suberecti parum ramosi. F, iis LZ. cubensis var. guianensis similia, Foliola ovato-rhombea ultra $ bifida, 200 CERATO-LEJEUNEA. segmentis peracutis. Br. majores. Per. majora urceolata, corni- bus brevi-conicis compressis fere horizontalibus. Andr. brevispica plerumq. terminalia. 7 C.-L. luteola. Albido-lutescens tenera, caule brevi repente paulo ramoso, F. oblique semicordato-ovata obtusata subintegerrima, lobulo inflato. Br. acute superne subserratz; bracteola subovalis breviter bifida, utrinque bracteis connata. 8. C.-L. caducifolia. _Pusilla rufescens, caule vage ramoso Ytamisque tenuibus e foliis deciduissimis plus minus denudatis. F. subcontigua late semiovato-oblonga falcata, apice rotundo obtusove, margine re- pando celluloso-crenulato, ocellata; cellule minutule. Foliola 4-5-plo breviora ovali-rotunda, sepe utrinque 1-dentata, ultra 4 bifida. Ramus 2 sape innovando-florifer. Br. integerrimee.- Per. obovata truncata 4-5-gona, ecornia. B. Foliola pro more magna, 4 foliwm subequantia, nonnunquam maxima, foliis vix minora, sepe cordata, haud raro reniformia.—Plante robustiores, rufo-ferruginez-badizeve, aliz nigricantes, Fl, 2 frequenter dichoto- iniales. b. Flores monoter. 9. C.-L. Coarina, Rufo-badia, caule elongato vage ramoso. FF, semi- cordato-oblonga seepitis rotundata integerrima, raro apice subdenti- culata, exocellata, lobuloinflato. Foliolainferiora parvula, superiora foliis duplo (v. perpaulo) minora cordato-orbiculata ad 4 bifida. Br. foliis minores, subacute seepius integerrime; bracteola ovali-orbicu- lata ad 4 bifida. Per. alte emersa clavato-oblonga truncata, supra medium 4-carinata, cornibus vel 0 vel brevissimis triangularibus patulis. Andr. f. contiguo paulo longiora. 10. C.-L. variabilis. Rufo-badia raro nigricans. Caules insequaliter pin- natiet subbipinnati. FF. late semicordato-ovata abrupte acuta inte- gerrima, lobulo inflato, ocello nullo. Foliola increscentia, superiora foliis vix duplo breviora, interdum sequimagna, cordato-oyata oblata ad 4 bifida, segmentis acutis. Br. f. breviores subacutee seepius den- ticulatee; bracteola ovalis vel suborbiculata ad 4 bifida, segmentis acuminatis. Per. obconica superne 4+5 carinata, cornibus elongatis subulatis patentibus. Andr. f. contigitto subeequilonga.—Var. sub- serrata, f. apice serrulatis, lobulo seepe obsoleto, bracteis subspinu- losis, perianthiis hrevioribus.—Var. sawproxylophila, f. apice serrulatis, foliolis maximis, ad } alt. solum bifidis, br. acuminulatis inciso- serratis, per. cornibus fere horizontalibus. ll. C.-L. rufo-pellucida. Rufa insigniter pellucida. F. dimidiata sub- divergentia, apice abrupte acuto argute v. subduplo serrulata, exocel- lata, lobulo inflato. Foliola ae 4 f. superantia. Bractez acuminulatee argute serrulate. Per. obpyramidato-cylindrica, cor- nibus longis late patentibus. Andr. longispica. b b. Flores dioici. 12. C.-L. fuliginosa. Nigro-fusca. Caules elongati laxe subpinnati. F. inferiora dissita ligulato-oblonga, superiora subimbricata oblique ovato-oblonga rotundata, raro sttbacuta, exocellata. Foliola=¢ fol. raro majora, orbiculato-ovata ad 4 bifida, segmentis acutis. 13. C.-L. hylophila. Olivaceo-rufa. Caules vage ramosi vel ex p. dicho- tomi. F. subimbricata decurvo-concava subdivergentia, late semi- ovata rotundata subacutave integerrima exocellata, lobulo parvo CERATO-LEJEUNEA. 201 saccato. Foliola variabilia foliis fere squimagna vel rarius 2-3-plo minora, sinu baseos profundo, apice ad 4-4 bifida, segmentis subacutis. Br. serrulatze acute, v. altera obtusa; bracteola ovalis rotundave breviter bifida serrulata. Per. elongata obconico-cylindracea, cornibus longis suberectis Andr. breviuscalan—Var. subdenticulata, foliis apice 2—3-denticulatis, foliolis suabminoribus. 14, C.-L. microrhegma. Rufo-fusca. Caules paulo ramosi. F. patentis- sima subfalcata subsemicordato-oblonga, apice rotundato serrulata, exocellata, decurrenti-lobulata. Foliola foliis eequimagna insigniter cordato-reniformia, apice rima brevissima solum 4 ¢. alta bidentula. Fl. 2 innovatione unilaterali. Br. spinulosze, lobulo obtuso; brac- teola ovalis apice bidentata basi constricta. Per. oblonga, cornibus prelongis suberectis. 15. C.-L. maritima. Rufo-badia, dense depresso-czespitosa. F. oblique semiovato-oblonga, apice seepius obtuso serrulata. Foliola subduplo breviora, superiora valde oblata reniformia, basi rotundata (nec cor- data), apice breviter bifida, segmentis acuminatis. Andr. longi- spica. 16. C.-L. platyceras. Rufa. Caules inequaliter pinnati. F. late di- midiato-ovata subacuminata acuta, margine fere toto argute dentato- serrata, parviocellata, lobulo saccato. Foliola 2-3-plo minora orbi- culata ultra $ bifida, segmentis acuminulatis, serrulata. Br. acute crebre spinuloso-serrate; bracteola ovali-lanceolata fere ad $ bifida serrulata. Per. urniformia, carinis 4 papulosis, cornibus patulis brevibus latis plerumque subevolutis ore hiante crenatis. Andr. brevispica seepe terminalia. 17. C.-L. spinosa. Rufa, fragilis. Caules preelongi parce ramosi. F. oblique semicordato-ovata subulato-acuminata acuta, margine postico apiceque spinuloso-serrata, lobulo minuto, exocellata. Foliola f. duplo breviora ovata ultra 4 bifida, segmentis tenui-acuminatis. Br. acuminate ciliato-spinose ; bracteola ovata profunde bifida, seg- mentis longissime acuminatis, integerrima. 1. Cerato-LEJEUNEA PLUMULA, Spruce. Hab. M. Guayrapurina Andium Peruy., ad filices (alt. 1000 m.); fl. Negro et Uaupés in arborum foliis ; e rarioribus. F'-85 x ‘6 ; lob 13; ¢ gy; f* 15x ‘12; br 55; per 55x -4; br g -1™™, Rufo-fusca prostrata arcte repens. Caules 4-1 pollicares, pulchre plumeformi-pinnati raro subbipinnati. Folia subimbricata falcata divergentia dimidiato-ovata obtusata v. abrupte acuta, basi antica dilatata subsemicordata, margine postico recto vy. concavo in caulinis integerrima, antico rotundato supra medium apiceque angulata subdenticulatave, ramea tamen (caulinis duplo minora) margine fere toto argute serrulata, sinuato-compli- cata; lobulus parvus folio caulino 6-plo brevior ovatus inflatus exciso-acutus; cellule mediz parvule, versus folii marginem anticum minores, versus posticum et inferiores majores, 3-6 prope basin czeteris duplo longiores in lineam ocellumye dispositee. Utriculi magni ad ramorum basin frequenter adsunt, globoso-reniformes, facie interna subimpressi centroque perforati, Foliola minuta foliis caulinis fere 6-plo breviora ovalia ad 4 bifida, laciniis acutis. TRANS. BOT. SOC. EDIN., VOL. XY. bo Cc 202 CERATO-LEJEUNEA. Flores monoici: ? in ramo brevissimo terminales, innovatione simplice suffulti. Bracteze foliis dimidio breviores complicato-bilobee, lobo obovato apice serrulato, lobulo subbreviore angustioreque lanceolato; bracteola ligulato-oblonga breviter bifida subintegerrima. Perianthia parva vix emersa badia obovata subturbinatave obscure 4-angula, demum fere teretia; apice in cornua 4, reliquo perianthio vix breviora, linearia, ligulata clavatave obtusata compressa erecta v. conniventia, porrecta. Andreecia ramulo tenui constantia ; bracteze 4-6-jugee minute subdissite naviculares dorso papulosee. Forma riparia, illa preecipue e S. Carlos, minus eleganter pinata; folia tam caulina quam ramea argute serrata, basi yittata, ocellatave. L. Splitgerberiana, Mont. (in Guiana lecta) caule bipinnatim decom- posito, foliis semicircularibus viridi-hyalimis, et perianthio obconico corni- bus reflewis, a nostra distincta, caeterum haud absimilis. 2, CERATO-LEJEUNEA MEGALOPHYSA, Spruce. Hab. Ad. fl. Negro cataractas et fl. Uaupés, in palmarum arborumque foliis. L. plumule colore rufo, caule arcte pinnato, florescentiaque monoica convenit, differt ceteris caracteribus. Folia late dimidiato-ovata abrupte acuta obtusave, apicem versus paucidenticulata, vel caulina subintegerrima, subrecte lobulata, lobulo minuto, cellulis inferiori- bus sensim majoribus, ocello proprio nullo. Foliola ws L. plumule duplo majora, =+ folii, vix ultra } bifida. Bractez pauciserrulate; bracteola ovali-orbiculata breviter bifida, Perianthia oblongo- urniformia minute rostellata, alte argute 4—5-carinata, carinis apice in cornua perbrevia patentissuma subacuta vel truncato-denticulata dilatatis.—Utriculi magni crebri—Folia qualia L. plumule insig- niter incurvo-canaliculata, unde planta crispula evadit, post sicca- tionem preecipue. 3. CeRATO-LEJEUNEA CuBENSIS, Mont. Hist. physic. etc. de Cuba, 481, t. 18, f. 2. Hab. Per totum flumen Negro, in arborum truncis ramulisque, raro in rupibus. F-45835; lob 15; ¢ Asay; ft 15x °15 ; br. lob 55x33; brie -4x 2; per ‘55 X°35™™, Pusilla, caespitosa, e viridi rufula, sicca flavida. Caules }-}-pollicares pro- strati inequaliter subbipinnati, ramis brevibus assurgentibus arcuatis. Folia imbricata decurvo-fornicata subfalcata dimidiato-ovata oblique abrupte acuta, margine antico apice denticulata raro subintegerrima, subsinuato-complicata ; lobulus triplo brevior sat conspicuus sub- transversus semiovatus turgidus, rarissime ad plicam redactus obsoletusve; cellule fere minutule pellucide ambitu anguste opacz, 1-4 prope folii basin duplo longiores primum materia grumosa obscuratee, demum vacue. Utriculi nulli vel rarissimi. Foliola dissita folio 3-plo breviora suborbiculata, ad vel paulo ultra 3 bilida, segmentis acutis. o CERATO-LEJEUNEA. 205 Flores monoici; @ in ramo brevi longioreve terminales, innovatione simplice suffulti. Bracteze foliis sublongicres, ad ? bifidee, compli- cate, acute, subserrulate v. grosse serrate, raro fere integerrime, lobis obovato-lanceolatis, inferiore breviore angustioreque ; bracteola lanceolata ad 4 bifida, segmentis acutis, integerrima. Perianthia vix emersa pyriformia subcompressa, marginibus acute carinatis, postice ventricosa obscure bicarinulata, apice in 3 v. 4 umbones cornuaye brevissima erecta ebtusa producta, demum 3-4-fida. Capsula spheerica. Andreecia pro more longispica, ramum totum—raro ejus apicem solum— tenentia, julacea ; bracteze 4-10-jugee sat magnee imbricatee. Prope Mandos fluminis Negro, in arboribus humilibus planitiei-arenosi “Umirisdél” dicti, advenit forma pulchella dense czespitoso-stratificata, foliolis late ovalibus apicibus acuminatis. The ocellus near the base of each leaf consists normally of 2 (rarely more) enlarged cells, covered on their under surface with a grumous greenish waxy mass, which is easily removable and finally falls away, leaving the cells scariose, pellucid and nearly empty. It therefore pro- bably exudes from the cells, but whether it is a fungous growth, or a morbid state of the chlorophyl I am unable to say. Var. guianensis N. et Mont. (sp.), Mont. in Ann. Se. Nat. 1840. Hab. Pard, ad arborum truncos, cum Frullania exili Tayl., necnon per fl. Negro sylvas. Pro L. Cubensis var. habenda; differt autem caule longiori, seepe pollicari, in planum fere ramoso; foliis planioribus rotundatis obtusatisve raro subacutis, fere constanter integerrimis, lobulo 4-plo breviore haud raro obsoleto; foliolis foliis 4-plo minoribus; ramis ? sepe iteratiin innovatis; bracteis integerrimis raro serrulatis ; perianthii cornibus perbrevibus quidem paulo distinctioribus quam in typo. —L. Murtiana Gottsche, Syn. Hep. probabiliter pro L. guianensis forma habenda. 4, CERATO-LEJEUNEA RIGIDULA, Nees et Mont. Ann. Sc. Nat. 1840; G. L. et N. Syn. Hep. 371. Hab. In fi. Negro sylvis, adarborum truncos, ramulos foliaque viva, necnon in palmarum foliis, nunquam in truncis putrescentibus. Guiana Gallica (Leprieur). F-7x°5, 6x °43, 55x ‘4; lob 1; ¢ fs—75; fl 2-15; br 6; brit 4x °35; per “75x °4 (lat. infra cornua) 4™™, Rufo-badia prostrata. Canles 2-pollicares tenues flexuosi laxe pinnati, ramis planis, raro subbipinnati. Folia parum imbricata subfaleata cblique semiovato-oblonga, apice ob- lique acuto obtusove subserrulata raro integerrima, subrecte com- plicata; lobulus minutus ovatus inflatus interdum obsoletus; cel- lulee parvule pellucide, 5 v. 6 basin versus majores ocellum indis- tinctum efformantes. Utriculi rari. Foliola foliis 3-4-plo minora ovali-rotunda ad 4-bifida, segmentis acutis. Flores monoici: 9 in ramo innoyando terminales. Bracteze foliis sube- quales subserrulatee, lobis acutis obtusisve, inferiore duplo minore; bracteola ovali-rotunda ad + fissa. 204 CERATO-LEJEUNEA. Perianthia subemersa obconico-oblonga 4-carinata-cornutaque, carinis papulosis in eetate subobsoletis, cornibus tenuiusculis late patenti- bus interdum fere squarrosis longitudine variis semper tamen czetero perianthio duplo brevioribus. Andreecia cauligena mediocria; bracteze sub 5-jugee. Cerato-Lejeunee Cubensis, quoad foliola parva huic similis, differt caule longiore fere in planum ramoso; foliis planioribus obliquis, vix autem dimidiatis, raro subocellatis; sed precipue perianthii elongati cornibus sat longioribus patentibusque. Foliola magnitudine valde varia, aliorum ramorum duplo minora, nunquam tamen magna qualia in L. variabili, ete. Specimina Guianensia ex herb. Montagnei minime rigida sunt, post siccationem tamen difficiliter emollitura.—L. ceratantha M. et N., nisi pro foliis densis, vix diversa videretur. 5. CeERATO-LEJEUNEA COMMIXTA, Spruce. Hab. Tarapoto, in Bryo-Lejeunea fruticosa Tayl. repens, cum L. plumula Spruce mixta. F ‘55 x°4, lob 15; c fe; fle ‘2x15; per 6 x‘35™™, Rufo-badia, intricata, parum stratificata. Caules 4-1 poll. longi, in planum ramosi, arcte subbipinnati, ramis inzequilongis. Folia subcontigua oblique ovata (vix dimidiata) obtusata rotundatave integerrima planiuscula, basi antica dilatata non autem semicordata, ocello distincto cellulis 2-6 majoribus scariosis constante; lobulus vix 4-plo brevior conspicuus ovato-quadratus inflatus subsaccatus; cellule L. rigidule. Foliola vix triplo breviora ovali-rotunda ad 4 bifida, segmentis acutis. Flores dioici: 2 in ramo brevi terminales, innovatione simplice suffulti, Bractez foliis subeequilonge ultra 4 bifidz, lobo anguste obovato- lanceolato obtuso, integerrimo, interdum apice angulato, lobulo paulo angustiore dimidio breviore lanceolato acuto; bracteola lanceolata ad 3 bifida carinata, segmentis acutatis, integerrima. Perianthia parum emersa obovato-oblonga 4-carinata-cornutaque, carinis e cellulis extantibus pulchre pellucido-tuberculosis, cornibus per- brevibus late patentibus. Cerato-Lejeunea plumula, mixta, foliis dimidiatis faleatis, apice acutis et argute serrulatis, facile distincta.—C.-L. rigidula floribus monoicis; lobulis foliolisque subminoribus, his orbiculatis; perianthia cornibus fere brevi- oribus erecto-patentibus, diversa est.—0.-L. luteola colore pallido, tene- ritate; caule multo minus ramoso; bracteis acutis serrulatis; bracteola ovali breviter bifida grosse serrata, differt. 6. CERATO-LEJEUNEA MONTICOLA, Spruce. Hab. In Andium Peruvie monte Guayrapurina, ad cortices vetustas. Cum L. Cubenst Mont. convenit statura pusilla, foliolis parvis (=folii #4) &c., differt florescentia dioica et caracteribus sequentibus. Caules a basi brevi prostrata suberecti czespitosi parum ramosi. Folia angulo 60° patentia (nec divergentia) subdimidiata, margine postico recto basi recte complicata, lobulo parvo obsoletove, apice abrupte CERATO-LEJEUNEA. 205 acuta subintegerrima. Foliola ovato-rhombea ultra 4 bifida, seg- mentis peracutis. Bracteze iis L. Cubensis multo majores, *7'"™ long; bracteola ‘6x °3™™, Perianthia majora, ‘9x ‘6™™" urceolata com- pressa apice late truncato rostellata, 4 carinata, brevicornia, cornibus brevi-conicis compressis, apice rotundatis, late fere horizontaliter patulis, Androecia seepius terminalia brevia ovoidea, bracteis 3-5- jugis majusculis. 7. CeRATo-LEJEUNEA LUTEOLA, S. Hab. 8. Carlos fl. Negro, in cortice vetusto: planta ? sola, sterilis. Hbbe A: lob “1; ¢ pe 5 f'* 16 x15; bf “755 br'* 6 x "35™. Ex albido lutescens vix rufula prostrata stratificata, pellucida tenera. A L. rigidula, affini, differt teneritate, colore pallido, florescentia dioica, caule brevi 4-pollicari repente paulo ramoso, ramis sepe elongatis. Folia subimbricata arcuato-concava oblique subsemicor- dato-ovata rotundata obtusatave repanda integerrima, superiora raro apice obsolete denticulata; lobulus parvus inflatus; cellule subpar- vule fere’ vacue, pariete ad angulos subincrassato ; ocelli nulli. Bracteze foliis submajores acutze superne parce grosse serrulatee, lobo ovali, lobulo breviore lanceolato; bracteola subovalis breviter bifida apice grosse subserrata v. fere equaliter 4-fida, utrinque cum bracteis connata. 8. CeRATO-LEJEUNBA CADUCIFOLIA, Spruce. Hab. Manaos, supra fluminis Negro ostia, in cortice. F 42x35; lob 075-15; ¢ dg; fs *1x°1; br. lobus 5x2; br’4 3x15; per °45 x °25™™, Pusilla, rufescens, plagas latas densiusculas formans. Caules $-pollicares vage ramosi implexi, ramique tenues flexuosi, e foliis deciduissimis— foliolis solis, rarius etiam lobulis, persistentibus—ex parte denudati. Folia subhorizontalia contigua vel parum imbricata, late semicordato- oblonga, falcata, apice rotundato obtusove recurvula, margine undu- lato-repanda insuperque celluloso-subcrenulata, basin versus cellulis 1-3 magnis ocellata; lobulus folio 3-6-plo brevior ovatus inflatus exciso-acutus, perseepe deficiens; cellule fere minutulz, iis ceterum Cerato-Lejeunearum minores, subpellucide. Utriculi nulli. Foliola distantia, foliis 4-5-plo minora ovato-rotunda vel subrhombea, medio margine utrinque angulata v. raro unidentata, apice ultra medium bifida, segmentis subacutis. Flores dioici: 2 in ramo spe iteratim innovando-florifero terminales. Bractez foliis longiores complicato-bilobz, lobis planis lanceolatis acutatis integerrimis, postico subminore; bracteola paulo minor ob- longa vix ad 4 bifida, sinu segmentisque acutis. Perianthia foliis caulinis subeequilonga obovata truncata brevi-rostellata 4-5-gona, ecornia. Ab omnibus affinibus facile distincta ! 9, Cerato-LeseuNEA Coarina, Gottsche. Syn. Hep. 395. Hab. Ad rupes fluminis Negro cataractarum humectatas, necon ad arborum ramulos rivuli Cawapuna inundatos. (R. S. 1853.) Ad fl. Coart ostia, flum. Amazonum affluentis, legit cl. Marrius. 206 CERATO-LEJEUNEA, F 65 x °5, lob 125, ¢ Aas ; f' °3 x ‘4, °35 x 45, 4x 55 (in var.); br 55; br’* 5x 45; per 10x °4™™, Rufo-badia late prostrato-stratificata. Caules 2-3 pollicares vage ramosi, in parte inferiore amentis ¢ seepe pinnulati. Folia subimbricata patula semicordato-oblonga, apice decurvo subobliquo rotundata obtusatave, integerrima, basi subrecte complicata; lobulus 5-plo brevior ovatus inflatus; cellule parve pellucidee, parietibus fuscidulis. Utriculi nulli vel perrari. : Foliola dissita vel contigua, foliis duplo breviora (in ramis fertilibus seepe 4-plo breviora) cordato-orbiculata, paulo latiora quam longa, ad vel paulo ultra 4 fissa, segmentis erectis acutis. Flores monoici: @ in ramo brevi terminales, innovatione simplice, raro prolifera, suffulti: rarissime e dichotomia. Bractez foliis minores ultra medium bifidz, lobo oblique obovato lanceolatove subacuto, lobulo rhomboideo; bracteola ovali-orbiculata ad 4 bifida, segmentis acutis seepe imbricatis; omnes repandule integerrime, Perianthia altiuscule emersa, foliis dimidio longiora, clavato-oblonga pyriformiave, supra medium 4-carinata, carinis apice vel recte trun- catis vel seepius in cornua rudimentaria horizontalia triangularia dilatatis. Amenta ¢ crebra cauligena, folium vicinum paulo superantia; bractes sub 5-jugee mediocres. Obs. In iisdem locis advenit altera forma, megalostipa, foliolis folia fere eequantibus; foliis apice valde decurvo-concavis, interdum apice subden- ticulatis; perianthiis apice lato recte truncatis ecornibus, vel carinis later- alibus brevissime cornutis. In Syn. Hep. lL c. perianthia (probabiliter juvenilia) “ ventricosa ” descripta sunt. 10. CeRATO-LEJEUNEA VARIABILIs, Lindenb. Syn. Hep. 399. Hab. In sylva Amazonica tota, precipue juxta fl. Negro ripas, in arborum truncis, ramis, foliis, necnon in radicibus inundatis, etiam in filicibus etc., in saxis et in truncis putridis rarior; in Andibus vix ad alt. 1000m. attingit. F 85x ‘65, °8x°6; lob ‘1-125; c A; f* 5x6, ‘45x55 br 5; per 12°45; cornua *254+™™, Majuscula rufo-badia, spe sublurida, raro nigrescens, pro more dense stratificata. Caules 13-3-pollicares prostrati inzequaliter pinnati et subbipinnati. Folia imbricata late semicordato-ovata, interdum ovato-oblonga, apice decurvo abrupte acuta—v. inferiora rotundata—repandula integer- rima; lobulus minutus folio 6-8-plo minor inflatus; cellule sub- parvule eequilaterze pellucidie, inferiores sensim majores, ocello nullo. Utriculi adsunt. Foliola inferiora parva dissita, superiora increscentia subimbricata dimi- dium folium plus minus superantia, cordato-ovata, seepius oblata, ad 4 acute bifida, segmentis acutis. Flores monoici: @ in ramo terminales, innovatione unilaterali—raro duabus oppositis—suffulti. Bracteze foliis sat breviores profunde complicato-bifide denticulate, raro subintegerrime, lobis subacutis, inferiore fere duplo breviore; bracteola ovalis v. fere orbiculata ad 3 bifida, segmentis acuminulatis, interdum serrulata. CERATO-LEJEUNEA. 207 Perianthia emersa obconica supra medium 4- (5-) carinata, carinis in cornua plus minus elongata—semper cetero perianthio breviora— subulata, obtusa acutave, plus minus patentia, stricta recurvulave, porrecta. Andreecia folio caulino subeequilonga v. parum longiora; bractese 3-5- (raro 6-) jugee majusculee subimbricate. Ad fl. Negro cataractas in rupibus advenit forma caulibus elongatis parallelis, ramulis ¢ et 9 seepe arcte pinnulatis. Cum eadem, necnon ad fl. Orinoco cataractas, legi formam megalostipam, foliolis folia fere eequantibus cordato-orbiculato-ovatis—vix unquam sub- reniformibus,—Huic valde similis est L. cornuta Lindenb.! in hb. Hook., e Guiana, Syn. Hep, 399, differt autem foliis ocellatis, perianthii corni- bus longis perfecte erectis, “L. cornuta” ejusd.! hb. Hook., ex ins. 8. Vincentis, aliena est, dioica, foliorum lobulis omnibus insigniter inflatis. Var. subserrata, 8. In iisdem locis ac typus habitat. Differt foliis minoribus apice serrulatis (55 x -43™™), lobulo seepe ad plicam minutam redacto vel etiam obsoleto ; cellulis minoribus (j;—3,™™); bracteis magis serratis v. etiam spinulosis ; perianthiis seepe immersis. Var. saproxylophila, S. A typo differt foliis apice serrulatis semper sub- acutis; foliolis maximis folia superficie equantibus apice ad + solum bifidis ; bracteis acuminulatis inciso-serrulatis, bracteola latior quam longa spinulosa fere ad_}-bifida, segmentis acuminulatis ; perianthii cornibus fere horizontaliter patulis. A var. subserrata diversa iisdem caracteribus insuperque foliis cellulisque majoribus, lobulo semper distincto inflato, Hab. ad fl. Uaupés et M. Guayrapurina, in truncis putridis.—Primo visu species distincta videretur, quum tamen in typo, necnon in var. subserrata, foliola ad eandem stirpem nune majora nunc minora inveniuntur, foliaque apice nunc argute serrata nune fere integerrima, omnes pro unica specie valde vari- abili habendas censeo,—In omnibus formis frequenter adsunt utriculi magni, ad ramorum basin bini oppositi; constant folio in sacculum concheeformem reniformemve, facie supera depressum perforatumque, omnino convoluto.—In vars., magis frequentur quam in typo, flores dichotomiales inveniuntur, ramulis novellis interdum apice iterum floriferis furcatisque. 11. CERATO-LEJEUNEA RUFO-PELLUCIDA, Spruce. Hab. Ad San Carlos del Rio Negro, in arborum foliis, rarius in cortice et in truncis putridis. F °85x°6, 55 x°B; ¢ dy; fl 45x °65, -25x°3; br 55; br’ -45x°3; per “75 x °3™™ (lat. infra cornua mensa). Rufa sat robusta prostrata. Caules 1-2-pollicares pinnati et inequaliter subbipinnati, ramis omnibus planis. Folia pulchre pellucida subimbricata subdivergentia, semicordato-ovata, falcato-dimidiata, margine postico recto vel saepe subconcavo, apice obliquo abrupte acuta, rarius rotundata, et plus minus areute— interdum subduplo—serrulata, basi sinuato-complicata ; lobulus 4-6-plo brevior semper inflatus transversus semiovatus ; cellule 208 CERATO-LEJEUNEA. parvule pellucide, prope basin sensim multo majores sed non in ocellum congestz. Utriculi magni ad ramorum basin spe adve- niunt. Foliola subimbricata dimidium folium pro more superantia—in aliis ramulis autem foliis 3-plo breviora, cordato-reniformia ad 4-4 bifida, rima 8 cellulas alta, segmentis apiculato-acutis, integerrima, supe- riora raro denticulo uno alterove armata. Flores monoici: @ in ramo_ brevi terminales, innovatione simplice suffulti. Bracteze foliis $ breviores bipartite argute serrulatee, lobo ovali acuminulato, lobulv multo minore lanceolato; bracteola ovalis serrulata ad 4 fissa. Perianthia emersa obpyramidato-cylindrica longicornia, cornibus tenuius- culis cylindrico-subulatis strictis recurvulisve late patentibus. Andreecia crebra longispica ramulum totum, vel seepius rami longioris apicem, tenentia ; bracteze ad 12-jugz mediocres laxe imbricate. A L. variabili var. subserrata habitu et pelluciditate primo visu diversa, ab eadem tamen egre definienda foliis apice argute subduplo serratis, lobulo semper inflato ; foliolorum segmentis apiculatis ; perian- thiis subcylindricis; andreeciis longispicis.—L. brasiliensis G. (ad flum. Amazonum a cl. Martio lecta, a me pretervisa) differre videtur foliis subacuminatis apice spinulosis; foliolis minus profunde cordatis distincte denticulatis serrulatisve, et perianthiis latioribus. Forsan utraque pro forma ejusdem speciei habenda. 12. CeraTo-LEJEUNEA FULIGINOSA, Spruce. Hab. Ad fl. Negro et Uaupés cataractas, in arborum truncis et rupibus inundatis: semper sterilis et, ut videtur, mere mascula. E-75< (50; lob 155 ¢ 4 5 fab xrap a Prostrata nigro-fusca, fere fuliginosa, in plagas latas tenues extensa. Caules 2-pollicares paralleli ineequaliter subpinnati. Folia horizontalia patentia, inferiora dissita ligulato-oblonga, superiora subimbricata oblique ovato-oblonga subconcava, rotundata, oblique truncata, v. raro subacuta angulatave, basi subquadrata, margine repanda, sinuato-complicata; lobulus folio 5-plo brevior, ovatus inflatus; cellule subparve, basin et marginem posticum versus majores pallidioresque, ocello tamen nullo. Folia cujusque rami duo infima spe in utriculum reniformem, juxta caulem orificium lineare ovaleve mostrantem, omnino convoluta. Foliola subdissita dimidium folium subzequantia orbiculato-ovata, in- feriora minora ad 4, superiora submajora contigua vix ultra 4, bifida, sinu segmentisque acutis. Var. megalostipa, foliolis maximis, foliis vix minoribus, late ovato-orbi- culatis, basi indistincte cordatis, apice breviuscule bifidis——Ad saxa cataractarum humectata—Cum eadem crescit altera forma foliolis inferioribus parvis, superioribus majoribus solum 4 folium sub- zequantibus. A L. variabili differt colore nigrescente ; floribus dioicis ; foliis pro ratione longioribus, oblongis raro subovatis ; foliolis ovato-orbiculatis, nunquam reniformibus, vix unquam cordatis. L. hylophila, pro florescentia dioica nostre similis, folia habet rufe- scentia, ovata; foliola profunde cordata, apice breviter bifida. CERATO-LEJEUNEA. 209 13. CERATO-LEJEUNEA HYLOPHILA, Spruce. Hab. In sylva Amazonica haud infrequens, ad truncos vetustos et folia viva; Pardé; lacum Quiriquiry fluvii Trombetas ; ad fluvios Negro et Uaupes, &e. (Trombetas). F' 5 x:4; lob 1-08; ¢ A—gay; ff '35 x 55; br 65; br'* “6x 4; per ‘9x °3-"4; cornua *3™™, (Uaupes). F 8x65, °7x°65; lob -1; ¢ A; f* 5x'6, ‘25x'2; br “75; Crt foesa; per il x 6am, Dense céspitoso-procumbens, ex olivaceo rufescens badiave. Caules 1-13-pollicares vage ramosi, interdum subdichotomi. Folia subimbricata subdivergentia decurvo-concava late semiovata (fere dimidiata, haud tamen falcata) apice obliquo rotundata—ramea superiora subacuta—integerrima, exocellata, valde sinuato-complicata; lobulus parvus, folio 5-8-plo brevior, saccatus, nunquam obsoletus; cellule: subparvee subpellucidee. Utriculi nulli vel perrari. Foliola imbricata contiguave, foliis fere equimagna—rarius 2-3-plo minora—latiora quam longa, cordato-reniformia, vel prelate cordato- ovata, basi profunde excisa, apice late rotundato ad 4—} bifida, seg- mentis contiguis acutis v. subobtusis, rima vix perceptibili: inferiora semper minora, superiora sensim increscentia, Flores dioici: 9 in ramo terminales, interdum dichotomiales, innovationi- bus simplicibus, vel altera iterum prolifero-dichotoma. Bracteze foliis sublongiores suberectae complicato-bipartitee apiculato-acutee—raro altera obtusa—subserrulatze, lobis lanceolatis, eequilongis, vel in- feriore breviore semperque angustiore ; bracteola ovalis vel fere rotunda, ad 1-1} bifida, serrulata, segmentis apiculato-acutis. Perianthia foliis fere duplo longiora, obconico-cylindracea, 4—5-carinata, carinis papulosis in cornua sat elongata, pungentia vel subobtusa, erecta vel erecto-patentia protractis. Amenta ¢ cauligena, folium contiguum subsuperantia; bracteze sub 4- (raro ad 8-) jugse majusculz galeiformes, apice subrostrate bi- fideeque. Var. subdenticulata, foliis apice subacutis integerrimis v. rarius 2--3-den- ticulatis; foliolis subminoribus semper autem cordatis, perianthii cornibus interdum magis patentibus.—S. Carlos et S. Gabriel, in arborum foliis; Obidos et Panuré, in truncis. Probabiliter inter “LZ. variabilis” formas a cl. auct. Synopseos Hep. inclusa, certe tamen diversa floresc. dioica, &c. L. cornuta Lindenb! e speci. ab ipso, monoica est, ideoque aliena. 14, Cerato-LEJEUNEA MICRORHEGMA, Spruce. (Tas. VIII.) Hab. In sylva Canelos, e ramulis pendula, alt. 1000m. F ‘8x ‘65, ‘7 x ‘6; lob ‘08-1; ¢ s:—4; f'* ‘95 x°6, °75x°5; br. lob “75x 45; brit -6x°4; per 10x °4 (lat. infra cornua)™™, Elata, rufo-fusca nigricansve, flaccida. Caules 2-3-pollicares, fere nigri, paulo ramosi, ramis seepe brevibus. Folia subimbricata patentissima subfalcata, late oblique oblonga v. ovato- oblonga, basi truncato-semicordata, apice valide decurvo rotundato serrulata, decurrenti-lobulata ; lobulus minutus plus minus tur- TRANS. BOT. SOC, IDIN. VOL, XV. 2D 210 CERATO-LEJEUNEA. gidus; cellule parvule pellucide, inferiores sensim submajores, ocellonullo. Utriculi adsunt. Foliola foliis equimagna, oblata tamen, insigniter cordato-reniformia, sinu baseos profundo, apice emarginato-bidentula, sinu solum 4 cel- lulas alto, angusto, dentibus cellula unica apiculatis, e margine toto incurvo concava. Flores dioici: @ in ramo brevissimo terminales, innovatione simplice suffulti. Bracteze foliis subeequilongee suberectee profunde compli- cato-bilobee, spinulosee, lobo obovato-lanceolato acuto, lobule 2-3-plo breviore oblongo obtuso; bracteola utrinque subconnata ovalis brevis- sime bifidula, basi breviter constricta quasi-stipitata. Perianthia emersa oblonga 4-5-gona longicornia; cornibus czetero peri- anthio vix brevioribus suberectis angustiusculis. E foliolis concavis—nec convexis—apice fere integris, a plurimis Cerato- Lejeuneis aberrat, L. hylophile et L. variabili var. saproxylophile pro- xima. 15. CERATO-LEJEUNEA MARITIMA, Spruce. Hab. Caripi, prope fluvii Pardé ostia, in rupibus maritimis, rarius in truncis vetustis vicinis, plagas maximas densas efliciens. Planta mascula solum visa. F 65x45; lob “1; ¢ gy; fi 35x °5, Bx ‘DS, -25x 25, 15 x -15™™, Rufo-badia, L. hylophile subsimilis, diversa ut videretur caracteribus sequentibus. Folia semiovato-oblonga, obliqua sed vix dimidiata, obtusa, raro subacuta, apice serrulata v. saltem angulata; lobulo parvo ovato, aliorum ramorum subgloboso turgidiore, rarissime obsoleto. Utriculi proprii nulli. oliola foliis sub 2-plo minora, superiora seepe fere duplo latiora quam longa, breviter bifida, seg- mentis acuminulatis, basi rotundata nec profunde cordata (qualia in L. hylophila). In aliis ramis—vel etiam in ejusdem rami apice elongato—aliquando adveniunt foliola longe minora, orbiculata, rima paulo profundiore. Andrecia crebra longispica, sat robusta, bracteis circiter 10-jugis. Cerato-L. platyceras certe distincta erit foliis acuminatis magis serratis, foliolis profunde bifidis nunquam reniformibus. Densely-stratified to the depth of half an inch, or even an inch, and absorbing moisture like a sponge. 16. CeRATO-LEJEUNEA PLATYCERAS, Spruce. Hab. In valle fl. Pastasa infra Banos, alt. 1500™., ad ramulos cum Frul- laniis, pl. ¢ ; in sylva Canelos, in cortice, pl. 9 sterilis. F-9 x65, “*7x°55; lob 15-1; c 25; f" 3x °3, 25x 3, 2x 2b0r Dees bria “65 x 45; per 1:0 x 45 (x *75™ cornibus imelusis). Robusta rufa prostrata. Caules 1}-2-pollicares pinnati, flexuosi intricati, ramis brevibus invequalibus. Folia subimbricata patentia late dimidiato-ovata, subsemicordata, apice decurvo subacuminata vel solum acuta, margine postico recto supra medium, antico fere toto apiceque, argute dentato-serrata-spinulosave, subrecte complicata; lobulus minutus folio 6-7-plo brevior inflatus, aliorum ramorum major saccatus et ad folia infima interdum in CERATO-LEJEUNEA. OAT utriculum majusculum dilatatus; cellule parvule pellncide, 2v. plures cxteris duplo majores juxta folii basin in lineam occellumve congestz. Foliola dissita foliis 2-3-plo, in pl. 2 sspe 4-plo minora, suboblato- orbiculata, adusque v. paulo ultra 4 bifida, segmentis acuminulato- acutis, sinu lato acuto, margine supra medium pauciserrulato raro integerrimo. Flores dioici; 9 in ramo brevi terminales, innovatione simplice suffulti. Bracteze foliis equilong bipartitee, lobis lanceolatis acutis, crebre spinuloso-serratis, inferiore duplo angustiore et subbreviore; brac- teola minor ovali-lanceolata fere ad 4 bifida, serrulata, segmentis acuminulatis, basi utrinque cum bracteis connata. Perianthia subemersa urniformia subcompressa alte 4-carinata, carinis papulosis apice in cornua lata brevia recurvulo-patula—rarissime clausa oblonga compressa—plerumque plus minus evoluta, obconica, ore hiante ineequaliter lobulata crenatave, dilatatis. Andreecia in ramis terminalia, vel ramulum totum tenentia, robusta; bracteze 5-jugze, foliis 2-plo breviores, imbricate turgide. L. Filaria Tayl., ad Esmeralda a cl. JAMESON lecta, quoad folia valide dentato-serrata et foliorum segmenta acuminata nostree similis, differt foliis “rotundis obtusis.” L. Brasiliensis Gottsche, Syn. Hep. 398, facie et foliolis subserratis nostre similis, certe distincta est foliis solum apicem versus serrato- spinulosis ; foliolis magnis ad 4 solum bifidis, et perianthiis longicornibus. 'L. platyceras, quoad caules pinnatos et folia argute serrata L. plumule haud dissimilis, differt floribus dioicis ; lobulis plerisque inflatis (parvis tamen); foliolis multo majoribus subserratis; perianthii cornibus patulis plerumque evolutis, ete. Obs. Utricles—not very large—are present at the base of a few of the branches, but their place seems to be mostly supplied by several (rarely all) of the leaf-lobules on certain branches becoming more turgid, although not longer, than in the normal state. Any tenants these sacs may have contained have disappeared from my specimens. 17. CERATO-LEJEUNEA SPINOSA, Gottsche. G. L. et N. Syn. Hep. 402. Hab. in M. Chimborazo, alt. 1500™,in arborum truncis et e ramulis pendula, sociis Taxi-Lejewneis, Plagiochila bursata, etc. In insulis Antillis primum inventa fuit. F 1:35 x ‘8; lob 15; ¢ Ae; f"* 6 x °45; br. lob 10x °5; br’ -85 x -4mm, Rufa, fragilis, aliis muscis arcte adherens. Caules 3-4-pollicares, sub- flexuosi, parce ramosi v. fere simplices. Folia subimbricata patentia, obliqua v. subdimidiata, semicordato-ovata acuminata acuta, margine antico 1-2-dentata, postico spinuloso- dentata-serratave, dentibus ineequalibus, apicali pralongo subulato, basi minute sinuato-lobulata, lobulo folio 9-plo breviore saccato compresso-obconico margine transverso inflexo obscure denticulato; cellule subzequilaterze subparvule pellucide, versus folii basin posticam duplo majores, versus marginem anticum multo minores.— Lobulus foliorum rameorum e lobi majoris ratione caulinis major, duo infimi seepe magni involuto-inflati dimidium folium tenentes, 212 CERATO-LEJEUNEA. Foliola subdistantia foliis duplo breviora ovata ultra $ bifida, segmentis tenul-acuminatis, margine recurvulo integerrima. Flores dioici: ¢ in ramulis breviusculis terminales, innovatione simplice suffulti. Bracteze foliis breviores bipartite, lobo ovato-lanceolato acuminato ciliato-spinoso, lobulo subbreviore multo angustiore lan- ceolato acuminato, (vel altero truncato-bispinoso) subintegerrimo ; > bracteola ovata protunde bifida, segmentis longissime acuminatis, integerrima. Perianthia haud vidi, sec. cl. Gottsche lc. sunt clavato-urneeformia 4- cornia, cornibus magnis latis compressis. Suseenus XXV.—TAXL-LEJEUNEA, &. Omphalanthus N. et Ldng. Syn. Hep. ex p.; Lejeunea Mont., Syn. Hep. ex p. Plant grandiuscule, strato tenui late repentes, albido-virides—nunquam rufule fusceeve—laxe texte pellucide. Caules tenues flaccidi laxe pinnati subsimplicesve, primum repentes dein seepe penduli apiceque indefinite evoluti ; rami ? parvi-paucifolii iteratim innovandi, flori- bus secundis confertis onusti. Folia laxe imbricata contiguave, majuscula vel magna, in Codonocoleis circiter 1-2 (‘9-1°6)™"™, in Pyramidocoleis -8 (-6-1:1)™™ longa, tenera subplana, plus minus ovato-triangularia, pro. more acuta subacu- minatave, in paucis rotundata, apice serrata integerrimave, lobulo basali minuto vel sepissime nullo; cellule mediocres (as-—gim) vel etiam majuscule (,4—7™), leptodermes, encochromio parco pellu- cid, plan vel marginales convex. Foliola mediocria, magna, vel etiam maxima—vix unquam parvula—in paucis folio equimagna vel imo submajora—integerrima vel solum celluloso-crenulata, breviter, raro ultra medium, bifida, rarissime integra. Flores omnium fere monoici*: Q ad ramulos innovatos terminales, quasi-seriati; bracteze pro more parvee lanceolatze seepissime denticu- late, lobulo parvo nullove; bracteola ovalis bifida bidentatave raro integra. Perianthia pro more parva pellucida obconica vel obpyramidata, angusta, vix compressula, vel omnino ecarinata vel apice solo—vel denique fere a basi—5-carinata, plerumque rostellata, levia vel ad carinarum apicem cristulata. Amenta ¢ lateralia, folio caulino breviora, seepe minuta, tenuia, oligo- phylla, incurva. Rarissime adveniunt amenta lengiora in ramis terminalia. In sectiones duas dividenda est Taxi-Lejeunea, sc. 1. Codonocolea, perianthiis parvis tenerrimis obeonicis et, vel omnino ecarinatis inermibusque, vel ipso apice carinas 5 (sepe cristatas) osten- geass —Folia magna szepius apice serrata; cellule interdum majuscule, ad ,4™™ longe. Foliola seepe maxima, ipsis foliis submajora, aliarum * Taxi-Lejewnece omnes, quarum fructus adhue cognovimus, monoice sunt. In perpaucis speciebus, cum Pyramidocoleis ex habitu simili hie collocatis, flores alterius sexts et perianthia ignota remanent. TaxI-LEJEUNEA. PALE specierum autem sat minora; fere semper oblata, reniformia, basi pro- funde cordata, apice levissime emarginata, raro profundius fissa, rarissime integra. 2. Pyramidocolea, perianthiis majoribus, foliis caulinis subeequilongis, fere a basi, vel saltem supra medium 5-angulatis-carinatisve, angulis vel lzevissimis vel solum papulosis—nunquam cristatis—Folia mediocria majusculave, apice integerrima rarius subserrata. Foliola foliis 2-3-plo minora, basi vel rotundata vel subcordata, apice ad 4-3 (raro brevius) bifida. Hab. Codonocolee (Omphalanthi ‘Syn. Hep.’ ex p., valde diverse: autem ab O. filiform, quem pro subgeneris Omphalo-Lejeunee typo habui) ad arborum ramulos et folia viva, necnon ad filices, raro in cortice, montes tropicales sylvaticos ad alt. 2000™™ usque habitant, in planitie rarissime. Pyramidocolee (Lejeunew Acutifolie ‘Syn. Hep.’ ex p.) in truncis vetustis, seepe aliis hepaticis et muscis consociatee, raro in ramulis, foliis, vel filici- bus, interdum in saxis vel in ipsa terra, vigent; planitiem sylvaticam et montes inferiores amant, pauce alt. 2000™ superantes. Distr. Codonocolee sub 16 adhuc descriptze omnes neotropice videntur nisi L. wmbilicata Nees, e Java, et L. gracilipes Tayl., ex ins. Oceanicis. In Andibus Quitensibus 4 species legi (7. L. Chimborazensis, nova) quarum 7’. L. sulphurea L. et L. etiam in planitie ad fluvios Bombonasa et Negro crescit: in ins. Antillis vulgata videtur. Pyramidocolearum species in libris definitee sub 10, omnes (L. lwmbricoides N., Javanica, excepta) neotropice, plereeque Mexican et Columbiane, inter quas nominare liceat (haud sine dubio, ob speciminum defectum) L. acutangula N., L. Caraccensis Lindng., L. Beyrichit Lndng., L. Gottscheana Lndng., L. assimilis L. et G., L. tenera Sw! Ipse in terris Amazonicis et Andinis 9 species legi, omnes (ut videtur) novas, alias autem probabiliter cum Lejeunets jam (incomplete ?) descriptis confusas. § 1. CoDONOCcOoLEA. A. Per. apice ipso pentagona, angulis spinosis cristulatisve. 1. T.-L. Chimborazensis. F. semicordato-ovata apiculata apicem versus spinulosa, laxe reticulata, lobulo 0. Foliola foliis fere duplo breviora cordato-ovato-rotunda, inferiora integra, superiora apice rima sub 5 cell. alta bidentula. Perianthia cylindrico-campanulata superne obtuse 5-gona, angulis apice bispinosis. 2. T.-L. pterogona. FF. ovato-triangularia subapiculata apice subserru- lata, minutissime lobulata. Foliola foliis eequimagna orbiculata pro- funde cordata, auriculis forficatis, apice ad 1-} bifida. Per. longe infundibulata teretia, apice pentagona, angulis laciniato-alatis. B. Per. ecarinata ecristataque, apice corrugato-inflexa. a. Foliola apice bidentula. 3. T.-L. sulphurea, F. semicordato-triangularia apiculata, supra medium celluloso-crenulata, subelobulata. Foliola foliis } breviora cordato- orbiculata undulata, dentibus apicis 5c. altis. Br. serrulatze; brac- teola obovata ad 4 bifida. Per. obconico-clavata levia.—Var. ? pusilla. F. acuminulata suberenulata, apice subserrulata. Foliola foliis fere duplo breviora cordato-subreniformia, latiora quam longa. 4. T.-L. renstipula. F. magna subdivergentia ovato-triangularia sub- acuminata crenulata, apice dentato-serrata, margine postico crispata, 214 TAXI-LEJEUNEA. minute lobulata, laxe texta. Foliola foliis imo majora cordato-reni- formia, dentibus apicis 4-5c. altis. Br. perianthiaque fere 7. L. sulphuree. b. Foliola ad } bifida. [7.-L. leioscypha, G. F. late ovata abrupte apiculata integerrima parvi- lobulata. Foliola vix minora profunde cordato-orbiculata, laciniis apicis erecto-forficatis. Br. minute libere. Per. minuta obconica reticulata, apice depresso plicatula.—Mezxico. ] [T7.-L.? umbilicata, N. F. late semicordato-ovato-oblonga fornicata, apice decurvo rotundata, lobulo 4-plo breviore, cellulis parvulis. Foliola minora cordato-reniformia, laciniis patulis. Br. foliis parum minores vix complicate, cum bracteola altiuscule connate. Per. longe pyri- formi-obconica subcompresso-teretia, apice depresso vix corrugato minute mammillata.—Anne melius inter Hygro-Lejeuneas collocanda? —Java. | 2 2. PYRAMIDOCOLEA. A. Monoice. a. Foliola brevissime bifida. 5. Tawi-L. dictyocalyz. F. acuminulata integerrima subelobulata. Foliola 2-3-plo minora, latiora quam longa, basi profunde cordata, apice ad 4-} bifida. Br. subserratze. Per. subemersa clavato-oblonga alte 5-carinata pulchre reticulata. b. Foliola ad 4-4 usque (raro ultra) bifida. * Folia obtusata rotundatave bracteeque integerrima. 6. Taxi-L. crebriflora. F. subcontigua oblique subfalcato-oblonga sub- elobulata. # 3-4-plo breviora ad vel paulo ultra 3 bifida. Br. lanceolatze obtusate elobulate; bracteola late ligulata breviter bifida. Per. obpyramidato-clavata supra medium 5-carinata, carinis subpapulosis apice lato truncato-rotundatis.—Var. arenicola, aliis foliis subobovatis; bracteola ovali ad 4 bifida—Var. minutiflora, br. tam @ quam ¢ minutis; bracteola 2 cuneato-oblonga ad $ bifida. 7. Tawi-L. tenax, Caules sat robusti tenaces. F. magna tortlia semi- cordato-ovata (raro subacuta); lobulus 5-6-plo brevior inflatus. Foliola plus 3-plo breviora suborbiculata ad 4 bifida, segmentis acutis obtusisve. Br. foliis duplo minores. [Taxi-L. tenera Sw.! Tota planta tenera fragilis. F. magna plana late oblique ovata, lobulo obsoleto. Foliola plus 2-plo breviora, segmentis acutis. Br. foliis multoties minores.—Jamaica.] ** Folia, precipueque bractew, acuta acuminatave, apice persepe subserrulata. 8. Taxi-L. macrorhyncha. Caules decompositi. F. abrupte acuta raro rotundata, integerrima v. solum celluloso-subcrenulata, elobulata. Foliola 4-plo breviora paulo ultra $ bifida. Br. integerrimze, lobulo parvo vel 0; bracteola lanceolata ad ¢ bifida. Per. emersa pyri- formia longirostria. 9. Taxi-L. obtusangula. Parce ramosa. F. prelate semicordato-ovata acuta, apice raro subdenticulata, lobulo 5-plo breviore inflato. Foliola $ folio majora cordato-orbiculata ultra } bifida. Br. sub- 10. MBE 13. 14. TAXI-LEJEUNEA. 215 denticulaté, lobulate; bracteola obovata ad 4 bifida. Per. clavato- oblonga rotundata apicem versus 5-gona demum fere levia. Tax-L. florida. Pinnatim ramosa floribunda. F. subimbricata patentia late ovata subabrupte acuminulata integerrima, lobulo obsoleto. Foliola 2-plo minora ovato-orbiculata fere ad 4 bifida, Br. integerrimz elobulat ; bracteola obovata, emarginato-bifida. Per. obovato-obconica, superne acute 5-carinata. Taxi-L. asthenica. Elongata pinnatim ramosa. F. tenuia late semi- cordato-ovato-triangularia acuminulata, apice y. acuta v. argute 3-dentata, lobulo obsoleto. Foliola sub 3-plo breviora late orbicu- lata ultra $ bifida. Br. foliis breviores serrulate spinuloszeve lobu- late (vel non); bracteola oblonga ad } bifida, Per. clavato-oblonga alte 5-carinata. Taxi-L. Bombonasensis. Elongata bipinnata. F. tenera vix contigua late semicordato-ovata, alia subacuminata, alia obtusa, integerrima, lobulo obsoleto. Foliola foliis plus duplo minora orbiculata ultra $ bifida, Br. foliis breviores angulatee minute lobulatz, antice sub- connate ; bracteola obovato-lanceolata ad 4 bifida. Per. clavato- pyriformia retusula supra medium 5-carinata. Taxi-L. implexa. Elongata vage decomposita. F. subimbricata late semicordato-ovata subacuta, integerrima vel apice angulato-denticu- lata, lobulo ad plicam minutam (raro subinflatam) redacto. Foliola 2-3-plo minora paulo latiora quam longa ad 4 bifida. Br. foliis sublongiores anguste lobulatee subdenticulate; bracteola oblonga ad x bifida seepe utrinque 1-dentata. Per. clavato-oblonga supra medium 5-carinata, carinis apice rotundo-prominulis. —Var.? calliandra. F. seepe latiora magis imbricata. Foliola paulo ultra % fissa. Br. grosse serrate. Per. fere a basi carinata, carinis superne compressis aleeformibus subpapulosis. Andr. seepe preelonga, br. 20-jugis. —Var.? retiflora. F. magna rotundata v. superiora obtusa (nunquam acuta), lobulo minutissimo. Foliola fere 3-plo minora fere ad 4 bifida. Br. foliis breviores subdenticulate. Per. breviuscula obconica reticulato-pellucida altiuscule 5-carinata, carinis apice prominulis. B. Dioice (speciebus monoicis haud certe aftines). Taxi-L.? Tapajosensis, Albicans elongata subpinnata. F. apice rotundata subintegerrima, marginata, lobulo 7-plo minore plano. Foliola 2-plo breviora elliptico-orbiculata fere ad ? bifida. Br. foliis minores integerrime, lobulo majusculo; bracteola oblonga ad t bifida. Taxi-L.? Paraensis. Subpinnata. F. flaccida semicordato-ovata acuta erosula, lobulo 8-plo breviore subinflato, ¢. pariete incrassato. Foliola 25-plo minora oblato-orbiculata ad 4 bifida. Br. andreecii paucijuge. 1, Taxi-LEJEUNEA CHIMBORAZENSIS, Spruce. Hab. In montis Chimborazo sylvaticis, ad filices, alt. 1500™. F 15x10; f'* 95 x°85, 85 x "75; ¢. medie Jy, basales ps, marginem anti- cum versus 3; br -9x°3; per ‘8x °3m™™, Pallide viridis, siccando flavicans, prostrata et ultra matricem in tegeti- culam horizontalem pendulamve protensa. Caules 2-3-pollicares 216 TAXI-LEJEUNEA. arcte pinnati validiusculi, apice indefinite prolongati, alii ramulis floriferis (tam ¢ quam @ ) crebris bipinnati. Folia paululum imbricata plana, basi longitudinali decurrente inserta, semicordato-ovata, subtriangularia, apiculato-acuta—superiora rame- aque plus minus acuminata—apicem versus subspinuloso-denticu- lata, dentibus 3-9 (raro 0), tenuia pellucida, basi elobulata; cellule leptodermes fere vacuce subelongate, mediz majuscule, mediam basin versus magne, submarginales sensim minores. Foliola contigua vel parum imbricata, dimidium folium paulo super- antia, cordato-rotunda-ovatave, inferiora apice rotundata integra, superiora caulina acuta seepeque minutissime bidentula, rima solum 5 cellulas alta; ramulorum fertilium autem duplo minora apiceque distincte breviter bifida. Flores monoici: 2 crebi, 3-6 ad quemque ramum seriatim secundi, quasi laterales, revera terminales, cymosi, ramo iteratim innovando (monotropo) insidentes. Bractez foliis plus dimidio breviores lan- ceolate ligulateeve acuminate subintegerrimee, seepe” basi antica connate; bracteola tamen libera late ligulata ad 4 bifida, segmentis acuminulatis. Perianthia parva subimmersa cylindrico-campanulata, triplo fere longiora quam lata, inferne teretia, superne obtuse pentagona, angulis apice bispinosis (spinis rectis vel varie curvis), perianthii ipsius apice truncato, depresso vel parum elevato, demum trifido vel irregulariter rupto. Amenta ¢ minutissima scorpioidea, folio caulino collaterali multoties breviora; bracteze sub 6-jugze orbiculatee concave, apice bilobe, an- theridiis binatis. Lejeunea debilis Mont.! (Omphalanthus d. L. et Lg.), e specimine authen- tico in herb. Hook., certe distincta, caule flaccido; foliis lobulo distincto parvo inflato auctis, apice solum angulatis vel paucidentatis ; foliolis foliis vix minoribus (zequilatis sed perpaulo brevoribus), apice ad 4 usque fissis. 2. TAXxI-LEJEUNEA PTEROGONIA L. et L. Jungermania pterogonia L. et L. in Lehm. nov. etc. pugill. VI. 1834. p. 44. Syn. Hep. p. 306. Hab. Andes Peruvianos in M. Campana, Quitenses ad fl. Pastasa (alt. 1400™); utrobique e ramis pendula. Antea in Mexico et Peruvia inventa est; vidi etiam specimina ad Caldas Brasilie a cl. G. A. Lind- berg lecta. F 11x1°0, ¢ 34-s5; f2 V1xl1, 10x10; .br-7x 3; per See Elata albo-viridis tenui strato repens dein dependens. Caules 6-polli- cares, interrupte pinnati vel subsimplices, flexuosi, ramis pro more brevibus. Folia subimbricata prelate ovata vel ovato-triangularia acuta apiculatave, apicem versus pauciserrulata (dentibus sub 4), basi antica late semiccrdata (auricula rotundo-circinata), postica minutissime lobu- lata; cellulee medize mediocres, basin posticam versus majores, sub- marginales multo minores, omnes leptodermes subplane. Foliola foliis equimagna orbiculata, basi profundissime cordata, auriculis rotundis forficato-imbricatis, apice rima perangusta subobtusa ad 1_+ alt. fissa, segmentis acutis. TAXI-LEJEUNEA. ya if Flores monoici: ? in ramulis microphyllis, simplicibus vel pinnulatis, seriatim secundi quasi-laterales. Bractez foliis caulinis sat minores, forma varie, oblong vel ovato-lanceolate superne plus minus serrate; bracteola oblonga ad 4 bifida pauciserrulata. Perianthia folio caulino breviora tubiformia vel anguste infundibuli- formia, inferne teretia, apice pentagona, angulis alatis, alis apice in cornua laciniato-ciliatove-cristata porrectis. Sectio perianthii juve- nilis transversa media subovalis, distincte obtuse pentagona. Obs. The leaves and underleaves on the fertile branchlets are only one- third the size of those on the stem, but of similar form, and there is only a single row of them below the flower on each innovation. 3. TAXxI-LEJEUNEA SULPHUREA, L. et L. Jungermania sulphurea Lehm, et L. in Lehm. nov. etc. Pug. V. (1833) p. 14, Lejewnea s, Syn. Hep. 307. Hab. Ad pedem Andium Quitensium secus fl. Bombonasa, in ramulis supra mMuscos repens, etiam ad folia viva. : F10x ‘9-8, c 3; f* °7 x °7; br ‘8x °3; per 1:0 x °55, “9 x “65mm, Pallide viridis, siccando interdum flavicans, prostrata pendulaque, tenuis flaccida pellucida. Caules 3-pollicares intricati subpinnati, ramis brevibus seepe foemineis. Folia subimbricata, basi lata longitudinali inserta, semicordato-ovato- triangularia, rotundata vel ex obtuso apiculata, medio supero cellu- loso-crenulata-serrulatave, apice distincte serrulata, dentibus ine- qualibus sub 7, basi postica minutissime inflexa, vel non; cellule majusculz zequilaterze vel suboblonge leptodermes, basin versus sen- sim laxiores, marginales superiores prominule. Foliola foliis breviora subimbricata, raro subdissita, cordato-orbiculata undulata, rima brevissima 5 cellulas solum alta apice bidentula, dentibus contiguis forficatisve acutis. : Flores monoici: Rami 9 breves parvifolii innovando-pauciflori. Brac- tee foliis 1 breviores lanceolate acute serrulatz elobulatz, vel altera parvilolobulata; bracteola obovata repanda serrulatave apice biden- tata, raro integra. Perianthia foliis caulinis vix breviora, (duplo fere longiora quam lata) obconico-campanulata—rarius clavata vel subcylindrica—eplicata, apice dilatato corrugato-inflexa demum lacero-lobulata. Capsula parva globosa. - r Amenta ¢ ad caulem, raro etiam ad ramos, foliis obtecta iisdemque multo breviora, decurvo-circinata; bracteze minute 3-5-juge. Obs. In plagule ambitu rami arcte bipinnati parvifolii, florescentiis crebris, masculis preecipue, onusti interdum videntur. In talibus ramis folia multo minora angustiora subacuminata et validius dentata sunt, ita ut, si non e caule typice folioso plane orta fuissent, ad speciem alienam pertinere viderentur. Var. subintegristipula, minor, ditissime florifera, floribus 2 seepe in caulis ipsius apice innovando terminales, interdum fl. ¢ mixtis vel alter- nantibus; foliis suababrupte acuminulatis; foliolis paulo latioribus quam longis, aliis perfecte integris, aliis rima 4 cell. alta bidentulis—Ad fl. Negro cataractas, in cortice, cum aliis Lejewnevs. TRANS. BOT. SOC. EDIN. VOL. XV. 25 218 TAXI-LEJEUNEA, 4, Tax1-LEJEUNFA RENISTIPULA, Lindenb, G. L. et N. Syn. Hep., 308. Hab. In sylva Canelos, ad ramulos. F' 16x 1:25; lob .08; c. med. };—sbh, marg. fy; fl* 12x14, 1°25x1°6; br 12x °4, 8x35; brs 10x -6, "8x 5; per 1-1 x -45™m, Pallide viridis pellucida tenuis, majuscula. Caules 3-6-pollicares, strati- ficati, vage vel pinnatim divisi, ramis seepe innovando-floribundis, Folia caulina magna (ramorum, precipue fertilium, duplo minora) ad 4 imbricata, longitudinaliter inserta, patulo-divergentia, planissima, suboblique ovato-triangularia acuta vel subacuminata, apice dentato- serrata, dentibus 3-5, toto margine celluloso-crenulata, basi antica semicordata, margine postico a basi ad medium usque crispata et subincurva (rugis sub 3), basi ipsa minutissime complicata,~plica folio 20-plo breviori subquadrata plana; cellule majuscule pellucide See aiene, marginales mediis triplo minores pulchre promi- nule. Foliola imbricata magna, foliis etiam majora, paulo oblata, cordato-orbi- culata reniformiave, subplana, auriculis baseos tamen medio uni- plicatis, apice rotundato subretusove minutissime bidentula, rima solum 4-5 cellulas alta, dentibus conniventibus, margine toto pulchre celluloso-crenulata. Flores monoici: 9 in ramis iteratim proliferis seriati, assurgenti-secundi conferti (ad 5-6 cujusque rami); bractez erectee foliis caulinis sub- duplo minores, variabiles tamen, alterdque duorum semper breviore, anguste lanceolate subacuminate supra medium subserrate, a basi ad 4 alt. anguste complicate, plicé lineari acuta; bracteola obovata ad 4 (vel vix) bifida, segmentis acutis, apice dentato-serrata integerri- mave. Perianthia subemersa albida tenera clavata, teretia, apice rotundato sub- corrugata, 23-plo longiora quam lata, demum clavato-campanulata, apice rupta plurifida, segmentis inflexis vel seepe deciduis. Andrcecia ad caulem, folio longe breviora, ovoidea, bracteis arecte imbri- catis mediocribus cymbiformibus. Melius pro Taai-L. sulphuree varietate crispifolia grandistipula, quam pro specie propria habenda. 5. Taxi-LEJEUNEA DICTYOCALYX, Spruce. Hab. Tunguragua, in arborum vetustarum cortice, alt. 2300™, Fo11x'9; 10x °75, lob -1, ¢ dg; f 55x °65, -4x°5; br “85x°4; brs Ox son penal OCA am Pallide viridis flaccida, strato tenui effusa. Caules pollicares parum divisi subpinnati. Folia paulo (ad 4) imbricata, angulo 70° adscendentia, e basi longitudi- nali, late semicordato-ovata subabrupte acuminulata acuta, acumine breviusculo vel foliorum superiorum longiore decurvulo, integerrima, basi antici caulem late transeuntia, posticé angustissime inflexo- complicata (vel vix); cellule mediocres pellucide fere vacuz, Foliola dissita, foliis 2-plo (inferiora sub 3-plo) minora, profunde cordata, oblato-ovata vel suborbiculata, apice rima brevi (ad 3-4 alt.) fissa, segmentis apiculato-acutis conniventibus, alis recurvis, TAXI-LEJEUNEA. 219 Flores monoici: ? terminales, cum innovatione simplice, raro in ramo prolifero seriati. Bracteze erectee foliis subbreviores lanceolate acuminulate subserrate vel fere integerrime, ad medium bifida, lobulo perangusto apice lanceolato; bracteola late oblonga rotundata brevissime (raro ad 4 usque) bifida, apicibus acutis. Perianthia foliis caulinis subeequilonga clavato-oblonga rotundato-trun- cata brevi-rostellata, fere a basi alte 5-carinata—paulo compressa, pellucida reticulata leevissima. Amenta ¢ folio caulino duplo breviora, incurva; bracteze sub 5-juga: minute pallide. Taxi-L. obtusangula, huie habitu persimilis, differt foliis subminoribus, solum acutis (nec acuminatis) distincte lobulatis; foliolis magis profunde (ultra 4) et valde obtuse bifidis; perianthiis minus alte carinatis supra medium constrictis. Taxi-L. florida, foliis minoribus vix semicordatis; foliolis minime pro- funde cordatis, apice fere ad medium brfidis ; bracteis integerrimis et peri- anthii carinis papulosis differt. 6. TAx1-LEJEUNEA CREBRIFLORA, Spruce. Hab. S. Gabriel fluvii Negro, in arborum foliis. F 10x ‘75, 1:1 x°85, ¢ gh—ds 3 f! '85 x 455 br 6x °75 per 85 x ‘35m, Late laxe repens pallida tenerrima crebre florifera. Caules pollicares et longiores bipinnati. Folia subcontigua, longitudinaliter fere inserta, oblique subfalcato-oblonga rotundata, basi minutissime inflexa; cellule mediocres equilatera, ad marginem posticum basinque majores, omnes valde diaphane. Folia ramea longe minora. Foliola dissita foliis 3-plo breviora oblato-orbiculata, ad vel ultra dimi- dium bifida, sinu triangulari, apicibus acutis. Flores monoici: 9 in ramulis iteratim innovatis seriatim secundi. Bracteze foliis } breviores, ligulato-lanceolatze elobulatz; bracteola late ligu- lata breviter bifida. Perianthia foliis caulinis breviora, subemersa, obpyramidato-clavata com- pressula, supra medium (vel fere a basi) alte 5-carinata, carinis sub- levissimis apice lato truncatis, rostello perbrevi. Andreecia ramulo tenui incurvo, folio collaterali subbreviore, constantia; bracteze 4-9-jugee parvee cito marcescentes. Var. arenicola. Folia minora sepius dissita, basi longe decurrente omnino elobulata, cellulis submajoribus.—In fluminis Orinoco arena, infra Esmeralda. Var. minutiflora. Foliola foliis 4-plo breviora. Bractez fl. 9 minute parvilobulate. Perianthia carinis apice rotundato-truncatis, An- drecia minuta, bracteis 2-jugis—Ad S. Gabriel, cum typo, in Gym- nopterrdis fronde. Taxi-L. implexa S. a priori distat caule crassiore ; foliis duplo fere minoribus, basi latioribus, apice angustioribus seepius subacutis, arctius reticulatis; foliolis vix ultra 4 bifidis; perianthiis brevioribus minus alte carinatis, carinis apice rotundo-prominulis (nec truncatis). 220 TAXI-LEJEUNFA. 7. TAaxI-LEJEUNEA TENAX, Spruce. Hab. Caripi, prope Pard, in saxis maritimis, sterilis. F'1:1x°95; lob 2; ¢ 3; f 35x35; br 65; brs -6 x 3mm, Late depresso-czespitosa, viridis, siccando flavescens. Caules intricati, 2-pollicares tenaces, subcompressi, strato corticali cellularum majorum sectione compressarum pellucidarum, stratisque 2 v. 3 concentricis cellularum 3-plo angustiorum, constantes, vage ramosi, ramis valde inzequilongis, rarius subpinnati, pinnis interdum floriferis. Folia subimbricata dissitave plana v. sepius decurvula, haud raro torta, late semicordato-ovata, rotundata obtusave, rarius subacuta, integer- rima, basi minute complicata; lobulus 5-6-plo brevior involutus, nunquam obsoletus ; cellule mediocres subpellucide leptodermes, solum ad angulos parum incrassat, inferiores majores, submargin- ales plures multo minores. Foliola foliis plus 3-plo breviora suborbiculata, ad medium bifida, segmentis acutis v. obtusis, seepissime radicellifera. Flores monoici (steriles solum visi): ? in ramo brevi semel bisve inno- vando-prolifero terminales (quasi seriatim secundi). Bractez foliis fere duplo minores, forma varie, plerumque altera latior oblique ovata obtusa, altera lanceolata acuta, lobulo angusto lineari pler- umque auctze; bracteola ovali-lanceolata vix ad medium usque bifida ; omnes bracteze integerrime. Amenta ¢ lateralia, folio caulino breviora, oblongo-subglobosa ; bracteze 2-3-juge majusculz. L. tenera, Sw.! Prodr. Fl. Ind. Occid. (ex ipso in hb. Hook.) fragilis est, nostra tenuior ; foliis sparsioribus, tam latis quam longis, obsolete lobulatis ; foliolis dimidio majoribus ; bracteis longe minoribus ; habitu tamen et foliis magnis valde similis. 8. Taxi-LEJEUNEA MACRORHYNCHA, Spruce. ITab. Tavalosos Andium Peruvianorum, alt. 800", in filice. EF 6x4, 6x °45, ¢ des f” 125.x (125-175; br 5x19 3 bree per °65 x °35, rostellum *1™™, Pusilla tenuis viridis arcte repens intricata. Caules 4-3 pollicis longi, inordinatim decompositi, ramis brevibus. Folia subimbricata contiguave, basi lat&é longitudinali subdecurrente inserta, oblique ovata abrupte acuta apiculatave—raro obtusa rotun- datave—integerrima vel celluloso-subecrenulata, elobulata; cellule mediocres parum elongatz convexule pellucidissime. Foliola foliis 4-plo breviora distantia subrotunda, ad vel infra medium bifida, segmentis ovato-lanceolatis acutis. Flores monoici: Qcrebri, in ramo brevissimo terminales, innovatione iteratim prolifera vel simplice suffulti. Bracteze foliis breviores sub- erectze anguste lanceolatze acute, basi parvi-lobulatz (vel altera non); bracteola lanceolata breviter (ad 2) bifida, segmentis acutis, tenuis- sima. Perianthia foliis sublongiora clavato-oblonga vel pyriformia longirostria subcompressa 5-carinata, carinis apice rotundis vix prominulis obscure subpapulosis, demum 4-fida, lobis cuspidatis, Amenta ¢ lateralia folio collaterali saspius longe breviora; bractez 1-3- (raro usque ad 5-) jugz. TAXI-LEJEUNEA. 221 Obs.—The @ branches are rarely uniflorous—very mostly they are repeatedly floriferous, one or two pairs only of leaves intervening between two consecutive flowers. This character, and the usually acute leaves, have induced me to place the species in Tasi-Lejewnea rather than in Eu-Lejeunea, to which its humble stature assimilates it. 9. TAXI-LEJEUNEA OBTUSANGULA, Spruce. Hab. Ad fluvium Guamd, prope Para, in palmarum truncis. F -8x°7, lob 15, ¢ ay3 f'* 45°55; br “75; br* 6 x'5, “6x °45 per 1-1 x 45, 1:0 x “45™™, Prostrata, matteolas latas sistens, pallide viridis, ad ramos rufescens. Caules 1-2-pollicares parce vage ramosi. Folia inferiora subdissita, superiora ad 4 lat. imbricata majoraque, patentia plano-decurvula, forpitadinal ice inserta, preelate semicor- dato-ovata, subabrupte acuta, integerrima vel rarius apice angulata subdenticulatave, basi antica caulem late transéuntia, postica recte complicata; lobulus folio 5-plo minor semiovatus inflatus apice incurvus; cellule mediocres plane pellucide, marginales convexule. Foliola imbricata dimidium folium superantia (inferiora minora dissita), cordato-orbiculata-subovatave, paulo latiora quam longa, ultra 4 obtuse bifida, sinu fundo lato lunulari, segmentis acutis ineequi- longis. Flores monoici: @ rari, in ramo brevi terminales, innovatione simplice —raro iterum florifera—suffulti. Bracteee foliis minores, erecte lanceolate acutze crispulee, obtuse denticulatee integerrimeeve, a basi ad 4 alt. lobulo lineari auctie; bracteola obovata ad 3 acute bifida, segmentis acutis, Perianthia emersa, foliis caulinis longiora, clavato-oblonga, supra medium constricta, apice dilatato rotundata, inferne teretia apicem versus 5-gona, angulis vix carinatis, demum apice fissa totaque fere longi- tudine teretia. Andreecia brevia tenuia; bracteze paucijuge. Quoad ramum ? plerumque uniflorum inter Hu-Lejeuneam et Taxi- Lejeuneam exacte media est. Tasxi-L. asthenica, specie aftinis, foliis obsolete lobulatis; foliolis minoribus haud cordatis, sinu apicis acuto; ramis 9 multifloris, etc., distincta est. 10. Taxt-LEJEUNEA FLORIDA, Spruce. Hab. In valle Leito Andium Quitensium, ad arbores, alt. 2500™, BS xh eg if 85°45 Or Db Sy per 8x 38a Tenella ceespitosa saturate viridis valde floribunda. Caules subsemi- pollicares procumbentes implexi, pinnati vel subbipinnati, ramis superioribus confertis, inferioribus sparsis. Folia parum imbricata, ad angulum 50°-60° patentia, subplana, oblique late ovata subabrupte acuminulata acuta, basi antica dilatata caulem paulo transeuntia, postica decurrente lobulo 0 vel obsoletissimo; cellulee mediocres leptodermes pellucide. Foliola foliis duplo minora ovato-orbiculata ad medium fere bifida, sinu triangulari subobtuso, segmentis acutis, basi rotundata vel obscure cordata. 222 TAXI-LEJEUNEA. Flores monoici; 9 ad ramulos microphyllos seriatim secundi, pauci (1-3) ad quemque ramulum. Bracteze foliis dimidio breviores erectz oblongee vel semiobovate apiculate obtuszeve, lobulo nullo vel minutissimo; bracteola obovata emarginato-bifida. Perianthia subemersa obconica clavatave minute rostellata, alte 5- carinata, carinis papulosis; primum ab ipsa basi carinata, demum turgescentia fere teretia, solum apicem versus 5-carinata, carinis apice rotundatis nec prominulis. Amenta ¢ lateralia, folio caulino collaterali breviora, oblongo-rotunda, bracteis 3-jugis majusculis, vel longiora, bracteis 5-jugis. Foliis, bracteis bracteolisque, omnibus integerrimis, a plerisque Tazt- Lejeuneis differt. 11. TAxi-LEJEUNEA ASTHENICA, Spruce. Hab. 8S. Carlos del Rio Negro, in “ caatingas,” ad arborum truncos ramos- que; TYarapoto, secus rivulos, supra alias hepaticas repens, alt 600™, F -8x°8, '75x°68, ¢ dy; f® 3x35, -2x°2, 15x15; br 7x3; per 1-04, °7 x ‘3mm, Pallida pellucida flaccida, repens, ex parte pendula. Caules 1-3-polli- cares tenuissimi pinnatim ramosi, ramis pro more brevibus. Folia contigua vel paulo imbricata, angulo 70° patentia, plana vel de- curvo-secunda, longitudinaliter inserta, late semicordato-ovata apice decurvo acuminulata acuta vel sepius 2-3-dentata, basi obsolete lobulata; cellule mediocres pellucide subconformes. Foliola inferiora parva distantia, foliis 5-plo minora, superiora solum 24-plo minora, cordato-orbiculata, ad medium fere bifida, sinu seg- mentisque acutis. Flores monoici: 9 in ramis ramulisque homotropo-innovandis seriatim secundi. Bracteze foliis subminores oblongo-lanceolate, apice trifidee vel subspinulose, basi lobulo minuto inflexo digitiformi auctz; bracteola oblonga ad 4 bifida paucidentata. Perianthia subemersa subcylindrica vel anguste obconico-pyriformia, medio supero 5-carinata, carinis minus altis apice rotundato-subpro- minulis, minute rostellata. Andreecia folio caulino longe breviora; bracteze minute sub 3-juge. 12. TAaxt-LEJEUNEA BoMBONASENSIS, Spruce. Hab. Ad pedem Andium Quitensium, secus fluvium Bombonasa, in cor- tice. F 9x ‘9; cay; fit 4x °4; br °8; br’* -75.x°35; per “65-75 x “Bam Late laxe repens, tenella virescens. Caules bipollicares tenues bipinnati; rami ineequilongi szepe florescentiis 2 et ¢ pinnulati. Folia contigua vel subdissita, fere longitudinaliter inserta subplana, late suboblique semicordato-ovata, subacuta obtusave, alia leviter acumi- nata, basi postica lenissime incurva vel omnino eplicata; cellule mediocres eequilaterze subpellucidz. Foliola distantia, foliis plus duplo minora, orbiculata ultra medium bifida, segmentis subacutis. Flores monoici: 9 ad ramos ramulosque abbreviatos terminales, basi innovationem plus minus iteratim floriferam proferentes (unde TAXI-LEJEUNEA. 223 laterales et seriatim secundi viderentur). Bracteze foliis subbreviores lanceolate obsolete denticulate angulateve, antice brevi spatio seepe connate, lobulo minuto quadrato; bracteola obovato-lanceolata vel subrhomboidea ad medium bifida, segmentis acutis. Perianthia vix emersa clavato-pyriformia retusula obscure rostellata, in- ferne teretia supra medium 5-carinata, levia, post capsulam emersam basi seepe elongata quasi-stipitata. Andrcecia ad ramos sparsa brevia spiceeformia recta; bractese 3-6-juge. Anne inter Taxi-L. implexe varietates enumeranda? Differt autem foliis majoribus latioribus; foliolis praecipueque bracteolis magis profunde fissis. 13. TAxI-LEJEUNEA IMPLEXA, Spruce. Hab. In arborum cortice ad fluvii Negro cataractas, necnon secus fl. Huallaga juxta Yurimaguas et Tarapoto. F 8x °7, 625 x ‘6, ¢ ss; f'* “3x ‘35, “2x 2; br. 7; per “75 x 35mm, Pallide viridis tenera prostrata. Caules 1-2-pollicares subpinnatim decompositi implexi. Folia subimbricata plana, oblique vel fere longitudinaliter inserta, late semicordato-ovata abrupte acuta vel subacuminulata—raro rotun- data—integerrima vel apice angulari-denticulata, basi decurrente angustissime inflexa, lobulo minuto inffato vel subnullo; cellule parvule subconformes zequilaterz pellucide. Foliola sub 3-plo breviora orbiculata (suboblata) ad 4 acute bifida, seg- mentis acutis. Flores monoici: 2 ad ramulos microphyllos seriatim secundi (revera in innovationibus perbrevibus successivis terminales). Bractez foliis subequilonge lanceolate subacuminate subdenticulate, anguste lobulatz vel non; bracteola libera oblonga vel cuneato-lanceolata ad 4 anguste bifida, segmentis subacuminatis, utrinque uni-pauci- denticulata. Perianthia subemersa clavato-oblonga brevirostria vix compressula, superne altiuscule 5-carinata, carinis apice rotundo-prominulis sub- leevibus. Amenta ¢ lateralia, folio collaterali plus minus breviora—rarissime in ramo terminalia—tenuia deflexa; bracteze 5-8-jugee parve. Var.? callistachya S. Folia seepe latiora densiora. Foliola paulo ultra 2 fissa. Flores 9 sepius in ramis normalibus, iteratim proliferis—rarius in ramulis parvifoliis—positi. Bracteze undulatz parce grosse serrate. Perianthia fere a basi carinata, carinis superne insigniter compressis ale- formibus interdum papulosis. Andreecia nonnulla valde longispica, bracteis ad 20-jugis.—Ad fl. Negro cataractas cum typo. Var.? retiflora S. Major albescens. Folia apice rotundata, superiora interdum solum obtusa—nunquam acuta. Perianthia obconica altiuscule 5-carinata pellucido-reticulata. Bracteze integerrime vel grosse subdenti- culate.—Ad Yurimaguas juxta fl. Huallaga. 14, Tax1-LEJEUNEA TAPAJOSENSIS, Spruce. Hab. Ad fluminum Amazonum et Tapajos confluentiam, in ramorum cortice. F “75 x °65, lob ‘1, ¢ Jy; f* *4x°35; br. 5; br -4x 25mm, Albescens tenuis arcte repens. Caules 2-pollicares subpinnatim ramosi, ramis brevibus, subparalleli. 224 TAXI-LEJEUNEA. Folia paulo imbricata late semicordato-ovato-oblonga, rotundata integer- rima, raro subangulata, margine toto cellulis parvis quadratis limbata, basi brevissime inflexa, plica folio 7-plo breviore rhomboidea acuta plana vel subinvoluta; cellule ;4™™ pellucide, inferiores sub- majores. Foliola foliis duplo breviora orbiculata vel late elliptica, profunde (fere ad #) bifida, sinu segmentisque subacutis, cellulis iis folioram duplo minoribus. ; Flores dioici: ? ad ramos monotropo-innoyandos (raro parvifolios) seriati, pauci (sub 2); bracteze (juniores), foliis longe minores ovales obtuse profunde bifida, lobulo linguzeformi acuto; bracteola minor oblonga ad + acute bifida, apicibus acutis. Perianthia deerant. Foliolis fere bipartitis distincta. Forsan Hygro-Lejewnea erit. 15. TAxI-LEJEUNEA PARAENSIS, Spruce. Hab. Caripi prope Pard, in arboris vetustz cortice. r “1a XG, "BD x “do slop lhe se 3. f™ 3x oo Elatiuscula, prostrata pallide viridis; caules 1-14-pollicares intricati paulo subpinnatimque ramosi. Folia flaccidula subdecurva subimbricata, oblique semicordato-ovata, apice vix obliquo sensim brevi-acuta, basi subrecte complicata, lobulus folio fere 8-plo brevior, foliorum caulinorum ad pliculam angustam re- dactus, ramorum subinflatus; cellule 3:™™, subpellucide, annulo angusto opaco cinctz, parietibus incrassatis, convexo-prominule (unde folia margine celluloso-erosula). Foliola foliis 24-plo minora, orbiculata, paulo latiora quam longa, ad medium bifida, segmentis subacutis. Fl. dioici, Andreecia (rudimentaria) cauligena, minutula, bracteis pauci- jugis. Suscenus XX VI.—WACRO-LEJEUNEA, 8. Subgenus, Taxt-Lejeuneis Codonocoleis e perianthiis parvis inflatis ecarin- atis, apice solo corrugatis, affine, differt ramulis 9 simplicissimis unifloris et florescentia dioica.—Caules interdum inordinate elongati, flaccidi simplices pinnative, szepe florescentiis pinnulati. Folia pler- umque convolutiva acuminataque, raro obtusa. Foliola persepe maxima cordata. Cellulz mediocres parvulzve vix Incrassate. Hab. et Distr. Ad arborum truncos, ramulos foliaque, etiam ad saxa, in montibus tropicis sylvaticis, ad alt. 3500™ usque. Species 4 hucusque cognite sunt, sc. L. pallescens Mitt. et L. apiculata Spruce, ex Andibus Quitensibus et Peruvianis; L. lineata L. et G. ex Antillis (etiam ex ins. Borboniz ?); et L. promanula Gotts. ex Andibus Columbie. 1. Macro-L. pallescens. Preelonga pallida. F. dissita erecto-patentia con- volutiva semicordato-ovata acuminulata integerrima, raro apice sub- denticulata, lobulo triplo breviore inflato v. obsoleto. Foliola foliis fere zquimagna, breviora, late cordato-ovata ad 4 bifida, segmentis erectis acuminulatis. Br. foliis plus duplo minores subequilobe serrate; bracteola cuneato-lanceolata vix ad 4 bifida. Macro-LrJEUNEA. 225 2. Macro-L.subsimplex. Sordide viridis flavidave. F. subimbricata diver- gentia subplana semicordato-ovata ex rotundo apiculata celluloso- crenulata, lobulo 6-plo breviore inflato. Foliola aquimagna cordato- reniformia ultra + bifida, segmentis acuminatis. Br. foliis sub- breviores subeequilobe integerrime ; bracteola obovata vix ad 4 bifida. [Macro-L. lineata. Sordide flavida. F. subimbricata divergentia falcata cordato-lingulata obtusa, lobulo parvulo valde ventricoso fere glo- boso. Foliola plus duplo breviora ovato-rotunda ad 4 bifida, seg- mentis acutis. Br. foliis longiores valde falcatae anguste lobulatee ; bracteola solum emarginata. Per. cylindrica subcompressa ecarinata apice quadrangula.—Jns. Antillis. ] 1. Macro-LEJEUNEA PALLESCENS, Mitt. ! In Hook. Journ. Bot. (1851), p. 360. Hab. Andes Quitenses in montibus Guayrapata, Tunguraqua, ete., in m. Azuay fertilis, ex arborum ramis pendula.—In herb. Hook. adest, prope Quito a JAMESON lecta. F 16x°‘7, 10x°6; ¢ psy; f* 10x'9, 6x6; br 5-6 longe; per Cx a Pallide viridis flavidave flaccidissima substratificata; caules 4—9-poll. longi tenues subsimplices, raro subpinnatim ramosi, ramis dissitis ineequilongis, aliis brevissimis floriferis, Q vel ¢. Folia dissita v. vix imbricata, tenuia, erecto-patula, convolutiva, basi longe decurrentia oblique semicordato-ovata, subabrupte acuminulata acuta integerrima v. apice angulata raro subdenticulata, basin versus sinuato- complicata; lobulus lobo 3-plo brevior, v. minutus, raro obsoletus, ovato-rhombeus inflatus, apice acuto inflexo raro explanato; cellule mediocres parvuleve, leptodermes eequilaterz pellucidee, fere planis- simee, inferiores sensim majores. Foliola subimbricata foliis sat breviora seepe autem latiora cordato-ovata ad v. paulo ultra } bifida, segmentis acutis acuminulatisve parallelis v. forficatis, auriculis baseos majusculis subimbricatis v. recurvis, lateribus insigniter incurvis. Flores dioici: 2 cauligeni ramigenique minuti, f. canlino breviores, inno- vatione nulla suffulti; bracteze bijugee, exteriores minute, interiores foliis plus duplo minores, vix ad 4 usque bilobze, lobis ovali-lanceo- latis acntis serratis, inferiore subangustiore; bracteola cuneato-lan- ceolata, fere ad + bifida, segmentis subacuminatis, serrulata, hinc cum bractea basi connata. Perianthia f. caulinis subduplo breviora, obconico-pyriformia, inflata leevissima, apice rotundato-depresso obscurissime 4—5-umbonulato, ore minuto, rostello nullo. Calyptra vix brevior tenuis, apice irregu- lariter rupta. Capsula globosa. Amenta ¢ in planta propria robustiore (!) cauligena, f. caulinis sub- longiora decurva albida; bracteee 6-10-jugze parvee subconfertee valde concave bilobe, lobis subsequalibus ovatis obtusis. Bracteolee ovales apice bifidee. The ¢ flowers are terminal on very short ramuli, which never innovate, and have only one pair of minute leaves (or bracts) below the involucre proper. These ramuli are often pretty copiously TRANS. BOT. SOC. EDIN, VOL. XV. 2F 226 MaAcrko-LEJEUNEA. scattered along the stem and branches; they spread horizontally and distichously, and thus differ essentially from the multiflorous 9 branches of Taxi-Lejeunea, 2. Maoro-LEJEUNEA SUBSIMPLEX, Mont. Ann, des Sciences Nat. (1843). Hab. Andes Peruvianes, in montibus Tarapotensibus, ad saxa. F 65 x 55; lob +1; ¢ ay; f 55 x°7; br 55; br’ -5 x ‘35mm, Prostrata substratificata, sordide flavida viridisve; caules 2-3-pollicares parum ramosi, flaccidi, ramique elongati, simplices v. floribus ? pinnulati, supra 3 cellulas lati. Folia subimbricata, a basi brevi semierect4 saccat4, abrupte divergentia, subplana, late oblique semicordato-ovata, ex apice inequilatero- rotundato (margine postico convexiore) subabrupte apiculata acuta, apiculo 3~4c. longo, basi 2~3c. lato, margine toto celluloso-crenulata, antice sub apice denticulo sepe aucto; lobulus folio 6-plo brevior inflatus margine transverso inflexo, apice occulto; cellule mediocres ad angulos perpaulo incrassatee, granis chlorophylli oblongis in annu- lum angustum opacum congestis, caeterum pellucida, smum versus subelongatze. Foliola cordato-reniformia, auriculis baseos majusculis, apice vix ultra 4 bifida, segmentis contiguis acuminatis, Flores dioici: ramuli 9 simplicissimi laterales, folia caulina perpaulo excedentes, foliis infra-floralibus minutis 1- (raro 2~3-) jugis. Brac- tex propriz foliis subbreviores acute integerrime, lobis lanceolatis, postico paulo breviore duplo angustiore; bracteola obovata vix ad 4 bifida, In monte Campana inveni formam tenuiorem magis et subpinnato- ramosam, foliis angustioribus, foliolis duplo minoribus suborbiculatis; quoad flores ? ceterosque cataracteres typo supradescripto omnino con- formem. Mensura partium sequitur: E65 x °45, lob “1; ¢ 35; f'* ‘3x °3, 35 x "35™™, L. pallescenti et subsimplici plane affinis est L. lineata L. et Lg.! (in hb. Hook.—ex insula §. Christophori) quoad florescentias laterales sim- plicissimas et perianthia levia ecarinata; differt foliis falcatis obtusis, lobulo tere globoso.—In ‘ Synopsi Hep.’ L. subsimplex deseripta fuit foliis omnino elobulatis, unde eandem esse ac meam Andinam primum non recognovi ; postea autem in Exsiccatis Antillanis Cl. Husnoti eandem vidi, Gottscheo nominatam, foliis lobulatis cet. char. plante Andine perfecte conformem. SuBcenus XX VII.—OTIGONIO-LEJEUNEA, 8 Plantulz perianthiis fere teretibus, apice solo carinatis, carinisque in alam auriculamve, integram vel fissam, ultra perianthium recte productis; necnon e foliis laxe textis, seepe elobulatis ad Taai-Lejeuneas Codonocoleas accedere viderentur; valde diverse autem statura pusilla, foliis ete. post OTIGONIO- LEJEUNEA. ar Ad siccationem tardissime emollituris, foliolis parvis, interdum minutis, ramis 9 haud parvifoliis (quamvis seepe multifloris tanquam in Tavi- Lejeuneis), perianthiis pro more immersis.—KHu-Lejewneis Parvistipulis quoad vegetationis organa majorem similitudinem habent; perianthiis leevibus apice solo carinato-auriculatis, calyptre stylo protruso ad spe- ciem longirostratis (rostello vero subnullo), longius divergunt.—0O. L. 5-umbonata, pro perianthii carinis superne distinctioribus, apice autem solum in umbones prominulis, ab 0.-Lejeuneis typicis recedit; specimina tamen aquam tardissime imbibunt, ceterisque caracteribus omnino cum O.-Lejeuneis convenit. Huic peraflinis est Hu-Lejeunea Tarapotensis, nex- umque inter Hu-Lejewneas et Otigonio-Lejewneas bene preebet.—Quoad perianthium apice 3-5-cornntum-auriculatumve affinitatem aliquantulam cum Cerato-Lejeunea monstrat; auricule autem semper plane, nec con- volute (quales in O.-Lejeunea) sunt. Cerato-Lejewnea differt insuper statura majore, colore lurido, textura firmiore, presentia foliorum in utriculum magnum convolutorum, denique perianthiis. Hab. et Distr. In sylvis tropicis densis ad truncos vetustos preecipueque ad putrescentes. Extra sylvam Amazonicam—ubi 5 species rarius et sporadice occurrunt, in Andibus supra 500™ alt. haud ascendentes— nullibi quantum scio inventze. 1. 0.-L. xiphotis. Dioica? F. rotundata raro subacuta, lobulata sub- erenulata. Foliola fere 4-plo breviora ultra 4 bifida, segmentis acuminulatis. Br. foliis sabmajores subzquilobe acute crenulato- serrulatze; bracteola ovalis fere ad 4 bifida. Per, subimmersa pel- lucida ovalia, carinulis apicis in auriculas erectas lanceolatas ple- rumque integras productis. 2. 0.-L. schizotis. Monoica. F. majuscula, omnia rotundata integer- rima, pleraque elobulata. Foliola 5-7-plo minora ad 4 bifida, seg- mentis acutis. Br. foliis multo minores inzequilobe; bracteola ligulata ad } bifida. Per. emersa pyriformia, apice 4—5-carinato- auriculata, auriculis 2—3-laciniatis conniventibus. 3. 0.-L. acanthotis. Dioica, F. semicordato-ovata subactta subcrenulata lobulata. Foliola 3-plo breviora ad 4 bifida, segmentis subacuminatis. Br. foliis majores inzquilobe grosse serrulate; bracteola ovali- lanceolata subserrulata ad 4 bifida, segmentis tenui-acuminatis, Per. immersa clavyato-pyriformia carinata, apice in auriculas 3 v. 4 erectas liculatas (summo apice 3-spinuldsas) producta. 4. 0.-L. cyrtotis. Monoica. F. rotundata, ramea subacuta, elobulata Foliola plus 3-plo minora ad 3 bifida, segmentissubobtusis. Br. foliis equilonge integerrime, altera elobulata; bracteola ovalis breviter bifida. Per. immersa clavato-eylindrica, carinis apicis in cornua brevi-subulata porrectis. 5. 0.-L. 5-wmbonata. Monoica. F. abrupte acuta, inferiora rotundata, sepissime elobulata. Foliola subtriplo minora ad 4 bifida. Br. foliis longiores crenulate subserrate parvilobulatz; bracteola obovato- lanceolata bidentata. Per. immersa pyriformi-oblonga supra medium 5-carinata, carinis apice in cornua (umbonesye) brevissima obtusa porrectis. 1. Or1coNIo-LEJEUNEA XIPHOTIS, Spruce. Hab. Tauat, prope Pard, in cortice. F -38 x-30, lob ‘09, ¢ ds; f 1x 125; br. lobus 4°15; br’* -4x-25; per 2X om, 228 OTIGONIO-LEJEUNEA. Pusilla pallida repens, aliis Lejewneis intricata. Caules semipollicares vage subramosi, apice seepe longe simplices. Folia subimbricata subdecurvo-concava, basi angusta inserta, late dimi- diato-ovata, vel cuneato-obovata, rotundata—raro abrupte acuta, parum celluloso-crenulata, margine postico supra lobulum recto vel subconcayo basin versus recte vel subsinuato-complicata; lobulus folio 4-plo brevior turgide ovoideus, sinu excisulo, apice sepius occulto; cellule parvule equilaterze pellucidee. Foliola distantia, foliis 4-plo fere breviora, subrotunda, ultra medium acute bifida, sinu lato, segmentis subdivergentibus acutis acuminu- latisve. Flores dioici (?): 2 in ramo brevissimo terminales, innovatione suffulti, Bracte foliis sublongiores, perianthium obtegentes, ad 3 compli- cato-bilobee, angulatee et celluloso-crenulatee—raro etiam hic illic subdenticulate, lobis lanceolatis acutis subeequalibus vel inferiore angustiore; bracteola ovalis vel longe obovata, vix ad medium anguste bifida, segmentis acuminulatis. Perianthia subimmersa parva pellucida, ovalia ovatave, subteretia, solum apicem versus 4—5-carinata, carinis apice in auriculas lanceolatas linea- resve, integras vel 2-3-fidas erecto-conniventes protractis; infra auriculas constricta, apice pertusa erostria. Calyptra pyriformis capsule equilonga, stylum e perianthii orificio ultra auriculas exser- tum apice gerens. 2. OTIGONI0-LEJEUNEA SCHIZOTIS, Spruce. Hab. In fl. Negro et Uaupés ripis, ad truncos inundatos etiam ad pro- stratos putrescentes. F7x°5, 6. sesh; f* 1x °07, 15x "'1; br °5; br’* 4x 13; per “65 x 35; br ¢ 1-15™™. Pusilla viridis in stratum tenue effusa. Caules 4—3-pollicares, repentes, sat ramosi vel etiam decompositi, ramis paucifoliis. Folia contigua vel parum imbricata, assurgentia plana longitudinaliter inserta, oblique oblonga, vel (basi subdilatata) ovato-oblonga rotun- data elobulata, alia subfalcata; cellule mediocres, centro pellucidee ambitu opacz, inferiores sensim majores. Foliola distantia, cauli appressa eodemque vix latiora, foliis 5—7-plo minora, ovata, ad 4 bifida, segmentis lanceolatis acutis. Flores monoici: @ in ramo szepe iteratim innovando-prolifero terminales. Bractee f. caulinis multo minores, ab apice ad 4 solum bifida, dein complicate ; lobo ligulato-oblongo rotundato-truncato, lobulo lineari- rhomboideo apice libero triangulari-lanceolato acuto; bracteola ligu- lata breviter (ad 3-4 alt.) acute bifida, segmentis acutis, Perianthia f, caulinis subzequilonga, pyriformia teretia, solum apicem versus 5-carinata, carinis 4 (vel omnibus) apice cristato-auriculatis, cornutisve, cristé in lacinias 2 vel 3 subulatas conniventes fissa, rarius subulé unic& constante, vertice convexo perforata (orificio minuto vix tubulari), stylo fructus maturati prelongo alte protruso ad speciem rostellata. Amenta ¢ crebra ramulo tenui constantia, plerumque folio collaterali longiora: bracteze 5-7-juge minute (foliis 5-plo brevieres), com- presso-galeformes, apice acuuinato-subrostrato seepius integra. OTIGONIO-LEJEUNEA. 229 3. OrIGONIO-LEJEUNEA ACANTHOTIS, Spruce. Hab. San Carlos del Rio Negro, in cortice. F -55 x ‘5, 55 x °5 ; lob 125, ¢ ay; f' *2x ‘25, 18x +18; br. lobus ‘8 x ‘35; Breton A per) 2am, Pusilla prostrata pallide viridis. Caules 4-pollicares bipinnatim sub- ramosi intricati. Folia subimbricata subplana horizontaliter patula, obscure falcata, semi- cordato-ovata abrupte subacuta, margine plus minus celluloso- erosula apiceque sepe angulata denticulatave, basi sinuato-compli- cata; lobulus 5-plo fere brevior late semiovatus inflatus, margine incurvo ; cellule parvule pellucidissime, pariete trigonis parvis subincrassato, inferiores longiores latioresque vix autem in ocellum ageregatee. Foliola distantia, foliis triplo minora, orbiculata, ad medium bifida, segmnentis subacuminatis, acutis. Flores dioici: 2 terminales, innovatione simplice proliferave suffulti. Bractez foliis majores complicato-bipartita, lobis lanceolatis acutis grosse serrulatis, inferiore paulo (vel duplo) minore; bracteola ovali- lanceolata, ad 4 bifida, segmentis tenui-acuminatis, serrulata vel subintegerrima. Perianthia bracteis immersa, clavato-pyriformia teretia (ecarinata), apice in auriculas 3 vel 4 erectas ligulatas (apice divaricato-3-spinulosas) protracta. Calyptra perianthium replens, pyriformis, stylo protruso coronata. Otigonio-L. xiphotis differt foliis dimidio minoribus concavis integer- rimis basi angustis (nec semicordatis); foliolis minoribus magis profunde bifidis; bracteis duplo minoribus integerrimis; perianthiis ovalibus apice carinatis, carinis in auriculas lanceolatas pro more integras protractis. 4, OTIGONIO-LEJEUNEA CYRTOTIS, Spruce. Hab. Ad fl. Cauapuna, fluvio Negro tributarium, in truncis prostratis. F 75x65, “75x °5; lob 0; cm. Aye 3 f' 2x15; br “75 x°35; br'@ OxX°25; per. 6X ‘35, °9 x °35™™, Otigonio-L. xiphotis perafiinis, differt caracteribus sequentibus. Pallidior, tenerrima minus ramosa. Folia ovato-oblonga rotundata, ramea superiora seepe obtusa subacutave; cellule submajores (medi majuscul, margines versus mediocres) leptodermes ambitu anguste opacee. Foliola submajora ovali-rotunda orbiculatave ad 4 bifida, segmentis acutis obtusisve. Fl. 2 in ramo brevissimo terminales, innovatione parva stmplice foliosa, v. persepe g, sutfulti; bractes longiores, ligulato-lanceolats plerumque acute, altera elobulata, altera lobulo perangusto lineari a basi ad medium aucta; bracteola longe brevior ovalis apice breviter bifida. Perianthia immersa (demum, basi elongata, subemersa) clavato-cylindrica compressula truncata brevi-rostellata, subteretia, solum apice ipso 4~5-carinata, carinis in cornua brevi-subulata porrectis, fructu egresso aperta, obconica, ore 10-dentata. Amenta ¢ f. caulino breviora tenuia, seepe in ramulo dimidio inferiore nudo terminalia; bracteze 4—5-jugee parvee subconfertee.—In ramulis raro adveniunt folia lobulo brevi aucta. 230 OTIGONIO-LEJEUNEA. 5, OTIGONIO-LEJEUNEA 5-UMBONATA, Spruce. Hab. In sylva Amazonica, variis locis, praecipue secus fl. Negro, necnon in Andium radicibus ad Tarapoto; nusquam frequens, semper in cortice vetusto vigens. F 6x °4,°5 x35, lob 1-2, ¢ 3s; fit (125-2; br 8x “3, 9 x35, “7K 3; br 6°35; per “75 X ‘3, 65 X ‘25am, Pusilla viridis albicansve prostrata, matrici arcte adherens, tenuis, tener- rima, post siccationem haud facile emollitura. Caules 3—}-pollicares vage ramosi, interdum decompositi, ramis paucifoliis. Folia basi sola imbricatula, subplana, oblique (vel subsemi-) ovato- oblonga, abrupte acuta obtusave, inferiora sepe rotundata, margine pulchre celluloso-crenulata vel (rarius)-serrulata, pleruamque elobu- lata, lobulo presente tamen ovato folio 3-5-plo breviore ; cellule mediocres valde diaphanz fere vacuze, pariete tenuissimo, inferiores sensim majores, marginales obtuse—rarius acute — prominule, ceeterze subplanz. Foliola distantia, foliis 4-plo minora, fragilissima, rotunda, ad 4 bifida, segmentis acutis subobtusisve. - Flores monoici: 2 terminales, innovatione florifera, ¢ vel 9—raro neutra—interdum iterum innovata—suffulti. Bracteze foliis dimidio longiores suberectz, ligulato-oblongee-lanceolateve acute obtuszeve celluloso-crenulatee insuperque (sed rarius) grosse subserrate, basi anguste complicate (vel non), lobulo minuto lineari, seepe nullo; bracteola oblonga vel ovali-cuneata integra, retusula, vel breviter bidentata (in fl. sterili ad medium fere fissa). Perianthia immersa, clavato-obconica vel anguste pyriformia, ex apice depresso insigniter conico-rostellata, subcompressa, inferne ecarinata, supra medium 5-carinata, carinis apice umbonato-prominulis— cornua rudimentaria obtusa, raro subacuta, fingentibus, cellulis extantibus dissitis pellucidis papillosis; demum, fructu egresso, obeconico-campanulata, ore hiantia. Capsula globosa, in pedicello geniculato exserta. Amenta ¢ rami apicem, rarius totum tenentia, flori 9 adjecta dissitave ; bracteze 3—4-jugee—raro usque ad 10-jugee—majuscule. Otigonio-Lejeunea 5-wmbonata inter hoc subgenus et EHu-Lejeuneam medium locum tenet, melius forsan ad posterius referenda.—Hu-Lejeunea Tarapotensis, perianthiis ad carinas apice prominulas papillosis, nostra affinis est; differt foliis majoribus omnibus rotundatis integerrimis ; foliolis pro ratione minoribus; bracteis foliis sat brevioribus (nec multo longioribus); demum perianthiis ab ipsa basi (nec apice solo) carinatis. Suscenus XX VIII.—HYGRO-LEJEUNEA, 8. Plante elatze speciosee tenerrime laxe texte valde hygrophore, recentes pallid, in sicco sepe fuscescentes. Caules erecti, vel ex parte re- pentes ex parte penduli, seepe dense stratificati, varie ramosi, ramis 2 sepissimo dichotomis, plantee 9 tamen steriliumque laxe pinnatim ramosi, ramis interdum microphyllis. Folia magna, ‘6-1°5™ longa, ‘45-1-1™™ lata, subimbricata, semicordata, plus minus acuta, raro obtusa rotundatave, lobo a sacculi basalis Hycro-LEJEUNEA. ye apice szepe angulo recto divergente, lobulo inflato interdum parvo nunquam obsoleto, integerrima v. seepius celluloso-crenulata; cellule mediocres (;5—-3,%™"), leptodermes vy. ad angulos paulo incrassatie, plane v. seepius convex (unde folia facie papulosa, margine crenu- lata, evadunt.) Foliola in plurimis maxima, foliis equimagna v, etiam majora—in paucis subminora—latiora quam longa, plus minus reniformia; basi seepius cordata; apice in paucis speciebus perfecte integra, in pluribus bre- vissime bidentula, in paucis aliis ad }—4 (in nulla ad 4) usque bifida; omnium sp. concava (lateribus incurvis), apice solo interdum re- flexula, integerrima v. crenulata. Flores constanter dioici, foeminei innovatione unilaterali, vel sepius duabus oppositis, haud raro proliferis, suffulti. Bracteze complicato- lobulate acutze acuminateeve integerrime v, crenulate v. raro spinu- lose; bracteola seepius obovata emarginata bifidulave, solum in L. reflexistipula integra. Perianthia (in paucis observata) longe pyriformia subcompressa 5-carinata, carinis sublvissimis, apice rotundato prominulis—in L. pentotantha insigniter auritis. Amenta ¢ parva, seepe in ramulis terminalia; bracteve 5-jugee antheridia bina magna foventes. Ab Euosmo-Lejeuneis differunt Hygro-Lejeunce (ceterum, habitu, foliolis magnis, etc. sat affines) odoris absentia, textura laxa; ramis 9 perseepe dichotomis; foliis pro more majoribus tenerioribus acutis, cellulis pro m, leptodermibus ; foliolis interduin integris; bracteis 2 subspinulosis; perianthiis magis compressis, minus alte carinatis. Hab. semper arborea, plerumque ad ramulos, rarissime ad folia viva, nunquam ad truncos putrescentes, in sylvis «quatorialibus tam planis quam montium editiorum. Distr. In America 13 species legi, omnes fere in jugis Andium sylvaticis ad alt. 3500™ usque, quarum 2, L. reflexistipula L. et L. et L. devoluta n. sp., interdum in planitiem descendunt; 2 ali, sc. L. matteola n. sp. et L. intexta n. sp. planitiei propriz videbantur. Alize plures Lejewnee ab auctoribus descriptee huc referend videntur, tales sunt L. Lozensis G., L. Huanucensis G., L. Dominicensis Mont., L. cordistipula L. et G., L. cordifissa Tayl., L. flavicans G., L. Sullivantwi G., L. hygrophila G., L. Choachina G., etc. etc., omnes neotropice; paleotropice autem sunt L. Lindenberg G. et Montagnei G., e descriptionibus ad idem subgenus referende. A. Foliola integra. a. Fl. 9 sepissime dichotomiales. 1. H.-L. catinulifera. Pusilla. F. rotundata integerrima, lobulo bis im- plicato $ folium fere equante. Foliola fere duplo breviora, sub- cordato-reniformia rotundata cochleata. Br. cum bracteola connate. Perianthia obtuse carinata, innovationibus duabus suffulta. 2. H.-L. patellifera. A pr. differt minutie, caule sparso; foliis obtusatis papulosis, lobulo semel implicato ad plicam turgidissimo ; foliolis orbiculatis planis; bracteis duplo minoribus liberis; perianthiis alte carinatis, innovatione unilaterali. 3. H.-L. Spongia. Elata tenerrima. F. obtusa v. subacuta, papulosa crenulata, lobulo 5-plo breviore. Foliola foliis equimagna prelate reniformia retusa planiuscula, Br, liberae. 239 HyGro-LEJEUNEA. b. Fl. 2 in ramo innovando seriatim secundi. 4. H.-L. reflexistipula. F.lobulo minuto. Foliola foliis equalia majorave prelate reniformia apice recurva. B. Foliola apice brevissime bidentula. 5, H.-L. Pastasensis. F. late semiovata falcata oblique acuta apiculatave, raro apice denticulata; lobulus 3-plo brevior subplanus. — Foliola foliis breviora, fere zequilata, cordatio-orbiculata, ad 4 fissa, dentibus apiculatis. _Innovationes unilaterales. Br. f. breviores serrulate, lobis lanceolatis acuminatis; bracteola obovato-lanceolata ad }¢ fissa, segmentis acutis. + [ H.-L. cerina L. et L. F. semicordato-ovata acuminulata angulato- repanda celluloso-crenulata, lobulo parvo turgido. Foliola foliis imo majora, reniformi-rotunda subcordata rima apicali 5-7c. alta vix ad + bifida— Brasilia, Mexico.] 6. H.-L. devoluta. FF. late semicordato-ovata apice devoluto obtusata, raro subacuta, subcrenulata, lobulo vix triplo breviore subplano. Foliola fere duplo breviora cordato-reniformia, rima apicis 2—4e. alta, margine toto recurvula. Innov. plerumque opposite. Br. denticu- latze, lobis ovato-lanceolatis acutis; bracteola obovato-ovalis ad 4 fissa. Per. subimmersa oblongo-pyriformia compressula, carinis 5 apice latioribus umbonato-prominulis. 7. H.-L. fulva. F. fragilia supra lobulum 5-plo breviorem saccatum divergentia, semicordato-ovata obtusata subcrenulata. Foliola vix minora orbiculato-reniformia basi profunde cordata, apice ad ¢ fissa, crenulata. ) C. Foliola apice ad 4-4 alt. bifida. 8. H.-L. pentotantha. ¥.supra basin saccatam patula cordato-ovata, apice valde decurvo tenui-acuminulata, crenulata, lobulo 3-plo minore. Foliola vix minora, profunde cordato-orbiculata, ad 4 bifida, seg- mentis apiculatis. Br. foliis longiores ovales subacuminate laciniate; bracteola suborbiculata crispata, ad 4 bifida, sublaciniata. Per. emersa obconica supra medium obtuse 5-gona, angulis apice in auri- culas maximas dilatatis. 9. H.-L. prionoides. Pallidatenerrima. F. divergentia semicordato-ovato- lanceolata acutata sinuato-complicata, lobulo 5—7-plo breviore saccato. Foliola foliis superficie majora, preelate cordato-orbiculata, ad + bifida, seementis obtusis. Fl. 2 dichotomiales. Br. foliis subeo nformes; bracteola foliolis similis, ad $ autem bifida. 10. H.-L. heterocheila. F. subdivergentia semicordato-ovato-oblonga acuminato-bispinosa, lobulo minuto. Foliola foliis paulo minora cordato-subreniformia ultra 4 bifida, segmentis apiculatis. ll. H.-L. rotundifolia. F. supra basin saccatam suberectam divergentia, late semicordato-oblonga rotundata subcrenulata, lobulo 3-plo bre- viore. Foliola foliis equimagna cordato-reniformia ad 4 bifida, segmentis apiculatis. FI. 2 dichotomiales. Br. acute angulate; bracteola obovato-rotunda emarginata, segmentis contiguis acutis. Per, emersa clavato-oblonga valde compressa 5-carinata. 12. H.-L. impleza. F. semicordato-orbiculata erosula, lobulo 6-plo bre- viore vix inflato. Foliola vix minora cordato-orbiculata, ad vel ultra i bifida, seomentis divergentibus acuminulatis. Innovationes fl. unilaterales. Br. obtusatee; bracteola suborbiculata fere ad 4 bifida, segmentis suberectis obtusis. Hycro-Lr&JEUNEA. 233 13. H.-L. Matteola. F. divergentia rhomboideo-oblonga rotundata, lobulo preminuto. Foliola fere zequimagna cordato-reniformia vix ad $ bifida, segmentis contiguis apiculatis. Innovationes fl. Q uni- laterales. Br. acute; bracteola obovata fere ad 4 bifida segmentis contiguis acuminatis. 1. Hy@ro-LEJEUNEA CATINULIFERA, Spruce. Hab. Andes Quitenses in nemoribus subalpinis, alt. 3000-3500 m., supra pagum Quisapincha, ad filices et folia emortua; in montibus Altar et Mulmiél, in truncis vetustis. F -9x "65; lob 4°15; cm. Jo-as; fl 55x °75, 5 x65; br. lob 1°3x 6, 10x °5; br’ 1:0 x ‘4-5; per 1°6 x °65, 1:4 x ‘65mm, Pusilla, pallide sordide flavida rufave tenera ceespitosa. Caules 1-14- pollicares pinnatim v. subfastigiatim ramosi, ramis breviusculis assurgentibus erectisve, aliis paucis elongatis microphyliis. Folia densiuscule imbricata, basi angusta inserta, patentia v. erecto- patentia, decurvo-concava, semicordato-ovata rotundata, fere dimi- diata, medium versus sinuato-complicata, lobulus plus duplo brevior inflatus ovalis obtusus acutusve, subsaccatus, bis introflexus tamen, unde anguste fusiformis videretur; cellule medi mediocres equali- ter hexagonz subleptodermes pellucidee, marginales minores subqua- crate. Foliola subcontigua $ folium superantia subcordato-reniformia-orbicula- tave, concava, margine toto incurvo, apice rotundato v, leniter re- tuso. Flores dioici: ? crebriusculi sed plerumque steriles, terminales, innova- tione unilaterali v. sepissime binis oppositis suffulti. Bractez erect foliis longiores ad 4 bilobee, lobo subovali obtusato, lobulo longe minore ligulato subtruncato; bracteola utrinque connata ovalis obtusa v. obtuse apiculata v. denique leniter emarginato-bifida.— Foliolum supremum infraflorale ceeteris multo majus, orbiculatum subemarginatum. Perianthia alte emersa pellucida, clavato-pyriformia plus duplo longiora quam lata, compressula, rotundato-truncata rostellata, antice 1-cari- nulata, postice obtuse 2-carinata, demum ore in lobulos 5 cuspidatos fissa, leevia. Calyptra oblongo-globosa perianthii dimidium inferiorem replens. Inter Hygro-Lejeuneas et Archi-Lejeuneas fere media; teneritate, foliolis basi cordatis et perianthii carinis levissimis magis ad priores, foliis bracte isque integerrimis ad posteriores, accedit. Neque a Brachio-L. laxifolia Tayl. longe distat; habitu necnon floribus ? normaliter dichotomialibus eadem; differt foliis rotundatis, lobulo haud crenulato, et foliolis cordatis incurvo-concavis—nec basi decurrente recurvis (qualia in B. L. laxifolia). —L. Loxensis Gotts. nostre certe aflinis, folia habet acuta, foliola rotunda subplana. The leaves are very concave, or, when seen from above, convex, so that in the dried specimens they have a bullate appearance; this, and their pale colour, the narrow twice-infolded lobule, and (above all) the cordato- orbicular stipules, suffice to distinguish the species from Archi-Lejeunca unciloba and all its allies. The microphyllous branchlets are not-male spikes, but possibly indi- cate a tendency to revert to a former monoicous condition. TRANS. BOT. SOC. EDIN. VOL. XV. 24 234 HyGro-LEJEUNEA. 2. HyGro-LEJEUNEA PATELLIFERA, Spruce. Hab. In fi. Pastasa ripis infra Bahos, supra Frullanias repens alt. 1600". F 65 x ‘5, lob 8-4; ¢ gk; f'* 25 x-'35; br 6; bre 6x °25; per 9x -4™m, Minutiuscula sparsa pallide viridis tenerrima. Caules }-pollicares fragiles vage ramosi, ramis brevibus subzequifoliis interdum arcuatis. Folia imbricata concava subfornicata, valde oblique ovata late obtusata (forma fere cordis humani), celluloso-crenulata subpapulosa, medium versus sinuato-complicata; lobulus vix duplo brevior rectangularis rhomboideusve subacutus, ad carinam rotundatam valde inflatus cornu bovinum simulans, margine autem lobo majori appressus; cel- lulz fere majusculee subconformes, subpellucide, chlorophyllo sat copioso, pariete ad angulos paulo incrassato. Foliola plus duplo breviora subdissita suborbiculata, fere plana, apice rotundata retusulave. Flores dioici; 2 in caule ramisque terminales, innovatione sepius iterum florifera suffulti. Bractez foliis caulinis subminores ad 4 bifidze laxe complicate, lobo obovato-lanceolato rotundato, lobulo longe breviore anguste triangulari obtuso subacutove; bracteola lanceolata vel sub- cuneata, angusta, apice rotundata, basi utrinque connata. Perianthia subemersa anguste obpyramidata vel subpyriformia vix com- pressa alte 5-carinata, carinis sparse celluloso-tuberculosis, ex apice retuso brevirostria demum 5-fida. H. L. catinulifera 8. certe distat statura multo elatiore, caulibus czespi- tosis validioribus; foliis majoribus vix papulosis, textura paulo densiore, lobulo bis implicato ; foliolis majoribus latioribus quam longis insigniter cochleatis; floribus 2 seepissime dichotomialibus; bracteis duplo longi- oribus; perianthiis obtuse carinatis. 3. Hycro-LEJEUNEA Sponata, Spruce. Hab. In monte Tunguragua, ad arborum ramulos, pl. 9 sterilis; pl. ¢ in eodem monte supra Letoscyphum Liebmannianum repens: alt. 2400™. F 1:05 x ‘85 (cum lobulo); lob 2 (ad plicam mensus); ¢ 35; f'* *8x 1°15, “7X11; br. lobus ant. 1:3 x °8—9; br'* 1-2 x -9™™. Elata pallida tenerrima, siccando badia fuscidulave. Caules pollicares vel longiores e caudice brevi repente undique radiantes et in molem subglobosam diametro bipollicarem congesti, parum ramosi, vel sub- dichotomi, vel seepe ramis brevibus—aliis floriferis (9 ) aliis sterili- bus parvifoliis—pinnulati. ; Folia ad 4 lat. usque imbricata patenti-divergentia, late oblique subsemi- cordato-elliptica ovato-ellipticave, apice decurvulo obtusa, rarius sub- acuta rotundatave, toto margine e cellulis prominulis crenulata, repandula, basi antica caulem excedentia, postica sinuato-complicata; lobulus parvus, folio 5-plo brevior, subovatus, convoluto-turgidus; sinu excisulus; cellule mediocres conformes zequilaterze leptodermes pellucida, utraque facie convexze. Foliola foliis equimagna sed latiora quam longa, imbricata subplana, reniformia vel potius late obtuseque emarginata, angulis rotundatis, basi vel subcordata vel undulato-truncata, nec decurrentia, margine repanda crenulataque—quasi moniliata, e cellulis marginalibus cxeteris nulto minoribus In conum obtusum promiaulis. ~ 9) eo HyGro-LeEJEUNEA. 2 Flores dioici: 2 ad ramos primarios ramulosque terminales, innovationi- bus duabus oppositis—raro una sola—suffulti, Bractez foliis longiores, ab apice ad # complicato-bilobe, lobo antico obovato-ovali subacuto, lobulo subduplo minore lingueeformi apice seepe subemar- ginato; bracteola obovata subspathulata undulata repanda, apice in- eequaliter subacute emarginata. Planta ¢ tenuior magis pinnatim ramosa, Amenta crebra, ramulo foliis caulinis plus minus longiore constantia, vel ejus apicem solum tenentia; bractese 5-8-jug, foliis plus duplo breviores, arcte equi- tantes, breviter subeequaliter bilobze, dimidiis ovato-ovalibus con- cavis, gremio antheridia bina magna foventes. ; L. Sullivantii Gottsche, Mex-Leverm. 196, in adnot., nostra valde similis, ramificationem habet irregularem, folia hyalino-viridia ovalia subacuta, lobulo imo minore (= lobi 4-1); bracteolas minores (‘75™™ longs); caeterum, quoad partium magnitudinem texturamque, foliolorum forma, etc., certe proxima. Obs. L. Spongia forms globose tufts, like sponges, pale green without, white within, and always saturated with water, on the twigs of low trees (Clethre, Veinmannie, &c.) on mount Tunguragua, at 8000 to 9000 Eng. feet. 4, Hycro-LEJEUNEA REFLEXISTIPULA, L. et L. In Lehm. Pug. V (1833); G. L. et N. Syn. Hep. 335. Hab. Ad arborum truncos et ramulos, in sylvis humilioribus precipue, prope S. Gabriel fl. Negro et Tarapoto Andium Peruvianorum (alt. 600"). Habitat etiam in Serra d’ Estrella Brasilize (BEYRICH). F ‘75 x°7,°6 x ‘5, lob 1-08, ¢ 3-3; f' 6 x 1°0, 55 x °85; br °75; br'* “7x "45; per 1:0 x ‘5™™, Elata tenerrima albida, siccando flavescens fulvave, raro fuscidula, denso strato effusa vel subpendula. Caules 2-3-pollicares intricati flaccidi pinnatim ramosi, ramis hic illic confertis, pro more brevibns mono- tropo-proliferis. Folia ad + lat. imbricata, angulo recto divergentia, late oblique semi- cordato-ovata, plana decurvulave, inferiora rotundata, superiora obtusata vel abrupte subacuta, margine crenulata, basi sinuato-com- plicata; lobulus minutus, folio 6-9-plo brevior, rhombeus decurrens inflatus, apice seepius occulto; cellule mediocres equilaterze con- vexule, pellucide, chlorophyllo sparso vel in annulum tenuem congesto, pariete ad angulos et media latera incrassato. Foliola arcte imbricata, foliis multo—interdum duplo—majora, subbre- viora sed dimidio—duplo latiora, reniformia, apice lato reflexo in- tegra, rotundata retusulave, basi ad insertionem alte excavata (7.e. longe lateque decurrentia), margine crenulata, tergo plerumque arhiza. Flores dioici: 2 in caule ramove subrecte innovando-prolifero termin- ales, igitur quasi seriati, rarius in ramo brevissimo unifloro, inno- vatione simplice subjecta, nunquam ex dichotomia. — Bractez (fl. sterilis foliis longiores, fl. fertilis breviores) erectee angulate crenula- teeque, ultra} bilob, lobis complicatis obovato-lanceolatis subacutis, postico paulo minore; bracteola obovato-cuneata retusa. Perianthia altiuscule emersa pyriformia vel subclavata compressa 5- 236 HyaGro-LrJEUNEA. carinata, carinis levibus vel angulato-scaberulis apice latiusculis, antica minus alta; post fructus emissionem varie rupta. Hygro-L. Spongia, huic affinis, differt colore in sicco nigrescente ; ramificatione plantze 9 dichotoma; foliis duplo fere majoribus ellipticis, lobulo paulo majore; foliolis pro foliorum ratione multo minoribus, apice emarginato-retusis; bracteis ineequilobis, lobulo duplo fere minore. 5. Hyaro-LEJEUNEA PASTASENSIS, Spruce. Hab. In fl. Pastasa ripis, juxta fl. Blanco ostium, alt. 1500™ in arborum Tamils, F 15x11 (lat. ad lobuli apicem mensa); lobulus *55 (ad plicam), °4 (juata caulem); ¢ #3; f'* ‘9x 1-0, rma ‘1; br 1:0 x °4™™, Pallide flavo-viridis, zetate subfulva, prostrata intricata. Caules 2-polli- cares inequaliter pinnati et subbipinnati, apice elongato simplices. Folia subimbricata supra lobulum divergentia, late semiovata, scalpelli- formia, apice decurvo subabrupte oblique acuta perseepeque minute apiculata, margine repanda integerrima vel apice paucidentata, infra medium subsinuato-(vel fere recte) complicata; lobulus 3-plo brevior semiovatus subplanus, basi brevi cauli adnatus, apice acutus; cellule mediocres, omnes fere conformes. Foliola subimbricata foliis breviora vix angustiora, cordato-orbiculata planiuscula, apice reflexo brevissime (ad 4) obtuse bifida, dentibus apiculatis forficatis, margine angulata. Flores dioici: ? (juniores) in ramis brevibus innovando-proliferis ter- minales. Bracteze complicato-bilobz, lobis lanceolatis subacuminatis serrulatis, inferiore subbreviore duplo fere angustiore; bracteola ad 4 bifida, segmentis acutis. Differt a L. rotundifolia Mitt. foliis parum (neque longe et anguste) decurrentibus, apiculato-acutis, lobulo basi breviore inserto; foliolis apice ad 2 solum (nec ad }) bifidis; cellulis minoribus; demum innovationi- bus unilateralibus nec oppositis. 6. HyGro-LEJEUNEA DEVOLUTA, Spruce. Hab. Lamas, Andium Peruvianorum, alt. 700™, et S. Gabriel fl. Negro, in fruticum ramis. F 1:15x1-0, ‘95 x ‘85; lob ‘5 x °38, 25x ‘2, ¢ gif; fle 65x °9, 5x 65; br 1:05; bri 1:0 x ‘6; per °95 x *65™™, Elatiuscula pallida, siccando fuscidula, tenerrima, in vivo semper humida. Caules bipollicares prostrati pendulive implexo-stratificati, anguste pinnati vel subbipinnati, ramis ineequilongis, aliis dichotomis. Folia tenuia imbricata divergentia late semicordato-ovata apice decurvo- involuto obtusata rotundatave—raro abrupte subacuta, celluloso- subcrenulata, sinuato-complicata; lobulus 2-4-plo brevior subplanus (plica tamen subconvexa) late ovatus rotundato-truncatus; cellule parvule subconformes, sat crassze, pariete tenui, chlorophyllo par- cissimo, subplane, marginales autem convexule. Foliola imbricata, foliis duplo fere breviora, paulo angustiora, cordato- reniformia, apice brevissime emarginata—rima solum 2-4 cellu- las alta—dentibus acutis conniventibus, subplana, celluloso-sub- Hycro-L&JEUNEA. 237 crenulata, margine toto (apicis pracipue) recurvulo, basi externa fasciam radicellarum linearem proferentia. Flores dioici; @ in ramis primariis, necnon in ipso caule, terminales, plerumque ex innovationum dichotomia, raro innovatione unica (simplice proliferave) suffulti. Bracteze foliis subminores profunde bilobee complicate, lobis subineequalibus, vel fere cqualibus, oblique obovato-lanceolatis acutis angulato-denticulatis—raro spinu- losis, lobulo apice haud raro bidentato; bracteola obovato-ovalis ad 1 bifida, seementis acutis conniventibus, distanter angulato-denticu- lata spinulosave. Perianthia subimmersa oblongo-pyriformia vix rostellata 5-carinata, carinis apice latiore rotundo-prominulis levissimis. Calyptra pyri- formis, perianthio duplo fere brevior, stylo ultra perianthium alte emerso. Lejeunea cerina Let L.* (Syn. Hep. 391) folia habet minora, acute tenul-acuminulata, lobulo turgido; foliola, pro foliorum ratione, majora, lateribus valide incurvis, rima apicali 5-7 cell. alta.—L. reflexistipula L. et L. differt foliis longe minoribus subplanis; foliolis contra pro ratione multo majoribus, apice perfecte integris, basi haud cordatis ; bracteis minus dentatis; bracteola apice integra, nec bifida; perianthiis alte emergentibus. 7. HyGro-LEJEUNEA FULVA, Spruce. Hab. Banos, ad pedem montis Tunguragua, in arborum radicibus, Ff 8x6 (sine lobulo); lobul 15-2; ¢ #y; f™ ‘6x "75™™, Procumbens, dense stratificata, fulva. Caules 2-3°™ longi, paralleli, flaccidi, parum ramosi, sepe ramulis parvifoliis deciduissimis pin- nulati. Folia contigua v. parum imbricata, fragilia, a basi brevi erecta, cum lobulo in sacculum parvum semiparaboloideum coalita, subdiver- gentia, semicordato-ovata-oblongave, apice decurvo obtusata, margine parum celluloso-crenulata; lobulus 5-plo brevior, margine trans- * Lejeunea cerina L, et L.! Pug. V. (1833) p. 16; Lejewnea longiuscula Tayl.! in hb. Hook. et in Lond. Journ. Bot. (1846) p. 394.—Hab. in Brasilia et Mexico. Majuscula pallida tenera; caules breves parum vageque ramosi. Folia imbricata late patentia decurvula, semicordato-ovata acuminulata, apice brevi tenui acuto, margine toto celluloso-crenulata angulataque, basi sinuato-compli- cata, lobulo 4~5-plo breviore turgido acuto ; cellule mediocres pellucide pariete incrassato. Foliola foliis imo submajora reniformi-rotunda, basi subcordata et alte incurrenti-excavata, lateribus valide incurvis, apice rim4 5-7-cellulas alta vix at 4 longitudinis fissa.—F *8 x 55, lob ‘2-15, ¢ 35; f' “65x ‘8mm, Plantam Taylorianam autotypam, in monte Corcovado Brasilie lectam, examinavi; eadem est ac L. cerina, male tamen descripta, quum foliola super- ficie folium totum superantia, “‘dimidiam [solam] folii magnitudinem super- antia,” descripta sunt. Leeunea cordifissa Tay].! Lond. Journ, Bot. (1846) p. 395.—Had. Brasilia ; Demerara; etiam ad pedem Andium Quitensium prope Esmeraldas (Hii). Secundum exemplaria Brasiliensia a priore differt colore sordide viridi, lobulo duplo minore, et foliolis (maximis) apice ad }~3 fissis.—Forsan he omnes, nostra LZ, devoluta inclusa, pro L. cerine formis habende, 238 HyGro-LEJEUNEA. | verso ; cellule parvule incrassate, intus sinuate, annulo chloro- phylli angusto circumdatz, czeterum pellucide, convexule. Folia ramulorum 2—4-plo minora, magis concava, foliolis spe pro ratione majoribus. : Foliola foliis vix minora, subcontigua orbiculato-reniformia, basi pro- funde cordata, apice ad + solum acute bifida, celluloso-crenulata, lateribus incurvis. Flores nullos invenire potui. 8. Hycro-LEJEUNEA PENTOTANTHA, Spruce. Hab. In montis Chimborazo devexis occidentalibus sylvaticis, alt. 1500™, ad ramulos foliaque viva. F ‘75x ‘6, lob °25, cdj—ps ; f'* °65x 65; br 9; br 85x "75; per l1x'4 (infra auriculas) x 1-0™™ (auriculis inclusis). Repens flaccida e viridi fusca, Caules 3-4%™ longi, tenues flexuosi simplices vel parum ramosi, ramis brevibus suboppositis. Folia contigua, basi cum lobulo in sacculum semiconicum, folio triplo breviorem, connata, supra lobulum patentia, suboblique cordato- ovata, apice valde decurvo tenui-acuminulata, margine insigniter celluloso-crenulata ; cellule parvule subconformes convexule, pariete ad angulos subincrassato, annulo chlorophylli angustiusculo. Foliola foliis vix minora, imbricata orbiculata, concava, basi profunde cordata, apice ad 4 bifida, rima angusta, segmentis acutis apicula- tisve, margine celluloso-crenulata. Flores dioici: 9 in ramo terminales, innovatione unilaterali, vel duabus oppositis, suffulti. Bractez foliis longiores, ab apice ultra } bilobe, subcomplicatz, lobis oblique ovalibus, subacuminatis undulatis sub- laciniatis, postico plus minus minore; bracteola fere orbiculata, basi breviter angustata, ad 4 bifida, valde undulato-crispa, parce laciniata spinosave. Perianthia emersa obconica, supra medium obtuse 5-gona, angulis apice in auriculas maximas ovales compressas subdivaricatas dilatatis. Calyptra valida rufula, perianthium (sine auriculis) perfecte replens, apice varie lobata. Capsula in pedicello brevi articulato exserta, albida, globosa, ad basin fere usque quadrifida; elateres pauci prope valvularum apicem inserti, conniventes. A L. Dominicenst Mont. et L. cuspidata G. (Syn. Hep. 351) differt foliolis profunde cordatis, segmentis apiculatis (nec transverse rotundis, segmentis obtusis vel subacutis); preecipue autem perianthio apice insig- niter 5-auriculato. Nota.—Auricule perianthii clause sunt, bilamellate —nec lamella singula constantes, ac in Otigonio-Lejeunee speciebus. 9. Hyero-LEJEUNEA PRIONOIDES, Spruce. Hab. Andes Quitenses, ad Rio Verde, fl. Pastasa affluentem, alt. 1300", supra alias Lejeuneas et Frullanias repens. F 75 x°35; lob 1-15, c 35; ft 5x ‘6, 55x ‘65; br, lobus ‘8x 5, ‘8 x 35; brit 6 x°75; foliolum wnfraflorale *7 x -9™™, Prostrata pallide viridis tenerrima. Caules 2-pollicares inzequaliter subpinnati. Folia divergentia, plana vel apice torta, raro decurvo-secunda, basi sub- HyGro-LEJEUNEA. 239 imbricata, apice dissita, ovato-lanceolata acutata vel subacuminata acuta, basi antica semicordata caulem transeuntia, postica sinuato- complicata; lobulus parvus, folio 5-7 plo brevior, ovatus saccatus, apice subacuto occulto conspicuove ; cellule parvule eequilatere pellucidee leptodermes, inferiores mediz submajores. Foliola late imbricata, maxima, folia superficie excedentia, oblato- cordato-orbiculata, ad 4 acute bifida, segmentis ovatis obtusis, basi radicellifera, lateribus incurva. Flores dioici: Q in caule ramove terminales, innovationibus 2 (minutis) oppositis suffulti. Bracteze foliis parum diverse, ad 4 alt. usque bilobe, lobulo lobo duplo breviore explanato, oblique oblongo rotundato ; bracteola foliolis mediis major, eadem forma, ultra 4 bifida, segmentis ovatis obtusis; foliola duo, florem proxime sequentia, bracteol4 imo majora, solum ad + fissa. Perianthia (valde juvenilia) 5-carinata glabra. Andreecia in caule ramisque terminalia; bracteze 3-8(raro pluri) -juge, foliis sensim paulo minores, lobulo cum lobo in formam navicularem complicato, apice triangulari acuto. Antheridia binata maxima. Lejeunea undulata L. et G. Syn. Hep. 768; Gotts. Mex. Leverm. 200, nostre plane affinis, folia habet breviora, ovata, ex acumine szepe apicu- lata; foliola foliis duplo fere minora, basi minus distincte cordata, segmentis autem ac in L. prionoide obtusis. 10; HyGro-LEJEUNEA HETEROCHEILA, Tayl.! Lond. Journ. Bot. 1846, p. 394. Syn. Hep. 768, Hab. In M. Chimborazo, alt. 1500™, ad arborum ramos (R. 8.)—Antea in M. Pichincha lecta (JAMESON). F 1°3x°8, lob 125-2, c. medie Js, inferiores 74; f'* 85x 1-:0™™, Elata flaccida flavo-viridis, effusa vel pendula. Caules 3-pollicares, parum ramosi, ramis primariis elongatis, ramulis brevibus. Folia magna, contigua vel lobulos solos imbricantia, angulo fere recto divergentia, oblique semicordato-ovato-oblonga, vel-ovato-lanceolata, acuminato-bispinosa, nempe extra apicem acute acuminatum dente minore acuminulato antice aucta, ceeterum vel integerrima vel denti- culo obtuso in medio sinu apicali interjecto, basi sinuato-complicata, lobulo minuto, folio 7-10-plo breviore, triangulari inflato; cellule mediocres pellucida, plurimz suprabasales laxiores majuscule. Foliola imbricata, foliis perpaulo minora, cordato-orbiculata, subreni- formia, paulo ultra $ anguste bifida, segmentis subcontiguis apicu- lato-acutis, lateribus plus minus incurva. Flores nobis adhuc incogniti. Hygro-L. prionoides S. diversa est teneritate ; foliis angustis lanceolatis apice simplicibus; foliolorum segmentis obtusis. 11. Hyaro-LEJEUNEA ROTUNDIFOLIA, Mitt.!| (Tas, 1X.) In Hook. Journ. Bot. (1857), p. 359. Hab. Ad arborum ramulos, in valle fluvii Pastasa, secus fl. Verde, alt. 1300™. In devexis occidentalibus montis Pichincha (J AMESON). F 135x105, 1:25x°9; lob 4-45 x25; ¢ sy 3 f 1:01:35, 9x15; br 1:1; br 10x°8; per 1°5 x ‘7mm, Pendula flaccida pellucida albescens, dein flavicans fulvave. Caules 4-6- 240 HyGro-LEJEUNEA. pollicares simplices vel pinnati; rami brevissimi furcati, florem ? in furca gerentes, brachiis innovando-2-3-floris. Folia magna tenerrima paulo imbricata subplana, supra plicam sub- erectam divergentia, late semicordato-oblonga apice decurvulo rotun- data, obscure celluloso-crenulata, sinuato-complicata; lobulus 3-plo brevior, basi supra caulem alte incurrens, saccatus, quasi semi- pyriformis, margine transverso plano erosulo; cellule majuscule subconformes pellucidze fere vacuee. Foliola imbricata, foliis equimagna sed oblata, cordato-reniformia, ad insertionem alte excavata, apice rima angusta ad 4 bifida, segmentis apiculato-acutis—haud raro ipso apice connatis, margine celluloso- crenulata. Flores dioici: Q in ramo perbrevi terminales, innovationibus. binis iteratim innovatis suffulti. Bractez foliis subbreviores, erectze plane angulate ultra 4 complicato-bilobze, lobo spathulato-lanceolato sub- acuto, lobulo paulo breviore duplo angustiore ligulato-lanceolato acuto; bracteola obovato-rotunda brevissime emarginato-bifida, seg- mentis conniventibus acutis. Perianthia emersa subclavato-oblonga, valde compressa, 5-carinata, supra medium sensim constricta (unde panduriformia) apice tamen lato. truncata. Planta pulcherrima, siccando haud nigrescens, more L. Spongie alia- rumque Hygro-Lejeunearum. 12. HyGro-LEJEUNEA IMPLEXA, Spruce. Hab. S. Carlos del Rio Negro, in trunco vetusto. F 65x 6, lob-1,¢ 3; f* 5x°65; br 6-65; br@ 6x 6™, Prostrata, plagas latas intricatas fuscescentes sistens. Caules bipollicares flaccidi flexuosi vage vel subpinnatim ramosi. Folia ad 4 lat. imbricata, plana tenuia valde decidua, profunde semi- cordato-orbiculata, raro subovata, integerrima vel cellulis prominulis erosula, basi antica caulem late transeuntia, postica sinuato-compli- cata, plica transversa; lobulus parvus folio 6-plo brevior triangularis, margine obliquo incurvo; cellule mediocres pellucide, ambitu anguste opace, pariete subincrassato. Foliola imbricata, patentia vel squarrosula, foliis vix minora, oblato- cordata, laxe pellucide areolata, apice lato ad 4 vel fere ad 4 bifida, sinu late triangulari acuto, segmentis divergentibus acuminulato- acutis. Flores dioici: 9 in ramo brevi terminales, innovatione parva suffulti. Bracteze foliis eequales ultra dimidium complicato-bilobe, lobis sub- dimidiatis, antico ovali obtusato, lobulo subminore et duplo angus- tiore; bracteola equilonga suborbiculata ad 4 fere bifida, rima angusta, sinu depresso, segmentis subobtusis. Hygro-L. Matteola, quoad foliola magna huic sat similis distincta est foliis multo angustioribus subrhomboideis laxius areolatis; bracteis acutis, bracteola angustiore. 13. Hycro-LesJEUNEA Matrrona, Spruce. Hab. Ad flum. Amazonum, in arborum cortice, prope Pard et secus canalem “ Parand-miri dos Ramos” dictam. HyGro-LEJEUNEA. 241 HG x45, lob “1, oJ. ; fi 55 x 65; br-7; br? “65x 4e™, Rufo-viridis fragilis, in plagas latas densas prostrata. Caules 1-2-polli- cares vage vel subpinnatim ramosi. Folia paululum imbricata divergentia subrhomboideo-oblonga rotundata vel subtruncata, basi antica semicordata, postica minute sinuato- complicata; lobulus folio 7-plo brevior, saccatus, margine transverso, plica angulum 45°-50° cum caule efformante; cellule fere majusculz subconformes, eequilateree, pellucidee, annulo chlorophylli latiusculo, pariete ad angulos seepeque ad media latera incrassato. Foliola subcontigua, foliis fere equimagna sed oblata, cordato-reniformia vix ad 4 bifida, rima angusta, segmentis apiculatis contiguis vel forficatis. Flores dioici: 9 terminales, innovatione suffulti. Bracteze foliis sequi- longze complicato-bilobze, lobis acutis, antico ovali, postico longe minore lanceolato; bracteola obovata ad 4 fere anguste bifida, seg- mentis subacuminatis. SUBGENUS XXIX.—HUOSMO-LEJEUNEA, S. Plante elatiuscule, tegeticulas latas densas ambitu seepe pendulas efli- cientes, albescentes, odore Rosz rubiginosze jucundo scatentes, in sicco flavide rufescentesve, perianthiis insigniter rufis. Caules tenues laxe pinnatim ramosi, interdum subsimplices apiceque fere sine limite evoluti. Folia mediocria (‘5—'85, rarissime 1:0™™ longa) subimbricata, raro, con- ferta, devexa vel subplana late semicordato-oblonga rotundata, raris- sime subacuta—in unica subapiculata—subleeyvissima integerrimaque vel seepius celluloso-asperula-crenulataque, lobulo parvo folio 4-8-plo breviore inflato; cellule mediocres vel parvee (;,—3,™™ diametro) planz vel obtuse prominul guttulatee, pariete incrassato, trigonis maximis. ‘ Foliola foliis subeequimagna, solum in £#. L. laxiuscula sat (interdum ad duplum) minora, cordato-reniformia-orbiculatave, breviter (ad 74,—+) —raro ad $ usque—bifida. Flores omnium fere dioici: 9 terminales, innovatione (raro prolifera) suffulti. Bracteze pro more foliis subbreviores, lobis seepe angustis acutis integerrimis crenulatisve raro falcatis ; bracteola subduplo longior quam lata bidentata, solum in ZL. L. longiflora orbiculata, in nulla integra, Perianthia emersa, duplo longiora quam lata, subpyriformia rostellata, parum compressa, alte 5-carinata; sublevissima vel ad carinas aspera. Amenta ¢ varie posita, bracteis pauci—multi-jugis majusculis turgidis subineequilobis diandris. Hab. In truncis vetustis putrescentibusve, in foliis emortuis et filici- bus, ad fruticum pedem ramulosque, raro in saxis vel in ipsa terra arenosa, planitiei silvas diligentes, parum supra!montes scandentes. Distr. Species 6 Amazonicz, quarum 5 novee videntur (speciebus autem antea descriptis difficiliter extricandis) omnes in planitie vigent, earum- que 2 etiam in Andibus orientalibus, vix ad alt. 1000™ usque, ascendunt; TRANS. BOT. SOC. EDIN. VOL. XV. 25 242 EvosMo-LEJEUNEA. in Andium declivibus occidentalibus nullam vidi.—Alize 10, vel plures, ab auctoribus descriptee, plereeque neotropice, sc. L. coronalis G., L. opaca G., L. amena G., L. elegans G., L. vermicularis Ldnbg., etc. etc.; una etiam (si rite huc relata) L. rufescens Ldnbg. insulam frigidam australem, Staatenland, habitat. Paucz paleotropice sunt, quarum L. trifaria N. ab amazonica L. longiflora Tayl. vix diversa videtur. Hee ultima hominis vestigia sequitur, fereque pro stirpe triviali habenda est. A. Monoice. 1. Euosmo-L. longiflora. F. divergentia oblonga rotundata repanda, lobulo 4-plo breviore. Foliola foliis eequimagna cordato-reniformia ad 141 bifida. Bracteola cordato-suborbiculata brevissime bifida. Per. pyriformi-oblonga argute 5-carinata leevia. [Euosmo-L. trifaria N. A pr. differt statura minore; f. lobulo minuto; foliolis basi solum subcordatis; bracteola obovata.—Jawa. ] B. Dioice. a. Foliola apice bidentula. 2. Euosmo-L. fragrantissima. F. ovato-oblonga obtusa raro subacuta crenulata apiceque interdum denticulata, lobulo 8-plo breviore. Foliola foliis equimagna cordato-reniformia apice ad >)—} fissa. Bracteola elliptica ad j bifida. Per. oblonga alte 5-carinata, carinis tuberculosis. b. Foliola ad 4-3 bifida. 3. Euosmo-L. laxiuscula. F. oblongo-rotunda repandula abrupte sinuato- complicata, lobulo 4-plo breviore. Foliola sat breviora cordato- orbiculata, ad 1-4 bifida, segmentis patulis acutis. Bracteola longe oblonga ad } bifida. 4, Euosmo-L. suaveolens. F. suborbiculata basi cordata, lobulo 4-plo breviore. Foliola fere zquimagna cordato-orbiculata angulata ad 1 bifida, segmentis erectis acuminulatis. Bracteola elliptica ad 4 bifida. . Euosmo-L. subcrenulata. F. ovato-rotunda subcrenulata, lobulo 5-plo breviore. Foliola vix minora reniformi-rotunda ad 4 fere bifida, segmentis subacuminatis. 6. Euosmo-L. comans. Caules longissimi capilliformes. F. ovato- oblonga apiculata repanda facie papulosa; lobulo fere 4-plo breviore. Foliola paulo minora late cordato-oblonga angulata, apice ad % bifida. on 1. Evosmo-LEJEUNEA LONGIFLORA, Tayl! Lond. Journ. Bot. 1846, p. 396.—G. L. et N. Syn. Hep. 763. Hab. Caripi aliisque locis prope Pard, in truncis vetustis; fl. Negro, circa S. Gabriel, ad ramulos, rarius ad truncos, in “ caatingas”; S. Carlos, in Crescentie Cujete ramis; Tarapoto, Andium Peruv., ad rivulorum saxa, supra Macromitriwm repens. F 65 x°45; lob 15; c 75; f'* 6x°75, ‘55x °65; °4x°6; br 5—6; br'4 ‘B59 X "5D; per “9x 45mm, Repens pendulave substratificata albescens, siccando flavescens fuscidu- lave, odore Jung. bicrenate aromatico seatens. Caules 1-4-pollicares EuosMo-LEJEUNEA. 243 intricati pinnati vy. subbipinnati, ramis inzequalibus pro more dis- tantibus. Folia subplana decurvave plus minus imbricata, a plica basali brevi sub- erecta divergentia, oblique semicordato-oblonga rotundata, antice caulem transeuntia, celluloso-repanda; lobulus 4-plo brevior obtri- angularis (cum lobi basi sacculum compresso-obconicum efformans), margine transverso incurvo, apice brevi 1—2-dentato; cellulz parvulze guttulate pellucide v. subopace, pariete incrassato trigonis maximis, parum prominule. Folioia maxima, folia zquantia majorave, imbricata cordato-reniformia- orbiculatave, concava, apice breviter (ad 1} solum, raro ad 4 usque) bifida, simu angusto latioreve, segmentis apiculato-acutis, repanda. Flores monoici: @ ad ramum abbreviatum innovando-proliferum termi- ‘nales. Bracteze foliis subminores complicate, lobo ovali-lanceolato acuto obtusove, lobulo longe minore apice brevi lanceolato ligulatove; bracteola suborbiculata concava, apice rima perbrevi angustaque bifida, segmentis apiculato-acutis. Perianthia semiemersa seepe rufescentia pyriformi-oblonga, apice rotun- dato-truncato rostellata, 5-carinata—alia (in eadem planta) minora, alia majora—carinis tam argutis ut 5-alata viderentur. Calyptra pyriformis rufa, basi purpurascens. Andreecia cauligena, seepe crebra, folium collaterale subsuperantia; bracteze sub 5-jugee turgide subinzqualiter bilobee. Var. rupicola, foliis prelate cordato-ovalibus fornicatis, celluloso-erosulis angulatisque; foliolis maximis duplo latioribus quam longis solum ad 4 fissis; perianthiis brevibus.—Plante raro monoicee, seepius wni- sexuales preecipue masculee.—In rupibus ad fl. Negro cataractas. L. longiflora a L. trifaria Nees! (ex ipso in herb. Hook.)—stirps Ja- vanica—parum (et vix specifice ?) distat, statura elatiore; lobulis subma- joribus; foliolis magis profunde cordatis; bracteolis suborbiculatis.—L. coronalis Gotts. (ex ms. Antillis) foliolis rotundo-quadratis—nec cordato- reniformibus—-certe differre videtur.—Altera species Tayloriana, nempe L. repens T., l.c., a L. longiflora egre separanda est. Obs. Of Taylor’s L. longiflora, I have part of the original speci- men, given me by himself, and marked (by the collector) ‘* Hab. Trees. Para. Collected March 1841. T. L. R.” Taylor’s geography was therefore in error when to the published description, he ap- pended the locality ‘Cincinnati in Prov. Ohio.” (Lond. Journ. Bot. et Syn. Hep., ll. cc.) 2. Evosmo-LEJEUNEA FRAGRANTISSIMA, Spruce. Hab. In fluvii Negro sylvis, ad rivulum Tarwmd super Hymenophylli frondes, ad San Carlos in truncis putridis; in cacumine montis “ Cerro Pelado” dicti (alt. 800") prope Tarapoto Andium Peruvian- orum, ad frutices necnon in ipsa terra inter Selaginellas; in sylva Canelos Andium Quit. supra Plagiochilam cristatam repens. F ‘85 x ‘6, ‘8x 5, lob ‘1,c 2; f'* 6x °85, 55x “75; br. lob “8x °4; br’ °65 x °5; per ‘9-10 x ‘55™™, Elata albescens, ad folia novella interdum rubescens, siceando flavida. I > 244 EvosMo-LEJEUNEA. crespitoso-erecta vel procumbens, odore Rose rubiginose insignt scatens. Caules 3-4-pollicares crassiusculi, cellulis 3-5-stratis conflati, paral- leli, ope radicellarum inter se arcte adhzrentes, apice elongato inde- finite evoluti, basi marcescentes, parum ramosi, interdum subpinnati, ramis brevibus. Folia subimbricata fere longitudinaliter inserta, angulo recto vel sub- divergente patula, oblique semicordato-ovato-oblonga, apice decurvo obtusa rotundatave, rarissime subacuta et obtuse denticulata, facie e cellulis prominulis papuloso-scabra, margine crenulata, basi minute sinuato-inflexa; lobulus folio 8-plo brevior triangularis incurvus apice subexplanatus; cellule parvul suboblongate guttulate convexule, pariete incrassato, trigonis magnis, chlorophyllo in annulum subo- pacum congesto. Foliola imbricata—raro solum contigua—foliis eequimagna cordato-feni- formia (long. vix =? lat.) apice ad #,—3 alt. solum fissa, rima angusta, segmentis acutis, margine (laterali praecipue) late incurva. Flores dioici: Qin ramulo terminales, innovatione recte continua sepe iterum prolifera suffulti. Bracteze foliis equilonge angustiores profunde bilobee complicate, lobo semioblongo-obovatove, lobulo duplo breviore anguste ligulato obtuso; bracteola elliptica vel obovato- cuneata ad 4 bifida, segmentis oblique acuminatis acutis. Perianthia foliis paulo majora, a basi obpyramidata oblonga compressula rotundato-retusa, brevissime rostellata, alte 5-carinata, carinis subero- sis tuberculosisve, demum basi elongata quasi-stipitata, clavato- oblonga, carinis prealtis, ore subtrifido. Calyptra vix brevior ovalis rufa. Andreecia cylindracea, totum ramulum vel sepius ejus apicem solum tenentia; bracteze 5-10-jugz diandree. Var. condensata, foliis arcte (ad 4 lat.) imbricatis valde convexo-decur- vis, utraque facie papulosis; foliolis prelate cordato-reniformibus, fere lunatis, e basi profunde excisa utrinque decurrentibus.—Andes Peruvie, in M. Campana ad folia emortua; in M. Guayrapurina cum Mastigobryts consociata. 3. Evosmo-LEJEUNEA LAXIUSCULA, Spruce. Hab. Caripi, prope Pard, in cortice. F +5x°:4, lob +125, ¢ Ay; fie 3x°3, 35x 85, 3x 35; br “75; br'* “55x ‘oo Albicans, in sicco flavida, prostrata, matteolas laxiusculas sistens. Caules 1-2-pollicares flexuosi subramosi, raro subpinnati bipmnative. Folia subimbricata, a basi complicata semierectéa abrupte divergentia, apice decurva, semicordato-oblongo-rotunda, celluloso-repandula, facie subpapulosa, ad lobuli apicem valde sinuata; lobulus folio 4- plo brevior, subovatus saccatus, apice incurvo acuto; cellule parvee subopace guttulate, intus ovali-rotundee, trigonis conspicuis. Foliola foliis dimidio saltem breviora, subimbricata, cordato-orbiculata, subinde paulo latiora quam longa, ad 7-$ acute bifida, segmentis patulis acutis. Flores dioici: @ in ramo brevi terminales, innovatione suffulti. Bracteze foliis longiores, falcato-incurvee, ovali-ellipticee, plerumque obtuse, ad 4 alt. bilobee, lobulo angusto apice lanceolato; bracteola oblonga, duplo fere longior quam lata, contorta, breviter bifida, segmentis acutis erectis forficatisve. EuosMo-LEJEUNEA. 245 Perianthia (juvenilia) pyriformia, argute 5-carinata. Obs. Ad S. Gabriel fluvii Negro formam in Plagiochila reptantem legi, foliis (‘48 x -4™™) rotundioribus, lobulo adempto suborbiculatis vel cordato- orbiculatis; foliolis (°3 x °35™™) paulo ultra 4 bifidis, sinu triangulari. Ab Euosmo-L. longiflora T. certe differt flor. dioica, foliis rotundioribus; foliolis distincte minoribus magis profunde fissis; bracteola angusta (nec orbiculata). L. elegans Gottsch. Syn. Hep. 364, diversa erit “ foliolis arcte imbricatis, transverse rotundis” (nec cordatis), foliis subequimagnis ; cwteris caracteribus autem a nostra parum recedit. 4, EvosMo-LEJEUNEA SUAVEOLENS, Spruce. Hab. In sylva Amazonica ad Caripi prope Pard, in palmarum truncis; in Andibus Peruy. inferioribus circa Tarapoto et Lamas, ad fruticum radices ramulosque. . F 65x65, °5x°5; lob 1-125; ¢ Ads; ff °55 x 65, 5 x 6, 4-4; br To meet Albescens, siccando flavida olivaceave, opaca pellucidave, prostrata. Caules 1-2-pollicares, in tegeticulam latam texti, filiformes, debiles, subpinnati, ramis paucis brevibus inequilongis. Folia subimbricata tenuia, plana vel apice subdecurva, ad plicam sub- recta, angulum 30°-45° cum caule efformantia, supra plicam fere divergentia, orbiculata—raro subovata—utrinque cordata (antice ad ipsam basin, caulem late transeuntia, postice ad lobuli apicem), integerrima; lobulus parvus folio 4-6-plo brevior ovatus triangu- larisve brevi-acutus inflatus; cellule parvee conformes subeequilateraé guttulate, convexulz,ad angulos insigniter incrassatz, annulo angusto opaco cinctee. Foliola foliis fere equimagna subimbricata, cordato-orbiculata, concava subangulata, apice ad 4 bifida, segmentis contiguis v. parum dissitis acutis acuminulatisve, interdum subcarinata. Flores dioici: 2 in ramo brevi terminales, innovatione simplice suftulti. Bractez foliis subeequilongse oblique oblong obovatzeve rotundataé raro acute, lobulo duplo v. ultra breviore anguste rhomboideo acuto; bracteola elliptica ad 4 bifida, segmentis obtusis apiculatisve. Peri- anthia ... Amenta ¢ ovata v. oblongata, ramulum totum v. ejus basin solam tenentia ; bracteze 5- (raro pluri-) jugsze majuscule magneve tur- idee. L. clausa Mont. et N. (Syn. Hep. 365) folia habet obtusa, “sinu leni complicata;” amphigastria solum contigua (nec imbricata) ad 4 fissa. De foliolis insigniter cordatis pl. nostree nihil 1. ¢. dicitur.—ZL. opaca Gottsche (Syn. H. 362) a L. clausa haud diversa videretur. Although I found plants of both sexes, Isaw no fruit. The male plants at Tarapoto were 15 miles away from the females at Lamas, and 2000 miles from those of Caripi—either distance far too great to allow of impregnation ; and if plants of either sex occurred in the intermediate spaces, I did not fall in with them. 5. Evosmo-LEJEUNEA SUBCRENULATA, Spruce. Hab. S. Gabriel, in cortice, cum Cerato-Lejeunca Cubensi. 246 EvosMo-LEJEUNEA. Ff 65 x 6, ‘65 x 55, lob "125; c oy; f'* 55x ‘7, 45 x -6™™, Late reptans, intricata, pallida dein rufula, tenella. Caules sesquipolli- cares parum et subpinnatim ramosi: Folia ad 4 late imbricata, horizontaliter patula, assurgentia, apice decurva, semicordato-ovato-rotunda oblongave; repanda, celluloso-subcrenu- lata, supra lobulum abrupte devexo-rotundata; lobulus 5-plo brevior parum decurrens, trigono-ovoideus brevissime apiculatus, inflatus; cellulee mediocres subconformes, ad angulos incrassate, guttulatee, subpellucide, annulo chlorophylli laxo angusto, perpaulo pro- minulz. Foliola foliis seepe vix minora, oblata tamen, subreniformi-rotunda, sub- undulata, suberenulata, ad medium fere biloba, sinu triangulari obtuso, segmentis subacuminatis acutis, basi paulo decurrentia (nec cordata), margine repanda crenulataque. Fl. pete ¢ terminales (imperfecti); bracteze paucijugee, ovoideo-cymbi- ormes. 6. Evosmo ?-LEJEUNEA COMANS, Spruce. Hab. 8. Carlos del Rio Negro, in sylvis humilioribus, ad arborum radices, preecipueque e ramulis foliisque plagulis latis dependens. F 55 x ‘4, lob *15, ¢ psy; f *4 x 35m, Albicans, siccando flavescens; caules 6-pollicares et longiores, capillacei, tenaces tamen et opaci, flexuosi, subsimplices vel parum ramosi, ramis elongatis cum caule pendulis. Folia perpaulo imbricata, angulo 60° patentia, rigidiuscula, fornicato- decurva breviter ovato-oblonga, basi semicordata caulem tegentia, apice abrupte et plerumque apiculato-acuta, celluloso-crenulata, complicata, plica recte decurrente; lobulus folio 4-plo fere brevior ovato-rhomboideus inflatus, margine incurvo, apice acuto; cellule subparve parum elongatz guttulate convexule subopacz, granis chlorophylli plerumque sparsis. Foliola foliis paulo minora, imbricata, subappressa, late oblonga, basi profunde cordata, subundulata, margine angulata, apice vix ad 4 bifida, rima angusta, segmentis acutis, rarissime radicellifera. Flores... Planta formosa dubiz affinitatis ad L. longifloram Tayl. paulo accedens; forsan melius cum L. duriuscula e. a. inter Cheilo-Lejeuneas colloc- anda. LL. vermicularis Lindenb., “caule elongato filiformi, foliis deflexo-convolutis” nostre sat similis, differt foliis orbiculatis haud acutis, lobulo apice subuliformi, et foliolis rotundis, nec cordatis. (Syn. Hep. 367.) Subgenus XXX.—PYCNO-LEJEUNEA, S. Planta majuscule prostrate arcte repentes albescentes, tenere pelluci- dissimee subramose, ramis iInequilongis. Folia arctissime imbricata decurvo-concava late semicordato-oblonga seepius rotundata, lobulo v. mediocri inflato v. prelongo et in cylin- drum convoluto, papuloso-scabra integerrima, interdum ocellata; cel- lulz. subparvie lepto-v. pachydermes facie alte prominule. Foliola subduplo breviora, latiora quam longa, reniformia, ad vel ultra + bifida, sinu lato segmentisque acutis, Pycno-LEJEUNEA. 247 Flores monoici vel dioici: @ terminales, innovatione simplice v. iterum innovata suffulti. Bracteze foliis longiores incurvo-conniventes com- plicato-bilobz, lobis subinzequalibus acutis acuminulatisve, integer- rime, interdum ad carinam alate; bracteola lata bidentata v. integra. Perianthia emersa obovato-pyriformia turgida vix compressula brevirostria ~ argute 5-carinata sublevissima. Calyptra rufa. Capsula globosa magna. Andreecia ramigena, seepius terminalia; bracteze pauci-plurijugee majus- cule. Obs. Affinitatem habet cum Huosmo-Lejeunea, ex odore leniter suavi et foliolis majusculis, longe diversa tamen habitu, foliis confertissimis pellu- cidissimis etc.; etiam cum Trachy-Lejeunea e foliis papillosis interdum ocellatis, a qua distat foliis preelatis confertissimis, foliolis multo majori- bus, perianthiis levibus, etc. Cheilo-Lejewnea statura minore, cellulis obscuris (e chlorophylli annulo opaco) et perianthiis compressis demum bilabiatis magis remota est. Hab. In sylvis planitierum densis, ad arborum corticem, interdum alias hepaticas infestans. Distr. Subgeneris mere tropici ipse solum 2 species legi, sc. L contiqua Nees, jam antea in Mexico, Brasilia et Guiana (imo in ins. Mascarenis ?) lecta, et L. macroloba Mont. (a qua vix differt L. callosa Ldnbg.) e Guiana allata. Alize paucee species, sc. L. Hampeana Ldnbg., L. inflata N. ete. neotropice sunt; L. trapezia N. e Java habemus. 1. Pyeno-L. contigua. Monoica. Folia ocellata papulosa, lobulo 4-plo breviore ovato inflato. Foliola segmentis acutis. Bractez lobo subobtuso, cum bracteola integra bidentulave basi connate. 2. Pycno-L. macroloba. Dioica. Folia exocellata praalte papulosa, lobulo paulo breviore in cylindrum convoluto. Foliola segmentis apiculatis. Bracteze ad carinam alate, lobis acuminulatis; bracteola libera breviter bifida. 1. Pycno-LEJEUNEA ConTIGuA, Nees. In Mart. Fl. Bras. I., p. 360. G. L. et N. Syn. H. 362. Hab. Fl. Amazonum, prope Pard, Santarem et Obidos, necnon ad fi. Negro cataractas, in cortice. F -63x°5, lob 15-2; ¢ a5; fi 25x35; br -8—°45; br™ -7x-5; per 1D x45. Albescens, pellucidissima, plagas cireumscriptas lis Radule complanate - similes efficiens. Caules 4—1-pollicares, inzequaliter pinnatim ramosi, matrici arcte adherentes, implexi, ramis equifoliatis, raro plus minus microphyllis. Folia arctissime imbricata, assurgentia, insigniter fornicato-concava (mar- gine toto incurvulo), late semicordato-oblonga—alia paulo latiora quam longa—sepe subrhombea, angulis rotundatis, repandula, facie papulosa margine postico sinuato-complicata; lobulus folio 4-plo brevior anguste ovatus inflatus, apice acuto seepe involuto; cellule parvule zquilaterze pellucide, 4-10 basin versus duplo majoribus vacuis, vel sparsis vel in maculam collectis, ocellata, onmes (margin- alibus exceptis) papuloso-prominulz, leptodermes, granis chlorophylli (oleiferisque, elongatis seepe flexuosis) cellule ambitu, vel hic illic, 248 Pycno-LEJEUNEA. sparsis.—Folia caulina minus imbricata, ramea tamen valde con- ferta. Foliola imbricata foliis 24-plo—in var. vix 2-plo—minora, oblato-rotunda vy. subreniformia, fere ad $ biloba, sinu lato triangulari segmentisque acutis. Flores monoici: @ in ramo seepe brevi terminales, innovatione simplice suffulti. Bracteze foliis longiores subpatule incurvo-conniventes, complicato-bilobe, lobo oblique oblongo subobtuso, lobulo sub- breviore lanceolato lingulatove acuto, cum bracteola obovato-spatu- lata integra vel seepius emarginato-bidentula, dentibus conniventibus, basi coalitee. Perianthia subemersa vel immersa obovato-pyriformia, vix compressa, brevissime rostellata, apicem versus argute 5-carinata sulleevissima, fructu emerso turgida, carinis fere obliteratis, apice 4-fida; e calyptra rufa inclusa flavida videntur, apice tamen scariosa et quasi vitrea. Calyptra magna perianthium fere implens, sessilis, pyriformis apice valvatim 4-fida, valvulis inzequilatis acuminulatis, antic sublatiore stylo persistente coronata. Capsula magna globosa ad # usque in valvulas 4 lanceolatas fissa. Andreecia inramis brevibus interdum parvifoliis terminalia, vel ramulo solo constantia, ovoidea; bracteze sub 4-jugze, sat magnee, turgidee. Var. latifolia. F °75x°‘8, lob 125; f'* 4x *6™™,—Major, robustior. Caules bipollicares, aliis ramis superne attenuatis, aliis tota longitudine microphyllis. Folia majora, oblata, fere reniformia, rarius ocellata; lobulus contra minor, folio 6-plo brevior. Foliola dimidium folium sub- excedentia, margine subangulata, segmentis apiculatis acuminulatisve. Bracteola apice ad }—4 fissa (in flore sterili).—Plantee perseepe unisexu- ales.—Caripi propre Pard, in cortice. Var. parvula, rigidula, folii lobulo longiore.—Santarem et San Carlos. Obs. Pycno-L. contigua foliis confertissimis inter Lejewneas Schizostipas fere unica est, solumque cum L. macroloba et affinibus conjungi potest. 2. Pycono-LEJEUNEA MACROLOBA, Mont. Ann. des Sc. Nat. 1843, p. 260. G. L. et N. Syn. Hep. 359. Hab. Ad fl. Negro et Uaupés, in cortice ramulisque, sepe aliis hepaticis irrepens. F105 x °8, 8 x 65, °75 x 6; lob. 55; ¢ Ae; fl 5 x 65, 4x 6; br 11x 5805507 1x cDy 9x9; wer L-Oa xsoo =. Repens, dense stratificata vel sparsa, albicans, siccando interdum fusces- cens. Oaules validi 1-2-pollicares inordinatim ramosi, seepe iteratim innovandi monotropi. Folia tenera arctissime imbricata divergentia late semicordato-oblonga- ovatave apice decurvo rotundata obtusatave, margine postico ultra medium v. fere ad apicem usque in lobulum cylindricum (explicatum lato-linearem) apice in folium oblique vel sensim transeuntem con- voluta—carina interdum bis implicaté—facie papuloso-scabra; cel- lulee parvule pellucide equilaterze subconformes, extus in conum obtusum alte prominule. Foliola imbricata foliis zequilata sed duplo breviora, reniformi-rotunda, basi subcordata, apice ad 4-} acute late bifida, segmentis apiculato- acutis incurvulis; subfloralia majora minus profunde fissa. Pycno-LEJEUNEA. 249 Flores dioici: 9 in ramo spe iteratim prolifero terminales. Bractez foliis subeequilongee incurvo-cucullate ad 4 bilobe, ad carinam alate, lobis oblongis vel semiovalibus acuminulatis, raro obtusis, postico minore; bracteola ovato-rotunda vel fere orbiculata, apice breviter bifida, segmentis apiculatis incurvis. Perianthia bracteas haud superantia pyriformia parum compressa brevi- rostria, alte 5-carinata, carinis subpapulosis, e calyptra rufa inclusa rufescentia, revera albida apice scariosa. Andreecia in planta tenuiore longioreque; bracteze plurijugse majuscule ineequaliter complicato-bilobee inflate, vel ramum totum vel ejus majorem partem tenentes. Forma typica ad fl. Uaupés et riv. Cauapuna crescit. Var. exalata : foliolis undulato-crispis, utrinque supra medium angulatis, obtuse uni- dentatis vel etiam sublobulatis ; bracteis ad carinam exalatis.—Juxta S. Carlos et S. Gabriel. Suscenus XXXI.—POTAMO-LEJEUNEA, 8. Euosmo-Lejeunee habitu staturaque sat similis, diversa autem colore lurido; odoris absentia; foliis margine postico cum plica fere recte con- tinuo (nec ad plice apicem valide sinuato), lobulo majusculo subplano (nee minuto turgido), foliolis solum 4 folium zequantibus (nec szepissime subzequimagnis), basi haud cordatis.—Flores 9 in ramo brevi terminales, innovatione simplice (in unica specie nulla) suffulti. Perianthia apice seepius vel truncata vel carinis valde rotundo-prominulis. Potamo-L. temnantha, habitu, colore lurido, et perianthiis truncatis ad Cerato-Lejeuneam transitum prebet, certe tamen distincta utriculorum defectu, foliorum lobulo planiore, et cellulis pachydermibus ambitu late opacis.—Inter Cheilo-Lejeuneas militaverit, preecipue quoad P. L. poly- stachyam, ramulis 2 simplicissimis Cheilo-Lejeuneis plurimis conformem, nisi perianthia alte 5-carinata, haud bilabiata, obstavissent. Hab. et Distr. Constat subgenus speciebus solum 3, ad’ truncos fluvi- orum Negro et Uaupeés irrigatos a me lectis. Forsan LZ. Coarina G., ad fl Amazonum superius inventa, in ‘Syn. Hep.’ ad Ceratanthas adscripta, quarta species constituerit; pro tempore eandem inter Cerato-Lejewneas collocavi. A. Ramulus 2 simplex, innovatione nulla. 1. P.-L. polystachya. Monoica, robusta, ramulis ¢ et 2 seepe arcte pinnulata. F. semioblonga-ovatave rotundata, lobulo plus duplo breviore subrectangulari; cellule leptodermes, Foliola vix=folii dimidium, late obovata ad 4 bifida. Br. erecto-incurvee falcatie, lobo oblongo rotundato; bracteola ligulato-oblonga, brevissime bifida. Per. pyriformi-oblonga, carinis lateralibus posticisque altis apice rotundo-prominulis. B. Ramulus 2 innovatione auctus. 2. P.-L. temnantha. Monoica, subpinnata fragilissima. F. late patentia subfaleata oblique oblonga rotundata, lobulo 4-plo breviore rhombeo subinflato v. fere plano; cellule parvule intus late opace, pariete incrassato. Foliola fere 2-plo breviora oblongo-rotunda ad 4 bifida, Br. acute; bracteola ovata breviter bifida. Per. turbinato-oblonga apice quadrato-truncata. Andr. longispica. TRANS. BOT. SOC, NDIN, VOL, XV. 21 250 PoTAMO-LEJEUNEA, 3. P.-L. riparia. Dioica, a pr. differt lobulo majore planiore; cellulis subpellucidis; foliolis orbiculatis, segmentis subacuminatis; br. lobo obtuso; bracteola magna ovaii apice brevissime bidentula subden- ticulata; per. obovato apice rotundato; andr. brevispicis. 1. Poramo-LEJEUNEA POLYSTACHYA, Spruce. Hab. Ad arborum radices ab aquis fluvii Uoupés cataractarum irrigatas. F 75 x°5; lob 3x °125; ¢ Js; f'* 35x °35; br 65; br’ 6x °2; per “9x 6; andrecia 1:0-2:0; br g -3™™. Robusta luride purpurea, in plagas magnas densas diffusa. Caules 14-2- pollicares subrecti paralleli stratificatique, basi parum divisi, deinde longe simplices seepeve ramulis floriferis, ¢ et 9, crebre pinnulati. Folia contigua vel subimbricata, raro dissita, late semioblonga vel sub- ovata apice plus minus decurvo rotundata, a basi ultra + recte com- plicata; lobulus plus duplo brevior subrectangularis planiusculus, rarius inflatus, sinu lato, apice subacuto rotundatove; cellule parvee subconformes subplanz, annulo chlorophylli lato opaco cireumdate, centro pellucide. Foliola dimidium folium fere equantia, paulo dissita, late obovata, ad + bifida, sinu segmentisque abrupte acuiis. Flores monoici, ramulis brevibus constantes. Ramulus ? sub 4-phyllus simplicissimus (innovatione nulla). Bractez foliis caulinis breviores erecto-incurve, vix ad }$ bilobz, lobo falcato-oblongo ligulatove rotundato, lobulo duplo breviore angustioreque lingueeformi acuto obtusove; bracteola fragilis ligulato-oblonga apice cucullato brevis- sime (vix ad 4) bifida, segmentis abrupte acutis obtusisve. Perianthia emersa pyriformi-oblonga, apice depresso obsolete rostellata, subcompressa, antice depressa apice carinulata, postice argute bi- carinata, carinis glaberrimis. Calyptra subsequilonga sed angustior, rufula fusiformis. Amenta ¢ ramulnm julaceum, folium caulinum 2-3-plo superantem sistentia; bracteze 5—-10-jugee, parvule, cymbiformi-complicate, bi- fide, lobis ovatis, inferiure paulo minore acutioreque; bracteol oblonge emarginato-bifide. Obs. E ramis @ simplicibus melius forsan cum Cheilo-Lejeuneis militaverit, diversa autem habitu robusto et perianthiis haud compresso- bilabiatis. 2. PoramMo-LEJEUNEA TEMNANTHA, Spruce. Hab. Saé Gabriel, in truncis fl. Negro inundatis. '°75,X*5; lob -2;-¢ Ay; f °4x-35; br °6; per <7 «4am, Majuscula, luride purpurascens siccando fere nigra, fragilissima, late effusa. Caules 13-pollicares, ineequaliter subpinnati, prostrati. Folia parum imbricata, angulo 80° patentia, oblique oblonga subfalcata, apice decurvo rotundata subtruncatave repandula, recte complicata; lobulus 4-plo brevior subrhombeus inflatus raro subplanus obtusus, interdum obsoletus; cellule parvule subconvexe pariete ad angulos valde incrassato, annulo opaco lato cincte, inferiores majores sub- elongate. Foliola vix duplo breviora dissita oblongo-rotunda ad 4 usque acute bifida, segmentis acutis obtusisve. Flores monoici: 2 in ramulo abbreviato terminales, innovatione simplice PotTaMO-LEJEUNEA. 251 (rarissime iterum prolifera) subtensi. Bractese foliis minores, lobis planis subacutis, majore elliptico-lanceolato, minore diagonali ligulato- lanceolato quilongo brevioreve; bracteola ovata breviter bifida: omnes integerrime. Perianthia f. caulino subequilonga, subturbinato-oblonga urceolatave brevi-rostellata compressa, postice bicarinata, antice depressa carinu- lata, apice truncata, carinis celluloso-papulosis apice lato imsigniter quadratis. Andreecia ramulis tenuibus julaceis 6-polyphyllis constantia. E colore lurido, perianthiis truncatis (non autem cornutis), ad Cerato- Lejeuneam certe accedit. Cerato-L. Coarine G. in Syn. Hep. 305, sub- alhinis, distinctissima tamen videtur. 3. PotTaMo-LEJEUNEA RIPARIA, Spruce. Hab. In fluvii Negro superioris ripis, ad truncos riparios inundatos. F-7x'5, 5x35; lob 3x 115; ¢ go—qk; f'* 85x 35, 3x °3; br °65; bri” SOD GOR NGI nt XO noN Rufo-lurida, prostrata, laxe stratificata; caules pollicares rectiusculi per- paulo ramosi, ramis pro more brevibus. Folia subplana parum imbricata, a basi fere ad medium usque complicata, plica recta angulum sub 80° cum caule formante, supra plicam sub- divergentia, subfalcata, oblique late oblonga rotundata repandula integerrima; lobulus 4 folii subeequans subrectangularis vel semi- ovato-rhomboideus parum inflatus, sinu subexciso, apice acuto seepeque in dentem producto; cellule parvulee subguttulate limitibus latis trigonisque pellucidis, nucleo pellucido, granis chlorophyllicis subsparsis raro in annulum rufulum ageregatis: facie fere plane vel convexulee. Foliola subdissita, 4 folium eequantia, suborbiculata, paulo ultra 3 acute bifida, lobis acutis saepe subacuminatis. Fl. dioici: 2 in ramo breviusculo terminales, innovatione brevi simplice parvifolia suffulti. Bracteze foliis vix eequilongee, ad 3} bifidee com- plicatze, lobo ovali obtuso, lobulo lanceolato acuto sazepe lobum fere wequante; bracteola magna ovalis acuta, apice ad 74-4 bifida, seg- mentis acutis plerumque tam contiguis ut bracteola integra videretur raro revera integra, superne angulata v. etiam paucidenticulata. Perianthia parum emersa obovata, apice rotundato brevi-rostellata, sat compressa, antice carinulata, postice bicarinata, carinis omnibus celluloso-suberenulatis. Amenta ¢, in pl. propria, vel ramulum proprium vel rami apicem tenentia; bracteee 4—5-jugee majusculee, cochleato-complicatie, apice brevissime et fere eequaliter bifidee, subimbricatee. L. temnantha, huic omnium proxima, differt flor. monoicis; lobylis foliis 4-plo brevioribus; perianthiis apice tetragono-truncatis, &e. L. polystachya fl: monoicis, @ imnovatione carentibus, ¢ amentis ad caulem creberrimis, perianthio levissimo, carinis apice rotundo- prominulis, &e., differt. Suspcenus XXXII.—CHEILO-LEJEUNEA, §&. Plante humiliores, raro pusillee, nunquam robustze, dense depresso-ciespi- tosee, recentes albidee, virescentes, flavidee vel seepius rufulee, in sicco pA ip, CHEILO-LEJEUNEA. plerumque luride rufescentes, perianthio insigniter rufo, calyptra aurantiaca. Caules prostrati, in aliis speciebus rarius, in aliis fere constanter, ramulis microphyllis pinnulati; caterum vage ramosi vel subpinnati, ramis seepe assurgentibus. Folia subimbricata, nunquam conferta, supra plicam fere semper subfal- cata, patentissima divergentiave, ambitu plus minus semicordato- oblonga, rotundata, rarius obtusa, integerrima vei rarius celluloso- crenulata, seepius papulosa, lobulo turgido’3—4-plo breviore, nunquam obsoleto; cellule parvulee, raro fere minute, convexo-prominul, ambitu e chlorophyllo late opace, pariete ad angulos precipue pellucido. Foliola folii }-} equantia, subrotunda, ad medium usque bifida, seginen- tis acutis, integerrima angulatave. : Flores monoici vel dioici.* Rami ? in plerisque breves longioresve sim- plicissimi, nunquam innovantes; in paucis innovatione simplice (raro prolifera) aucti. Bracteze libere distiche divergentes falcatee concave (parum complicate) integerrime, ad 4 bilobz, lobo fere semper rotundato, lobulo multo angustiore acutu; bracteola anguste subovalis breviter bifida seepeve integra. Perianthia late pyriformia sat compressa 4—5-carinata, carinis posticis pro more humilibus demum obsoletis vel in unam latam fere conflu- entibus, ore bilabiatim rupta, rostello brevi vel plane nullo. Andreecia varie posita—haud raro in ipso caule v. in ramo primario ter- minalia—brevia longiorave ; bracteis majusculis turgidis. Hab. In arborum preecipue ripariarum cortice, raro in truncis prostratis, nunquam in foliis vivis, haud raro autem supra muscos reptantes; per planitiem sylvaticam ubique obviz, in montibus semel visz. Distr. Ad fl. Amazonum ejusque tributarios (precipue boreales) 10 species inveni (8? novas); quarum unica in Andes Peruvianos humiliores ad 1200™ ascendit. Alize species, jam antea descripte, omnes (ut videtur) neotropice sunt, a Mexico ad Brasiliam vigentes, in Antillis rariores, quarum nominare liceat L. confluens Ldnbg., L. xanthophylla Ldnbg., L. adnata Kze., L. parvistipula L.et G., L. Magnolie L. et G. ? L. Melastomatis L. et G., ? L. lurida Ldubg.—L. duriuscula Nees, e Guiana, et L. phyllobola Mont. ex ins. Cuba, etiam in sylva Amazonica legi. A. Flores 2 tnnovatione nulla suffulti. (§ HAPLOCLADA). a. Monoice. 1. Cheilo-L. aneogyna. Albida flavescensve subramosa, aliis ramis seepe microphyllis. F. subimbricata divergentia subfalcata semiovato- oblonga rotundato-truncata, lobulo 4-5-plo minore inflato, cellulis parvis subplanis. Foliola f. 4-5-plo minora ad } bifida. Ramus ? brevissimus v. elongatus, simplex. Br. foliis majores, lobo obtuso; bracteola ovali-ligulata bidentula integrave. Per. obcordato-turbi- nata compressa postice obtuse bicarinata, demum fere leevia apiceque bivalvia. Andr. varie posita, bracteis 4-6-jugis. 2. Cheilo-L. roseo-alba. A pr. distincta statura majore, ramis sepe elongatis neque microphyllis ; f. semicordato-oblongis, lobulo 3 folium fere zequante planiusculo; foliolis duplo majoribus; bracteola anguste oblonga bifida; perianthiis pyriformibus longirostribus. Co CHEILO-LEJEUNEA. 25 b. Dioice. b,. Foliola foliis subduplo minora. 3. Cheilo-L. Panurensis. Majuscula lurido-viridis prostrata. F. conferti- uscula subdivergenti-faleata oblonga rotundata papulosa, lobulo 4- plo breviore inflato. Foliola } folio longiora rhombeo-rotunda fere ad 4 bifida. Andr, medig caule posita. 4, Cheilo-L. assurgens. Pusilla pallida rufulave, caule prostrato, ramis ' assurgentibus breviusculis. F. subimbricata patentissima falcata oblique oblonga rotundata sublevia, margine postico concavo ad plicam tamen recto et subhorizontali, lobulo prioris. Foliola f. duplo breviora subrotunda ad } bifida, superiora submajora seepe angulata. Br. 9 f. fere duplo longiores, ad 2 bifida: bracteola obovato- lanceolata ad + bifida. Per... . 5. Cheilo-L. heteroclada. Grandiuscula albida et rufo-badia tenera pro- strata vage ramosa seepeque ramulis microphyllis pinnulata bipinnu- latave. F. imbricata decurva late semicordato-ovata rotundata ob- tusatave, subrecte complicata, lobulo 3-plo breviore inflato, cellulis parvulis subelongatis. Foliola plus duplo breviora oblato-rotunda fere ad 4 bifida, superiora submajora ad 4-4 fissa. Br. foliis fere 4 longiores, lobo rotundato; bracteola elliptica breviter bifida raro integra. Per. emersa rotundo-pyriformia suberostria sat compressa postice altiuscule bicarinata. b,. Foliola foliis 3-4-plo minora. 6. Cheilo-L. decidua. Mediocris, olivaceo-rufa, vage ramosa, ramis ex parte denudatis. F. decidua subimbricata subfaleata oblique oblonga rotundata sinuato-complicata, lobulo 3-5-plo breviore decurrente saceato. Foliola distantia suborbiculata fere ad 3 acute bifida. Br. foliis minores, lobo rotundato; bracteola oblongo-lanceolata apice cucullato bidentata. Per. emersa obcordato-pyriformia submutica postice obtuse bicarinata demum fere levia. 7. Cheilo-Lejeunea papulosa. Pusilla subrufa ceespitosa, ramis assurgenti- secundis seepe parvifoliis. F. imbricata subplana falcato-divergentia oblique oblonga rotundata insigniter papulosa margineque crenu- lata subrecte complicata, lobulo 3-plo breviore inflato. Foliola fere prioris. Br. foliis fere duplo majores, lobis vix complicatis acutis; bracteola obovato-lanceolata ad 4 bifida. B. Flores 9 innovatione suffultt. (§ NEocuaDa). a. Monoice. 8. Cheilo-L.-nanodes. Minutula czespitosa vage ramosa. F. imbricata concava fere semicircularia abrupte acuta obtusave subpapulosa recte complicata, lobulo subduplo breviore inflato, cellulis fere minutis. Foliola folio 4-plo breviora rotunda vix ad $ bifida. Br. foliis fere duplo majores complicato-concavee breviter bilobze, lobo rotundato ; bracteola ovali-lanceolata ad} bifida. Per. vix emersa late pyriformia subcompressa, antice carinulata, postice 2-carinata. Andr. terminalia brevia, bracteis 3-jugis. b. Dioice. 9, Cheilo-L. phyllobola. Pusilla rufula dense cespitosa, caule subpinna- tim ramoso, ramisque seepe subdenudatis, ramulis raro microphyllis, 254- CHEILO-LEJEUNEA. F. fragilia subimbricata subdivergentia, semicordato-subrotunda repanda subrecte complicata, cellulis minutulis. -Foliola plus duplo breviore late ovalia repandula, vix ad 4 bifida. Br. foliis multo majores; bracteola oblonga brevissime bifida. Per. subemersa late pyriformia valde compressa, carinis posticis demum obliteratis. Andr. varie posita, bracteis 5-jugis. 10, Cheilo-Lejeunea duriuseula, Pr. similis, robustior, sordide flavida. F. subimbricata patula fornicata semicordato-oblonga angulata sinu- ato-complicata, lobulo 4-5-plo breviore turgido, cellulis subparvis. Foliola f. 2-3-plo breviora, superiora increscentia, late ovalia fere ad 3 bifida. Br. foliis vix longiores; bracteola oblonga ad }-4 bifida. Per. late pyriformia compressa, carinis lateralibus posticisque altis. Andr. terminalia, bracteis 3-jugis. 1, CHEILO-LEJEUNEA ANEOGYNA, Spruce. Hab. Ad fl. Negro, Uaupés et Casiquari, sat frequens in cortice vetusto. F 6x45, 55x 4; lob *1--13; ¢ py—ps3 fl 15x ‘125, 125x +125; dr 6-7; br'* 4x15; per 8x °5, ‘65 x 5™™, . Albida, pallide viridis flavescensve, arcte adrepens et in stratum tenue effusa. Caules $—1-pollicares tenues flaccidi, vel paralleli pauciramei, vel intricate ramosi, aliis ramis seepe microphyllis. Folia subimbricata divergentia, seepe subfalcata, late dimidiato-ovato- oblonga, rotundato-truncata, v. subrotunda, repandula, subrecte com- plicata; lobulus folio 4-5-plo brevior ovato-rhomboideus inflatus, margine incurvo, apice truncato-acuto; cellule parvule subplane, ambitu late opacee, pariete ad angulos incrassato. Foliola distantia, subrotunda v. rhombeo-rotunda, foliis 4-5-plo minora (superiora tamen increscentia) ad 4 usque acute bifide, segmentis subacutis. Flores monoici: 9 in ramo brevissimo longioreve—raro in ipso caule— terminales, sine ulla innovatione. Bracteze foliis submajores distiche patule decurvee profunde bilobee, lobo semiovali obtusato raro sub- acuto, lobulo parvo lineari subulatove; bracteola longe brevior ovali- ligulata apice bidentata vel integra obtusataque. Perianthia subemersa rotundo-vel szepius obcordato-turbinata brevissime rostellata, sat compressa, antice convexula, postice obtuse bicarinata Vv. seepissime carinis in unam latam subconfluentibus, levibus vel subpapulosis, demum bilabiata, labio postico interdum fisso. Calyp- tra parva perianthio duplo brevior, demum apice 3-loba. Andreecia in ipso caule vel in ramo terminalia, raro ramulum lateralem sistentia, linearia; bracteze 4-8-jugze laxiusculz ventricoso-saccate, f. caulinis duplo breviores. Var. subsessilis, caule seepe subsimplice, andreeciis fere constanter in caulis apice positis, floribus 9 ramulo brevissimo constantibus.—S. Gabriel. Riv. Cauapuna. Var, macroclada, caule ramosiore, andreeciis ramigenis, floribus 9 in ramo plus minus elongato terminalibus.—S. Gabriel. Fl. Uaupés et Casi- quiart. 2. CHEILO-LEJEUNEA ROSEO- ALBA, Spruce. Hab. In sylva Amazonica, ad fl. Cacpuré, in palmarum truncis. EF 8x55, 7x ‘5, lob 3x°1, ¢ dy; f -35.x 355 br* 5x 25 pen 75x 5, Deon CHEILO-LEJEUNEA. 255 Prostrata seepeque in orbem supra matricem radiata, albo-viridis, in ambitu interdum roseo tincta. Canles semipollicares vage ramosi implexi, ramis valde inequilongis, aliis flexuosis polyphyllis, raro apice, rarissime tota longitudine, attenuatis parvifoliisque. Folia subimbricata, angulo recto divergentia, oblique subsemicordato- oblonga, apice decurvulo rotundata vel subtruncata, a basi ad medium fere usque complicata; lobulus lineari-rhomboideus, margine paulo incurvo, sinu exciso, apice acuto; cellule parvule, ambitu late opace, centro pellucidee, inferiores sensim majores. Foliola dissita, dimidio folio paulo minora, orbiculata, ad medium fere bifida, sinu lato triangulari segmentisque acutis. Flores monoici: 9 in ramulo, seepe brevissimo diphyllo, nunquam inno- vante, terminales. Bracteze foliis dimidio minores, ultra medium bilobee, lobo acinaciformi-oblongo rotundato incurvulo, lobulo lineari- lingueeformi acuto; bracteola lanceolato-oblonga breviter (ad 45-4) emarginato-bifida. Perianthia paulo emersa, pyriformia longirostria compressa, antice con- vexa, postice convexa et supra medium bicarinulata, demum (fructu magno repleta) turgida lzvissima, capsul& emissa, bilabiata, labio postico raro apice fisso. Andreecia varie posita, vel in medio caule ramove, vel in ramuli basi apiceve; bracteze foliis consecutive, vix minores, 4—6-jugee turgidee. A Cheilo-L. aneogyna distat statura majore; foliis submajoribus basi cordatis; lobuli foliolaque 2-plo vel fere 3-plo longioribus; ramis ? semper brevissimis; perianthiis longirostribus. L. leucophylla Lindenb. (Syn.Hep. 369) differt foliis subrotundis; foliolis foliis 3-4-plo minoribus; perianthiis acute 5-angulis. L. contiqgua Nees, subaftinis, distincta est foliis confertissimis et peri- anthiis subzequaliter 5-carinatis, necnon ramis @ proliferis. 3. CHETLO-LEJEUNEA PANURENSIS, Spruce. Hab. Panuré, fl. Uawpés, in truncis prostratis. F -65 x °4, lob 15; ¢ A; f@ 35 x -35™™, Lurido-viridis, prostrata. Caules 1-—2-pollicares, parum ramosi; alii rami ex p. parvifolii. Folia 4-3 lat. imbricata—inferiora interdum conferta—basi (ad lobuli apicem usque) fere horizontalia parum ascendentia, dein divergentia, subfalcato-oblonga, antice semicordata, facie papulosa, margine re- panda subcrenulata, apice subfornicata vel fere plana; lobulus plus 4-plo brevior convoluto-inflatus ovoideo-oblongus acutus; cellule parvule, ad angulos incrassate, intus sinuate annulo opaco latius- culo cinctz, subconformes, guttulate, convexo-prominule. Foliola vix duplo minora, imbricata, rhombeo-rotunda, fere ad 3 bifida, sinu segmentisque subacutis. Wdioler Sn. Andreecia in medio caule ramove posita; bracteze sub 4-jugee majuscule turgidee. Foliis majoribus, magis elongatis, papulosis, et foliolis majoribus imbri- catis, a L. heteroclada 8. differt. 256 CHEILO-LEJEUNEA. 4, CHEILO-LEJEUNEA ASSURGENS, Spruce. Hab. San Carlos del Rio Negro, in cortice. F -4x°3, lob “1, ¢ Ayj br “75, brie 55 x25; fl -2x 2, 2x -Q5mm, Pusilla pallescens rufulave depresso-czespitosa; caules 3-4 pollicares pro- strati, inequaliter subbipinnati, ramis assurgentibus pro more brevibus paucifoliis, aliis parvifoliis. Folia perpaulo imbricata patentissima falcata oblique oblonga rotundata, basi antic aliquando semicordata, margine postico concava ab apice ad lobuli sinum usque, dein complicata, plicd recta et vel horizontali vel parum decurrente; lobulus folio 4-plo brevior rhomboideus in- curvo-inflatus (exinde subovoideus), margine apiceque (subacuto) plerumque conspicuis; cellule parvee medio pellucide ambitu opace, guttulate, subelongatz, pauce suprabasales nonnunquam (nec semper) duplo longiores quam late, omnes subplane. Foliola dissita, foliis duplo breviora, subrotunda, ad medium usque bifida, sinu subobtuso depresso, segmentis acutis, superiora (versus fl. 2 ) sub- majora seepeque angulata. . Fl. dioici: 2 in ramo brevi longioreve terminales. Bractez distiche falcato-patulz, foliis fere duplo longiores, obovato-oblonge rotunde, ad % bifidee (nee semper complicate), lobulo lineari lingueeformive subacuto; bracteola obovato-lanceolata ad 1 bifida, segmentis con- tiguis subacutis, seepe in fl, sterili convolutiva. Perianthia .... L. papulosa differt foliis margine postico recto v. subconvexo, facie mar- gineque papulosis, lobulo submajore saccato; foliolis duplo minori- bus, ete. 5. CHEILO-LEJEUNEA HETEROCLADA, Spruce. Hab. Ad fl. Negro juxta S. Gabriel, S. Carlos, ete., etiam ad fl. Caipurt fluvio Trombetas affluentem, in truncis preecipue inundatis. F 55x45, lob “15-2, ¢ de; fle 2x25, -25x-3, -28x 34; br -75; bra *6x°35; per "7x °5; amenta g 6 x°45™™, Grandiuscula, albida et rufo-badia tenera; caules bipollicares radicellis fasciatis arcte adrepentes, vage ramosi seepeque ramulis microphyllis pinnati et. bipinnulati. Folia subimbricata (ad 4—rarissime ad } lat. usque), decurva, obscure falcata, late semicordato-ovata rotundata—raro solum oblique obtusa —repanda, subrecte complicata; lobulus sub 3-plo brevior ovato- rhomboideus, inflatus acutus; cellule parvule paulo elongate con- vexulz subconformes, intus flexuose, ambitu late opace, pariete ad angulos subincrassato. Foliola inferiora subdissita foliis fere 3-plo breviora oblato-rotunda sub- angulata ad } fere bifida, superiora vix 2-plo breviora ad 3-+ solum bifida, segmentis subacutis. Flores dioici: @ terminales in ramo brevissimo—raro longiore vel in caulis ipso apice, innovatione nulla suffulti. Bracteze foliis dimidio fere longiores, patentissimze vel falcato-divergentes ligulato-oblonge- obovateeve obtusee vel rotundate, vix ad 4 bifidee, lobulo ligulato duplo fere angustiore apice lanceolato subacuto; bracteola elliptica subplana ad } bifida—in fl. fertili brevissime bifida, interdum integra —segmentis contiguis acutis. CHEILO-LEJEUNEA. 257 Perianthia foliis duplo fere longiora, late pyriformia—interdum sub- rotunda—erostria, sat compressa, antice carinulata, postice altiuscule bicarinata subleevissima. Andreecia ovato-oblonga, vel ramulo toto vel ejus apice solo constantia; bracteze 3-5-jugee majuscule turgid subzequilobee. Var. subandina Spruce.—In M. Campana, alt. 1200™, ad cortices; etiam super Cerro Pelado, alt. 600™, in saxis. F 6x ‘5, 5x‘4; lob -1-125; c¢ 3; f'* 25x ‘35, 3x ‘38; per °8 (1°2) x 55mm, Caules bipinnati, ramis inzquilongis, plurimis microphyllis. Folia sub- divergentia semicordato-ovato-rotunda, lobulo 5-plo fere breviore interdum breviapiculato ; cellule folii marginem versus multo minores. Foliola ad 4 bifida, sinu segmentisque obtusis. Peri- anthia rufa, alte carinata, demum elongata et quasi-stipitata, bi- labiata. Calyptra perianthio sat brevior, pyriformis.—Forsan pro specie propria habenda. 6. CHEILO-LEJEUNEA DECIDUA, Spruce. Hab. Ad fluvium Caipura, fl. Trombetas affluentem, flum. Amazonum tributarium, in cortice. F'"7 x5, -45 x 35, lob -125, ¢ a; f'*-15x°18; br 5-6; br’ “5 x -25; per "75 x ‘5; caps *°3™™, Mediocris, ex olivaceo-viridi subrufa. Caules pollicares prostrati flexuosi rigidiusculi (viminei) vage ramosi, ramis assurgentibus flexuosis, seepe e foliis deciduissimis plus minus denudatis. Folia paulo (ad 7 lat.) imbricata decurvula paruim falcata, oblique oblonga rotundata, basi antica amplata non autem semicordata, postica sinuato-complicata; lobulus folio 3-5-plo brevior triqueter saccatus, ad plicam rectus (f. rameorum tamen semiovatus inflatus, plicé sub- convexa), apice acuto seepius occulto; cellule mediocres equilaterali- hexagon, ambitu late opace, pariete ad angulos incrassato, folii marginem anticum apicemque versus multo minores. Folia ramea seepissime decidua, vel eorum lobulo solo persistente. Foliola distantia, foliis 3-4-plo minora, suborbiculata, ad 4 fere bifida, sinu segmentisque acutis. Flores dioici: 9 in ramulo brevissimo cauligeno terminales, innovatione nulla suffulti. Bracteze foliis minores subfalcato-patule semioblongee rotundatz, ad 4 long. bifida, complicatee vel non, lobulo lineari- lanceolato-acuto; bracteola oblongo-obovatove-lanceolata, apice bre- vissime fisso rotundata seepeque cucullata. Perianthia foliis caulinis sublongiora, flavida, opaca, fragilia, obcordato- pyriformia-cuneatave valde compressa, mutica vel solum minute umbonulata, antice subdepressa, postice obtuse bicarinata, fructu egresso turgida, carinis fere obliteratis, ore bilabiata. Calyptra duplo fere brevior rufa sessilis pyriformis. Capsula globosa haud alte emersa. Cheilo-L. phyllobola, foliis deciduis nostrz analoga, ramo fcemineo inno- vato, etc. longe distat. L. lurida Lindenb. (Syn. Hep. 379) pluribus notis conformis, differt foliolis obovatis profunde bifidis, praecipneque florescentia monoica. L. heteroclada S. aliis ramis microphyllis; foliis persistentibus brevioribus late semicordato-ovatis; foliolis superioribus multo majoribus breviter fissis; bracteis magnis; perianthiis postice alti- uscule bicarinatis, distincta est. TRANS, BOT. SOC. EDIN. VOL, XY, 2K = 258 CHEILO-LEJEUNEA. 7. CuEtLo-LEJEUNEA PAPULOSA, Spruce. Hab. Manédos, ad fl. Negro ostia, in cortice. F -35 x ‘25, lob 12, ¢ 35; f'* 08 x °08, “1 x -1™™. Pusilla subrufa cespitosa. Caules }-pollicares prostrati subpinnatim ramosi, ramis assurgenti-secundis, pluribus plus minus parvifoliis fragilibusque. Folia imbricata subfalcato-divergentia subplana oblique oblonga rotun- data celluloso-crenulata subrecte complicata; lobulus 3-plo brevior ovato-rhombeus inflatus subsaccatus, apice incurvulo acuto; cellule parvee opacze—solum centro pellucidee—papuloso-prominule scaberu- leeque, pariete subincrassato. Foliola distantia, foliis 4-plo minora, orbiculata, ad medium usque bifida, segmentis subacutis. Flores dioici: @ in ramo pro more brevi terminales—szepe ramulo hine vel utrinque, distante tamen neque bractez adnato, suffulti. Bractez (fl. sterilis) foliis duplo fere majores, divergentes, apice incurvo- cucullate, fere ad 4 bifidz, lobulis vix complicatis conniventibus acutis, postico multo angustiore, bracteola obovato-lanceolata ad 4 bifida. Obs. What seem to be innovations are not such, for they are not adnate to the bracts, and indeed arise from the outer base of the leaves next below the bracts. They are either solitary (unilateral) or a pair (opposite), and sometimes are altogether wanting. 8. CHEILO-LEJEUNEA NANODES, Spruce. Hab. Santarem, fl. Amazonum, in cortice. F -95.x ‘18, lob “1-125; 6 &g; f@ 07x 07; br.t. -4x Ba; bee oee ie: pen 2X3. Pusilla—fere minuta—badia depresso-ceespitosa. Caules j-pollicares vage ramosi, ramis arcuatis, seepe superne sensim parvifolis. Folia imbricata assurgentia concava semiovata v. fere semicircularia abrupte acuta obtusave, raro rotundata, repandula, facie subpapulosa, recte complicata; lobulus 4 folio fere zquilongus subtransversus, inflatus oblongo-ovoideus, margine interno latiusculo quasi-truncato, apice brevi-dentiformi; cellule subminutz, subconvexule, intus annulo opaco cincte, parietibus perpaulo incrassatis. Foliola minuta foliis fere 4-plo brevior rotunda vix ad 4 bifida, segmentis subacutis. Flores monoici (rari): ¢ in ramo terminales, innovatione interdum pro- lifero suffulti. Bracteze foliis fere 2-plo minores, distiche patule, vix decurvee, concave complicate breviter bilobe, lobo oblique obovato subrotundato, lobulo angusto lineari acuto; bracteola ovali- lanceolata, ad 4 bifida, segmentis subacutis. Perianthia bracteis zequilonga, luride rufa, late pyriformia, brevi-rostellata, subcompressa, antice apice carinulata, postice 2-carinata, carinis sub- leevissimis, demum bilabiata. Andreecia ramum terminantia; bractez 3-jugee foliis equimagne turgid subzequilobe. AL. phyllobola et duriuscula certe differt floresc. monoica czeterisque CHEILO-LEJEUNEA. 259 caracteribus; a L. parvistipula L. et G. (e Mexico) caule foliisque duplo fere minoribus, foliis subdimidiatis seepe acutis, bracteis obtusissimis. L. discoidea L. et L.! (ex ins. S. Vincentis, hb. Hook.) nostra statura pusilla etc. sat similis, differt foliis dimidiato-ovato-oblongis, lobulo folio 4-plo minore, cellulis solum parvis; foliolis } folium equantibus ad }- solum bifidis; demum perianthio turbinato-globoso argute 5-carinato,— L. myriantha N. et M. (e Guiana Gallica) folia habet orbiculata toto fere longitudine complicata ; foliola submajora breviter fissa, et perianthia obcordata acute pentagona. 9. CuEtLo-LEJEUNEA PHYLLOBOLA, Mont. Hab. Ad fl. Amazonum, in cortice, minus frequens quam L. duriuseula. F °35 x ‘25, 35 x ‘3, 88 x ‘35; lob +1; ¢ A.—gh; (f' +15 x 1255) br °6; br’* 55 x 33; per ‘7 x ‘4; andr ‘65™™, Pusilla pallide rufula, dense depresso-czespitosa. Caules subpollicares vage v. subpinnatim ramosi, flexuosi, seepe foliorum lobis majoribus deciduis subdenudati, ramulis raro microphyllis. Folia fragilia quasi-vitrea apice subscariosa, parum imbricata, subdiver- gentia seepeque assurgenti-recurvula, subsemicordata, rotunda vel late oblonga et rotundata, celluloso-repanda, subrecte complicata ; lobulus vix 4-plo brevior ovatus subsaccatus apice brevi incurvo; cellulee minutulz subconformes pulchre guttulatee, centro ovali- globose pellucida, annulo opaco eadem forma vel leniter 6- sinuato in peripheria, pariete pellucido ad angulos incrassato. Foliola dissita, foliis plus duplo breviora, late ovalia v. rhombeo-ro- tunda, vix ad $ usque acute bifida, repandula, segmentis patulis obtusis, acutis v. subapiculatis. Flores dioici: fl. @ in ramo brevi, vel in ipso caule, terminales, inno- vatione (seepe prolifera) suffulti. Bracteze foliis multo majores late distiche patule, vix ad $ complicato-bilobee, lobo semiovali obtusato, lobulo multo angustiore lineari v. rhomboideo; bracteola oblonga solum ad } (in fl. sterili ad $) emarginato-bifida, sinu segmentisque subacutis. Perianthia foliis caulinis duplo longiora assurgenti-recurva rufula late pyriformia valde compressa, antice l-carinulata postice bicarinata, carinis posticis humilibus demum fere obliteratis, fructu egresso bilabiata, rostellata, levissima. Calyptra rufa, perianthio sub- brevior. Amenta ¢ sepius in rami apice terminalia, quin etiam medio caule proveniunt, turgide spicata folio caulino subduplo longiora; bractez 5-jugee majuscule cymbiformi-complicate ultra medium bifide, segmentis obtusatis erosulis. Var. turgidila §., paulo robustior, foliis submajoribus vix unquam caducis, lobulo submajore; bracteis (altera saltem) acutis; bracteola addy. fere ad 4 bifida, segmentis subacuminatis; perianthio viridi turgescenti-pyriformi, primum compresso et humiliter 4~5-gono, demum inflato fere tereti, post capsulam emersam raro bilabiato, apice autem 3-5-valvi.—Hab. prope Para. 10, CHEILO-LEJEUNEA DURIUSCULA, Nees. in Syn. Hep. p. 364. Hab. In sylva Amazonica, precipue versus fluminis ostia, ad Para, 260 CHEILO-LEJEUNEA: Caript, ete., ad fluvios Aripecurt et Caipura ti: Trombetas affiuentes, in cortice, seepe Plagiochilas et muscos intestans; ad fl. Negro rarius. Etiam in Guiana (CuRIE; LEPRIEUR). F 6x °-4, -45 x 38; lob 125; ¢ A; f'* 3x25, -2x°2; br S65 bree 35; per 8 x “5mm, Pallide sordide viridis flavidave, siccando seepe subrufa badiave, parum odorata, in tegeticulas latas densas prostrata. Caules 1—-1}-polli- cares flexuosi rigiduli, subpinnatim ramosi,ramis sparsis ineequilongis, aliis (vel in toto vel ex parte) parvifoliis, Folia subimbricata patula fornicato-decurva suboblique semicordato- oblonga subrotundave, rotundata, angulata vix obscure crenulata, sinuato-complicata; lobulus 4-5-plo brevior turgide ovatus, apice incurvo brevi acuto; cellule subparve, submarginales multo minores, subelongate (inferiores preecipue) guttulate convexule, pariete incrassato, medio pellucide, ambitu late opace. Foliola dissita vel subcontigua, foliis 2-3-plo breviora, superiora sensim majora, late ovalia rotundave, fere ad 4 bifida simu pro more an- gusto segmentisque acutis. Flores dioici: @ in ramo terminales, innovatione (seepe microphylla) suffulti. Bracteee foliis subeequilonge distiche subfalcatee oblique oblong rotundatee—altera rarius acuta—ultra medium bilobe, lobulo} vario, angusto, seepe lineari-ligulato; bracteola oblonga ovalisve convolutiva ad 4-4 bifida, segmentis acutis incurvo-conniventibus. Perianthia subemersa rufescentia late pyriformia at compressa, apice rotundato-truncato retusulove rostellata, 5-carinata, carinis posticis lateralibusque altis leevibus, demum bilabiata. Andreecia in planta propria ad ramos terminalia; bracteze majusculee sub 3-juge. Planta e fl. Aripecuru bracteas habet longiores lanceolatas, alteram acutam acuminulatamve. Alterae fl. Caipuru, floribunda, foliis plani- oribus, bracteole segmentis obtusis, a typo parum discrepat. Suspeenus XXXIIJ.—HU-LEJEUNEA, 8. Plantze mediocres vel pusille, tenelle—nunquam magne nec robustee— leete, pallide v. flavo-virides, albicantesve, raro subolivaceze, nun- quam (nisi raro ad perianthia) rufee, siceando parum mutate flavi- deeve, strato tenui v. densiore late repentes, raro ex p. assurgentes, Caules tenuiusculi pro more pallidi fragiles, pinnati vel vagi, rarius ex parte dichotomi. Folia majuscula parvave *35-9™™ (in plerisque ‘56-"7™™.) longa, paulo (nunquam dense) imbricata v. dissita, subplana, in paucis concaya, basi plus minus dilatataé longitudinalique inserta, ovata ovaliave, rarius subrotunda, raro basi semicordata, apice obtusa rotundatave, rarius acuta, Vix unquam acuminata, integerrima v. in paucis e cellu- lis marginalibus prominulis subcrenulata, recte v. subsinuato-com- plicata, lobulo seepe parvo, v. in sp. pusillis obsoleto, in perpaucis + folium equante superanteve, inflato, in paucis subplano; cellula medize pro more mediocres (345-34,™™) rarius parve v. fere minu- tule, rarissime majuscule, omnes subconformes, subplane, raro Tass: ee par + truct. uF t ‘ Uy . 5 GMassee adnat, del. E Carter sc. ‘Mintern Bros amp. 7 on : EULEJEUNEA IN UNDATA var FONTINALOIDES. : Eu-LEJEUNEA. 26] papuloso-(nunquam conico-) prominulie, leptodermes, trigonis per- parvis nullisve, chlorophyllo parco. Foliola foliis 2-3-plo—in sp. pusillis 4-7-plo—minora, raro majuscula, in nulla foliis ipsis equimagna, subrotunda vel late ovalia, raro subangustiora, fere v. usque ad 4 bifida—in paucis sp. ad # usque —laciniis ovatis lanceolatisve perraro subulatis, pro more subacutis, nunquam late obtusatis, integerrima v. rarissime utrinque 1-dentata. Haustoria fascize-vel scopze-formia. Flores in plurimis monoici, in paucis dioici: $Y in ramo, raro in ipso caule, terminales, innovatione simplice, v. (aliarum specierum) pro- lifera, suffulti, raro dichotomiales. Bractez foliis subeequilonge. angustiores, suberectze—nec decurvo-hamate nec distiche patentissima: —integerrimee, pro more lobulatz, lobulo,parvo, raro nullo; bracteol: sepissime libera, angusta—2-3-plo longior quam lata—in perpaucis fere tam lata quam longa—apice brevissime vy. ad 4 bifida. Perianthia *35-1:1™™ longa, plerumque emersa, plus minus pyriformia obovatave, rostellata, paulo compressa—in perpaucis magis com- pressa apiceque obcordata, 5-carinata, carinis raro peracutis, in ple- risque lzevissimis, in paucis subtuberculosis. Andrcecia perseepe ramulo tenui cauligeno constantia, rarius in ramo terminalia; bracteze pauci-raro pluri-jugee, parve, in paucis sp. majusculz, in nulla foliis equimagnee, diandre. Hab., in zona tropica fere semper arborea, raro rupestris, seepe in foliis vivis, palmarum preecipue, et in filicibus, haud in truncis putridis nisi supra alias hepaticas et muscos; in zonis temperatis autem perseepe ru- pestris, nunquam foliicola. Distr. In America xquatoriali 30 species (plerasque novas) legi, quarum 11Megalostipas, omnes montanas vel etiam subalpinas, in Andi- bus inter 1500 et 3500™ alt. crescentes, preter Hu.-L. flava Sw., species per totam planitiem sylvaticam dispersa, in Audibus nullibi ad 1500™ usque ascendens. Microstipe erant 6 species, quarum 4 in planitie solum observavi, czteree 2 in Andium radicibus alt. 500™ vix attingentes ; Planilobe 7 species, quarum 2 in Andibus, ad alt. 2200™ usque, supra suffrutices vigebant; czeterze solum in planitie, truncos vetustos et filices diligentes, earum una, Hu-L. inundata n. sp., cum ejus var. fontinaloides, ad arborum truncos ramosque fluviorum Negro et Uaupés irrigatos, seepe barbam pendulam sistens, Hydropogon fontinaloides Hook. fluvio- rum vicinorum Casiquiari et Orinoco simulans. Cardianthe speciebus sub 6 constabant, omnes in planitie Amazonica vigentes, una sola etiam in Andium radicibus vix supra 500™ alt. visa fuit. Eu-L. serpyllifolia, cum varietatibus suis in hemisphera boreali late dispersa, “ cosmopolitana” ab auctoribus dicta, in America equatoriali mihi nullibi obvia fuit. Specimina tropico-asiatica in herb. Hook. sub nom. L. serpyllifolie asservata, L. flave var. (=L. thymifolia N.) ex p. videntur. Species 3 v. 4, L. serpyllifoliw arcte attines, in Europa et America boreali temperata crescunt, inclusa L. flava, extra tropicos solum ad Killarney Hiberniz inventa.—Aliz plurime Eu-Lejewnee in libris de- cripte sunt, maxima parte America tropica indigen, pauce African, Indice, Malayan vel Australasicze. Subgenus in 4 sectiones, sequente modo distinguendas, dividendum: 262 Evu-LEJEUNEA. * Per, parum compressa distincte 5-carinata, apice rotundata retusar- (neque obcordat«a). + Folia lobulo inflato. § 1. MecaLostTip&, foliolis $ folium subequantibus, in paucis majoribus minortbusve, subrotundis, ad 4-4 bifidis. Pl. seepe elatiuscule. F. rotun- data obtusave, in perpaucis acuta. § 2. MicrostipZ, foliolis foliis 3-8-plo minoribus, sepe subcuneatis, raro Sere rotundis, semper ultra medium bifidis, in paucis fere bipartitis. PI. omnes pusillee. tt Folia lobulo subplano apice sepe subulato, interdum ad dentem planum Jere redacto, in paucis obsoleto. § 3. Puanitop#. PI. plurime pusille tenerrime, interdum elon- gatee. ** Per, sat compressa carinis 2 posticis humilibus carinuld anticd sepe subnulld, apice obcordata. § 4. CARDIANTH. PI. pusillee mediocresve. F. lobulo parvo nullove. Foliola parva, in unica sp. majuscula. § 1. MEGALOSTIPA. A. Fl. monoitci. Folia rotundata obtusatave. 1. Hu-L. megalostipa. F. late semicordato-ovata subpapulosa, lobulo magno 4% fol. excedente; c. g,—4™™ diam. Folivla foliis paulo minora fere ad 4 bifida, segmentis subacutis. Bracteola bracteis sub- connata ad } bifida. Per. subemersa obovato-pyriformia tenui- rostria alte 5-carinata. Andr. polyphylla. 2. Eu-L. cyathophora. Pusilla. F. ovata rotundata raro subacuta, lobulo duplo breviore; ¢. 3y™™. Foliola foliis vix duplo minora ad ¢ bifida, segmentis subobtusis. Bracteola obovato-oblonga ad $ bifida. Per. emersa obovata ecarinata, rostello turbinato insigni. Andr. oligo- phylla. [Eu-L. Sinclarii Spruce MS. Majuscula albicans. F. subfornicata pree- late ovata subsemicordata, apice varia, seepe subacuta, raro rotundata, lobulo vix duplo breviore, cell. L. flave. Foliola f. duplo minora subcordato-ovali-rotunda ad 4 bifida, segmentis acutis. Bracteola lanceolata breviter bifida, basi utrinque connata. Per. alte emersa pyriformia, alte argute 5-carinata.— NV. Zelandia | ; 3. Eu-L. leucophea. Elongata albescens. F. supra lobulum 4-plo brevi- orem divergentia, semicordato-oblonga, c. j4™™. Foliola paulo minora cordato-ovato-rotunda, vix ad 4 bifida, segmentis subacutis. Bracteola obovato-lanceolata vix ad 4 bifida. Per. alte emersa clavato-pyriformia brevi-latirostria compressula superne alte 5-cari- nata. Andr. minuta crebra. 4. Eu-L. flava. Majuscula, albicans flavidave. F. oblonga, rarius ovato- oblonga rotundata, lobulo 3-7-plo minore, c. parvulis. Foliola 2-3-plo minora, superiora increscentia, ad }—-} bifida, segmentis acutis obtusisve. Bracteola cuneato-lanceolata obovatave, ad 4-4 bifida. Per. plus minus emersa pyriformia subcompressa 5-carinata, carinis humilibus subobtusis. {Bu-L. serpyllifolia Dicks. F. obovata vel oblongo-rotunda, rotundata raro solum obtusa, lobulo sub 3-plo (raro solum 2-plo) minore, cell. Eu-LEJEUNEA., 263 mediocribus. Foliola 2--3-plo breviora orbiculata ad 4 bifida, seg- mentis acutis obtusisve. Bracteola cuneato-lanceolata ad 4 L bifida. Per. emersa obovata v. obovato-oblonga compressula acute 6-cari- nata.—Zona temperata boreali. | 5. EHu-L. hebetata. F. majuscula concava semicordato-ovata subpapulosa angulato-repanda, lobulo plus 5-plo breviore, ¢. mediocribus. Foliola plus duplo minora late ovata ultra 4 bifida, segmentis obtu- satis, margine recurvulo crenulato. Bracteola ovali-rotunda ultra 4 bifida. Per. emersa pyriformi-oblonga subcompressa argute 5-cari- nata. 6. Hu-L. leptalea. Elongata tenuis pinnatim ramosa_pellucidissima. Folia decurrentia ovato-oblonga obtusata, lobulo 3-plo breviore inter- dum apiculato, ¢. parvis, inferioribus autem duplo majoribus. Foliola 2-3-plo minora subrotunda ad 4 bifida, segmentis subacutis. Brac- teola ovalis breviter bifida. Per. alte emersa pyriformia humiliter 5-carinata. Hu-L. cochleata. Subolivacea. F. subdissita late semicordato-ovata rotundata, raro obtusa, cochleato-concava, margine postico apiceque recurvula, lobulo vix 3-plo breviore, ¢. parvis subconformibus. Foliola fere 3-plo minora concava, fere ad 4 bifida, segmentis obtusis. Bracteola oblonga vix ad } bifida. Per. pyriformi-obovata alte argute 5-carinata. b. Folia omnia v. pleraque acuta. 8. Hu-L. flagellaris. Elatior laxe bipinnata, ramis apice seepe flagellari- bus. F. concava late semicordato-ovata, superiora subapiculata, inferiora seepe obtusata, lobulo 4-plo breviore, cellulis mediocribus. Foliola duplo breviora orbiculata vix ad 4 bifida, segmentis acutis. Bracteola cuneato-lanceolata fere ad 4 bifida. Per. alte emersa pyti- formia alte 5-carinata. 9. Eu-L.vamulosa. Pusilla, ramulis microphyllis pinnata. F. dimidiato- ovata subacuminata, lobulo 6-plo breviore. Foliola 4 folio longiora ad medium bifida, segmentis subacuminatis. Br. fere cequilobe; bracteola subrotunda ultra 1 bifida, segmentis acuminulatis. Per, alte emersa pyriformia altiuscule 5-carinata, carinis subtuberculosis. B. Flores dioici. [Eu-L. pulvinata L. et Ldng. Pusillaalbida. F. erecto-patentia concay: oblongo-rotunda, lobulo 4-plo breviore. Foliola paulo minora sub- orbiculata ad 3 bifida, segmentis obtusis. Bracteola ovalis ultra 3 bifida. Per. turgide obovata brevirostria humiliter 5-gona.— Brasilia, Perwvia. | 10, Eu-L. cladobola. Pusilla pulvinata pinnata, ramis parvifoliis deciduis. F. subplana ovato-lanceolata obtusata, lobulo 5-plo breviore, c. mediocribus. Foliola paulo breviora ovali-rotunda ad 3 bifida, seg- mentis subcuspidatis. Obs. Lejeuneas alias paucas dioicas legi, facie Hu-Lejewnee preeditas, ob perianthii defectu autem haud certe ad hoc subgenus revocandas. § 2. Microstiem. 11. Hu- L. humefacta. Elongata pinnata, ramis pro m. paucis brevibus, seepe floriferis (¢ vel Q). F. late semiovata rotundata, lobulo fere 264 Eu-LEJEUNEA. 12. 13. 14. 17. 18. 19. 20. 4-plo minore. Foliola fere 4-plo minora subrotunda, segmentis sub- obtusis. Br. foliis breviores, vix ad 4 bifide, paulo inzquilobe; bracteola ligulata ad } bifida. Per. emersa late pyriformia rotundato- truncata subcompressa. Eu-L. filipes. Elongata laxe pinnata. FF. parva ovali-rotunda, lobulo 3-plo breviore interdum obsoleto. Foliola 5-6-plo breviora rotundo-quadrata, segmentis triangularibusacutis. Br. foliis equales, ad 2 bifidee, lobulo paulo angustiore; bracteola lanceolato-ligulata ad 1 bifida. Per. altiuscule emersa pyriformia subretusa subcompressa alte carinata. Ev-L. Carolensis. Tenuissima subramosa. F. late oblonga obova- tave, lobulo 3-4-plo breviore. Foliola 4-plo minora subsquarrosa cuneata, segmentis patulis subulatis basi 3 ¢. latis. Br. foliis sub- zequales, lobulo parvo; bracteola ligulato-oblonga vix ad 4 bifida. Per. emersa anguste pyriformia rotundata longirostria sat compressa. Eu-L. Coffee. Laxe subpinnata. F. subfalcato-oblonga, lobulo obsoleto. Foliola 6-7-plo minora bipartita, segmentis suberectis basi 2 ¢. latis. Br. foliis breviores profunde bifida inzquilobe; bracteola longe lanceolata fere ad } bifida. Per. pyriformia subcom- pressa obtuse carinata. . Eu-L. prorepens. Pinnatim ramosa. F. late ovato-oblonga, lobulo 0. Foliola 4-plo breviora cuneata profunde bifida, segmentis basi 3-4 c. latis. Br. foliis sublongiores, lobulo minuto nullove; bracteola cuneata breviter bifida. Per. subemersa cuneato-obpyramidata com- pressula. . Eu-L. Olidensis. Vage ramosa, F. late ovata rotundata obtusave, elobulata. Foliola 3-plo breviora subrotunda ultra 3 bifida. Br. foliis subminores elobulatz; bracteola cuneato-lanceolata vix ad 3 bifida. Per. subemersa pyriformia subcompressa, carinis apice trun- cato-prominulis. § 3. PLANILOBZ. A. Foliola sepe angustiuscula, profunde bifida. Eu-L. inundata. Tenuis seepe valde elongata, ramulis g¢ et ? crebre pinnulata. F. angusta ligulato-ovalia rotundata, lobulo 2-7-plo breviore cuneato trapezoideove subulato-apiculato. Foliola 3-plo breviora angusta, caule vix latiora, segmentis suberectis subulatis. Br. parvee breviter eequilobe; bracteola ligulata breviter bifida. Per. parvula obovata ab ipsa basi argute 5-carinata, carinis subpapulosis. Eu-L. suffruticola. Tenerrima laxe pinnatim ramosa, ramis 9 inter- dum dichotomis. F. late ovato-oblonga rotundata, lobulo 4-5-plo breviore subquadrato apice ligulato, c. parvulis. Foliola vix duplo breviora ovali-rotunda, segmentis falcato-conniventibus. Br. parvze paulo inzequilobz ; bracteola obovato-lanceolata ad 4 bifida. Per. emersa obovata compressula 5-carinata. Eu-L. solanicola. Pusilla florentissima, pinnatim ramosa, ramis brevi- bus. F. oblonga rotundata, lobulo 3-4-plo breviore rhomboideo apice subulato. Foliola 2-plo breviora ovata, laciniis late subulatis incurvis basi 4c. latis. Br. foliis subminores paulo inzquilobe; bracteola oblongo-cuneata ad 4 bifida. Per. subemersa valde dia- phana subturbinata turgidiuscula acute 5-carinata. Ku-L. Artocarpi. Pusilla, priori similis, diversa foliis late ovatis, Evu-LEJEUNEA. 265 lobulo ovato-quadrato subacuto; foliolis superioribus increscentibus, laciniis lanceolatis basi 6c. latis; bracteis foliis equimagnis, bracteola lanceolato-oblonga; per. alte emerso, obconico-pyriformi, compres- sulo. B. Foliola rotundiora solum ad 4 bifida. 21. Hu-L. setiloba. Pusilla tenella subramosa. F. oblonga obtusata, lobulo minuto ad dentem subulatum 4c. longum fere redacto. Foliola fere 4-plo minora oblonga, segmentis acutis. Br. foliis equi- longee, lobis fere sequilongis, inferiore duplo angustiore; bracteola lanceolato-oblonga ad 4 bifida. Per. subemersa globoso-pyriformia alte 5-carinata. 22. Hu-L. muscicola. Pusilla vage ramosa. F. late ovata subrotundata, plica basali minuta dentem 1-2c. altum proferente. Foliola 6-plo breviora rotunda. Br. foliis breviores parvilobulatze; bracteola ovali- lanceolata brevissime bifida. Per. emersa pyriformi-oblonga 5-cari- nata, carinis subpapulosis. 23. Hu-L. subsessilis. Flaccida tenerrima subpinnata. F. majuscula late ovata abrupte subacuta obtusave obscure crenulata, lobulo subnullo. Foliola 4-5-plo minora. FI. ? in caule fere sessiles, innovatione simplice suffulti. Br. foliis 2-plo minores, lobulo subnullo; brac- teola ligulata apice bidentata. Per. emersa brevi-clavata longirostria 5-carinata, carinis apice truncatis. 24, Eu-L. Tarapotensis, Tenaciuscula, F. majuscula ovato-oblonga sub- falcata, lobulo subnullo. Foliola foliis 4-5-plo minora, Fl. in ramulo brevissimo terminales, innovatione simplice. Br. parve, altera parvilobulata, altera elobulata; bracteola cuneato-oblonga bifida basi utrinque connata. Per. alte emersa, obconico-pyriformia subcompressa brevirostria, carinis apice rotundo-prominulis papu- losis. Br. ¢ monandree. 34. CARDIANTHE. Per. sat compressa, carinis 2 posticis humilibus, carinula antica sepe subnulla, apice obcordata. Pl. pusillee mediocresve, omnes monoice. F. lobulo parvo nullove. Foliola parva, in unica sp. majuscula, A. Foliola rotunda ad 4 bifida. 25. Hu-L. cordiflora. Majuscula. F. late ovato-oblonga rotundata recte complicata, lobulo 4-plo breviore. Foliola vix duplo minora, seg- mentis subobtusis. Per. obcordato-pyramidata sat compressa postice humiliter bicarinata, margine interdum obsolete alata. Andr. cauli- gena, br. 5-jugis. 26. Hu-L. Cauapunensis. Tenella decomposita. F. faleato-oblonga rotun- data subsinuato-complicata, lobulo sub 4-plo breviore. Foliola 4-plo breviora rhombeo-rotunda, segmentis acutis. Bracteola angusta cuneato-lanceolata ad 4 bifida utrinque 1-dentata. Per. magna obcordato-cuneata valde compressa tenuirostria. Andr. terminalia, br. 3-jugis. 27. Hu-L.? siccata. Pusilla vage ramosa. F. semiovata rotundata ob- tusave subpapulosa crenulata, lobulo 5-plo breviore. Foliola 4—6-plo breviora, segmentis subobtusis. Br. perparvee crenulate; bracteola ovalis breviter bifida. Per. alte emersa obovata compressa, apice subtruncata raro subobcordata, carinis papulosis. B. Foliola angustiora ultra 4 bifida. 28, Hu-L, drymophila, F. ovato-oblonga rotundata raro subacuta, lobulo TRANS. BOT. SOC. EDIN. VOL, XV. 21 a 266 Tu-LEJEUNFA. 4-plo breviore nullove. Foliola 3-plo breviora squarrosula ovali- cuneata, segmentis subulatis basi 3-4c. latis. Per. emersa obcordato- cuneata compressa, interdum rudimentarie alata, carinis posticis obtusis demum in unam latam subconfluentibus. 29. Eu-L. orbicularis. Caules in stratum tenuem orbicularem effusi. F. ovato-oblonga rotundata obtusatave, lobulo obsoleto. Foliola 4-plo breviora ovata, segmentis basi 3c. latis. Per. alte emersa pyriformia compressula subretusa (parum obcordata) carinis posticis valde ob- tusis. 30. Eu-L. limbata. Caules sparsi subpinnati. F. oblonga rotundata marginata, lobulo 5-plo breviore nullove, cellulis sat magnis (;™™), submarginalibus plus duplo minoribus. Foliola 3-plo minora ovali- subcuneata, laciniis basi 2-3c. latis. Br. foliis minores. Per. alte emersa triangulari-pyriformia rotundato-retusa sat compressa. 1, Eu-LEJEUNEA MEGALOSTIPA, Spruce. Hab. In M. Guayrapata Andium Quitensium, alt, 3000", cum Lejeunea laxifolia Tay]. in arborum ramulis repens. F -75x°6, 1:05 x °9, lob 4, ¢ §y—-sy; ft 6 x 6; br 8-9; per 1:1 x ‘6™™. Pallida pellucida prostrata. Caules }-1-pollicares tenelli pinnati, in- terdum ramis microphyllis pinnulati. Folia subimbricata late oblique semicordato-ovata, basi antica caulem late transeuntia, apice rotundata raro triangulari-obtusa, facie sub- papulosa, margine obscure crenulata, subsinuato-compliata; lobulus majusculus dimidium folium subexcedens ovatus inflatus, apice libero plerumque involuto; cellule fere minutule equilaterz, 6- (dein 5-8-) gone, solum folii marginem versus subquadratee, limi- tibus pellucidis haud incrassatis, centro pellucida, ambitu latius- cule opacee, papuloso-prominulz. Foliola magna, foliis seepe eequilata paulo breviora, orbiculata vel ovato- orbiculata, ad medium fere usque bifida, segmentis patulis sinuque acutis obtusisve, basi subcordata, margine incurva. Flores monoici: terminales, fere semper dichotomiales, innovationibus (vel altera saltem) iterum floriferis. Bractez foliis subeequilonge complicato-bilobee, lobis obtusis, antico ovato-rhomboideo, postico multo angustiore ligulato; bractecla bracteis basi subconnata spathu- lato-obovata ad 4 anguste bifida. Perianthia foliis sublongiora obovato-pyriformia compressula plicato- 5-carinata rotundato-truncata tenuirostria, carinis vix subpapu- losis. Andreecia ramulo tenui constantia vel ramum terminantia; bractez plurijuge. A ceteris omnibus Eu-Lejeuneis foliolis magnis aliena, Huosmo-Le- jeuneis affinior; ab his tamen diversa aspectu, textura, odoris absentia, foliis grandilobis, ete. Obs. In some stem-leaves of the ordinary size, the lobule is larger and more inflated, and contains two narrow-oval bodies—not anthe- ridia, but pups, either of some minute coleopterous insect or of one of the apide. Those I saw were battered, but I could make out they had rudimentary legs. Eu-LEJEUNEA. 267 2. Ev-LEJEUNFA CYATHOPHORA, Mitt. In Lond. Journ, Bot. (1851). Hab. Pichincha et Tunguragua, alt. 2500-3000", utrinde supra Lejewneam ‘laxifoliam Tayl. repens. EF 6x°4; lob 3; c sea; fl 85x °35; br 65; br’ 55x °3; per 85x °4, rostellum *15™™, Pusilla viridis. Caules 4-pollicares parce vage ramosi. Folia paulo imbricata subplana horizontalia oblique ovata rotundata, raro obtusa subacutave, es integerrima, medio infero subsinu- ato-complicata; lobulus=} folium anguste ovato-fusiformis valde involutus, apice occulto ; cellule: mediocres pellucide leptodermes, chlorophyllo parco ¢ annular. Foliola subcontigua foliis vix duplo minora, subrotunda, ad } bifida, sinu segmentisque obtusis, raro acutis, plana. Flores monoici: Q terminales, innovatione (sepe prolifera) suffulti. Bractez foliis parum longiores oblique ovat obtuse profunde complicato-bifidée, lobulo parvo obliquo ligulato rotundato; bracteola obovato-oblonga ad 3 + bifida, sinu segmentisque acutis. Perianthia emersa “pellucida obovata inflata, ecarinata, ex apice depresso rostellum turbinatum apice minute perforatum proferens. Capsula subglobosa. Andreecia ramulis folio caulino sublongioribus constantia; bractece 3-4- juge. Obs. The cells of the rostellum are ranged vertically, and are trans- versely oblong, becoming wider where the ‘elobos se head of the turbinate rostellum is w jidest, so that the lines formed by their lateral juncture resemble meridians of longitude. The whole apparatus is a miniature copy of the horn, or “ lantern” of Fulgora lanternaria, and becomes cyathiform only when ruptured by the emission of the capsule. 3. Eu-LEJEUNEA LEUCOPH&A, Spruce. Hab. In ramulis ad Rio Verde, fl. Pastasa affluentem, alt. 1500™, EF “75x.°5, lob *1E—2; ¢ 2; f* ,55x°5; br -6; brs “6x °35; (fl. acill. br 1:0; br’* 1:0 x 55) ; per ‘9x 35mm, Albescens, pellucida, tenerrima, prostrata pendulaque. Caules 2-polli- cares flaccidi pinnatim ramosi, ramis pro more brevibus dissitis. Folia subimbricata subplana, basi saccata angulo 45°, a lobuli apicem fere recto, divergentia, oblique semicordato-oblonga—vel-ovato- ovalia, rotundata v. obtusata; lobulus inflatus, folio 4-plo brevior, margine (ex involutione) transverso, apice occulto; cellule parvule, eequaliter subincrassatee, marginem versus multo minores, prope basin majores. Foliola magna, foliis equilata, vix + breviora, profundiuscule cordato- ovato-orbiculata, vix ad } obtuse bifida, segmentis acutis obtusisve. Flores monoici: 2 in ramis terminales, innovatione simplice suffulti, raro dichotomiales. Bractee foliis subminores—floris axillaris tamen majores—profunde bilobse, complicate ; lobis lanceolato- oblongis rotundatis, lobulis multo minoribus aaeeou obtusis v. altero acuto; bracteola oboyato-lanceolata haud al 3 usque bifida, segmentis subacuminatis. 268 Eu-LEJEUNEA. Perianthia alte emersa, clavato-pyriformia, rostello brevi latiusculo ore ‘ subampliato coronata, compressula, superne alte 5-carinata, demum ab apice 4-valvia, valvulis apiculatis, apiculo sublineari cellulas 5 longo, ¢. 2 (apice ipso c. 3) lato. Calyptra paulo brevior pyriformis basi attenuata. Amenta ¢ minuta albida crebra lateralia, f. caulino subduplo breviora, incurvula, late ovoidea, compressa; bracteze 3-5-jugze confertz. Foliis foliolisque magnis, his pro ratione etiam majoribus basique valde distincte cordatis; amentis ¢ semper minutis; perianthiis altius carinatis, rostello latiore, a L. flava certe distincta species videtur. 4, Eu-LEJEUNEA FLAVA (Sw.) Jungermania flava Sw. Prodr. Fl. Ind. Oce., 144. Lejeunea flava G. L. et N. Syn. Hep, 373.—L. thymifolia Nees, Syn. Hep. 372 (pro parte). IIab. In arborum cortice radicibusque, necnon in foliis vivis, rarius in herbis (Aroideis, Musacets, etc.) et filicibus, interdum ad rupes, per sylvam Amazonicam vulgata, in Andium radicibus vix supra 1300™ ascendit. Per Americam tropicam late dispersa, montes tamen altiores effugiens. In India orientali tam continentali quam insulari; etiam in Europa occidentali (Hibernia, prope Kallarney) inventa est. F 6x ‘38, 5 x ‘3, °45 x 35; lob 1-08; c. media .—Ps 5 f* °35 x °3,°3 x *25, 2x2: br ‘85; br’ 6x2; per 12x -4, °75 x "3, “6D x 4mm, Viridis vel albo-viridis, siccando flavida, vel (in var.) albida, siccando immutata vel flavida, tenella, tegeticulam latam densam sistens vel sparsa. Caules 3-2-pollicares vage ramosi vel pinnati, ramis fertilibus monotropo-innovandis vel dichotomis interdum ascen- dentibus. Folia contigua vel subimbricata, ad plicam erecto-patentia dein sub- divergentia oblique oblonga vel ovato-oblonga rotundata concavula basi subdecurrente complicata; lobulus parvus folio 5-7-plo brevior triangulari-saccatus, margine inflexo transverso vel subascendente, apice brevi acuto plerumque occulto, raro obsoletus; cellule parvule subplanz pellucidze, pariete ad angulos subincrassato (vel non), zequi- laterze, inferiores subelongatz. Foliola inferiora minora distantia, superiora majora contigua follis vix duplo breviora ovali-orbiculata orbiculatave—interdum subovata— ad 4, raro ad 4 usque, ab apice bifida, segmentis subobtusis acutisve, vel altero acuto altero breviore obtuso, rima pro more angusta, basi rotundata—raro indistincte cordata. Flores monoici: ¢@ in caule ramove subrecte innovando-prolifero— raro dichotomo—terminales. Bractez foliis subzequilonge vel ma- jores, complicate, ultra ? bilobz, lobis obtusis, antico lanceolato ovalive, postico breviore duplo angustiore ligulato; bracteola angusta cuneato-lanceolata, carinata, ad 4—raro ad 4—hbifida, segmentis acutis. Perianthia viridia, paulo emersa, pyriformia vel pyriformi-oblonga, ex apice rotundato vel solum obtuso brevirostria, compressula, antice depressa medio carinulata, postice subobtuse bicarinata, levia—alia fere eequaliter pentagona; post capsulam emissam szpe basi elongata, Eu-LEJEUNEA, 269 quasi-stipitata. Calyptra tenuis obovata. Capsula ovato-globosa in pedicello longiusculo exserta. Andreecia vel ramulo foliis caulinis breviore, bracteis 3-v. 4-jugis con- stantia; vel in ipso caule ramove terminalia longispica, bracteis - 6-10-jugis laxiusculis turgidis pro more parvulis. Speciei tam late distributee formas innumeras legi, limites tamen inter illas frustra queesivi, plurimis vix pro varietatibus ‘Gneo sensu) habendis. Solum in duas cohortes, sive subspecies, primo visu omnes se divi- dunt, se. 1. flava (typica) ad arborum radices, in truncis vetustis et in rupibus habitans, colore in vivo amcene-vel flavo-viridi, in sicco fere semper flavescente; foliis oblique oblongis, nunquam ‘semicordatis; foliolis raro ultra 4 alt. bifidis, basi rotundatis; bracteola angusta seepe triplo longiore quam lata. 2. albida, in foliis vivis vel supra alias hepaticas reptans, colore tam re- cente quam post siccationem albicante; foliis vel oblongis vel sub- ovatis—basi latioribus interdum semicordatis; foliolis seepe ad dimi- dium usque bifidis basi minus raro subcordatis ; bracteola latiore— vix duplo longiore quam lata. Forme intermediz inveniuntur, que nexum completum inter has duas cohortes preebent.—Ad subsp. euflavam pertinet torma longicaulis, caulibus elongatis subramosis, ramisque parallelis stratificatis plagas latas in scopulorum facie ad fl. Negro cataractas, necnon ad arborum vicinarum pedem, efficiens. Folia dissitiora subfalcata. Andrcecia seepius termi- nalia longispica. Czespites unisexuales adveniunt, alii tamen plantas monoicas cum unisexualibus mixtas monstrant.—Forma dichotoma, flori- bus 2 fere constanter ex innovationum oppositarum furca ortis, crescit in M. Guayrapurina (alt. 900™) et ad S. Carlos fluvii Negro, in corticibus. Huic forme adsunt foliola interdum submajora, $ folium subsuperantia. Forme pusille variis locis vigent; earum una, “ad Caripi prope Para lecta, intermedia est quoad caracteres inter euflavam et albidam.—He omnes formee foliolis gaudent ab apice pro more ad } altitudinis solum bitidis; in eodem czespite tamen seepe adveniunt plantz quarum foliola ad 4 usque fissa sunt.— Planta Hibernica typica est, cum Swartziana originali bene conveniens, quoad colorem flavovirentem, foliola magna ad 5 } fissa, etc. Subsp. albida quoque polymorpha est, formasque plures, inter se parum diversas, induit. Ad fl. Negro, in Muse folio carioso legi formam platy- stipam, foliolis paulo latioribus quam longis (‘3 x -35mm), bracteis foliis caulinis brevioribus. Forma subacutifolia, foliis plerisque (ac in typo) rotundatis obtusatisve, superioribus tamen interdum abrupte subacutis, ceeterum nullo modo a typo diversa, crescit in fl. Negro sylvis super gramina (Parianee sp.) Forma parvi-angustifolia, recens albescens, siccando flav ida, foliolis cordato-orbiculatis, nec aliter a typo diversa, habitat in trunco vetusto ad Caripi prope Para. Obs. As several very distinct species are found in herbaria under the name “ Lejewnea flava” —even Lindenberg having sometimes given a form of the very distinct L. denticulata for it—I add a few diagnostic marks which aay aid in identifying it. Although it runs into. many forms, none of them are widely apart, and scarcely merit being called varieties, The two “subspecies” 1 have described above are better “distinguished by their colour and place of growth than by any structural character ; the 270 Evu-LEJEUNEA. yellowish-green form growing chiefly about the roots of trees and shrubs, on old trunks, and on shaded rocks, not often mixed with other species ; the whitish form almost invariably on living leaves of trees, and even of herbs, where it is often accompanied by other foliicolous Lejeunee. In typical specimens, especially of the subspecies albida, the leaves on the main stem—or, at least, on its lower half—have the lobule decurrent at the fold (which is usually straight—not convex) at an angle of about 45°; and incurrent (or obliquely ascending at the incurved free upper margin, at about the same angle; whence the upper margin of each lobule is in a line with the lower margin (the fold) of the next lobule on the opposite side of the stem, so that the outlines of the lobules form, as it were, a series of W’s, written consecutively across the stem. In the upper leaves of the stem, and in nearly all the branch-leaves, the lobules are more turgid (rounded at the fold), and their upper margin more incurved—more nearly transverse; so that their outlines are not quite continuous with those of the leaves on the opposite side of the stem. In all forms of the species the leaves are obliquely oblong, narrowed at the insertion, then suddenly dilatated at the antical base, but not wider there than at the middle, so that they are rarely to be called somewhal ovate, and still more rarely semicordate. Medial leaf-cells smallish (7-—,™™ in diameter) nearly equal and equi- lateral, tse towards the apex being very slightly smaller and towards the base sfightly elongate; all pellucid, containing little chlorophyll, and he walls very slightly (or not at all) thickened at the angles. rleaves usually cloven to the middle (especially in the subspecies but often to only 4 of their length; the deepest sinuses being acute, the shallowest obtuse: both states occasionally found on the same plant. The segments, mostly subobtuse, are often decidedly acute, and it is common to find the two segments of unequal length—the shorter being obtuse, the longer acute. The largest and best formed underleaves are just half the length of the adjacent leaves—rarely a little longer and never much shorter. Their normal form is orbicular—sometimes slightly lengthened (oval), at others slightly widened (oblate), more rarely sub- ovate. Inflorescence monoicous, the 9 flowers being terminal on the branches, or even on the stem, and subtended by a simple or repeatedly proliferous innovation—or sometimes by a pair of opposite ones. Unisexual plants are not infrequent, but rarely occur apart from normal monoicous ones. Bracts about as long as stem-leaves, in fertile flowers—but sometimes much longer in sterile flowers—complicato-bilobed, with obtuse lobes, the antical lobe lanceolate, the postical only half as wide and usually shorter. Bracteole usually narrow lanceolate—varying to cuneato-lanceolate and obovate, and wider in the white than in the yellow varieties; in fertile flowers it is cloven to about the middle, but in sterile flowers more deeply. Peranth very slightly emersed, green, pyriform, rounded at the apex, and with a rostellum of moderate length, slightly compressed, obtusely bicarinate at the back, and very slightly keeled along the middle of the depressed upper face, all the keels perfectly smooth. After the emission of the capsule, the perianth often becomes enlarged, subclavate, and, as it were, stipitate, by the lengthening of its base. Capsule ovato-globose, on a longish geniculato-articulate pedicel of 12 tiers of cells. Andreecia are either a short ramulus, bearing only 3 or 4 pairs of bracts Eu-LEJEUNEA. Zien —rarely more; or are terminal on the br and are then often elongate, having 10 or more pairs of smallish laxly- unbricated diandrous bracts. The chief variations of L. flava are already indicated above. The Irish form (=L. Mooret Lindberg. Hep. in Hibernia lect. 1875)—first found near Killarney by Mackay,* and recently by Lindberg and Moore—is quite the same as the West Indian, as represented by Swartz’s own specimens in herb. Hook. It belongs to the yellow-green form, although one of Moore’s specimens has whitish plants intermixed ; ; and it has the large underleaves cloven to about the middle, with usually obtuse seg- ments, —or with one segment longer and acute, the other shorter and obtuse, as is frequent also in S. American specimens. And it is to be noted that some states of L. serpyllifolia have quite as obtuse underleaves as L. flava. The large form of serpyllijolia, growing in North Yorkshire (Mowthorpe Dale, ete, ), has them often very obtuse, but subacute ones are also present. The var. cavifolia, as represented by Stabler’s West- moreland, and some of my own Pyrenzean specimens, has also often very obtuse underleaves. A few easily-observed characters usually suffice to distinguish every form of L. serpyllifolia Dicks. from L. flava Sw. (1) The size is smaller and the colour more rarely yellowish; (2) the leaves rounder, and with a much longer and more turgid lobule, SOULE equalling half the leat ; (3) the cells lar, ger (34,™™ in “diameter, against 7,—1,™™ in L. flava); (4) the underleaves variable in size, generally smaller than in L. flava, always cloven quite to the middle, and with the segments oftener acute, (although in some forms obtuse); (5) the perianths rather shorter, acutely 5-carinate, (whereas in every form of L. jlava the keels are very slightly raised, and obtuse). As to L. thymifolia Nees (Syn. Hep. 372), Gottsche admits it to be a composite species, as it stands in ‘Syn. Hepaticarum.’ Only the Javan. and Indian specimens (he says) should be called by that name. The plant from Serra de Estrella (Brazil), gathered by Beyrich, is a form of L. pulvinata; and that from Madeira (perhaps also the Mexican plant) belongs to L. flava. (Mex. Leverm. 218.)—Whether there be, even in India, any “ L. thymifolia” distinct from L. flava is doubtful, for I have examined Javan specimens of the former, named by Nees himself, and could find no character to separate them.—The plant published as L. thymifolia N. by Mitten in Hooker’s ‘ Handbook of the N. Zealand Flora’ not only does not agree with the original description, but the specimens show it to be distinct also from L. flava and serpyllifolia. I have given its spec. char. above, and add here a few diagnostic marks: Eu-Lejewnea Sinclair 8. (= L. thymifolia N.” Mitt. l. c.) a L. flava et serpyllifolia foliis fornicatis preelate ovatis—fere triangularibus—sepius subacutis; lobulo magno 4 folium excedente; bracteola utrinque cum bracteis connata ; perianthii carinis preealtis “compressisque, bene dis- tincta est. 5, Evu-LEJEUNEA HEBETATA, Spruce. Hab. In sylva Canelos, juxta fl. Pastasa, supra Odonto-L. rhomaleam parasitans. * The Eng. Bot. figure of ‘‘Jung. serpyllifolia,” t. 2537, April 1, 1818, made from specimens ‘gathered at Killarney by Sir T. Gage, 1s so much more like Z. flava than Te serpyllifolia that I suppose it may really be that species. ied Eu-LEJEUNEA. F -8x°6; lob 15; ¢ 353 f@ 35x35, °3x ‘35; br “7x'5; br? 6x45 per 10x *45™™, : Tenella pallide viridis leniter fuscescens. Caules semipollicares laxe subpinnati, aliis ramis brevibus subparvifoliis. Folia subimbricata majuscula late patentia concava oblique semicordato- ovata, fere dimidiata, rotundata obtusatave, subpapulosa angulato- repanda, basi recte complicata; lobulus plus 5-plo brevior subrhom- beus acutus incurvo-inflatus ; cellule mediocres subconformes pel- lucidee, pariete valido ad angulos vix incrassato. Foliola plus duplo minora patentia late ovata carinata, ultra medium bifida, segmentis anguste ovatis obtusatis, margine recurvulo repando- crenulato. Flores dioici (?): @ in caule ramove terminales, innovatione hine v. seepius utrinque suffulti. Bracteze foliis subminores profunde (ad #) bifida, lobo falcato-ovali obtuso angulato, lobulo parvo, altero rhom- beo altero ligulato; bracteola ovali-rotunda ultra $ bifida, segmentis contiguis subacutis. Perianthia emersa pyriformi-oblonga—demum stipitato-elongata fere cla- vata—brevirostria, subcompressa, argute 5-carinata, carina antica humiliore, lzevia. A L. serpyllifolia Dicks. differt foliis valde obliquis distincte semi- cordatis, lobulo minuto; foliolorwm segmentis obtusissimis, et perianthio longiore. 6. Eu-LEJEUNEA LEPTALEA, Spruce. Hab, Andes Quitenses: in arborum truncis, socio Hypno scarioso Tayl., ad montis Altdr latera, alt. 3350m., loco Hacienda de Titarcin. F 5x45, ‘45°38; lob 15 (2 ad plicam mensus); ¢ 4; f” -2x°2, 15 x15; br (lob) 4x°25 per “75x -4™m, Laxe cespitoso-prostrata, pallide viridis, tenerrima, foliis valde deciduis. Caules 5-1-pollicares tenues pinnati, ramis brevibus inzquilongis, yv. subbipinnati, ramulis seepe parvifoliis (Jobulo dimidium folium eequante). Folia parum imbricata, subpatula, a basi lata decurrente oblique ovato-. oblonga obtusata; lobulus folio 3-plo fere brevior ovatus subinflatus, ad plicam convexus, apice exciso-acutus v. in apiculum brevi-subu- latum porrectus ; cellule parve pellucide ‘leptodermes subplane, inferiores (a folii basi ad medium fere usque) subduplo majores seepeque vacuze, ocellum magnum rotundum sistentes. Foliola foliis 2-3-plo minora, dissita, subrotunda, ad 4 bifida, sinu obtuso, segmentis acutis subobtusisve. Flores monoici (?): 9 in ramulo brevi terminales, innovatione simplice microphylla suffulti. Bractez foliis paulo minores appressee com- plicato-bilobz, lobis oblongo-ligulatis, postico duplo breviore, triplo angustiore; bracteola ovalis breviuscule bifida, rima angusta. Perianthia bracteis fere duplo longiora pyriformia subrostellata sub- eequaliter 5-carinata, carinis humilibus acutis, demum apice 2-5- fida. Androcia . ... ; Habitu L. flave, distincta tenuitate; foliis caducis magis decurrentibus, cellulis superioribus minoribus, inferioribus multo majoribus, lobulo majore planiore sepius apiculato; bractearum lobis ligulatis; ete——De inflorescentia nuinus certus sum, quum andreecia invenire non potui. Evu-LEJEUNEA. aha 7. Ev-LEJEUNEA COCHLEATA, Spruce. Tab. In M. Tunguragua, ad arbores supra lichenes repens; in M. Chim- borazo supra folia viva. F *4x°3, 4x35; lob 15; ¢ A; f'*'°15x'15; br °4; brit 35x ‘2 "30 X "15; per “7 x “4mm, Prostrata, ex olivaceo virescens. Caules pollicares, laxe pinnatim ramosi. Folia vel dissita vel subcontigua, raro subimbricata, patentia, late oblique semicordato-ovata obtusa vel seepius rotundata, cochleato-concava, margine postico tamen supra lobulum apiceque ad conche orificii instar recurvula, basi sinuato-complicata; lobulus vix 3-plo brevior inflatus subrotundus sed tam convolutus ut late ovoideus videatur, apice acuto incurvo; cellule parvee subconformes, subplanze, lepto- dermes ad angulos vix subincrassate, pellucide, ambitu tenuiter opacee. Foliola foliis triplo fere minora patula suborbiculata concava, fere ad mediuin usque acute bitida, segmentis obtusis raro acutis. Flores monoici et dioici: ? terminales; ramus fertilis v. brevissimus, foliis 0-3-jugis infra florem stipatus, v. raro elongatus polyphyllus; in plurimis exemplis innovatione simplice, in paucis prolifera, auctus. Bractez foliis subeequales, ultra medium bilobz, lobo ovali obtuso, lobulo minore diagonali triangulari-lingueformi; bracteola oblonga y. obovato-lanceolata, vix ad 4 acute bifida, segmentis acutis. Perianthia pyriformi-obovata, brevissime rostellata, alte argute 5-carinata, pellucida, demum spe basi elongata. Calyptra pyriformis tenuis. Capsula ovali-globosa in pedicello longiusculo geniculato-articulato exserta. Amenta ¢ prope caulis basin posita, ramulo tenuiusculo f. caulina sub- duplo superante constantia; bracteze 3—-6-jugze mediocres. L. patens Lindberg (Hep. in Hibernia lect.), paulo major est, pallida, scepe albicans; foliis supra lobulum insigniter divergentibus, totis concavis, margine postico apiceque haud recurvis, cellulis subprominulis; peri- anthiis que magis obpyramidatis quam obovatis, mihi diversa videtur. 8. Evu-LEsJEUNEA FLAGELLARIS, Spruce. Hab. M. Chimborazo, in arboris folio, plurimis aliis Lejewnets consociata. Be Gpneh sy lob “15s e Bey Ff 83x88 sh br -bs G4 45x33 per "Bix 4mm, Albicans, prostrata; caules pollicem longi, laxe bipinnati, ramique apice sepe flagelliformi-elongati, sensim parvifolii, necnon (sed rarius) ramulis parvifoliis pinnulati. Folia subimbricata patula, decurvo-concava, late semicordato-ovata ab- rupte acuta subapiculatave, inferiora caulina tamen haud raro obtusata, basin versus subsinuato-complicata, cum lobulo +4-plo bre- viore, apice brevi acuto, in sacculum parvum involuta; cellule subconformes mediocres vix incrassate planiuscule, intus annulo endochromii angusto opaco cinctee. Foliola dissita foliis duplo breviora oblato-orbiculata, vix ad medium usque subobtuse bifida, segmentis acutis. Flores dioici (?): 9 in ramo brevi parvifolio terminales, innovatione tenui simplice (nec prolifera) suffulti. Bracteze foliis breviores, appressze, lobis vix ad 4 usque coalitis, complicatis, lanceolatis acutis, inferiore subminore; bracteola cuneato-lanceolata, fere ad medium bifida. TRANS. BOT. SOC. EDIN. VOL. XY. 2M 274 T-u-LEJEUNEA. Perianthia alte emersa, luride rufa, pellucida, pyriformia vel_oblongo- fusiformia, alte 5-carinata, obscure rostellata. Obs. Adveniunt frequenter ramuli parvifolii, amenta male formata mentientes; anne igitur florescentia, in statu perfectiore, monoica ?— Habitus fere L. flave robustioris.—Rami flagelliformes stricti rigidiusculi. —E foliis subacutis ad Taailejewneas accedit, differt ramo fertili semper unifloro.—L. Choachina G. et L. hygrophila G. (Hep. Novo-Granat., 62, 63), nostre certe valde affines sunt, differunt tamen ramorum flagelli- formium defectu; prior praterea folia habet apice reflexa, bracteas foliis longiores, bracteolam ovatam ad ¢ bifidam, flores monoicos, &c.; posterior foliola basi cordata, etc. 9. Ev-LEJEUNEA RAMULOSA, Spruce. Hab. Banos, ad pedem montis Tunguragua, in cortice, cum Fabronia andina Mitt. consociata; etiam ad arbores in sylvaticis montium Chimborazo et Altar: alt. 1800-3300". F 6x °4; lob*1; ¢ 353 f@ *4x°25, °35x°2; folia ramulina *25-125; br 65 x °3; bri* -5x-5; per 1-0 x °6™™, Pusilla pallide viridis pellucida, Caules 4-4-pollicares fragiles repentes, plus minus ramosi, seepe ramulis elongatis microphyllis pinnati, vel etiam bipinnati, ramis assurgenti-czespitosis. Folia contigua vel subimbricata dimidiato-ovata sensim acutata sub- acuminatave, plana, basi recte complicata; lobulus 6-plo brevior semiovatus subinflatus—foliorum rameorum pro ratione major magis- que inflatus; cellule pellucidissimz subplanz, mediocres, inferiores sensim majores. F. ramulina 3-5-plo minora ovato-lanceolata; sup- rema tota fere convoluta, zis L. minutissime sat similia. Foliola subimbricata, dimidium folium excedentia, ovalia, ad 4 obtuse bifida, segmentis suberectis acutis vel subacuminatis. Flores monoici: ¢ in ramo brevi terminales, innovatione simplice suffulti. Bracteze foliis vix sublongiores erectze, ad 4 bilobe, lobis acutis sub- integerrimis, antico lanceolato, lobulo subbreviore ligulato-lanceolato (cum altero lobulo connivente); Lracteola appressa subrotunda, ultra 3 anguste bifida, segmentis acuminulatis. Perianthia alte emersa pellucida pyriformia vel pyriformi-oblonga, obso- lete rostellata, parum compressa, altiuscule 5-carinata, carinis cellula hic illic exstante subpapulosis. Amenta ¢ vel ramulo tenui cauligeno toto, vel ramuli microphylli apice solo constantia; bracteis sub 5-jugis. 10. Eu-LEJEUNEA CLADOBOLA, Spruce. Hab. Ad pedem montis Tunguragua, juxta pagum Bajios, alt. 1800™, in saxis arborumque radicibus. F +55 x 35; lob 1-12, ¢ sk; f!@ -4x°3, “4x 25mm, Pusilla albido-viridis, procumbens, in pulvinulos alte stratificata. Caules subsemipollicares plus minus pinnati, ramis persepe parvifoliis deciduis. Folia contigua vel subdissita, acute patentia (angulo axiali 40°-60°) oblique ovato-lanceolata obtusata—subinde elongata sublingueeformia—sub- plana decurvulave, basin versus fere recte complicata et cum lobulo 5-plo breviore in sacculum triangularem connata; lobulus acutus Eu-LreJEUNEA. 27d seepe apice incurvus; cellule mediocres cequilateree pellucidee, chloro- phyllo parco, subleptodermes, fere planissimee, Foliola subcontigua foliis vix dimidio breviora ovali-rotunda ad medium usque bifida, segmentis acutis cuspidatisve conniventibus, caulina radicellifera, ramulina seepius calva. Flores ? L. pulvinata Lehm.! (ex ipso in hb. Hook.) nostra subaffinis, folia habet confertiuscula concava oblongo-rotunda, cellulis parvis ; foliola late imbricata, breviora sed latiora, segmentis obtusis. 11. Eu-LEJEUNEA HUMEFACTA, Spruce. Hab. Ad arborum truncos fluvii Negro aquis inundatos. H °45 x 35, lob °125, ¢ 3,3 f'* °125x°'1; br 43 br'* “35% 15; per 55x RS Pusilla pallide viridis prostrata effusa. Caules $1 poll. longi subparalleli pauciramei, ramis pro more brevibus sepe masculis vel foemineis. Folia parum imbricata late semiovata rotundata, basi antic subsemi- cordata, postic&é recte complicata; lobulus semiovatus subinflatus folio 4-plo minor, apice incurvo conspicuoye, raro obsoletus; cellule parvulz subconformes, pariete subincrassato, pellucide. Foliola distantia, foliis 4-plo fere minora, paulo ultra medium acute bifida, segmentis subobtusis. Flores monoici: ? in ramo perseepe brevissimo terminales, innovatione brevi subparvifolia suffulti. Bracteze foliis subbreviores erecto- patule breviter (vix ad 4) bifidee, lobis rotundatis obtusisve subeequi- longis, postico plus minus angustiore; bracteola ligulato-oblonga 24-plo longior quam lata, ad 4 bifida, simu segmentisque acutis, non- nunquam utrinque unidentata. Perianthia emersa late pyriformia, subretuso-truncata brevirostria com- pressa, antice carinulata, postice bicarinata, carinis sublzvissimis. Andreecia lateralia cauligena, folio subsequilonga; bractew 2-3-juge majuscule turgidee. L. radicans L. et G. (Gottsche, Mex. Leverm. 223), affinis, differt foliis angustioribus (-28--42™™" longis, ‘22--28™™ Jatis) solum obtusis, foliolisque paulo minoribus (= folii 4-4). 12. Eu-LEJEUNEA FILIPES, Spruce. Hab. Prope Tarapoto Andium Peruvianorum, supra Porelle sp. repens. F 3x ‘25, 25 x ‘2, f. ramea ‘15 x ‘1, lob-1, ¢ Ay; f' 05; br “3; br* -2x°1; per 55 X°35, 45 x “3™™, Pallide viridis pusilla. Caules tenues flexuosi elongati }-1-pollicares, ex parte repentes dein assurgentes pendulive, distanter subpinnati, ramis pro more brevibus szepe prolifero-divisis. Folia subcontigua dissitave decurvwa vel plana (superiora ramorum sepe sensim minora) oblique ovali-rotunda, margine subundulata integer- rima, apice rotundata obtusatave, subsinuato-complicata, lobulus decurrenti-subsaccatus ovatus, margine apiceque incurvus, folio 3-plo brevior, seepe ad pliculam redactus v. etiam obsoletus; cellule pellu- cide parvule, apicales multo minores, inferiores sensim majores, Folia ramulina duplo minora pleraque elobulata. 276 Evu-LEJEUNEA. Foliola distantia, caule haud latiora, foliis 5-6-plo breviora, rotundo- quadrata, ultra medium bifida, sinu lato, segmentis triangularibus vel late subulatis acutis. Flores monoici: ? terminales, innovatione simplice proliferave suffulti; bracteze foliis subsequilonge, appresse, oblique lanceolate ad 3 bifidze, lobulo lingulato-lanceolato, apicibus obtusis; bracteola lan- ceolato-ligulata ad + solum bifida, segmentis acutis. Perianthia altiuscule emersa pyriformia apice subretuso brevirostellata, subcompressa alte 5-carinata leevissima. Capsula parva globosa, demum in pedicello elongato siccando filiformé articulato exserta. Amenta ¢ folio caulino subeequilonga, raro in ramo terminaliz; bractez mediocres 3-5 jugee. L. Carolensis differt caule breviore, foliis tamen majoribus, foliolis duplo majoribus, bracteola fere ad medium bifida, et perianthio angustiore longirostri, carinis humilioribus. 13. Eu-Leseunea CAROLENSIS, Spruce. Hab. San Carlos del Rio Negro et ad fl. Uaupés, in foliis vivis cum Hook- eria Patrisie. F 4.x ‘35, lob -125, ¢ 35; f' °1x1; br -4; br’4 33. x°13; per “65 x “35™™. Pusilla pallida effusa tenuissima. Caules $ poll. longi parce et subpin- natim ramosi. Folia dissita vel subcontigua pellucida oblique late oblonga, vel sub- rotunda, vel subobovata rotundata, sinuato-complicata; lobulus 3-plo brevior subdecurrenti-saccatus turgide ovatus, apice incurvo in folium plerumque sensim abiens; cellule mediocres pellucidissime hexagon, marginales minores quadratz. Foliola 4-plo minora distantia, seepe squarrosa, cuneata, ultra medium bifida, segmentis subdivergentibus subulatis acutis basi 3 cell. latis. Flores monoici: ? terminales cuminnovatione. Bractez foliis subequi- longze oblique oblongo-lanceolate subacutee vel obtuse, lobulo sat minore linguzformi subobliquo; bracteola brevior valde pellucida ligulato-oblonga vix ad medium bifida, sinu segmentisque acutis. Perianthia folia dimidio superantia anguste pyriformia rotundato-trun- cata retusulave longirostria, sat compressa, antice depressa carinulata, postice bicarinata. Andrecia brevia turgida, sepius in ramis terminalia, raro lateralia; bractez 2-jugze majuscule. Var. minor, foliis paulo angustioribus subfalcatis.—S. Gabriel, in cortice. 14, Eu-LeJEUNEA CoFFEs&, Spruce. Hab. San Carlos del Rio Negro, in Coffee arabice foliis vivis. F 5x°35; ¢ 3-3; f 075, br *35; br'* -3x°1; per 6x -3™, Pusilla pallide viridis arcte repens; caules }-} pollicares laxe subpin- natim ramosi. Folia subcontigua a lata basi longitudinali oblique oblonga, nonnulla subfaleata, rotundata raro solum obtusa, obsolete lobulata; cellule mediocres oblongo-hexagonz leptodermes, medio pellucide, in ambitu latiuscule subopace. Eu-LrJEUNEA. 27 Foliola minuta, foliis 6-7-plo breviora, bipartita, segmentis suberectis subulatis basi 2 cell. latis. Flores monoici: @ terminales, innovatione simplice suffulti. Bractee foliis breviores dimidiato-obovato-lanceolate obtuse profunde bifide, lobulo altero breviore rhomboideo-lanceolato, altero (innovationi adnato) longiore subulato acuto; bracteola anguste lanceolata fere ad medium bifida, segmentis acutis. Perianthia alte emersa, foliis caulinis paulo longiora, anguste obpyrami- dato-pyriformia, compressa obtuse 5-carinata, apice rotundato sub- retusove brevi-rostellata. 15, Ev-LeJEUNEA PROREPENS, Spruce. Hab. Ad fluvii Huallaga cataractas, supra filices. F'-45 x °35, ¢ 2; f* ‘1-15; br “5; per “6x -3™. Minuta albido-viridis tenera tenuissima arcte repens. Caules }-4-polli- cis longi pinnatim ramosi. Folia contigua plana, e lata et sublongitudinali basi late ovato-oblonga rotundata, lobulo nullo; cellule subequales parvule leptodermes. Foliola parva, foliis 4-plo breviora, caule vix latiora, cuneata profunde bifida, segmentis lanceolatis subulatisve, basi 3 vel 4 cell. latis, subdivergentibus. Flores monoici; ? in ramo brevi—raro in ipsius caulis apice—termin- ales, innovatione simplice suffulti. Bractez foliis sublongiores obovato-ligulate, altera elobulata, altera lobulo minuto lineari basi aucta; bracteola cuneata breviter bifida, segmentis acutis. Perianthia parum emersa obpyramidato-cuneata brevirostria compressula 5-carinata, carin& antici humiliore, carinis lateralibus apice lato rotundo-prominulis, fructu maturato turgescentia, demum (capsula egress) collapsa, ore bilabiata. Capsula majuscula ovata. Andreecia ramos terminantia—rarius ramulo proprio constantia ; bractez sub 3-juge. 16. Ev-LEJEUNEA OBIDENSIS, Spruce. Hab. Ad fluminis Amazonum ripas prope Obidos, in cortice. F “65 x 65, °5x°4, ¢ fs; f@ 2x25; br +5 x -2; per -65 x “35™™, Pusilla tenella viridis late effusa. Caules }-pollicares vage ramosi re- pentes, ramis assurgentibus, altis parvifoliis. Folia subcontigua majuscula plana,e lata basi late ovata vel ovato- rotunda obtusa rotundatave, basi subdecurrente obsolete compli- cata; cellule mediocres pellucide fere equilateri-hexagone lepto- dermes, granis chlorophylli parvis vel in annulum angustum viridem congestis vel sparsis. Foliola distantia, foliis triplo breviora, subrotunda, ultra medium bifida, segmentis lanceolatis acutis, radicellas plurimas divergentes pro- ferentia. Flores monoici: @terminales innovatione simplice, raro prolifera— interdum cum duabus—suffulti. Bracteze foliis subminores anguste obovato-lanceolatee obtuse elobulate ; bracteola minor cuneato- lanceolata-ligulatave vix ad medium usque anguste bifida, seg- mentis conniventibus acutis. 278 Evu-LEJEUNEA. Perianthia folia equantia pyriformia vel subclavata, apice truncato brevirostria (rostello demum quinquefido) subcompressa, supra medium—vel tota fere longitudine—5-carinata, carinis apice ro- tundato paulo prominulis. Andreecia ramulum cauligenum folio breviorem sistentia; bracteze 3-jugee parvee. L. pyriformis L. et G. (Mex. Leverm. 225) persimilis videretur, foliis autem subverticalibus, et foliolorum laciniis acuminatis diversa. “ Sto- lonifera” dicitur, in nostra tamen rami parvifolii vix pro stolonibus habendi, 17. Ev-LEJEUNEA INUNDATA, Spruce. Hab. In arborum ramis et rupibus graniticis, aquis fluviorum Negro et Uaupés inundatis, in cataractarum vicinia preecipue. F10x°6, 1:°25x°7; lob 45 (ad plicam °35); ¢ 35; f@ °35x°1, 875 x‘1; br g °4; br 9 ‘5x °35 (explanate); per “6 x *35™™. Caudex tenuis, matrici arcte adrepens, subdivisus, demum denudatus, caules prostratos pendulosve parallelos }—-1-pollicem (in var. 3 pol- lices) longos, florescentiis utriusque sexus crebre pinnulatos, raro bipinnulatos, edens. Ramuli floriferi cuique folio basi adnati, ¢ cum Q seepissime alternantes, hi ( ) cum suis perianthiis folium collate- rale vix equantes, illi (¢) foliis eequilongi vel sublongiores. Folia subimbricata vel dissita, erecto-patentia patentiave, plana ligulato- ovalia vel subovato-elliptica rotundata, duplo fere (in var. triplo) longiora quam lata, a basi ad 4-3 alt. complicata, dein biloba; lobu- lus 2-4-plo brevior, planus, cuneatus vel anguste triangularis, in apicem late subulatum acutum szpe longe porrectus, interdum _bre- vior et obtusus, margine supero unidentato muticove; cellule mediocres, paulo longiores quam latze leptodermes. Foliola dissita, foliis triplo breviora, caule vix latiora, linearia vel anguste cuneata, ab apice ad % usque bifida; segmentis suberectis subulatis obtusiusculis, basi 4 cell. latis; radicellis suis albidis ad caules adja- centes arcte adhzerentia, seepe tamen arhiza. Flores monoici. Rami @ brevissimi, innovando 1-8-flori, flore unico tamen (rarissime altero) fertili. Bracteze foliis duplo breviores erecto- patentes cuneato-oblongze complicate, ab apice at 4 biloba, lobis subeequalibus ligulatis rotundatis; bracteola angusta, forma varia, seepius subligulata breviter bifida. Perianthia subemersa parvula brevi-pyriformia vel obovata, erostria, vix compressa, ab ipsa basi argute sed non alte 5-carinata, carinis papulosis apice subrotundo-prominulis. Capsula globosa exserta. Andreecia lateralia ovata, plus minus elongata; bracteze seepius 3-5-(raro usque at 10-) jugze, late ovate complicato-concave, apice vel rotun- datz integreeque, vel breviter bilobe, lobis rotundatis. Antheridia bina, altero szepe deficiente. Var. saxorum. (In saxis fluvii Negro inundatis.) Folia dissita late patentia, a basi ad medium usque complicata; lobulus folio solum duplo brevior angustiorque cuneato-trapezoideus rectangularisve, margine interno angulum fere rectum cum plica efficiente, supero subrotundato medium versus obtuse unidentato. Var. fontinaloides. (Tas. X.) (Formainsignis, Conomitrium Julianumsimu-. Evu-LEJEUNEA. 279 lans in arboribus ripariis inundatis vigens ; fluvio crescente fluitans, quando autem fluvium resorbatur in se, e ramis altis, barbee instar, pendula). Caules 3-pollicares et longiores. Folia distantia dis- tiche patula, triplo longiora quam lata, ligulata, apice ex aquarum erosione seepe semidestructa, profunde bipartita; lobulus parvus ad dentem folio 5-6-plo breviorem seepe redactus, vel haud raro obso- letus. Foliola minuta, caulem Jatitudine vix equantia, plerumque obliterata. Flores 9 rari; bracteze haud raro subacute. Andreecia compresso-globosa, folio collaterali triplo breviora, bracteis sub 5-jugis, antheridiis binis, (= Lejeunea fontinaloides nobis olim in Ltt.). Obs. Praeter has formas, alias plures intermedias—nullam autem pro specie propria habendam—decerpsi.—Species distinctissima videtur. L. spiniloba L. et G. et L. oxyloba eorund. (Syn. Hep. 770; Gottsche in Mex. Leverm. 213) aflines, certe differunt: foliis brevi-ovatis; foliolis multo majoribus (=4$ folii), ovalibus; perianthiis leevissimis. 18. Ev-LEJEUNEA SUFFRUTICOLA, Spruce. Hab. Guataxi, Andium Quitensium, alt. 2200", in suffruticibus (Malvaceis, Solanis, etc.) F -75 x 65, °8x°7; lob 15-2; c fA; f% 4x °3, 5 x °4; br 5-6; dria °5 x2 ner -7o' x 4m; Mediocris, pallide viridis tenuis tenerrima, procumbens, substratificata, Caules 1-14-pollicares laxe pinnatim ramosi, rans monotrope inno- vandis v. dichotomis, aliis brevibus parvifoliis. Folia dissita v. vix imbricata flaccida subplana, basi lata longitudinali in- serta, angulo fere recto patula, late oblique ovato-oblonga rotundata, sinuato-. zpanda, basi antica dilatata subsemicordata, postica subrecte complicata; lobulus 4-5-plo brevior subplanus, subquadratus, mar- gine sinuato, apice in lingulam obtusam protractus ; cellule parvulee subsequilateree leptodermes pellucidze, annulo opaco pertenui cinctz. F. ramea 2—3-plo minora parum diversa, lobulis autem superioribus subinflatis. Foliola vix duplo breviora, subappressa, ovali-rotunda, paulo ultra me- dium biloba, sinu obtuso, ‘segmentis falcato-conniventibus acutis obtusisve. Flores dioici (?): $ in ramis terminales, innovatione unilaterali prolifera, vel duabus oppositis, suffulti. Bracteze foliis caulinis sat breviores inzequimagnie erectee, ad medium bifidse complicate, lobis sublanceo- latis obtusatis, lobulis paulo minoribus, altero obtuso, altero acuto; bracteola angusta obovato-lanceolata vix ad medium acute bifida, segmentis acutis. Perianthia caulinis subzquilonga pellucida compressula obovata, ex apice rotundato-retusulo brevirostellata, 5-carinata, carinis lateralibus posticisque altis. (Ad ramulorum apices adveniunt folia pauca parva subeequiloba, vacua tamen nec antheridiifera). L. oxyloba L. et G. (Gottsch. Hep. Mex. 214) differt foliis imbricatis, lobulo duplo majore; foliolis pro ratione brevioribus ; bracteis multo longioribus. — L. nemoralis, sylvatica et montana G. in Hep. Novo-Granat., species inter se forsan nimis affines, nostrati lobulo plano congruunt, diverse autem foliis imbricatis, lobulo apice haud in dentem lingulatum pro- ducto, et (ut videtur) bracteis majoribus. 280 Evu-LE&EJEUNEA. 19. Ev-LEJEUNEA SOLANICOLA, Spruce. Hab. Tarapoto, Andium Peruviz, ad cortices Solani fruticosi. F 6 x°4, 5x35; lob 15x°1; ¢ sy; f' 3x °15; br °5; bria 4x 125 ; per oo ame, Pusilla pallida uberrime fructifera. Caules 5™" longi, pinnatim ramosi, prostrati, ramis assurgentibus paucifoliis. Folia contigua vel subimbricata plana pellucida oblonga ovaliave apice rotundata, basi recte complicata; lobulus 4-plo brevior rhomboideus vel subrectangularis, plerumque planus, sinu subexcisus, apice in dentem subulatum porrectus; cellule parvule, inferiores folii axin versus submajores et elongate. Foliola foliis duplo breviora, ovalia, ultra 4 obtuse bifida, segmentis acutis basi 4 cell. latis. Flores monoici: @ in ramo seepe iteratim prolifero—innovationibus sin- eulis oppositisve—terminales. Bractez foliis subminores erectz complicato-bipartita, lobis zequilongis, antico ligulato-oblongo-obo- vatove obtusato, postico late subulato acuto; bracteola lanceolato- ligulata vel anguste cuneata, vix ad $ usque bifida. Perianthia semiemersa pulchre diaphana pyriformia turbinatave, apice depresso brevirostria, supra medium alte 5-carinata, carinis posticis lateralibusque compressis acutis. Andreecia lateralia ovato-globosa; bracteze sub 5-jugee. 20. Ev-LEsEUNEA ARTOCARPI, Spruce. Hab. San Carlos del Rio Negro, in Artocarpi edulis cortice. F -45 x °35, lob 15 x 125, ¢ gy; f*°25 x 2, °15, 2% "15; br°45; Gre -Ax 2, Ben ha Pusilla pallida, arcte repens, intricata; caules j-pollicares crebre inzequa- liter ramosi subbipinnati. Folia subimbricata, plana, axi paulo ascendente, late oblique ovata rotun- data obtusatave recte complicata; lobulus majusculus (folio 3-plo brevior) ovato-quadratus v. subrotundus subacutus fere planus perpaulo inflatus; cellule subzequilateree 7,™™ tenues pellucide. Foliola contigua subdissita, flores 2 versus sensim majora, dimidiwm folium equantia vel etiam superantia, ovali-rotunda, ultra medium bifida, segmentis lanceolatis acutis erecto-patulis 6 cell. basi latis; in- feriora subduplo minora, magis profunde bifida, segmentis angustiori- bus. Fl. monoict: ¢ terminales, innovatione suffulti. Bracteze foliis eequilongee oblique ovales ad medium bifid, altera sabminor obtusata, lobulo subrhomboideo, altera (innovationi adnata) major subacuta, lobulo longiore subulata; bracteola lanceolato-oblonga, ad $ bifida, segmentis contiguis forficatisve acuminulatis. Perianthia alte emersa obconico- pyriformia retusa vel subobcordata brevi- rostellata compressula, antice depressa 1-carinulata, postice altiuscule bicarinata, subpellucida leevissima. Andreecia sat robusta seepe longispica; bracteze 5-8-jugze majusculee con- ferte turgide. Eu-L. solanicola folia habet longiora angustiora ovalia; foliola laciniis lato-subulatis basi solum 4 ¢. latis; perianthiamagis acute carinata. Eu-L&EJEUNEA. 281 21. Ev-LEJEUNEA SETILOBA, Spruce. Hab. Manaos, juxta fluvii Negro ostia, in cortice. F 55x°4, -4x°3; lob +1; ¢ 2; f@ °15x°1; br °5; br’ 45 x2; per ‘65x Se Xora Pusilla pallida tenella prostrata. Caules } pollicis longi, paralleli vel subintexti, paulo et subpinnatim ramosi. Folia subdissita contiguave oblique oblonga ovaliave obtusata vel rotundata, basi angustissime complicata, plicé processum (lobulum verum) subulatum 4 cellulas longum, cauli parallelum fereque con- tiguum, proferente; cellule parvule sequilateree pellucidee subcon- formes, solum marginales quadratee subminoresque. Foliola foliis 4-plo fere minora, caule vix latiora, oblonga, ad 4 anguste bifida, segmentis lanceolatis acutis. Flores monoici: 2 crebri, in ramo seepe perbrevi terminales, innovatione (raro prolifera) suffulti. Bracteze foliis subeequales, subpatulee, ultra $ bilobee, lobo obovato-lanceolato obtusato, lobulo subequilongo duplo angustiore acuto; bracteola lanceolato-oblonga ad 4 bifida, segmentis subcontiguis acutis. Perianthia subemersa turgide-vel globoso-pyriformia turbinatave, vix compressa, brevissime rostellata, pellucida, alte 5-carinata, carinis complanatis sublevissimis. Capsula in pedicello longo geniculato- articulato exserta. ' Amenta ¢ cauligena folio collaterali equilonga; bracteze 2-3-jugze majus- culze turgidee cymbiformes. Pulcherrima et distinctissima species, habitu Cheilo-Lejeunee aneoqyne similis, caractere longe divergens. Hu-L. muscicola, magis affinis, folia habet lobulo dentiformi brevissimo fere obsoleto, cellulis submajoribus; foliola preeminuta rotunda; bracteas bipartitas, lobulo ad dentem redacto; bracteolam brevissime bifidam; perianthia angustiora.—Hu-L. leta L. et L. folia habet seepius acutiuscula elobulata; foliola ultra 4 biloba. 22, Ev-LEJEUNEA MUSCICOLA, Spruce. Hab. Ad flumen Amazonum juxta Santarem, in cortice supra muscos repens. HYG x°5, 6x45; ¢ dy5 f'!@ 1x1; br 4-55; br'* 3x15; per 65 x ‘35; ie oo Pallide viridis, tenera, matrici laxo ceespite arcte adherens. Caules $-pollicares flexuosi vage ramosi. Folia dissita vel subimbricata, plana vel apice decurvula, late oblique ovata, rotundata rarius obtusata, basi antica dilatata (vix semicor- data), postica decurrente obsolete vel saltem angustissime complicata, plicé medio dentem brevem obtusum 1-2 cell. altum proterente; cellule: mediocres pellucidze subconformes, marginales parum minores obscure crenulato-prominule. Foliola distantia minuta, foliis 6-plo breviora rotunda, ad medium bifida, segmentis acutis. Fl. monoici: ¢ in ramo perbrevi terminales, innovatione parvifolia (sepe 3) suffulti; bracteze longitudine varie, semper foliis breviores, appresse, bipartitee, lobo oblique lanceolato obtuso, lobulo parvo dentiformi acuto, bracteola longe brevior, ovali-lanceolata, apice brevissime bifida, segmentis subacutis, TRANS. BOT. SOC. EDIN. VOL. XV. 2N 282 Evu-LEJEUNEA. Perianthia emersa, foliis caulinis tamen vix sublongiora, pyriformi- oblonga, parum compressa, apice rotundato-truncato obsolete rostel- lata, 5-carinata, carinis subpapulosis, demum (capsula egressa) sub- campanulata, ore breviter 4—5-fida. Andreecia sepius ramulum proprium, breviorem longioremye, sistentia; bracteze mediocres turgidz 3-8-jugee. L. L. glaucesentt G. et Chamissonis Lindenb. affinis, ab utraque di- versa. Var. palmicola 8. (Eu-Lejeunea palmicola, Spruce Mst.) Hab. Para, in palmarum truncis, supra muscos repens. F 65 x °55; ¢ gk; f'*-15—15, -2x-2; br -65; br 5x3; per “65 x 4; Bx 3; br f 125mm, A L. muscicola typica differt caule crassiore, fragili tamen. Folia omnia subimbricata, fere dimidiata, lobulo minuto triangulari rhombeove seepius mutico, interdum obsoleto; cellulee subconformes, marginem versus sensim paulo minores, subbasales paulo majores, omnes sub- plane leptodermes pellucidee. Foliola paulo majora, vix ad medium fissa, segmentis obtusis. Bracteze lobulo egies ia lineari-lanceolato acuto, lobo duplo breviore; bracteola obovata, ad 4 fissa. Perianthia obovata, supra medium 5-carinata, v1x rostellata, carinis superne dilatatis, rotundato-prominulis vix papulosis. Bracteze andrcecii rigidiusculi szpe incurvi f. caulinis 5-plo minores subeonferte sub- rotund. 23. Evu-LEJEUNEA SUBSESSILIS, Spruce. Hab. F\. Bombonasa, in folio vivo. F 8x °75; ¢ ay; f™ ‘2x ‘2, 15x15; br. lobus -45x°1; br 35x °1; per 16 Brbr ig et Pallida flaccida tenerrima. Caules pollicares prostrati vage vel sub- pinnatim ramosi, ramis pro more brevibus sepe floriferis, paucis longioribus ramulosis. Folia parum imbricata majuscula subplana, basi elongata inserta, oblique late ovata abrupte subacuta obtusave obscure celluloso-crenulata integerrimave, obsolete lobulata; cellule mediocres leptodermes fere vacue, subplance. Foliola 4-5-plo minora rotunda ad medium bifida, segmentis acutis obtusisve. Flores monoici: ? ad caulem v. ramum primarium in ramulo brevissimo, foliolo unico radicante folioque unico parvo (nullove) stipato, ter- minales, innovatione brevi simplice suffulti. Bractez foliis sub- duplo minores ligulato-lanceolate obtuse subelobulate; bracteola ligulata tenerrima brevissime bifida v. fere integra. Perianthia emersa, f. caulino breviora, brevi- clavata. parum compressula, longirostria, 5-carinata, carinis apice insigniter truncatis leevibus. Amenta “cauligena folio subbreviora tenuia rigidiuscula; ; bracteze 5-8-jugze conferta f. caulinis 8- plo breviores turgidee. Habitu cum Taxi-Lejeuneis convenit, ramo ? autem constanter unifloro foliolis parvis distat. 24, Ev-LeJEUNEA TARAPOTENSIS, Spruce. Hab. Andes Peruvianos, juxta Tarapoto, ad arbores vetustas; etiam i in montibus vicinis supra filices, 1 Eu-LEJEUNEA. 283 Fe75x 5; esk;s f@ 2x'3, 15x25, 15x15; br 35-5 longer; per ‘75 x B75, 9 x ‘4mm, Mediocris, pallide virens, siccando fuscescens. Caules $-pollicares pro- strati implexi pellucidi tenaces arcte radicati, vage ramosi, in ces- pitis ambitu pinnati, ramis ¢ cum @ sepe alternantibus, assurgenti- bus, sterilibus arcuato-decurvis. Folia subimbricata, rarius dissita, patulo-decurva vel varie undulata torta- que, obliqua, interdum subfalcata, ovato-oblonga vy. semiobovata, rotundata, basi decurrentia, lobulo obsoletissimo v. 0; cellulee medi- ocres parum elongate, leptodermes, sat crasse, parce chlorophylose, fere planissime. Foliola minuta, foliis 4-5-plo breviora subrotunda, seepe oblata, ad 4 bifida, segmentis acutis obtusisve. Flores monoici: ? in ramulo brevissimo terminales, innovatione simplice suffulti. Bracteze parve forma vari, seepius oblong ligulateve obtuse, altera elobulata, altera lobulo parvo cum bracteola cuneato- oblonga bifida basi connato. Perianthia alte emersa anguste obconico-pyriformia, subcompressa, apice retusulo vy. subobcordato brevirostellata, 5-carinata, carinis apice rotundato-prominulo papulosis, fructu emerso campanulata 4-fida. Andreecia tenuia oligo-polyphylla subincurva, sepissime ramulum totum tenentia; bracteze confertee ovoideo-cymbiformes parum ineequilobie, antheridium solitarium magnum foventes. 25. Eu-L&JEUNEA CORDIFLORA, Spruce. Hab. Fl. Uaupés, in Gomphie sp. folio. F +5 x°4, lob 125; ¢ ay; f 25x °25, 3x °35; br “55; br’ -45 x -25; per -65 x ‘4mm, Mediocris, prostrata, pallide viridis, siccando subolivacea. Caules 4-poll. vage subpinnatim ramosi, in plagulam densam intexti. Folia late patentia subimbricata, fere plana, apice decurvula interdum recurvula, late oblique ovato-oblonga rotundata, basin versus recte complicata; lobulus 4-plo brevior inflatus subovoideus apice pro more occulto; cellulz parvee subconformes vix incrassatee, ambitu sub- opace, Foliola foliis vix duplo minora orbiculata, vix ad 3} obtuse bifida, rima angusta, segmentis obtusis acutisve. Flores monoici: @ in caule ramisque innovando-proliferis terminales. Bracteze foliis subzequales, complicato-bilobe, lobis apice variis seepe rotundatis, anticis lanceolatis, posticis duplo minoribus ligulatis; bracteola ovalis ad 4 bifida, segmentis contiguis forficatisve subacu- minatis, superne angulata v. subdenticulata. Perianthia subemersa obcordato-pyramidata, sat compressa, antice de- pressa, postice humiliter bicarinata, margine supero repandulo (raro rudimentarie alato), apice emarginato tenui-rostellata. Amenta ¢ cauligena folium superantia; bractee sub 5-jugee majuscule laxiuscule. A L. flava perianthiis conspicue compressis, obcordatis, et foliis recte lobulatis certe distat, habitu tamen simillima. 26. Eu-LEJEUNEA CAUAPUNENSIS, Spruce. Ad rivulum Cauapuna, fl. Negro tributarium, in arboris folio, cum aliis Lejeuncis. 284 Evu-LEJEUNEA. F 5x °4, 5x35, lob ‘1-15, ¢ 3g; f@ “15x °125, "125 x 1125; br °5; br 45 x ‘15; per 8 x°55, °7 x °42™™, Tenella flavida, pellucida arcte repens; caules pollicares valde et vage ramosi. Folia contigua vel subimbricata falcato-oblonga v. ovato-oblonga rotun- data, basi subsinuato-complicata; lobulus ovatus subsaccatus, apice seepius inflexo occultoque, raro ad plicam parvam redactus; cellule mediocres pellucidee, marginales distincte minores quadratee. Foliola distantia subrotunda folio 4-plo breviora ad medium acute bifida, segmentis plerumque patulis acutis, medio margine exteriore angu- lata (ideo subrhombea). Fl. monoici: @ terminales, innovatione suffulti. Bracteze foliis sub- eequales oblique oblong rotundate ad ? bifidz, lobulo triangulari subulatove acuto; bracteola cuneato-lanceolata, 3-plo longior quam lata, ad medium bifida, segmentis erectis subulatis acutis, utrinque medio unidentata, tenuissima. Perianthia pro plantula magna pellucida obcordato-cuneata valde com- pressa, tenui-rostellata, antice depressa postice bicarinata leevia. Amenta ¢ terminalia ovata; bractez 3-juge. Species pulchella!—L. drymophila, proxima, foliola habet bipartita et andreecia lateralia. L. Cawapunensis ab omnibus affinibus parvistipulis differt colore flavescente, perianthiis profunde obcordatis, simul ac foliolis rotundis ad dimidium solum bifidis. « 27. Eu-LEJEUNEA SICCATA, Spruce. Hab. Pard, in truncis putridis. F-6x °45, °75 x °65; lob 125; ¢ a5 f@°15x°1,°1x°1; br -4x«°125; brie ‘3x15; per °65 x -45™™, Tenella albida pellucida, post siccationem difficillime emollitura. Caules 4-pollicares arcte repentes vage ramosi, ramis paucifoliis raro elon- gatis, aliis a matrice subliberis arcuatis. Folia ad 3 v. fere ad $ lat. imbricata late patentia, apice decurva, dimi- diata, semiovata, rotundata, rarius obtusa, basi antica dilatata sub- semicordata caulem late transeuntia, subpapulosa, margine celluloso- crenulata, subrecte complicata; lobulus sub 5-plo brevior fere trans- versus ovoideus; cellulze mediocres subconformes, ad angulos incras- satee, chlorophyllo parco sparso. Foliola foliis 4-6-plo breviora subrotunda ad 4 bifida, segmentis obtusis acutisve. Flores monoici: 2 in ramo brevi terminales, innovatione (simplice v. prolifera) suffulti. Bracteze perparve, foliis fere duplo minores, pro- funde bilobze, lobo lineari-oblongo acuto obtusove, lobulo multo minore subulato; bracteola ovalis breviter acute bifida; omnes bracteze crenulatee. Perianthia ex involucro alte emersa, foliis caulinis autem vix longiora, obovata compressa, antice depressa solum apicem versus carinulata, postice turgidiuscula bicarinata, margine supra medium dilatata compressaque unde rotundato-truncata—raro subobcordata — eva- dunt, carinis omnibus cellulis pellucidis papulosis, rostello brevissimo, fructu egresso 3-labiata, labiis brevissime apiculatis, Amenta ¢ cauligena, foliis breviora; bracteze sub 3-jugze laxe eequitantes. Evu-LEJEUNEA. 285 L. Cauapunensis S. distincta erit foliis minoribus falcatis ; foliolis bracteolisque medio margine utrinque angulato-unidentatis ; perianthiis majoribus obcordatis insigniter pellucidis. 28. Ev-LeJEUNEA DRYMOPHILA, Spruce. Hab. Ad fl. Amazonum et precipue ad fluvios Negro et Uaupés; necnon in Andium radicibus, ad alt. 500m. usque, locis Tarapoto et fl. Bom- bonasa ripis, in arborum cortice, raro in Melastomacearum Palma- rumque foliis vivis. ies. 4x35; lob ‘1 vO cones oY 1b 08, x Vash Or 45; br4 "35 X "13; per 6 x °4™mm, Pusilla pallide viridis, denso strato repens, tenuissima. Caules }—}-polli- cares vage v. pinnatim divisi, ramis subdivergentibus paucifoliis apice angustatis. Folia subcontigua, angulo axiali 70° patula, a basi lata late oblique (vel subsemi) ovato-oblonga, rotundata obtusave rarius subacuta; lobulus rectus folio 4-plo brevior ovato-rhombeus inflatus, seepe obsoletus; cellule mediocres pellucidze, chlorophyllo parco sparso, plerumque leptodermes, in pl. foliicolis autem ad angulos seepeque ad media latera incrassatee, subplanee. Foliola foliis sub 3-plo breviora, squarrosula, ovalia v. subcuneata, ultra 3 bifida, segmentis subulatis basi 3—4e. latis. Flores monoici: in ramo brevissimo terminales, innovatione simplice suffulti. Bracteze suberectee, foliis subzequilongee, oblique ovali-lan- ceolatee acute obtuszeve, ad 4 bilobse, complicate, lobulo longe minore lingulato v. subulato ; bracteola longe lanceolata, fere 3-plo longior quam lata, ad 4—$ 1 acute bifida, segmentis lanceolato-subulatis acutatis, Perianthia emersa, f. caulinis } longiora, obcordato-cuneata-pyriformiave, compressa rostellata, antice depressa, postice obtuse bicarinata (demum late unicarinata) margine subtuberculosa leviave, interdum apicem versus ala angusta 1—2c. lata, aucta. Andreecia folio caulino breviora (in var. longiora); bracteze 2-3-jugze parvee cymbiformes. Var. macrostachya (=L. macrostachya Spruce Mst.): ad fluvios Uaupés et Bombonasa.—Magis ramosa subbipinnata; androeciis elongatis, bracteis 5-18-jugis; foliorum cellulis subminoribus, 7j—,)™™. 29. Eu-LEJEUNEA ORBICULARIS, Spruce. Hab. Fl. Negro, ad Saé Gabriel da cachoeira, in cortice. FP -38% +20; cay; f “1x 085 Gr 385 per “6 x 35™™. Pusilla albescens prostrata, plagas orbiculares sistens, floribunda. Caules 4—}-pollicares, vage ramosi implexi, ramis paucifoliis. Folia subcontigua oblique ovato-oblonga rotundata obtusatave, basi postica minutissime inflexa, lobulo szepius 0; cellule parvulee subconformes eequilaterze diaphanz. Raro advenit folium unum alterumve lobulo rhombeo subinflato auctum. Foliola remota, foliis 4-plo fere minora, ovata, ultra 4 acute bifida, seg- mentis acutis subulatis basi 3 cellulas latis. Flores monoici: 2 terminales, cum innovatione. Bractee foliis squi- longee erectze, lobo obovato acuto obtusove, lobulo multo angustiore lanceolato acuto; bracteola ovalis breviter bitida. 286 Eu-LEJEUNEA. Perianthia alte emersa pyriformia compressula, antice plana vel obscure carinulata, postice bicarinata, carinis obtusis (haud raro in unam latam confluentibus), apice rotundata retusave—vix obcordata— brevirostria, demum 2-3-valvia. Andreecia terminalia et lateralia, folium caulinum subexcedentia, julacea, bracteis majusculis 5-jugis. Foliis minoribus paulo longioribus; perianthiis pro ratione majoribus, longioribus et minus compressis, apice haud obcordatis, a L. drymophila distincta.—L. trinitensis Lindenb. folia habet rotundo-ovata obtusa, brac- teas longiores et perianthia latiora subimmersa. 30. Eu-LrJEUNEA LIMBATA, Spruce. Hab. S. Gabriel fl. Negro, in foliis vivis. F 5x°4; lob-1; ¢ ds (marginales 2); f'* 18x°‘1; br 35; br’ 3x 125; per 65 x *5™™, Pusilla arcte repens, viridis, siccando pallida. Caules pollicares sparsi, pinnati vel vage ramosi, ramis pro more paucifoliis. Folia subcontigua oblique oblonga rotundata—vel rhomboidea, angulis rotundatis— raro solam obtusata, margine repanda, basi decurrente lobulata (vel seepe non); lobulus 5-plo brevior oblique ovatus in- flatus; cellule pellucidissime, medize fere majuscule, marginales plus duplo minores (unde folia marginata evadunt). Foliola dissita, foliis triplo minora, cauli appressa, anguste ovalia vel subcuneata, ultra 4 bifida, laciniis suberectis lineari-subulatis obtusis, basi 2-3 cellulas latis. Flores monoici: @ in ramo brevi terminales, innovatione simplice suf- fulti. Bracteze foliis minores, ad basin fere usque bipartite, lobo oblique obovato ovalive obtusato, lobulo parvo lineari diagonali; bracteola angusta cuneato-ligulata, ad $ acute bifida, segmentis acutis. Perianthia alte emersa, foliis caulinis longiora, diaphana (unde, e calyptra colorata, flavida videntur) turbinata vel late triangulari-pyriformia rotundato-retusa, brevirostria sat compressa, antice carinulata, postice bicarinata—rarissime margine subalata. Andreecia in ramis terminalia; bracteze 3-5-jugee turgidee. Teneritate, colore viridi; foliis rhomboideo-oblongis, cellulis margin- alibus minutulis quadratis (pro more discoloribus); foliolis foliis vix triplo minoribus; perianthiis diaphanis triangularibus rotundato-retusis, rostello brevi tenui, ab affinibus distincta. Suscenus XXXIV.—MICRO-LEJEUNEA, &. Eu-Lejeuneis microstipis, habitu sat similis, differt statura imo humi- liore et caracteribus sequentibus.—Folia minuta (*15—-4™™ longa), semper fere dissita, integerrima vel parum celluloso-crenulata, textura firmiore et densiore, cellulis ,-75™™, e chlorophyllo copioso szepius subopacis, lobulo semper fere majore magisque turgido, in paucis speciebus lobum fere equante. Foliola segmentis constanter subulatis. Florescentia omnium fere dioica; in Microstipis e contra omnes fere species monoice sunt. Micro-LreJEUNEA. 287 Hab. In cortice et in foliis vivis, rarius in saxis, seepe aliis hepaticis et muscis irrepentes; loca sylvatica tam planitiel quam montium dili- gentes. Distr. Species sub 16 hucusque cognitee omnes fere neotropice, una autem in insula Java (L. cucullata N.), altera (L. punctiformis Tayl.) in India, 2 in Europa occidentali et America boreali temperata (se. L. wlicina Tayl. et L. diversiloba Spruce) crescunt. In Amazonia, et in Andibus, occidentalibus preecipue, 6 species legi, quarum una sola (L. lucens Tay1.) antea descripta fuerit. A. Folia lobulo mediocri parvove aucta. a. Flores dioici. 1. Micro-L. lucens. Albicans parce ramosa, interdum ramulis parvifoliis pinnulata. F. angulo 60° patentia ovato-oblonga subsemicordata apice rotundata, recte complicata, lobulo 2-8-plo breviore, nune obsoleto, c. 347. Foliola 2-plo breviora ovali-rotunda ultra } bifida, segmeantis late subulatis acutis. Br. parum ineequilobe obtuse acuteve; bracteola ovali-lanceolata bifida. Per. subemersa late pyri- formia turgidiuscula. [Micro-L. cucullata N. Pallide viridis parce et subfastigiatim ramosa. F, subimbricata, inferiora erectiora brevioraque, superiora angulo 70° patentia, ovato-rotunda, lobuloduplo breviore turgido interdum apicu- lato, c. gg™™. Folivla 2-plo breviora ovali-rotunda ad 4 bifida, segmentis subobtusis. Br. foliis multo longiores, lobo subrotundato, lobulo sat breviore angusto; bracteola ovalis vix ad $ bifida. (Per emersa obovata compressa apicem versus 5-carinata). Java.] [Micro-L diversiloba 8S. Fulvo-viridis pauciramosa, caule ramisque fili- formibus subparallelis. F. subcontigua angulo 30° erecto-patentia, obovato-oblonga rotundata raro subacuta, lobulo 2-plo breviore sub- inflato acuto, interdum minuto obsoletove, c. @:™™. Foliola 4-plo minora subrotunda ultra } bifida, segmentis acutis. Br. foliis sub- longiores, lobo subacuto, lobulo subzequilongo angustiore; bracteola obovato-lanceolata ultra 4 bifida. Hibernia.) 2. Micro-L. subrufula. Rufescens subpinnata. F. dissita erecto-patentia ovato-lanceolata subacuta, lobulo vix 3-plo breviore inflato apiculato, c. t5@™™. Foliola plus 3-plo minora ovata ultra $ bifida, segmentis subulatis. 3. Micro-L. perpusilla. Minuta pallida subramosa. F, dissita erecto- patentia ovato-triangularia subacuta, lobulo 4 folium superante sac- cato acuto, c. minutis. Foliola 4-plo minora profunde bifida, seg- mentis lato-subulatis. Br. foliis fere duplo longiores, lobo falcato- rhomboideo, lobulo duplo angustiore; bracteola late ligulata bifida. Micro-L. bullata, a priore differt foliis duplo minoribus ovatis obtusatis, lobulo lobum fere zquante, cellulis preeminutis; bracteis erectis. Perianthia alte emersa pyriformia alte 5-carinata. (Videas etiam ad pedem sectionis sequentis.) 5, Micro-L. aphanes. Pallide fulva tenui-ramosa. F. subdissita late patentia ovata rotundata, lobulo 3-plo breviore turgido, c. parvis (5™™). Foliola minuta, foliis 7-plo breviora oblonga ultra 3 bifida, Br, foliis minores, lobis subzequilongis, inferiore anguste lineari; bracteola anguste oblonga apice apiculato-bidentata, Per. subemersa obovata compressula altiuscule 5-carinata. ANS 288 Micro-LEJEUNEA. b. Flores monoict. 6. Micro-L. aphanella. Minuta rufa subceespitosa. F. distantia late patentia ovato-lanceolata subacuta subintegerrima, lobulo duplo breviore subinflato interdum obsoleto, cellulis minutulis planis, paucis ad carinam marginemque convexis. Foliola minuta 4 c¢. longa bipartita, cruribus subulatis. Br. foliis 2-plo longiores, acute; bracteola lanceolato-oblonga vix ad 4 bifida. Per. magna obovata turgida, carinis superne papulosis. 7. Micro-L. pusilla. Albicans subpinnata. FF. subcontigua patentia ovato-ovalia rotundata valde sinuato-complicata, lobulo plus duplo breviore turgido, c. parvis. Foliola 4-plo minora cuneato-rotunda, vix ad 4 bifida, segmentis obtusis. Br. foliis equales acutze obtu- seeve; bracteola cuneato-lanceolata ad 4 bifida. Per. alte emersa pyriformia subcompressa preealte 5-carinata leevia. B. Folia fere tota convoluta, conchoidea. Dioicee. [Micro-L. ulicina T. Viridis vage ramosa. F. subdissit arotundo-ovata concava sepius subacuta subpapulosa a basi ad ? alt., vel fere ad apicem usque, complicata, lobulo subangustiore acuto, cellulis minu- tulis convexis. Foliola 3-plo breviora ovalia ultra } bifida, segmentis lineari-subulatis. Br. maxime foliis 2-3-plo majores, patulze, com- plicato-bilobze, ad carinam anguste alatz, lobis acutis, inferiore sub- minore, erosulis v. subdenticulatis; bracteola oblonga ad 4% bifida, segmentis acutis. Europa. | 4, Micro-L. bullata. 'Tenuissima subramosa. F. distantia suberecta tota fere convoluta ovoideo-conchoidea, lobo obtusato, lobulo parum breviore subacuto, ¢. preeminutis convexis. Foliola minuta caule abscondita profunde bifida, segmentis linearibus subulatisve erectis. Br. magne exalatee integerrime. Per. alte emersa pyriformia alte 5-carinata. 1. Micro-LEJEUNEA LUCENS, Tayl.! In Lond. Journ. Bot. (1846), p. 399. Syn. Hep. 764. Hab. Ad fluvium Guamé prope Parad, in palmarum truncis. Tarapoto, Andium Peruvie, ad arborum pedem. “ Pard, in cortice” (T. L. R.! in hb. Hook.) F -4x°32, 3x2; lob “1-15; ¢ #3; f-15 x1; br -b 5 O74 oe per 5X °3™™, Pusilla pulchre albicans late effusa, in sicco immutata haud facile emol- litura. Caules 4™™ longi parce et vage ramosi, interdum ramulis parvifoliis assurgentibus deciduis pinnulati. Folia subdissita subplana, angulo 60° a caule patentia, oblique ovato- subtriangularia—ramea ovato-oblonga—rotundata obtusatave, basi subsemicordata, subrecte complicata; lobulus 2-3-plo brevior sub- saccatus, subquadratus sed e convolutione ovatus, apice brevi vel in dentem longiusculum protracto, haud raro obsoletus; cellule parvee hexagonz subconformes levissimee pellucide, ambitu anguste opacee. Foliola subdissita, foliis plus duplo breviora, ovali-rotunda tenerrima vitrea, interdum utrinque unidentata, apice paulo ultra medium subobtuse bifida, segmentis late subulatis acutis, basi 3-4 cell. latis. Flores dioici: 2 in caule ramove innovando-prolifero terminales. Bracteze foliis sublongiores erectee complicate, ad 4 fere bilobee, lobis parum Micro-LEJEUNEA. 289 insequalibus lanceolatis obtusis acutisve; bracteola eequilonga ovali- lanceolata bifida, segmentis acutis. Perianthia vix emersa late pyriformia brevirostria, parum compressa, 5-carinata, carinis levissimis. Andreecia basin rami longioris tenentia julacea; bractese 5-6-jugee foliis equimagnee turgid, lobulo dimidium lobum equante. Planta Tarapotensis subminor est, foliis interdum subacutis, persepe elobulatis. 2. Micro-LEJEUNEA SUBRUFULA, Spruce. Hab. Chimborazo, in arboris folio vivo, sterilis. eae 205.100) “Lose 3, 3 f'* ‘125 x1. Pusilla repens rufescens. Caules semipollicares laxe subpinnati. Folia dissita erecto-patentia ovato-lanceolata subacuta subrecte compli- cata; lobulus vix triplo ovoideus inflatus apiculato-acutus; cellule parve fere planissimz ambitu subopacee, pariete vix incrassato. Foliola foliis plus triplo minora ovata, ultra 4 bifida, segmentis subu- latis. Ab hae distat Micro-L. perpusilla minutie, foliis duplo minoribus ovato- triangularibus, lobulo magno; foliolis plus duplo minoribus ; cellulis minutis. , 3. Micro-LEJEUNEA PERPUSILLA, Spruce. Hab. In monte Azuay Andium Quitensium, supra L. pallescentem Mitt. repens. F +2. x.125; lob. 125-15; ¢ ay 3 f'% °05; br (lob) 385 x -1™™, Minuta pallida. Caules 3™™ longi, parum ramosi. Folia dissita erecto-patentia ovato-triangularia-rhomboideave acuta ob- tusave, recte complicata; lobulus dimidium folium superans, sac- catus, apice brevi acuto occulto; cellulee minute subelongate plane pellucidze leptodermes. Foliola minuta, foliis 4-plo minora, profunde bifida, segmentis late subu- latis 3 cellulas (elongatas) longis, basi 3 c¢. latis. Flores dioici: 9 terminales, cum innovatione simplice. Bractez foliis duplo fere longiores complicate breviter bilohz, lobo faleato-rhom- boideo, lobulo duplo angustiore lineari vel subcuneato; bracteola late ligulata bifida. Differt a Micro-L. pusilla floribus dioicis; foliis duplo fere minoribus subacutis (nec rotundatis), lobulo pro ratione majore, cellulis minutis ; foliolis angustioribus. 4, Micro-LEJEUNEA BULLATA, Tayl.! Lond. Journ, Bot. 1846, p. 398. Syn. Hep. 767. Hab. In Andibus Quitensibus sylvaticis, locis Rio Verde ad pedem montis Tunguragua; Chimborazo; Azuay; in ramis supra alias Lejeuneas, Frullanias, etc. repens: rara et rarissime fertilis, Insula 8. Vin- centii (GUILDING ! in hb. Hook.), F 1X '0%¢ ydq3 f* 03-05; br 25; per 4x -Qmm, Pallida tenerrima prostrata sparsa. Caules }-pollicares filiformes parum ramosi, ramique flexuosi. TRANS, BOT. SOC. EDIN, VOL. XV. 20 290 Micro-LEJEUNEA. Folia distantia suberecta oblique ovata obtusata, cum lobulo conche- formi-concava, subpapulosa; lobulus folii ? eequans superansve, lobo equilatus, bullatus, margine incurvus, apice brevi-acutus; cellule preminute leptodermes pellucidz subprominule. Foliola foliis 2-3-plo breviora obuvata, ad vel ultra } bifida, segmentis lato-subulatis acutis. Flores dioici: 2 terminales, innovatione suffulti. Bractea foliis plus duplo longiores suberectze complicate breviter bifida, lobis obovatis subinequalibus; bracteola basi utrinque connata oblonga bifida (manca solum visa). Perianthia foliis 4-plo longiora pyriformia rostellata alte 5-carinata levia, Andreecia medio caule ramove posita; bracteze sub 3-jugee, foliis majores, eequilobee. Obs. Specimina originalia Taylori in herb. Hook. haud differunt nisi foliolis paulo profundius fissis: ex ins. S. Vincentii proveniunt. L. punctifornis Tayl., 1. ¢., ex India orientali, probabiliter conspecifica erit. L. perpusilla nostra folia habet duplo longiora perseepe acuta, foliola autem vix majora quam in L. bullata. 5. Micro-LEJEUNEA APHANES, Spruce. Hab. Ad fl. Casiquiari, in truncis inundatis supra muscos repens. F 35 x ‘2; lob 125; ¢ A; f* 05 x ‘04; br (lobus) *25; brie -2x+1; per 4x cou Pusilla pallide fulva; caules $ pollicares subramosi, ramique tenues elongati laxifolii. Folia dissita v. subcontigua, axi angulo 60°-80° patente, oblique ovata (in situ obovata videntur) rotundata, subrecte complicata, lobulus 3- plo brevior ovato-rotundus turgidus, apice acuto seepius occulto; cellule parvee leptodermes subpellucide subplane. Foliola minuta, foliis 7-plo minora, caule occulta, oblonga vel obovata, ultra medium bifida, segmentis late subulatis acutis. Flores dioici: 2 in ramo breviusculo terminales, innovatione simplice suffulti; bractee folias minores complicate, lobis oblique obovatis rotundatis (v. altero subacuto), lobulis subbrevioribus linearibus; bracteola anguste oblonga apice apiculato-bidentata. Perianthia subemersa obovata subrostellata compressula altiuscule 5- carinata, carinis levibus. L. radicans L. et G., subsimilis, folia habet solum obtusa, lobulo in- terdum deficiente, bracteas ad apicem fere usque integras, et bracteolam foliolis conformem. 6. Micro-LEJEUNEA APHANELLA, Spruce. Hab. In arborum cortice secus flumen Negro, haud infrequens, locis Mandos, Marabitanas, aliisque, ob minutiem facile preetervisa. F'*15 x 08; lob -08; c™ 4; fiz ‘07; br °3; br’ -25 x ‘08; per 4 x °25—3™m, Minuta rufa dense ceespitoso-procumbens. Caules 3™™ longi fragiles flexuosi pauciramei. Folia distantia late patentia ovato-lanceolata subacuta, rarius obtusata, integerrima rariusve cellula una alterave extante subcrenulata, recte complicata; lobulus dimidium folium eequans superansye, Micro-LeJEUNEA. 291 ovatus subinflatus acutus, seepe nullus; cellule: minutule suboblongee subplanee (ad plicam tamen convexulz), medio pellucida, ambitu annulo chlorophylli lato colorato opace. F. ramulina interdum diminuta subzequiloba. Foliola minuta bipartita, cruribus 4 cellulas longis, basi 2 cell, apice 1 cell. latis. Flores monoici: 9 in ramo perbrevi terminales, innovatione simplice suffulti. Bracteze foliis duplo longiores appressee, ad medium com- plicato-bilobze, lobis lanceolatis acutis, inferiore subbreviore duplo angustiore; bracteola lanceolato-oblonga vix ad 4 bifida, segmentis erectis subobtusis acutisve. Perianthia foliis triplo fere longiora, obovata vel turgide pyriformia brevirostria 5-carinata, carinis superne cellulis pellucidis exstanti- bus plus minus papulosis. Andreecia in ramis terminalia; bracteze paucee, 2 vel 3, majusculze rotundo- cymbiformes, apice bilobee. L, lepida L. et G. Syn. Hep. 766; Gottsch. in Hep. Mex. 224, nostree foliorum forma lobuloque vario sat similis, foliola habet majora ad 3 solum bifida; bracteas subzequilobas; bracteolam magnam ovato-rotun- dam, et perianthium levissimum.—Z. cancellata Mont., foliis ovalibus obtusis grosse reticulatis, perianthiis cylindricis apice solo pentagonis, longius distat. 7. Micro-LEJEUNEA PUSILLA, Spruce. Hab. Chimborazo, in arboris folio vivo, cum aliis hepaticis, F -35 x °3 (lobulo incluso) vel x2 (lobulo excluso); lob 15; ¢ sh; f'* ‘075 x bs br ops O93: x “ks per -6 x32 Pusilla albicans pellucida. Caules 1 longi prostrati vage subpinnatim ramosi, ramulis subinde parvifoliis. Folia subcontigua, angulo 50°-60° patula, oblique ovato-ovalia rotundata obtusatave caviuscula, infra medium valde sinuato-complicata; lobulus plus duplo brevior ovatus turgidus, apice brevi acuto; cellule parvee pellucidee. Foliola minuta, foliis 5-plo fere minora, caule vix latiora, cuneato-ro- tunda, apice vix ad 4 bifida, segmentis obtusis patulis basi 4 cellu- las latis. Flores monoici: 2 in ramo brevi terminales, innovatione tenui suffulti. Bractez appressze foliis subeequilongze, profunde bilobee, lobis sub- ineequalibus lanceolatis obtusis acutisve; bracteola cuneato-lanceo- lata ad 4 bifida. Perianthia alte emersa pellucida pyriformia rostellata subcompressa preealte 5-carinata, apice demum in valvulas 5 apiculatas dehis- centia. Amenta ¢ cauligena, folio collaterali sublongiora; bracteze sub 3-jugee. Lejeunee cucullate N., L. lucenti Tayl., et L. perpusille Spruce affinis, ab illis omnibus florescentia monoica distat--Ad Harpa-Lejuncas e foliolis subeuneatis, segmentis breviusculis obtusis, accedit. Suspcenus XXX V.—COLO-LEJEUNEA, S. Subgenus, defectu foliolorum bracteolarumque absoluto, a cieteris 292 CoLo-LEJEUNEA, omnibus Lejeuneis diversum, quoad foliorum formam sat variabile, in duas sectiones naturales (fere subgenericas) perianthii forma bene divi- dendum : sc. I. PHyYsocouEa, perianthiis turgidis argute 5-carinatis, rarissime fere ecarinatis. II. Leprocouga, perianthiis valde compressis, sepe obcordatis, postice convents carinisque 2 (demum subobsoletis) percursis. Physocolee caracteres pleniores sunt qui sequuntur. Plante pusillz, alice preminutz, prostrate, plagulas tenues—vix unquam stratificatas—sistentes, raro ramis assurgentibus ceespitulosee. Caules fragiles subfasciculatim, raro pinnatim, ramosi, ramique geniculato- flexuosi, folium ad quemque flexuram proferentes. Folia seepius dissita, basi perbrevi fere transversa inserta, subrotunda ovaliave, v. margine postico fere toto incurva turgidaque, v. solum concava, cochleariformia, lobulo dimidium folium fere sistente v. ad dentem redacto ; raro angustiora acuminataque, levia papulo- save, rarissime muriculata; cellule parvee (mediz 2,—4;mm. dia- metro), fere semper leptodermes plane v. obtuse (raro acute) pro- minule. Foliola nulla. Radicelle szepe cuique folio tribute, pauce, fasciatee penicillatzve. Flores monoici, rarissime dioici. Rami 9 innovati; bractez foliis vix diverse, inter se et a perianthio sepius dissite, raro complicate, parvi-lobulate vel non ; bracteola 0. Perianthia turbinata, raro longe pyriformia, turgida, alte 5-carinata (in unica sp. fere ecarinata) carinis seepius papulosis, raro muricatis, post capsulam emissam elongata et quasi-stipitata. Andreecia varie posita; bracteze seepe magne, pauci-multijugee, monandre. Leptocolea a Physocolea differt perianthii forma, necnon colore szepe rufescente, foliis planioribus oblongis sublingueeformibus, lobulo normali parvo interdum fere obsoleto; bracteis multo minoribus complicatis, altera (minore) seepe fere zequiloha. Hab. Species Americ tropice plurimee foliicole filicicoleeque, paucz in arborum truncis ramulisque, preecipue inundatis; Europeez in arborum fruticumque (Quercus, Ulicis, Callune, etc.) cortice, etiam ad rupes, in Frullanivs perseepe parasitantes. Distr. In America eequatoriali 11 species legi, quarum 7 (omnes nove ?) ad § Physocoleam pertinent—una per totam continentis latitudinem, ab oris atlanticis ad pacificas usque, obvia, etiam in Andes sylvaticos ad alt. 2000™ usque ascendit; caeteree omnes extra planitiem Amazonicam haud visee. Ad § Leptocoleam referende sunt species 4, quarum 2 antea inde- scripte, omnes planitiicole nisi C. L. micrandrecia n. sp. in Andibus Peruvianis alt. 500™ semel inventa.—Alize Colo-Lejeunee ab auctoribus descriptee sunt 10 (vel plures) species, sc. 3: L. minutissima Sm. (=L. inconspicua Raddi), L. calearea Lib., et L. microscopica Tayl., insulis Britannicis (Hibernia preecipue), 2 priores etiam in Europa continentali et America bor. temperata, indigenze; 4 vel 5 Americz tropice adscripte et 3 paleotropice, que omnes iterata examinatione egent. I. PHysocoLkEa. 1. Folia basi postica lobulo tertio (stylove) minuto digitiformi aucta, [C. L. calcarea Lib. F. concinne disticha, facie muriculata, margine muri- CoLo-LEJEUNEA. 293 culata denticulataque, recte laxe complicata, lobo ovato acuminato acuto, apice decurvulo, lobulo normali duplo breviore angustioreque subquadrato plano. Rami ¢ brevissimi, innovatione simplice micro- phylla aucti. Br. foliis submajores quadrato-rotunde biloba, vix complicate, valde muricatee. Per. turbinata v. ovato-oblonga, rotun- dato-truncata obsolete rostellata obtuse 5-carinata tota facie muricu- lata. Hwropa.]| 2. Folia lobulo accessorio nullo. A. Flores dioict. 1. C.-L. megalandra. F. disticha sed varie patula flaccida subrotunda, integra, haud complicata, margine postico fere plana vel late incurva; cellule subprominule punctulate. Andreecia in caule terminalia, robusta julacea; br. plurijugee magne turgide, antheridium soli- tarium maximum. foventes. B. Flores monoici. 2. C.-L. turbinifera. Caules breves subfasciculato-ramosi. F. subimbri- cata obovata vel fere orbiculata retusa rotundatave, facie margineque papulosa minuteque scaberula, a basi alte complicata, plica lanceolata vix inflata. Fl. 2 in caule ramisque terminales, innovatione (sepe prolifera) suffulti. Br. dissitee foliis fere conformes, raro complicate, interdum apice bilobe. Per. turbinata turgida ab ipsa basi argute 5-carinata ubique papulosa. Andr. in ramo terminalia; br. 3-5- jugee. 3. C.-L. myriandrecia, Caules elongati, ramulis 9, et preecipue ¢, crebre pinnulati. F. distantia elliptica rotundata obtusatave, margine postico fere toto (interdum bis) complicata sublevissima. Fl. 2 in ramulo brevi innovato (interdum prolifero) terminales. Br. dissitee eplicate infra apicem dente extante lobulate. Per. pyri-vel fusi- formia acute 5-carinata leevia. 4. C-.L. gymnocolea. Caules basi fasciculatim ramosi. F. subimbricata seepe subsquarrosa late semiovata obtusata, haud complicata margine autem postico supra medium unidentata. FI. 2 in caule ramove iteratim innovando-prolifero terminales. Br. distantes, foliis con- formes. Per. basi nuda, pyriformia subcompressa acute 5-carinata leevissima. [C.-L. minutissima Sm. Vage ramosa. F, distantia subrotunda tota fere longitudine complicata valde concava turgidaque subpapulosa, lobulo lobo perpaulo angustiore. Br. ? foliis duplo longiores late oblongze parum complicate, brevissime bilobee, lobulo postico duplo angustiore. Per. emersa turbinata pyriformiave compressula argute 5-carinata sublavia, interdum ad carinas cellulis pellucidis uniseriatis papulosa. Andr. ramis brevibus robustis constantia; bracteze foliis subminores majoresve cymbiformes valde papulosze monandree. Europa. |] [C.-L. microscopica Tayl. Preminuta albida pellucida subramosa. F. dis- tantia ovoideo-fusiformia alte papulosa parum inzequiloba, lobo antico ultra posticum in apicem brevem subacutum, triangularem y. brevi- lingueeformem spe prominente. Br. parum dissite foliis angus- tiores longioresque. Per. obovata obconicave ecarinata pellucida. Fl. paroici. Hubernia.] §. C.-L. liliputiana. Minuta. F. distantia ovato-ligulata triplo longiora quam lata, a basi ad % alt. tota convoluto-complicata, ultra plicam 294 CoLo-LEJEUNEA. in apicem planum obtusatum producta. Br. foliis longiores ligulatee ad 4 bifidse subzequilobee. Per. pyriformia 5-carinata, carinis apice rotundo-subprominulis. 6. C.-L. ensifolia. Minuta albida pellucida. F. dissita falcata et hamata, anguste lanceolata acuminata 5-7-plo longiora quam lata, recte com- plicata, lobulo inflato f. 4-plo breviore (nullove), Fl. in ramo bre- vissimo terminales, innovatione interdum prolifera suffulti. Br. foliis subconformes, lobulo autem longiore. Per. subemersa obconico-pyri- formia supra medium 5-gona, angulis superne papulosis.—Var. pyg- mea, preminuta, foliis subplanis latioribus, ovato-lanceolatis; peri- anthii carinis apice rotundo-prominulis. II. Leprocorea. Per valde compressa, sepe obcordata, postice convexa cari- nisque 2 (demum subobsoletis) percursa. A. F, cellulis marginalibus subconformabus. 7. C.-L. micrandrecia. Pallide viridis. F. contigua oblonga rotundata, ipsa basi complicata, plicd minuté margine dente setiformi aucta, subpapulosa. Br. minutz. Per. obcordato-cuneata margine papu- losa ceeterum levia. Andr. ramulo minuto tenui cauligeno con- stantia. 8. C.-L. obliqua. Albicans, F. subdissita seepe assurgenti-secunda oblique oblonga v. subligulata rotundata, margine facieque (apicem versus) scaberula; lobulus 2-4-plo brevior ovato-rectangularis, basi sola tur- gidus, apice bidentatus. Br. parvee complicate. Per. cuneata trun- cata obcordatave tota facie muricata. Andr. in ramis terminalia laxiuscula. ; 9. C.-L. platyneura. Rufula.. F. subimbricata ovato-linguzeformia rotun data antice celluloso-erosula, cellulis mediis pluriseriatis elongatis vacuis late vittata, ceeteris cellulis minutissimis muricato-prominulis; lobulus 3-plo brevior subtransversus ovato-fusiformis acutus. Br. f. breviores, altera (major) inzequiloba, altera fere eequiloba. Per. late cuneata rotundo-truncata, margine toto minute muriculata. Andr. spica brevi cauligena constantia. B. Folia margine, v. saltem apice, cellulis elongatis vacuis scarioso- limbata. 10. C.-L. subscariosa. Rufescens tenerrima. F. imbricata semicordato- oblongo-rotunda apice scariosa, lobulo minuto seepe obsoleto. Rami © brevissimi innovati, interdum biflori. Br. foliis multo minores. Per. late obcordato-cuneata postice gibboso-convexa ecarinata, mar- gine peranguste alata. Andr. brevia, v. ramulo constantia v. in caule terminalia. ll. CO. L. cardiocarpa. Viridi-rufa. F. imbricata ovato-oblonga obtusata, cellulis autem adventitiis scariosis sepissime acuminata; lobulus 2-3-plo minor planus sublingulatus obtusus. Br. foliis fere zqui- magne. Per. late obovato-pyriformia rotundata v. obcordata, postice alte convexa primum 2-carinulata. Andr. cauligena folio proximo sublongiora. 1. CoLto-LEJEUNEA MEGALANDRA, Spruce. Hab. In flum. Amazonum sylvis, juxta Obidos, in cortice vetusto. F -4x 35, °35 x 25, ¢ ap™™. Minuta, saturate viridis, dense late czespitosa. Caules 2-3™™ longi ascen- CoLo-LEJEUNEA. 295 dentes pellucidi, 3 cellulas diametro, simplices vel ramum unum alterumve edentes—rarissime longiores et subpinnati. Folia dissita vel subimbricata, basi brevi subtransversa distiche inserta, varie patula, flaccida et undulata, subrotunda cqncava repanda papu- losa, margine postico planiuscula vel plus minus late incurva, lobulo nullo; cellule parvule equilatero-hexagonz leptodermes convexule, tota facie verruculosee (quasi punctulatee) opace, demum pellu- centes. Foliola nulla. E cujusque folii basi profertur radicella una alterave preelonga—raro plures fasciculatie. Flores dioici: Q haud visi; androecia magna ovato-fusiformia, caulis dimidium superiorem tenentia; bracteze plurijuge, arctiuscule imbri- cate, inferiores foliis imo majores, superiores sensim minores, tur- gid, margine postico toto late involuto antheridium solitarium maximum foventes. Forsan pro forma L. turbinifere juvenili, mere mascula, habenda; florescentia attamen dioica cum eadem conjungere vetat. 2. Co.o-LEJEUNEA TURBINIFERA, Spruce. Hab. In arborum pomiferarum cortice in Andibus Quitensibus infra 2000, alt., locis Banos, ad pedem M. Tunguragua, in Citri cortice, Loja et Guataxi; etiam ad Andium pedem occidentalem, loco Daule prope Guayaquil; ad fl. Amazonum ostia juxta predium Tauaa; ad S. Carlos fl. Negro, in Artocarpi cortice. Ff -4x°35; lob 1 latus; ¢ 4k; br 45x °35; per 5 x °35, 65 x -45™™, Pusilla tenera viridis in plagulas densas effusa. Caules 1} pollicis longi fragiles pellucidi, subfasciculato-ramosi, ramique paucifolii arcte repentes subassurgentesve, ad foliorum insertionem geniculati. Folia plus minus imbricata, assurgentia, ex angusta et subtransversa basi obovata, cuneato-rotunda v. fere orbiculata, apice lato retusa rotun- datave, facie margineque papulosa, a basi ad medium vel fere ad apicem usque complicata, plica erecta lanceolata parum inflata seepius edentula; cellule subparvee eequilaterze leptodermes, insigniter con- vexo-prominul, scaberule, subpellucidee, chlorophyllo parco et v. sparso v. in cellule centro congesto.—In ramis sterilibus frequenter adveniunt folia solum concava, margine postico gibboso-incurva, nec complicata, Foliola 0, adsunt tamen radicelle validee, solitarize v. paucz et fasciate, ad folii cujusque basin. : ; Flores monoici et dioici: 2 crebri, terminales, innovatione parvifolia brevi simplice, v. longiore iterumque florifera, suffulti. Bracteze (vix propriz) alternze, inter se et demum a perianthio late dissitz, foliis fere conformes, snborbiculate, raro subcomplicatee, v. apice inzequa- liter bilobze v. lobulo angusto explanato auctz; bracteola 0. Perianthia subemersa—demum alte exserta—turbinata, turgida tenui- rostellata, ab ipsa basi argute 5-carinata, ubique, ad carinas preecipue, papulosa. Andrecia ramum terminantia validiuscula, ovoidea compressula; bracteze 3-5 jugee, haud arcte imbricatze, foliis minores sed latius complicatie, monandre. L. epiphyta G. (Syn. Hep. 391.) differt foliis ellipticis (explanatis cor- datis), perianthiis parvis apice solo pentagonis, 296 CoLo-LEJEUNEA. Obs. In the fold of the leaves I find sometimes as many as ten globular pale reddish bodies (eggs?), with a perfectly smooth thin coat or shell, containing only mucus. 3. CoLo-LEJEUNEA MYRIANDRECIA, Spruce, Hab. Ad fluvium Uaupés, in imis truncis inundatis arenaque obrutis. F -3x°2, lob -25, ¢ ay; br 3x °15; per 35x15; andrecia -25—5™™, Pusilla pallide olivacea tenui strato late effusa. Caules filiformes 3-4 poll. longi, parum divisi, dein ramulis crebris brevibus—szpe floriferis, ? vel ¢—pinnulati. Folia distantia, basi angusta transversa inserta, angulo 45° patentia, ellip- tica rotundata obtusatave integerrima concava, margine toto fere postico obtuse complicata; lobulus (potius plica) czetero folio duplo et ultra angustior, lanceolatus, seepe iterum implicatus; cellule minutule sequilateree vel parum elongate, subplanz, leptodermes, opacee, chlorophyllo sat copioso cellulz centrum versus coacervato. Foliola 0. Radicelle pallidz inzequilongze, pauce ad cujusque folii basin fasciculata. Flores monoici: ¢ in ramulo brevi parvifolio, inovando sepeque iterum florifero, terminales. Bracteze foliis caulinis equilongz sed angus- tiores, ovales, paulo infra apicem dente extante (lobulum sistente) auctze, vel non; altera seepe minor; bracteola 0. Perianthia parum emergentia pyriformia vel subfusiformia, brevissime rostellata, tota longitudine alte 5-carinata. Andreecia floribus 9 longe numerosiora, ramulo brevi constantia; bractez 3-8-jugee cymbiformes, apice rotundato brevissime bilobe. A Colo-L. turbinifera 8. differt caule elongato crebre pinnulato; foliis et precipue bracteis angustioribus; perianthiis plus duplo longioribus quam latis—pyriformibus, nec turbinatis; demum cellulis dimidio minori- bus subplanis. Obs. There is no proper lobule, but the postical margin of the leaf is widely folded in, the fold being widest in the middle, and running to a point at each extremity, so as to be somewhat lanceolate. Sometimes the fold itself is again enfolded, along its middle, so that the leaves may be called “ bis complicata.” 4. CoLo-LEJEUNEA GYMNOCOLEA, Spruce. Hab. In Calliandri surinamensis ramulis, aquis fluvii Bombonasa inun- datis. F ‘8x ‘625, 65 x 55, ¢ 35; per “75 x -45™™, Pusilla czespitosa viridis. Caules t-4-pollicares, ascendentes, basi dense radicellosi fasciculatim ramosi; rami arhizi, 3 cellulas lati, pellucidi, simplices vel ramulosi. Folia imbricata vel dissita, distiche patula vel subsquarrosa, basi an- susta inserta, late semiovata obtusata, undulata, siccando crispata, margine postico supra medium unidentata (dente lobulum sistente, interdum nullo); cellule parvee equilateree conformes leptodermes valde chlorophyllose.—Ad surculos elongatos aliquando adyeniunt folia apice triloba vel heteromorpha. CoLo-LEJEUNEA. 297 Flores monoici: 9 terminales in caule ramove iteratim innovando— prolifero. Bractez propriz nulle, nisi folium perianthio proximum, innovationi ex parte adnatum, ceteris foliis paulo majus, pro bractea habendum. Perianthia basi nuda (i.e. a bractea subremota) foliis caulinis subeequi- longa, pyriformia subcompressa, tota longitudine acute 5-carinata, levissima, apice rotundato cbsolete rostellata. Capsula globosa, breviter exserta. Andrecia spicam elongatam—raro breviorem—in ramo primario pro more terminalem sistentia; bracteze usque ad 20-jugze julaceo- equitantes late ovate ventricoso-concavee, apice brevissime ine- qualiter bifid, lobis obtusis. Antheridia magna solitaria. Plantula singularis et exquisita, L. minutissime, turbinifere, e. a. certe affinis, sed distinctissima ! 5, CoLo-LEJEUNEA LILIPUTIANA, Spruce. Hab. Ad fluvium Casiquiari, in arborum foliis vivis, supra alias Lejeuneas repens. F 15 x ‘05, lob ‘1, ¢ aj; br ‘2-25 x 07; per °25 x *15™™, Minuta pallida. Caules }-pollicares filiformes fragiles flexuoso-intricati, pauciramei, radicellosi. Folia distantia ovato-ligulata, triplo longiora quam lata, a basi ad 2 alt. tota latitudine convoluto-complicata—plica rarissime obsoleta—apice plano obtusata; cellule subconformes rhomboideo-hexagonze parum elongate pellucide leptodermes. Foliola 0. Flores monoici: 2 terminales, cum innovatione. Bractez foliis dimidio longiores suberecte ligulate, apice ad 4 bifide, segmentis subzequali- bus subacutis; bracteola 0. Perianthia subemersa pellucida pyriformia brevirostria vix compressa 5- carinata, carinis apice rotundo-subprominulis. A L. ensifolia distat minutie, foliis latioribus multo magis alte com- plicatis, bracteis subeequilobis, perianthii carinis lzvibus. 6. CoLo-LEJEUNEA ENSIFOLIA, Spruce. Hab. Ad fl. Negro, plurimis locis, in filicibus, preecipue Trichomanis spe- ciebus diversis, rariusin arborum foliis; ad S Carlos, in Pariwoe legumine carioso. F 5x07, ‘1; lob 125-0; ¢ 3-4; br lob 5 x°1; per 6x 4™™, Minnta, in plagas albidas flavidasve conferta. Caules 3-pollicares pro- strati vage et subfasciculato-ramosi, ramis interdum a matrice liberis arcuatis apice sensim parvifoliis. Folia dissita, assurgenti-secunda, falcata et hamata, anguste lanceolata acuminata, latitudine varia (4—10c. ubi latissima), seepe 7-plo longiora quam lata, pellucida, celluloso-subcrenulata, recte complicata; lobu- lus 4-plo brevior inflatus, fusiformis, saepe nullus; cellule mediocres, marginales subminores oblique rhombez, interiores oblonge 4-6- angulares, folii axi parallele, omnes parum prominule, leptodermes. Foliola nulla; haustoria interdum cuique folio tributa, penicilliformia, seepe tamen absentia. Flores monoici: 2 in ramo brevissimo terminales, cum innovatione TRANS. BOT. SOC. EDIN. VOL. XV. 2P 298 CoLo-LEJEUNEA. perbrevi simplice—raro in ramo longiore innovato. Bractez foliis subconformes bilobe (nec semper complicate) lobulo lobo duplo breviore lanceolato v. lineari; bracteola 0. Perianthia foliis sublongiora obconico-pyriformia rotundato-truncata ob- scure rostellata supra medium 5-gona, angulis apice carinatis sub- papulosis, demum aperta campaniformia. Andrecia in ramis terminalia; bracteze sub 5-jugze laxe foliis parum diverse, lobulo autem majore. Var. pygmea. Caules foliaque minora matrici arcte applanata. Folia ovato-lanceolata obtusa subacutave 10-12 cell. lata, lobulo triplo breviore nullove. Perianthia carinis apice altius rotundo-prominu- lis papulosis.—Mandos, in Adianti fronde; S. Carlos, in arboris folio. —Pro foliis planissimis latioribus, perianthiisque apice quasi 5-umbo- natis, probabiliter species propria erit. 7. CoLto-LEJEUNEA MICRANDRGCIA, Spruce. Hab. Tarapoto Andium Peruviz in Acrostichi frondibus. F°8x°4, 75 x ‘5; ¢ sy; br -25; per “6x “4, 5 x *35™m, Pusilla prostrata arcte adheerens pallide viridis ; Caules }-pollicares sub- ramosi fragiles. Folia pro plantula magna, contigua v. subimbricata, plana, oblonga v. ovato-oblonga—alia longiora angustioraque subligulata—apice ro- tundata truncatave, margine subcrenulata, basi brevissime inflexa, plica plana triangulari medium versus dentem setiformem cell. 3-5 longum erecto-patentem proferente; cellula mediocres oblongo- 4-6-gonz leptodermes pellucide convexule. Foliola 0; haustoria quotquot folia, penicillata. Flores monoici: @ in ramo brevissimo, innovatione parva simplice suf- fulti, terminales. Bracteze minute, foliis 3-plo breviores, ligulate, lobulata, complicate (vel altera non); bracteola 0. Perianthia obcordato-cuneata valde compressa, rostello perbrevi lato aucta, antice convexula apiceque obscure obtuse carinulata, postice humiliter bicarinata, carinis approximatis demum in unam latam confluentibus, margine papulosa. Andrecia cauligena minuta, folio proximo 3-4-plo breviora, bracteis 3-4 jugis turgidis. Species pulchella distinctissima! LZ. Dozyana Lac. Hep. Jav. t. 12, affinis videretur. 8. CoLro-LEJEUNEA OBLIQUA, Mont. et N.? Ann. Sc. Nat. a. 1843, p. 264.—Lejeunea erigens, Spruce Mst. Hab. In sylvis fl. Amazonum et precipue fluviorum Negro, Uaupés et Casiquiart, ad arborum folia viva; in Andes quoque sed rarius as- cendit. F 85x °45; lob 25; ¢ ps3 br °35; per 65 x 35mm, Mediocris pallida albescens flavidave, arcte adrepens seepeque alias Le- jeuneas infestans. Caules pollicares in orbem radiatim sed laxe ramosi, ramis pro more paucis elongatis. Folia flaccida pellucida, dissita, raro subimbricata, horizontalia vel sepe (post siccationem precipue) assurgenti-secunda, basi perangusta sub- CoLo-LEJEUNEA. 299 transversa inserta, oblique ovalia oblongave, interdum fere ligulata, seepe subdimidiata, apice rotundata, facie, marginem anticum apicem- que versus, necnon in ipso margine, scaberula, caeterum leevia integer- rimaque, recte complicata; lobulus 2-4-plo brevior ovato-rectangu- laris basi turgidus; supra medium planus appressus, apice bidentatus; cellulze mediocres, subleptodermes, inferiores sensim longiores, ad folii marginem anticum apicemque minores papilla brevi auctee, cxtere subplane. Flores monoici: 9° inramo spe iteratim innovando terminales. Bractez foliis plus duplo breviores complicate, lobo ligulato obtuso, lobulo sat minore lanceolato acuto, altera bractea longe minore; bracteola nulla. Perianthia emersa, f. caulinis breviora, cuneato-pyriformia compressa brevi-rostellata truncata v. obcordata, postice bicarinata (carinis demum in unam fere confluentibus) facie tota, ad margines compla- natos carinasque precipue, cellulis in papillam alte conicam acutam elevatis exasperata. Andreecia ramos tenninantia laxiuscula; bracteze 6-10-jugee, inferiores distantes inequaliter bilobze, superiores sensim minores tote fere complicate. Var. levigata. Duplo minor; foliis angustioribus (‘45 x ‘2™™), lobulo in- flato-fusiformi; bracteis longioribus, perianthii carinis angustioribus. —Ad fl. Amazonum et Negro, necnon in M. Tunguragua (alt. 2200"), Var. elobulata. Parvula, foliorum lobulo plane nullo.—Ad _ rivulum Cauapuna juxta Venezuelee confinia borealia. The radicles leave the stem, from the base of each leaf, in a short cylindrical fascicle, then spread out into a disciform haustorium, as ir Odonto-Lejeunea. In the inflated base of one leaf I found seven closely-packed small spherical muriculate bodies, probably eggs. 9. CoLo-LEJEUNEA PLATYNEURA, Spruce. Hab. 8S. Gabriel, juxta fluvii Negro cataractas, in arboris folio vivo. F 4x °3, lob 125-15 x ‘1, c. medie po-gg; submarginales 73,5; br 3x1; per 5x 4mm, Pusilla pulchella tenuis rufula arcte appressa; caules }4-pollicares parum ramosi. Folia subimbricata, angulo axiali sub 70° patentia, basi perbrevi affixa, oblique ovato-oblonga sublinguzeformia, rotundata, margine antico minute celluloso-erosula, postico subrecte complicata; lobulus sub- horizontalis, deorsum convexus, folio sub 3-plo brevior, ovato-fusi- formis subinflatus, apice exciso-acutus; cellule inferiores medizeque multo majores subelongatz vacue, nervum latum simulantes, sub- apicales et submarginales (plurium serierum juxta marginem anti- cum) minutissime guttulate muricato-subprominule. Foliola 0, eorum loco ad cujusque folii basin adest haustorium. Fl. monoici: Q in ramis brevissimis terminales, innovatione paucifolio suffulti; bracteze foliis breviores, altera (innovationi adnata) ad mediuin bifida, lobo ligulato obtusato, lobulo rhomboideo subacuto lobo subeequilato sed breviore; altera bractea duplo minor fere «equa- liter bifida; bracteola 0. 300 CoLo-LEJEUNEA. Perianthia emersa, foliis caulinis sublongiora, late cuneata rotundate- truncata vel subretusa, cum rostello perbrevi, compressa, antice con- vexula depressave, postice carinis 2 obtusis approximatis in unam latam demum confluentibus percursa, margine toto minute muri- culata. Amenta ¢ folio c. breviora longiorave, spicata; bracteze 3-6-jugze com- presso-hemisphericz. 10. CoLo-LEJEUNEA SUBSCARIOSA, Spruce. Hab. 8. Gabriel fl. Negro, in arboris folio. F ‘7x5, °65 x ‘5, lob 12; c ps, ; br :25-"5; per “6 x ‘5™™, Pallide rufescens tenerrima, arcte adrepens. Caules }-pollicares subbi- pinnati, ramis brevibus. Folia pro plantula magna imbricata plana v. leniter decurvula oblongo- rotunda, basi antica anguste semicordata caulem obtegentia, apice scarioso-marginata integerrima, basi postica recte complicata, lobulo minuto trapezoideo subobtuso sepe obsoleto; cellule subpellucide, annulo opaco cincte, angulis perpaulo incrassatis vel non, mediz parvulz, basales sensim majores, folii margines autem versus multo minores, marginales ipsz (apicales precipue) deformate tenuissime elongate vacue. Foliola 0, haustorio tamen cuique folio tributo. Flores monoici; Qin ramo brevissimo terminales, innovatione perbrevi interdum iterum florifera stipati. Bracteze foliis multo minores, inter se valde inequimagnee, complicato-bilobe, altera lobis oblongis lanceolatisve pro more obtusatis, inferiore sat minore, altera bractea autem minor fere zquiloba. Perianthia f. caulina vix equantia, late obcordato-cuneata, valde com- pressa, apice emarginato brevi-umbonata, margine subleevissimo ala angusta raro aucto, facie antica subplana, postica gibboso-convexa sine ulla carina distincta. Capsula majuscula elliptico-globosa. Andrcecia parvo ramulo constantia—raro in ipso caule terminalia; brac- tez sub 3-jugee parvee laxe turgide ovoidee. L. cardiocarpa Mont. certe differt foliis ovatis grandilobulatis; bracteis majoribus f. caulinis fere conformibus. L. platyneura 8. foliis fere duplo minoribus immarginatis erosulis falsinerviis; perianthiis haud obcordatis, postice bicarinatis, margine muriculatis. 11. Coto-LEJEUNEA CARDIOCARPA, Mont. In Ram. de la Sagra, Cuba, etc.: Botanique, p. 476, t. 18, f. 4. Syn. Hep. p. 394. Hab. 8S. Carlos et S. Gabriel del Rio Negro, in arborum foliis vivis. Pri- mum in insula Cuba inventa, nuperius a cl. LiEBMANN in Mezico. F ‘65xX°4, lob :2-°3, cq; br *4-"6; per 55 x -45™™, Pusilla prostrata, e pallide viridi rufula. Caules breves, Z poll. longi, subramosi, ramis seepe confertis inzequilongis. Folia imbricata subplana ovato-oblonga obtusata, apice plerumque cellu- lis adventitiis elongatis scariosis vacuis 2-3-seriatis In acumen acu- tum protracta, ab apice ad ? long., vel ultra, biloba, complicata; lobulus planus, lobo 2—3-plo minor, sublinguéeformis obtusus, axi CoLo-LEJEUNEA. 301 cauli fere parallelus; cellule parvule, apicalibus deformatis ex- ceptis, subconformes, acute hexagonz paulo elongate leptodermes, ambitu interno anguste opacz. Foliola nulla nisi patella radicellifera ad cujusque folii basin. Flores monoici: @ in ramo iteratim innovando terminales. Bractez foliis paulo breviores, lobulo parum latiore, ceterum contormes; bracteola 0. Perianthia vix emersa late obovato-pyriformia valde compressa, rotun- dato-truncata-retusulave —interdum obcordata—cum rostello per- brevi, antice convexula, postice primitus obtuse bicarinata, carinis approximatis, demum solum alte convexa ventricosave, lzevia. Amenta ¢ folio caulino sublongiora julacea; bracteze 4-6-jugze majus- culz scariosze. Anne revera planta Montagnei, cui tributa sunt folia lobulo minore, angusto vel rotundato, et bractcolam semper presentem (Syn. Hep. l.c.)? —Montagneus ipse autem dicit “amphigastrium [involucrale] nul- lum reperi.” Suscenus XXX VI.—DIPLASIO-LEJEUNEA, S. Plant pusille pallide rufie, strato tenui arcte repentes. Caules $~$-pol- licares fragiles parum ramosi. Folia magna tenuia subcontigua basi perangusta inserta, oblongo-ro- tunda, apice lato plana (uee convoluta) infra medium (interdum bis) complicata; plica lanceolata subinflata margine (apice) vel bidentata vel in dentem subulatum protracta; cellule parvule vel fere minute, subplanz, pariete vel subtenui vel ad angulos mediaque latera incrassato. Foliola duplicata (i.e. cuique folio tributa) foliis 2-4-plo breviora, late cuneata bitida-partitave, segmentis angustis acutis pro more diver- gentibus, radicellas fasciatas prodentia. Flores monoici vel dioici: in ramo brevi longioreve terminales, inno- vatione simplice proliferave suffulti. Bracteee parve complicate subeequilob; bracteola |ifida (raro solum retusa) segmentis erectis. Perianthia oblonga parum compressa brevirostria preealte 5-carinata leevissima. Andrecia plerumque ramulo parvo constantia; bracteze 2-8-jugz parvee. Hab. In arborum foliis vivis et in filicibus, perseepe aliis hepaticis (precipue Frullaniis) irrepens. Altera species Austro-americana supra planitiem parum ascendit, altera regioni Andium sylvaticee medi propria est. Distr. Species sub 7 cognovimus, terris tropicis austrinisque indigene, quarum 5 Americanze, ab Antillis ad Brasiliam et Peruviam usque dis- persee, 1 Africana (L. Kraussiana Ldnbg.) et 1 Tasmanica (L. lyratifolia Br fs.et T.): 1. D.-L. pellucida. Dioica. F. basi simpliciter plicata, plica longe uni- dentata. Foliola bipartita, laciniis lanceolatis late divergentibus. Bracteola @ foliclis subconformis, laciniis autem erectis. Per. ob- longa. 302 DIPLASIO-LEJEUNEA. 2. D.-L. replicata. Monoica. F. basi bis implicata, plica apice biden- tula. Foliola cuneata ad 3-3} bifida, laciniis patulis, superiora majora subquadrata. Bracteola anguste oblonga ad j bifida. Per. magna fusiformi-oblonga duplo longiora quam lata. 1. Drenasio-LEJEUNEA PELLUCIDA (Meissn.). Jung. pellucida Meissn. in Spreng. Cur. post. in S. Veg. 325.—Syn. Hep. 393. Hab. In sylva Amazonica, ad arborum palmarumque folia, haud infre- quens, preecipue secus fl. Negro ripas; in Andibus vix supra 1000m. ascendit (M. Campana, Guayrapurina, &c.), in filicum frondibus et Frullaniis repens.—Hic illic per Americam tropicam dispersa. F 9x °75, ‘°8x°65; lob °3-"4; ¢ gj; f% °3; br °35; per 6 x “4mm, Tenuissima, hyalina, pallide viridis rutescensve, arcte adrepens. Caules $- pollicares, parum ramosi, ramique ramulis ? sepe crebre pinnulati, flexuosi, fragiles. Folia magna, contigua v. subimbricata, tenerrima, apice spe scariosa, patentia, subplana convexulave, oblique obovato-vel oblongo-ro- tunda, basi ipsa angusta fere transversa, antice anguste semicordata, recte vel subsinuato-complicata, plica folio fere ter breviore ovali- lanceolata subplana v. gibboso-subinflata, margine medium versus in dentem majusculum subulatum (lobulum verum) protracta ; cellule subpellucidee, ambitu anguste subopace, leptodermes, v. zqualiter subincrassate, mediz minutule equilateree, submarginales minutis- simee, subbasales breviores elongate, omnes subplane. Foliola duplicata, foliis 3-plo breviora, bipartita, laciniis late divergenti- bus v. divaricatis, anguste ovato-lanceolatis, acutis, Interdum sula- cuminatis, aliis angustioribus fere subulatis, margine repandis. Flores dioici: @ in ramulo brevissimo terminales, innovatione pauci- (seepe parvi-) folia suffulti, rarius in ramo longiore iteratim inno- vato pseudo-laterales. Bracteze foliis fere 3-plo breviores, compli- cato-bilobz, lobis ligulato-rhomboideis, postico paulo angustiore subacuminato ; bracteolz laciniz lanceolato-ligulatz erecto-con- tiguee. Perianthia f. caulinis subbreviora—raro sublongiora—oblonga, parum compressa, apice rotundato-truncata obsolete rostellata, argute 5- carinata, rufa levissima. Calyptra tenuis subsessilis. Capsula breviter exserta. Andreecia lateralia minuta; bracteze 2-3-juge. In M. Campana adveniunt forme duz, 1. foliorum plica perangusta, interdum ad solum dentem redacta; 2. foliis bullato-concavis margine postico fere toto involuto. L. unidentata L. et L!; Mont. Hist. &c. de Cuba, t. 19, f. 2; S. H. 392: parum diversa est foliolis brevius bifidis, segmentis subobtusis. Spe- cimina in hb. Hook., ex ins. 8. Vincentis, ab ipsis auctoribus nominata, foliorum lobulos habent apice exciso-bidentatos, altero dente sat breviore. —Pro L. pellucide varietate habenda. 2. DipLasio-LEJEUNEA REPLICATA, Spruce. Hab. Andes Quitenses, in sylvis, supra alias Hepaticas repens, alt. 1500- 3000m., locis fl. Pastasa infra Banos, Guayrapata, Azway, &e.; rara. DIPLASIO-LEJEUNEA. 303 F8x ‘65; lob °4; ¢ dy; f'* -25x°2, -45x°4; br °65; brit 6x ‘3; per Ob Xxywore Tenella, pallide viridis rufulave, prostrata. Caules fragiles 3-}-pollicares subramosi. Folia dissita v. subimbricata; pro plantula magna, angulo axiali a caule patente, subconcava, a basi angusta subtransversa oblique suborbicu- lata, dimidio inferiore bis complicata; plic& (duplice) lanceolata- fusiformi, utrinque acuta, margine abscondito, arte tamen explicato apice exciso-bidentula ; cellule parvule equilateree subconformes pellucidee parum chlorophyllos, pulchre incrassate, trigonis 8-12 in cujusque cellule ambitu valde conspicuis, fere plane vel con- vexule. Foliola duplicata, increscentia, folio 4-2-plo breviora, subimbricata, cuneata vy. cuneato-obovata—superiora majora subquadrata—basi rotundata, apice ad 3-4 bifida, sinu late triangulari, segmentis patulis anguste triangularibus subacutis, fascia radicellarum medio dorso gerentia. Flores monoici: 9 in caule ramove, seepe iteratim innovando-prolifero, terminales, erecti. Bracteze foliis breviores, vix ad 4 usque compli- cato-bilobee, lobis subeequalibus lineari-oblongis obtusis retusulisve; bracteola anguste oblonga ad } bifida, laciniis acutis conniventibus. Perianthia foliis longiora fusiformi-oblonga subcompressa preealte 5- carinata (carinis aleeformibus), apice subrotundato tubulo perbrevi amplo aucta, levissima. Calyptra perpaulo brevior duplo angustior anguste ovali-fusiformis. Capsula globosa. Amenta g¢ ramulo, folio caulino sublongiore constantia-—raro in ramo terminalia—ovato-linearia; bracteze 6-8-jugze, foliis sat minores, equitantes, cymbiformes, lobo obtuso, lobulo paulo minore acuto. L. reflexiloba G. (Hep. Novo-Granat.); nostre ob folia margine bis introflexa sat similis, distincta est foliolis ovato-lanceolatis et bracteola apice integro rotundata retusave. The leaf is folded in at the postical margin, from the base to the middle, and the fold again folded in along its axis. Within the inner fold I often find one or two small globular reddish grains, without any apparent appendages. They are either eggs or the corpses of a Rotifer, like Philodina rosea. Suscenus XXXVII.—COLURO-LEJEUNEA. (Colura Dumortt.) Cum Diplasio-Lejewnea convenit foliolis duplicatis, differt foliis lobo infe- riore (nec superiore) majore, apice elongato in clavam cornuve con- voluto, marginibus superne v. liberis v. connatis ideoque sacculum verum efformantibus. Cellulee mediocres leptodermes subpellucidee convex planzve. Foliola sepius divergenti-biloba (ac in Diplasio-Lejewnea), raro solum apice bidentata basi autem sagittato-biauriculata. Bractee 2 minute integre seepius retusz. Perianthia campaniformia, apice convexo primum clausa, demum hiantia, superne 5-carinata, carinis apice in cornua brevia conica subhorizon- tala dilatatis. 304 CoLuURO-LEJEUNEA. Andrecia spiculis parvis cauligenis compresso-globosis constantia; bracteze paucijuge diandre. Hab. Species American in arborum foliis vivis, extra planitiem haud ascendentes; Europea (unica) in cortice, raro ad rupes. Distr. E speciebus 5 nobis cognitis una (L. calyptrifolia Hook.), in- sulas Britannicas habitat; 3 (L. tort¢folia Mont., L. sagittistipula Spruce, et L. ceratophora N.) Americam australem; 1 (L. corynephora N.) in- sulam Manila. A. Foliorum rostrum tubulare (marginibus consolidatis). [C.-L. calyptrifolia, Hook. F. rostro corniformi acuto. Foliola parva bi- partita, laciniis patulis lineari-subulatis. Huropa.] 1. C.-L. sagittistipula. F. rostro claveeformi obtusato. Foliola 4 folio longiora ovato-rotunda apice bidentula, basi externa in auriculam bilaciniatam deorsum producta. B. Foliorum rostrum incomplete clausum (marginibus liberis vmbricatis). 2. C.-L. tortifolia. F. ovato-lanceolata supra medium convoluta (bis complicata). Foliola foliis 3-plo minora bipartita, laciniis subulatis divaricatis. 1. CoLURO-LEJEUNEA SAGITTISTIPULA, Spruce. Hab. San Carlos del Rio Negro, in folio vivo. F8x°4 (haud explanata); f'* 5 x*375, dent. apic. ‘07 (3-4c. longi), d. basales *1-"125; ¢ sh™™. Pallida, mollis; [caulem unicum pollicarem incompletum, ramo solitario donatum, habui. | Folia ascendenti-patula, lateraliter patentia nec imbricata (confertiuscula tamen) subrecurva, claveeformia, basi concavo-complicata; lobo supe- riore plus 2-plo minore suboblongo, sinu lato concavo in lobum inferiorem transeunte; inferiore a basi fere ad dimidium margine anguste involuto, deinde ad apicem usque in sacculum ovalem com- pressum margine clausum apice obtusatum, dimidium folium superum occupantem convoluto; cellule leptodermes subpellucide mediocres suboblongo-hexagonz, utraque facie papuloso-prominule. Sectio sacculi apicalis 3-plo longior quam lata. Foliola imbricata, dimidium folium excedentia, ovato-rotunda, apice bidentula, dentibus 3-4 cellulis longis apiculatis, bass exteriore deorsum sagittatim hastatimve producta, biloba, lobis subacutis, altero seepe longiore folioli zequante. Radicelle fasciate. Planta maxime singularis perbella! 2. CotuRo-LEJEUNEA TORTIFOLIA, Mont. Ann. Se. Nat. 1843, p. 265. Hab. Ad folia viva in sylvis fl. Negro, Uaupes et Pacimont. Guiana Gallica (Leprieur in hb. Mont.). F 13x °4 (explanata ‘6-7 lata), c 3; f'* (erwra) ‘3™™, Flavescens, robusta, flaccida tamen, prostrata; caules pollicares flexuosi parum ramosi intertexti. Folia subdissita, seepius assurgenti-secunda varie flexa tortaque, oblique ovato-lanceolata, margine postico toto anguste inflexo-complicata, . ' 3 ‘ . . - — a. y - = , . . =) * ~as 2 all be . & # 7 ‘ _ Z =f / * & a ieiet ha - ; = yy ore : 7 (+ 7 rm ww . > * » ~%s > « Ny jo ie § ¥ - , i 2 oe a Paap eh ae : id Ue a a ¥ a ed oo) aart a” dt Bae _ oO ~~ \ we ee Dee a foe eS _) Tae ae “te A . rss ee Trans Bot. Soc. Edin. Vol. XV. Z C Massee ad nat. del. E Carter sc. MYRiO CO lan AY TRO EAIS AS CoLuRO-LEJEUNEA. 305 supra medium bis inflexa, (marginibus tamen liberis, nec ad L. calyptrifolie et sagittistipule instar agglutinatis) sicuti in tertio superiore subulam obtusam bi- (ex parte tri-) lamellatam sistentia; cellule subpellucide, limitibus latis subopacis, paulo elongate, leeves. Foliola ad quodque folium tributa bipartita, laciniis folio 3-plo breviori- bus subulatis acutis basi 3 cell. latis divaricatis, disco radicellarum stipitato donata. Flores dioici: ? in caule ramove iteratim innovando terminales; bracteze foliis 2-plo breviores subplanze oblongze rotundat tenues; (bracteola nulla ?) IlI.* MYRIOCOLEA, Spruce, gen. nov. (Sive Lejeunew subgenus 38.) Genus novum, cum Lejewnea, et preecipne cum subgenere Taailejewnea § Codonocolea, quoad structuram perianthii, capsule elaterumque con- veniens, aliis caracteribus maximi momenti bene distinctum et proprium videtur. Differt enim precipue foliis transversis, omnino elobulatis; bracteis floris paroici semper fere solitariis, oligandris (nec diandris), antheridia scilicet 4-7 in gremio. foventibus.—Speciei unice adhuc cognitee—plantule perbelle et quam maxime singularis—descriptionem plenam adjicio. 1. MYRIOCOLEA IRRORATA, Spruce. Hab. In Andium Quitensium radicibus orientalibus, alt. circiter 1000 metr., in sylva primeva “Canelos” dicta, ubi ad ramulos fruticu- lorum (Cuphee sp., Myrtacearum, e. a.) aquis torrentis Topo, ad latera montium ignivomorum Cotopaxt et Llanganati oriundi, fluy. Pastasa defluentis, irroratos, sociis Hypno loxensi Hook. aliisque muscis hygrophilis, viget. Caulis sectio ‘6x°4, ¢ay™™. F 3:0 2°4; c. basales py- 35, subapicales yeas f'% °18 (lata), crura 15 et -2™™, Per 11x 4, -9x°4, c. media ay; calyptra “8-9; caps. valvule ‘4x °15; elateres *2; spore &4—-3™™, Antheridia ‘04, stipes ‘(08—10™™, Caudex perbrevis, sat crassus, compressus, radicellis copiosis albidis flexuosis matrici arcte adrepens, caules paucos fastigiatos, 2-4 centim. longos, omnino arhizos, pinnatim ramulosos edens. Caules virides, validi, tenaces, compresso-teretes, cellulis conformibus lineari- oblongis, sectione zquilatere hexagonis, conflati, dissite foliosi et extra cujusque folii basin (paucis inferioribus exceptis) juxta ejus angulum posticum, ramum brevem (1-2™™ longum) proferentes. Rami inferne folia pauca (1-3) parva gerentes, dein decompositi, primum pinnati, ramuli autem brevissimi, cito in alios ramulos flori- feros dissoluti, infra flores seepe iteratim innovandi; sicuti flores, seriatim secundi et ad speciem laterales (revera cymulos uniparos sistentes) confertissimi, in capitulum 40-60-florem subglobosum, diametro 2-25™™, evadunt. Folia pallide viridia, caulina maxima, disticha, alterna, spatio 2 ad 23™™ dissita, basi transversa semiamplexante utrinque brevissime decur- TRANS. BOT. SOC. EDIN. VOL. XV, 2Q 306 CoLuRO-LEJEUNEA. rente inserta, obovata, inferne suberecta canaliculato-subcomplicata, supra medium recurvo-patula, late concava vel subexplanata et valde undulata, margine pulchre sinuato-crispa rarius hic illic incisula lobulatave, ceeterum perfecte integra et integerrima, lobulo proprio omnino nullo. Ad caules steriles adveniunt folia confertiora, magis convolutiva, sese caulemque imbricantia. Folia caulina postice brevi spatio dissita, nunquam contigua imbricatave; antice autem folia proxima superiora margine anguste obtegunt, quare incuba dicenda, idem ac in ceteris Jubuleis. Folia ramea capitulorumque caulinis similia, nisi rotundiora, seepe multoties minora; ad ramulorum in- sertionem tamen sepe adstat folium majus, ad spathee instar capituli partem involvens. Cellule inferiores majusculz elongato-hexagonz pellucidee fere vacuze; superiores submarginalesque sensim multo minores eequilateree, chlorophyllosz, apicales basalibus triplo brevi- ores; omnes subplanze—marginales vix parum convexule—pariete crassiusculo, trigonis nullis. Foliola ad foliorum quodque par tributa, minuta, caule abscondita, foliis 15-20-plo minora, subquadrata, ad medium bifida, segmentis inequi- longis acutis; sepe ad squamulam minutam triangularem redacta, vel etiam obsoleta. Florescentia paroico-polygama, nempe flores in capituli ramis primariis terminales plerumque fceminei, ceeteri omnes autem ad innovationes successivas terminales paroici. Bractea lateralis pro more unica, magnitudine valde varia, nunc folio caulino conformis, neque multo minor, perianthium alte superans; nunc multoties minor, 1pso peri- anthio duplo brevior, oblongo-rotunda retusa, margine vix crispula; antheridia plerumque 4 (quorum una alterave interdum sterili) globosa, pallide flava, pedicello plus duplo longiore tenui (cellulis uniseriatis conflato) arcuato suffulta, in gremio fovens. aro ad- veniunt bractez 2, altera brevior, antheridiifera tamen. Antheridia haud raro plura, inveni enim 7, omnia perfecta, in unice bractez axilla. In folii eandem bracteam proxime sequentis axilla aderant 6 antheridia abortiva, pedicello cellulis 2 vel 3 angustis, cellula magna globosa terminato constantia. Bractea postica (sive bracteola), bractea laterali saltem duplo minor, tenuis, cuneato-ligulata, apice valde ineequaliter bifida vel solum hince angulato-unidentata, con- voluta, pistillidium solitarium breviusculum amplectens. Bractea lateralis primum convoluta, bracteolam cum perianthio rudimentario pistillidioque involvens; tum, florescentié confectaé, plus minus patens. Sub flore mere foemineo, ceteris floribus majore, axes flori- feras terminante, nulla bractea antheridiifera adest. Perianthia primum minuta, cordato-pyriformia, stylo pistillidii toto exserto, matura foliis caulinis subtriplo breviora, albida, clavato- prismatica, parum compressa, inferne obtuse 5-gona, apicem versus alte plicato-5-carinata, carinis apice oblique truncatis vel potius in cornua brevi-triangularia, arguta vel apice papilloso-2-3-denticulata, porrectis, rostello nullo, capsulé emergente medio apice rupta; cel- lulz mediocres elongato-hexagone, truncate, inferiores duplo longiores quam late. Calyptra paulo brevior, pyriformis, basi angustata quasi-stipitata, tenuis, cellulis unistratis laxis rhomboideis rectangularibusve conflata, demum apice irregulariter rupta. Capsula in pedicello nodoso-10-articulato pellucido exserta, oblongo-globosa, sporis repleta nigra, evacuata albida, vix ultra medium 4-valvis ; valvulz lanceolatz, e stratis cellularum duobus tenuissimis pellucidis CoLuRO-LEJEUNFA. 307 subrectangulari-areolatis confecte. Elateres sub 20 (16-24), 1mm longi, 2 vel 3 utrique valvularnm lateri subapicali adfixi, persistentes, lineari-tubulosi, apice dilatati, fibram planam linearem sinuosam sed non spiraliter tortam includentes. Sporee magne, plus minus oblongo-globose, pressione mutua polyhedree, asperuli. Obs. The habit of this plant is very peculiar, and unlike that of any other hepatic. From a short, prostrate caudex—adhering firmly by numerous long white radicles to twigs of small shrubs that grow on the rocky margin of the river Topo, a tributary of the Pastasa, and are per- petually moistened by the spray of its furiously-rushing waters—arise stout rootless stems, rarely much exceeding an inch in length, that are clad with large, distichous, transversely-inserted, obovate leaves, with crisped margins, entirely destitute of any trace of lobule, but accompanied by minute underleaves narrower than the stem and entirely concealed by it. From the base of each leaf (except a few of the lower leaves), and external to it springs a short branch, bearing a globose head of from 40 to 60 minute whitish perianths. Anything more alien from the aspect of a Lejewnea cannot well be imagined, and great was my astonishment, on examining the perianths and fruit, to find them almost exact counter- parts of those of the subgenus Taxilejeunea. The inflorescence, however, is essentially different not only from that of every Lejewnea but from all other Jubulew, and it is only in the very young and still unrolled flowers that its nature can be accurately made out, for the male organs speedily fall away after fertilisation. A solitary convolute bract encloses not only several (4 to 7) antheridia but also the smaller postical bract (or bracteole), which in its turn involves the rudimentary perianth and its solitary pistillidium. The antheridia, by their globose form and slender arcuate stipes, recall the fruit of Phascum (Spherangium) triquetrum; and in the unopened bracts they are in direct contact with the stigmatic orifice of the pistillidium: an arrangement which apparently ensures self-fertilisa- tion. But the flower terminating each lateral axis of the capitulum is usually subtended by the bracteole alone, without any lateral bract or any trace of antheridia; yet it is always fertile and mostly larger than any of the other flowers. P.S.—On page 81, an important character of Stictolejeunea has been inadvertently omitted. After the description of the leaves should follow: “ Folia axillaria (ad ramorum originem) cordata—haud exacte equalia, auricula autem postic& paulo minore—neque solum semicordata, ac in ceeteris foliis caulinis. Rami intra (nec extra) folii basin posticam inserti, quo caractere a ceteris omnibus Lejewneis discrepat et ad Jubulam proprius accedit. Folium axillare tamen pro more rami basin solum obvelat, rarius eodem leniter insidet.” By all essential characters of inflorescence and fruit Stictolejewnea agrees exactly with other Lejewnew Holostipe, viz., the monogynous @ flowers, the pedicel of 20 cells in each tier, the pale tender capsule, &c.—If any subgenera of Lejewnea merit more than others to be raised to the rank of genera, they are Myriocolea and Stictolejeunea. Nearly 30 years ago, after examining freshly-gathered specimens of the latter, and noting the ano- malous insertion of the branches, the symmetrically dotted leaves, and the curious flattened perianths, I entered it in my MS. as a distinct genus, and sent it to correspondents under the name Diotianthus Argus nov. gen. et sp. Finding later that the plant had already been enumerated 308 CoLurRo-LEJEUNEA. among supposed varieties of Lejewnea squamuta in the “Synopsis Hepati- carum,” I had to quash my name; and for the subgenus the title I now adopt seems preferable. It is curious that, although Neurolejewnea has a compressed two-eared perianth not very unlike that of Stictolejewnea, the insertion of the branches is different, being conformable to that of normal Lejewnea. [Lector benevolus corrigat rogamus menda nominum sequentia. P. 145, lin. 10 ab inf. pro “ Priono-L.” lege “ Odonto-L.” P. 170, lin. 17 a sup. pro “ L. uncinata” lege “ L. ancistrode.”| J UNGERMANIE. 309 Tribus IL—JUNGERMANIE.. Caules foliosi, raro frondosi, vario modo ramosi; rami in aliis generibus et speciebus omnes laterales, distichi; in aliis tristichi, ramis posticis pro more aut floriferis aut radicelliferis; raro monostichi, sc. postici, omnes e caulis facie inferiore orti; rarissime vel distichi, e caule antice et postice orti, vel tetra- stichi, Folia quoad insertionem, formam et divisionem omni fere modo variabilia, nisi quod in foliis conduplicato-bilobis lobulus galeatus campanulatusve (ad Frullanice instar) in nullo genere, Lepidolena et Pleurozia exceptis, obvius est. Folia opposita in quibusdam generibus—vel in aliis vel in omnibus speciebus— adveniunt ; in ceteris pluribus alterna, sunt pro more sat lata, subrotunda vel magis elongata, integra vel sepe bifida, lobis vel patulis vel complicatis, margine nudo vel dentibus ciliisve armato ; in aliis generibus autem palmatifida, segmentis nunc subulatis, nune setaceis, nunc capillaceo-ramosis. /oliola foliis pro more multo minora, sepe subconformia; in speciebus oppositifoliis. cum utroque folio collaterali connata; in plurimis_ speciebus: normaliter deficientia. Florescentia in uno et eodem genere perseepe variabilis, autoica, paroica vel dioica, in paucis autem robustioribus constanter dioica, eg. Herberta, Bazzania et Plagiochila. Flores 8 semper fere spicati, sepe ad ramulum posticum relegati; .haud raro vel terminales, vel in caulis ramive medio positi. Bractez 1-2-vel oligardre, rarissime polyandre. Flores 9 in aliis generibus constanter acrogeni, in aliis cladogeni, in paucis aliis nunc acrogeni nunc cladogeni. Bractee in speciebus acrocarpicis foliis utplurimum subconformes ; in cladocarpicis autem spe sat diverse, latiores, minus profunde divise, margine magis dentato incisove; in paucis generibus perianthio basi et altius adnate. Pistillidia plura, sepe sub 20, ad 80 usque inveniuntur, nunquam (nisi ex abortione) ad 4 sola redacta. Perianthia in plurimis presentia, forma varia, globosa— subulato-pyramidalia, nunc compresso-subplana, nunc plus minus TRANS. BOT. SOC. EDIN. VOL. XV. 2R 310 J UNGERMANIE®, é turgida et pro more angulata ; ore vel constricto, vel ab initio lato, hiante, integerrimo vel denticulato, ciliato, &c., perseepe lobulato. [In plurimis generibus perianthii anguli primarii ad carinam mediam anthophyllorum respondent (Hypogoniaxthee); in aliis sutura marginali anthophylorum constant (Hpigonianthee). In Epigoniantheis solis invenimus frequenter perianthia ad angulos alata.] In paucis Jwngermanieis perianthia omnino deficientia, in aliis vel cum involucro colligatum et confusum, vel incomplete evolutum, anthophylla 2 vel 3 parva sublibera sistens. Alia pauca genera (Marsupiocarpee) involucrum cum perianthio in sacculum carnosum pensilem concretum habent. Calyptra in _plerisque obovata vel pyriformis, in aliis longa et angusta, in aliis globosa invenitur; nunc substantia pertenui nunc carnosa; aut perfecte libera aut (in paucis generibus) cum perianthio, vel cum recepta- culo, vel cum utroque, plus minus alte connata. Pedicellus ut- plurimum sat longus, ad maturitatem ultra perianthium alte exsertus, interdum brevis ; apice vix vel parum dilatatus, nunquam autem (ad Jubulearum instar) in apophysin tam Jatam et altam dilatatus ut capsula globosa solum ad ? longitudinis fissa adpareat; cellulis alternis conflatus, in tate flaccidus vel collapsus, neque (ac in Lejeunea) ad speciem articulatus. Capsula longitudine varia, spherica, ovalis, vel subcylindrica, bi-pluristrata, rarissime pro majore parte solum unistrata, cellulis strati intimi frequenter fibris semiannularibus fulcitis ; ad basin usque 4-valvis, valvule integra, rarius fisse, rarissime irregulariter ruptie, suturis autem basin versus aliquando inter se incomplete solutis; in plurimis generibus rectz, in perpaucis spiraliter torte. lateres valde numerosi, tota facie capsule interna primum insidentes, capsula dehiscente omnes decidui ; vel pauci apicales basalesve, cateris conformes vel diversi, paulo longius persistentes ; angusti, utroque fine tenuiores, tortiles, plerumque dispiri, interdum 3-4-spiri, casu rarissimo alii mono- spin. Spore numerosissime, utplurimum preminute, in paucis sat magne, semper fere globosz, leeves vel scaberulz. The Jubulew seem to me equivalent to nearly all the rest of the sub- order Jungermaniacee. The structure of the capsule, and especially of the elaters, is unique among hepaticee. So great is their abundance and variety in eequatorial forests, that they constitute fully half the species of the entire hepatic vegetation. Jungermaniee are essentially distinct from Jubuleew by the following characters. Female flowers polygynous. Pedicel not at all, or scarcely, dilated at the apex—never into a segment of a sphere constituting a solid apophysis, nearly half the height of the cavity of the capsule, asin Jubulee J UNGERMANIEA. 311 Capsule producing spores and elaters (the medial ones horizontal) on its entire inner surface, 4-valved down to the base (not merely to % of the semicircumference). Elaters dispirous—only by rare exception mono- spirous—deciduous, either along with the bursting of the capsule, or a few of them persisting a while longer. In the following summary of the characters of Jungermaniee 1 shall dwell mainly on those which (even where not prevalent throughout the tribe) help to distinguish certain of the genera from all Jubulee. Although a few of the genera conform to Jubulew in being distichously branched in only one plane, in a great many genera postical branches also exist, usually either shortened down to an inflorescence, ¢ or 2, or else bearing the rooting apparatus, along with rudimentary or obsolete leaves. In a few genera, postical branches alone are normally present, whether bearing flowers, or leaves or roots. Even antical branches are sometimes (but very rarely) seen. In Ladula alone are the branches infrafoliar in insertion, as in Lejeunea ; in all other genera the lateral branches are axillary to the side leaves, and the postical branches to the under leaves, where present, or, where absent, are subtended by a tuft of radicles. Leaves very various in size, form, and insertion. In some genera incubous or transverse, in the great majority they are succubous. Several genera have opposite leaves in every species; in other genera some species have alternate, others opposite leaves; while in others every known species has alternate leaves. [But the leaves of Jubulew are invariably alternate ; and it is only in the 2 involucres of a limited number of species (chiefly of Frullania) that opposite and connate leaves (or bracts) are seen.] The leaves of Jungermaniee vary trom broad and round to linear and even setaceous, from quite entire to deeply laciniate. Complicate leaves are typical in a few genera; but the feature which prevails throughout Jubulee of a conduplicate-bilobed leaf, with the smaller underlobe either inflated, or partially inrolled, or eucullate— sometimes even bell-shaped or cylindrical—is almost unknown in Jungermamee except in the curious genus Lepidolena Dum. (= Polyotus G.) from the 8. temperate and antarctic zones, in Pleurozia Dum. (= Phy- stotium N.) and in a few Radule. The under leaves go through much the same phases of form as the side leaves, and are sometimes, although smaller, more numerously divided (¢.g. in Lophocolew) ; they are however more frequently altogether absent than in Jubulee. The leaf-cells show all the variations of structure found in Jubulee, and are sometimes much more elongate, the basal ones occasionally enclosing spiral or annular fibre. The ¢ inflorescence does not differ essentially from that of the Jubulee, and ranges through nearly the same limits, as to the number of the sexual organs, but it is often relegated to a postical branch, such as exists inno Jubulee. Many genera have constantly monandrous bracts, and in several they are oligandrous—rarely to be ealled polyandrous, although I have seen as many as ten antheridia together in Gottschea laminigera Tayl. The bracts have often a supplementary lobule or incurved tooth, at the antical base, veiling the antheridia. Even the frondose genera have the antheridia usually subtended by a leafy scale. In a few genera —some foliose, others frondose—the antheridia are not veiled by any side-leaves, but stand apart from the latter (where present) on the upper face of the stem, either quite naked or contained in little pits, and at B12 J UNGERMANIEA. first covered by the upper cell-layer of the stem, which, breaking away, leaves them exposed at maturity. The ? inflorescence is in some genera constantly acrogenous, in others as constantly cladogenous (quasi-lateral), and in a few genera both types coexist (¢.g., in Radula, Cephalozia, Lophocolea, &c.). In nearly all strictly cladocarpous genera, the 2 flowers are postical ; Porella, however, has them lateral. Bracts in the acrocarpous species usually subconformable to the leaves, although often more divided ; in the cladocarpous species often very different : wider, either more numerously lobed or more cut at the margin. In a few genera the bracts—at least those of the inner- most whorl—are adnate to the perianth up to a greater or less height. The number of the 9 organs affords a notable distinction from Jubulee, the pistillidia being never solitary (as in Lejewnea) nor even so few as 4 (which is the limit in Frullania) but always at least 5, and usually many more : in some species indeed as many as 70 or 80. The periantb, where present, corresponds to that of Jubulew in being formed by the marginal union of the innermost (and serotinous) whorl of bracts ; and, where angular, as it mostly is, the primary angles are usually (as in Jubulew) the medial fold (or keel) of those bracts ; but in certain genera the primary angles are not at the medial fold but at the connate edges of the bracts. In the former group (Hypogonianthee), when- ever the angles are reduced to three, the third angle is undermost, or postical ; and if completely flattened, so that even that angle disappears, the flattening is frontal. In the latter (Hpigonianthee). the third angle is antical; and where the two lateral angles are replaced by a single postical angle, the perianth is flattened from the side. As a rule, it is only in the latter group that perianths exist with winged, or toothed keels. In a few genera the perianth is entirely absent, or at least appears to be so. In Leiomitra, Scalia, and Symphyogyna it is certainly wanting, and the involucral leaves are also perfectly free from the calyptra. In Trichocolea, Lepidolana, Schistocheila (Gottschea) &c., it is (if present) so closely soldered to the involucre as to be rarely distinguishable from it, and it is besides often adnate to the included calyptra. In Marsupella § Acolea the perianth is represented by 2 (or 3) small inner leaves, which are either quite free from each other or slightly connate, and are usually somewhat adnate to the involucre. In the curious pouch-fruited genera (of which no example is known among Jubulew) the perianth takes the form of a fleshy pensile sac, which in most cases buries itself in the earth or in soft decaying wood, but in Tylimanthus hangs among adjacent mosses. Several genera possess a character entirely unknown among Jubuleew, viz., a perianth that is wide-mouthed throughout its existence, and therefore needs not to be ruptured for the emission of the capsule: such are Plagiochila, Scapania, Radula, Lophocolea, &e. The calyptra, as compared with the perianth, is of various lengths, being in some species scarcely at all shorter, but in others four times as short. Usually obovate, it is sometimes almost globose; while in Radula it is so much elongated as to become cylindrical or clavate, as it is also in the gymnomitrous genera Scalia and Symphyogyna. It is very often narrowed at the base into a neck, so as to be pyriform or even turbinate. Where the perianth is absent the calyptra is fleshy, and so it is also in certain species of various genera provided with a perianth, although it may be free from both perianth and receptacle. Where the receptacle, with the sterile pistillidia, is adnate to the calyptra, and carried up on it to a greater or less height, it adds one or more strata to the thickness of J UNGERMANIE. 313 the calyptra. This character of an inferior, or half-inferior calyptra occurring in several genera of Jungermaniee, is quite unknown in Jubulew. Pedicel of various lengths; in some genera (Porella, Jlerberta, Plagiochila, &c.) usually short, and very little emersed from the perianth, in all or most of the species; in others 60 or more cells long, and varying in actual length at maturity with the state of the atmo- sphere, being always more elongate when the weather is wet. The cells in contiguous longitudinal series are alternate, never opposite as in Lejewnea; although the pedicel of Cephalozia is of two concentric strata. the inner of which consists of four series of cells, whose inner walls form a cross on the section, similar to that seen in Lejewnea. The pedicel in all this tribe is cylindrical at maturity, either only shghtly or not at all enlarged at the apex; and is never, as in the Jubulew, dilated into a seoment of a sphere, one-third the height of the whole globose capsule (into which it passes insensibly, and is usually considered to form an integral part of it). Capsule varying in the different genera from globose to cylindrical, often preserving nearly the same form and the same proportion of length to breadth throughout each genus. It is formed in almost every genus of at least two, but sometimes of several strata, whereof the outermost is twice (at least) the thickness of the inner strata, and consists of more regularly tesselate (subquadrate or subrectangular) cells. The cells of the innermost layer in many genera and species contain spiral fibre, very rarely perfect, but mostly reduced to half-rings (semi-annular) whose convexity is towards the axis of the capsule. In a few aberrant genera, of few species, the capsule is wholly (or in great part) unistratous, é.g., in Scalia. When ripe the capsule splits normally down to the base into four valves, which in a few species are again cloven, but unequally; rarely, and only in Fossombronia, is the dehiscence altogether irregular, and not (or only partly) along the valvular sutures. Elaters numerous—sometimes to be counted by thousands—produced on the whole inner surface of the capsule, usually slender and tortuous, narrower at each end (never truncate), and each includes two spiral fibres —rarely three or more—very rarely only one. When the capsule bursts, they mostly fall out all together, along with the spores. In some genera a few of the apical elaters, and in others a few of the basal ones, persist for some time after the bursting of the capsule, and retain a good many of the free elaters entangled in them, but finally fallaway. These “ elater- holders,” as they have been called, are usually (but not always) shorter and wider than the free elaters, and do not generally agree with them in the number of included spirals. They exist in some genera where they have not been noticed, as for instance in Herberta (Sendtnera). Spores very numerous, and usually very minute, in only a few genera equalling those of the Jubulew; nearly always globose. Subtribus I1L—RADULEA. Platyphylle Nees in Syn. Hep. 252, pro p.; Jubulew N. Hep. Eur. TET. Plante pro more sat elats, raro pusille, virides vel flavo-virentes, 314 RADULEZ. mollite aquam cito flavido-tingentes, in cespites latos depressos arcte stratificatee, vel e ramis pendulz, raro in arborum foliis vivis strato simplice repentes. Caules laxe pinnatim ramosi, vel ex p. (raro ab initio) dichotomi; rami omnes laterales, infrafoliares, folii bast externa contigui, vix leviter adnati. Folia magna, *75-3:0™™ longa, sat lata, alterna, incuba, integerrima vel solum angulata (in unica specie asiatica, autem, insigniter serrata) conduplicato-biloba, lobo inferiore minore plicam versus in mammillam radicelliferam elevato ; cellule parve chlorophyllose plus minus opace. Foliola omnino nulla, nequidem ad florescentias. /Jores omnium fere dioici, in perpaucis paroici: ? in unica sp. cladogeni, ramulo simplicissimo constantes; in ceteris acrogeni, basi innovatione singula, vel seepius binis oppositis suffulti. Bractee unijuge, foliis subminores, lobulo pro ratione majore eradicellifero, innovationi subjacenti parum adnata vel liberee. Piéstillidia5-16. Perianthia tubzeformia vel in- fundibulata, a fronte plus minus compressa, in aliis fere complanata, in perpaucis subteretia, rarissime carimata vel plicata, ore ab initio- hiante subbilabiato et vel recte truncato vel crenato, raro 4-lobo. Calyptra anguste ovalis brevicolla valida subopaca, stratis cellularums tribus pertenuibus conflata, Pedicellus brevis, perianthium subdupla excedens, validus, cellulis 12—16 in diametro. Capsula flavida, plus minus elongata, plerumque ovali-cylindrica, triplo longior quam lata, solum in R. Gottscheana tam lata fere quam longa, ad basin usque 4-valvis, valvulis integris bistratis ; cellule exteriores sat magne et alte, tesselatee, pariete moniliformi-incrassato; interiores longe tenuiores, lineares flexuosze, badize, obscure transverse striolate, striis crebris tenuissimis obliquis, fibris semiannularibus autem ut videtur orbate. Hlateres prelongi tenues obtusi arcte bispiri. Spore magne globose minute tuberculose. Andrecia spicata, varie posita, plerumque in ramis terminalia; bractee 3-15-juge, equitantes, 1-2- (raro 3-) andre, IV. RADULA, Dum. emend. Nees Hep. Eur. III. 143; G. L. et N. Syn. Hep. 253; Radule § 1. Radulotypus Dum. Comm. Bot. 112 (a. 1823), Syll. Jungerm. 38 (a. 1835). Caracter generis unici in caractere subtribus continetur. Hab. Ad arborum truncos ramosque, etiam ad rupes, raro in ipsa terra; unica species, in sylva Amazonica valde frequens, con- an “ « ). & an Trans Bot. Soc. Edin. Vol XV 7 4 fy Os a K OOO ENS = & --SSSoN as rrr eer oe he F Ne ; 0 A aes Wg IASI = A g G-Massee ad nat, del. E Carter se RADULA GOTTSCHEANA. RADULA. 315 stanter ad folia viva. Plereqyue planitiem et montes humiliores, paucee loca subalpina diligunt. Distr. Per orbem terrarum, in terris tropicis frequentiores. Ipse in sylvis Amazonicis et Andinis species 13 carpsi, quarum 8 novas videntur. Radule are about equally abundant in the forest-plains of the Amazon and on the wooded slopes of the Andes; but are usually of different species, those of the plains rarely ascending the hills. Few of the montane species reach an altitude of 2000 metres, but two of the finest, R. ramulina Tayl. and R. Jamesoni Tayl. are almost subalpines, growing sometimes up to 3000 metres. Radula is apparently separated by a wide interval from every other genus. It has one unique character, viz., the attachment of the radicles to the under lobe of the side leaves, and not to the under leaves, or the underside of the stem, asin all other hepatieze. In the branches spring- ing from the outer base of the leaves it agrees with Lejewnea, and with no other. It has also, like Lejewnea, complicate bilobed leaves, with the under lobe smaller than the upper; but this character it shares with Porella, Micropterygiwm and a few others. Radula flaccida, the only species that grows on living leaves of trees, is externally so like certain Lejewnee which prefer the same habitat as to be easily mistaken for a species of that genus, especially for one of those that have no under leaves ; but there the resemblance ends. In its most essential features it differs altogether from Lejewnea ; e.g., in the polygynous @? flowers ; the macrostomous perianth ; the stout pedicel composed of 6 to 8 (not of only 2) concentric layers of alternate cells ; and (above all) the very numerous, long, slender, 2-spired deciduous elaters. In the European R. complanata (Transoubat, Pyrenees) I find the capsule lined with a thin brown membrane down to the very base, even over the pedicel. This lining is of linear subflexuose brownish cells, on transverse section 4 or 5 times thinner than those of the outer layer, and there are certainly in some places 2 inner layers, both of which are apt to secede in fragments, although by no means so deciduous as in Porella. It seems elateriferous throughout, and the faint transverse strize of the cells are possibly the remains of an annular (or spiral) fibre. In FR. ramu- lina (Quitenian Andes) the base of the capsule, over the pedicel-apex, is composed of large, pale, unequal-sided 5—G-angular cells, and is not covered by the continuation of the valvular lining, yet seems equally elateriferous. Suscenus I1.—CLADORADULA. Flores Q cladogeni, ramulo brevissimo simplice constantes. Capsula oblongo-globosa, perpaulo longior quam lata. 1. R. Gottscheana. Elata laxe bipinnata. F. caulina ad basin fere usque bipartita ; lobo ovato-orbiculato; lobulo duplo breviore, a caule sublibero, bifido (ze. auricula equimagna aucto); cell. minutulis. Br. floris 9 lobis oblongo-lingulatis. Per. campanulata, quadrangula, parum compressa, ore 4-loba. 316 RADULA. Suseenus I].—ACRORADULA (sive RADULA typica). Flores 9 in caule vel in ramo longiore terminales, hinc vel utrinque tnnovatione suffulti. Per. elongata, plerumque valde compressa, raro (preter ad basvn) teretia, rarissime carviis percursa. Capsula oblongo-cylindrica, triplo fere longior quam lata. A. Ramificatio ab initio dichotoma, ramulo singulo rarius hie illic interjecto; raro inferne subpinnata superne dichotoma. 2. Rh. Cornucopie. Elata dichotoma. F. contigua longe decurrentia, lobo ovato-rotundo supra lobulum 3-plo breviorem triangularem inflatum patulo, c. parvis. Br. 2 minute, foliis 3-plo breviores. Per. cor- nucopieformia, teretia, ore dilatato recurvo. 3. FR. episcia. Majuscula, inferne laxe bipinnata, superne dichotoma. F. subimbricata late ovato-orbiculata caulem haud obvelantia, lobulo 3-plo fere breviore rhombeo obtuso, c. minutulis. 4. R. pallens. Mediocris, iteratim dichotoma. F. subimbricata parum divergentia, lobo late semicordato-oblongo rotundato, lobulo plus 3-plo breviore subrhombeo obtusato, c. parvis. Br. foliis duplo minores. Per. tubseformia recta subplana, basi sensim angustata, ore truncato brevissime 4-lobo crenulato. 5. R. pseudostachya. Rigida parce subdichotoma, ramis e foliis superiori- bus semideciduis apice spurie spicatis. F. opaca fragilia, lobo faleato- oblongo, inferne cum lobulo duplo breviore ovato-trapeziformi in sacculum complicato, supra lobulum valde divergente. Br. foliis eequimagnee. 6. R. pusilld. Tenuis, nisi pro caulis apice furcato, flore 9 in furca, seepe subsimplex. F. subimbricata, lobo oblongo-rotundo supra plicam late divergente, lobulo plus duplo breviore trapezoideo sub- acuto, c. parvulis convexulis. Br. Q foliis subeequilongee. Per. tubzeformia compressa subincurva, ore lato crenulato. B. Ramificatio magis minusve regulariter pinnata, ramis autem persaepe sub flore 2 furcatis. 7. R. flaccida. Tenella pinnata et bipinnata. F. subimbricata, subrecte complicata, lobo late ovato-oblongo rotundato subtruncatove, lobulo 3-plo breviore rhombeo apice vario, interdum subacuminato, ec. parvis. Br. foliis breviores multo angustiores. Per. seepius pra- longa subclavata, ore 4-crenato, in var. breviora subcampanulata. 8. Rk. amazonica. Majuscula primum pinnata vel bipinnata. F. - imbricata subplana, lobo late oblongo rotundato supra lobulum rhombeum subacutum vix triplo breviorem falcato-divaricato, cellulis parvis. Br, foliis conformes. Per. a basi obconica lato-linearia com- presso-plana, ore bilabiato crenulato vel breviter 4-lobulate.—Var. Negrensis. Elata arctius pinnata, ramis @ brevibus, innovatione plerumque unilaterali.i—Var. Campanensis. Subbipinnata. F. utraque basi cordata. Per. breviora albida. 9. R. riparia. Elata pallida. F. subimbricata patentissima ad plicam decurrentia, lobo semicordato-subrotundo basi caulem transeunte, lobulo 3-plo breviore subplano rotundo-rhombeo obtusato, ¢. parvis. Br. foliis subconformes. Per. clavata compressula basi longe attenuata, ore repando. 10. R. Jamesoni. Elata laxe pinnata et bipinnata, F. contigua magna, lobo late semicordato-ovato basi antica caulem latissime superante, tADULA. 317 lobulo 2-8-plo breviore rhombeo, apice (interdum elongato) retuso vel obsolete 2-3-fido. Per... ... 11. R. ramulina. FElata flaccida flavida albicansve crebre pinnata et bipinnata, ramulis seepe brevibus microphyllis. F. magna subcon- tigna patentissima, basi cordata caulem utrinque latissime transeuntia, lobo oblique oblongo rotundato, lobulo vix duplo minore semicordato- rhombeo, medio margine externo apiculato, c. parvis. Br. foliis duplo minores erectze appressz, lobis oblongis. Per. alte emersa aurantiaca compresso-clavata, ore repandulo. 12. R. viridi-aurea. Majuscula tenera flaccida laxe pinnulata. F. late imbricata patulo-devexa, lobo semicordato-ovato-rotundo, basi caulem transeunte, lobulo 3-plo breviore semicordato-rotundo caulem parum superante, c. parvulis. Per...... 13. R. involvens. Elata flaccida rufo-badia laxe pinnata. F. subim- bricata supra basin turgide complicatam faleato-divergentia, facie papulosa, lobo semicordato-ovato-oblongo rotundato, basi caulem obvelante dimidio supero involuto, lobulo subtriplo breviore trapezoideo seepe bis implicato, cellulis parvis opacis, trigonis angularibus pellucidis. 1. RapuLa GorrscHEANA Tayl. (Tab. XT.) Lond. Journ. (1846) ; Syn. Hep. 724. Hab. Andes Quitenses, alt. 1200™, ad arborum truncos ramosque in sylva Canelos et monte Chimborazo (fertilis) ; in arbuscularum ramulis ad S. Gabriel fluvii Negro (sterilis): R. 8. a. 1852-1860; ad fluvium Sabanilla prope Loja (Masser, 1869). Ins. San Domingo (hb. DicKson). F 16X1°3, 13 1°25, lob -85—-65, f. ramulina °6 x °35, ¢ gy; br. lobus an. 13x °5; per 2°0xX1°1; cal 1°35 x°8 ; caps 1:0 x °75™™, Czespites magni virescentes, inferne flavo-badii. Caules 6-9-pollicares, rufo-badii, laxe bipinnati, basi denudata sola matrici adfixi, dein recurvi subpenduli. Folia contigua, basi ipsa subimbricata, subdivergentia, caulina ad basin fere usque bipartita; lobus caule breviuscule incurrens, oblique ovato-orbiculatus repandus planus ; lobulus duplo brevior, a caule subliber, carina perbrevi decurrente cum lobo connatus, ovatus, caulem oblique transiens, basi externa in auriculam equimagnam reniformem recurvo-crispam, angulo subrecto extantem, dilatatus ; cellule minutule, ad angulos incrassate, ambitu interiore lineam duplicem 6-sinuatam monstrantes. F.ramea paulo minora, minus profunde fissa, carina longiore, lobulo basi brevius auriculato ; ramu- lina triplo fere minora, oblonga, falcata, basi cum lobulo exauriculato in sacculum triangularem complicata. Flores dioici: @ in ramo perbrevi decurvo terminales, innovatione nulla suffulti. Foliarami ? bi-trijuga; omnia pro bracteis habenda, intima appressa, ad ?# biloba, complicata, lobis oblongo-lingulatis rhomboideisve, postico duplo fere breviore. Perianthia foliis caulinis paulo longiora, campanulata vel urceolata, parum compressa, ore hiante ad } longit. 4-loba, lobis crenatis crispis seepe recurvulis. Adveniunt quoque perianthia ad basin fere usque quadriloba, lobis duobus posticis subangustioribus; alia minus pro- funde fissa, angulis 4 (aliis vel omnibus cristatis) percursa. Calyptra =perianthii %, turbinata, firma, demum apice disrupta. Capsula TRANS. BOT. SOC. EDIN. VOL. XY. 258 alee RADULA. perpaulo minor, oblongo-globosa, ad basin usque quadrivalvis. Elateres preelongi torti bispiri, utrinque obtusL Spore magne, elateres diametro quadruplo excedentes, globose lzves. Obs. The abnormal, quadrangular and quadrifid perianths, plainly show that organ to originate in two bilobed leaves. Where the sutures are cristate, it arises from the lobes being accrete, not exactly by their edges, but with the edge of the one projecting a little beyond that of the other as a salient wing, or crest. In the Rio Negro plant the leaves slightly overpass the stem at the antical base, in that from the Andes they barely cover it, and that is the only tangible difference. 2. RapuLta Cornucopi# Spruce. Hab. in montis Chimborazo devexis sylvaticis, alt. 1200", e ramulis pendula. F 1°8 x 26, 2°0 x 2°5; lob -7 x 6; c Js; br 6-7; per 3°8X 6 (medio) X11 (ore); caps 1-5 x 55mm, Elata rufo-badia, superne flavo-viridis. Caules 4-6- pollicares flaceidi, bis terve dichotomi, raro ramum alternum unum alterumve proferentes. Folia basi sola eontigua, ad plicam longe anguste decurrentia, supra lobuli sinum abrupte patula, oblique ovato-rotunda repandula; Jobulus subtriplo minor oblique triangularis supra caulem alte incurrens et cum lobo saeculum dimidiato-infundibuliformem efformans, apice libero rotundatus, margine interno late incurvus; cellule parve equilaterze valde opace. Flores dioici: Q terminales, innovationibus oppositis—raro una sola— suffulti. Bracteze minute, foliis triplo breviores, lobis oblongis, inferiore duplo minore. Perianthia foliis duplo longiora, angusta, incurva, tubeeformia—potius forma fere cornucopia, sc. e tubo longo clavato (perfecte tereti, nec compresso) apice in limbum duplo latiorem recurvum undulatum (subinde hine emarginatum) dilatata. Capsula cylindrico-oblonga perianthio 24-plo brevior, in pedicello brevi exserta. Folia basi antiea lata, haud vero semicordata, caulis dimidiam latitu- dinem solum velantia, media basi longe decurrentia, exinde utrinque supra caulem alfe incurrentia, sacculum basalem semiobconicum effi- cientia, 3. RADULA EPISCIA Spruce. Hab. ad fluvium Pastasa Andium Quitensium, in rupibus umbrosis humeetatis ad fl. Verde ostia, alt. 1400™, etiam in spelunca Sics?- huasco dicta, alt. 1800™. F\5x V5, lob 55 x°55, ¢ hy™™. Majuscula flavo-viridis, denique subolivacea, prostrata. Caules 3-pollicares Jaxe bipinnati, apice subdichotomi; rami rubri flexuosi, inferiores preelongi. Folia contigua vel subdissita, late patula, complicato-biloba; carina subrecta, angulo axillari sub 70°, ipsa basi subdecurrente; lobus oblique late ovato-orbiculatus subconcavus, caulem haud obtegens ; lJobulus triplo fere brevior planiusculus subrhombeus obtusangulus et (idem ae lobus) im caule alte incurrens; cellule minutule aquilaterze leptodermes opacissimze.—Flores nullos invenire potui. RADULA. 319 Var. opaciuscula S. Differt cellulis certe majoribus minus opacis, endo- chromio annulari. Folia olivacea, superiora flavida, oblique orbicu- lata, carina subconcava, lobulo plus triplo breviore rhombeo obtuso plano v. incurvulo.—F. 1°25 x 1:25, lobulus °35 x ‘35, ¢ q4h™™. Hab. Andes Peruvianos in monte Campana. 4. RADULA PALLENS (Sw.). Jungermania pallens Sw. Prodr. Fl. Ind. occ. 143. Radula pallens (Sw.) Nees, Syn. Hep. 256. Hab. in arborum cortice, ad fl. Amazonum ostia, loco Tauat; in Andium radicibus ad rivulum Marona-yacu. prope Tarapoto, necnon in monte Campana. Per Americam tropicam, in insulis Caribeis precipue, vulgata videretur. F 14x 1-0, lobulus ‘4x °4; ¢ Ay; br 75; per 30x10; cal 2°3x°8; caps. valoulee 1:25 x *25™™, Mediocris, raro elata, flavo-viridis strato tenui crescens. Caulis 1-3-pol- licaris iteratim dichotomus. Folia subimbricata, parum divergentia, complicata, plicé concava (sursum arcuante) basi anguste subdecurrente; lobus late oblique oblongus rotundatus repandus, basi subsemicordata caulem vix obtegens; lobulus plus triplo brevior subrhombeus obtusatus subin- eurvus; cellule: parvee prominulie subopacee leptodermes. Flores dioici: @ dichotomiales. Bracteze foliis subduplo minores, lobulo apice magis protracto. Perianthia foliis plus duplo longiora, tubzeformia, recta, fere plana, basi sensim longiuscule angustata, ore truncato brevissime 4-loba, erenulata. Calyptra magna (= perianthii #) longe pyriformis, basi attenuata, apice in lobos 3 breves ineequales fissa. Pedicellus perianthio vix duplo lengior, apice subincrassatus. Capsula longe oblonga; valvulze lineares obtusatze, evacuate suberectze marginibus recurvis. Planta ¢ tenuior; andrcecia in ramis terminalia, tenuia julacea, bracteis 6-jugis. Exemplaria ex insula Dominica, a cl. MontaGNne sub nom. R. pallens Sw. communicata, cum meis perfecte congruunt. Frustula ex ipso Swartzio, in Jamaica lecta, examinavi, que specifice diversa videntur, foliis majoribus, lobo suborbiculato. 5. RADULA PSEUDOSTACHYA Spruce. Hab. ad arborum ramulos in sylvis fl. Negro juxta S. Carlos. F''9x°6 (supra lobulum) x ‘75 ab apsa lobuli basi; ¢ ay™™. Flavida arcte intricata depressa. Caules 1-1}-pollicares, rigidi, basi repente ex p. denudati, superne a matrice liberi, parce et subdicho- tome ramosi; alii rami elongati, e foliis medio disruptis (ad sacculum basalem redactis) spicam masculam fingentes. Folia opaea fragilia convexa arcte imbricata, caulem antice vix obtegentia, postice cum lobulo duplo breviore ovato-trapeziformi (basi sub- longitudinali alte incurrente inserto, apice brevi obtuso) dimidio infero in sacculum compressum complicata; plica convexa primum e caule angulo recto exiente, demde abrupte suboblique ascendente, ad carinam inflatam rhizophora; lobus falcato-oblongus supra lobulum 320 RADULA. divergens, basi apiceque rotundatus; cellule minutule, ambitu late opacee, pariete ad angulos parum incrassato. Flores dioici: 2 seepius dichotomiales. Bracteze foliis eequales, suberecte, plica concava, lobis oblique oblongis, inferiore vix duplo breviore. Pistillidia pauca (5). Species distinctissima cujus flores invenire non potui. 6. RADULA PUSILLA Spruce. Hab. ad radices Andium Quitensium juxta fl. Bombonasa, in cortice. F ‘85 x 6 (x ‘8 ab apse bast), lobulus *35 x 25; ¢ 34; per 24x 9mm, Pusilla pallide viridis, strato tenui effusa. Caules poliicares subsimplices, apice florifero trifidi, sc. imnovationes duas breves oppositas sub flore 9 proferentes; czteri rami (quando adsint) seepe florem 9, cum innovatione unilaterali, gerentes. Folia subimbricata, basi ultra 4 alt. acute complicata, carina recta angulo 45° ascendentia, dein angulo 90° fere a caule divergentia ; lobus oblongo-rotundus; lobulus plus duplo brevior trapezoideus subacutus, cauli alte adnatus, margine interno cum carina angulum rectum formante; cellule parvee subzequilaterze opace prominule (unde folia celluloso-crenulata evadunt). Flores dioici: 2 terminales, innovatione suffulti; bracteze suberectz, foliis subeequales, lobulo paulo majore rotundato. Perianthia tubzeformia (juniora subinfundibuliformia) subincurva com- pressa, ore lato 6—7-crenulato. R. tenella Gottsche (Mex Leverm. p. 149, ad pedem), insula Trinidad a Criiger lecta, differt foliis ovatis, lobulis quadratis. 7. RapuLa FuLaccipA Ldng. et G. ? Syn. Hep. 726 ; Gottsche, Mex. Leverm. 148 ?—Radula foliicola Spruce Mst. Hab. in sylva Amazonica ubique ad arborum folia viva, interdum ad herbas nobiliores (Marante, Caladii, &c. species), necnon in filicibus. In Andibus infra 600™ alt. desinit. F 75% °65, ‘75x -75, “8x 1'0, lob -2-3, ¢ 3,; br6—¥; persaceem bia x 6m. Tenella, viridis, strato simplice matrici arcte adrepens. Caules 3-1 poll. longi, pinnatim ramosi, ¢ cum @ spe intertexti. Folia subimbricata, plana, in sicco plerumque recurvo-assurgentia, late oblique ovato-oblonga rotundata, subtruncata, vel subretusa, basi antica subsemicordata, postica decurrentia, latitudine in infima basi longitudinem interdum superante, ad + altitudinis subrecte com- plicata ; lobulus subtriplo brevior, rhombeus, subplanus, ad mam- millam radicelliferam (plicee contiguam) convexus, raro conico- prominulus, apice acutus obtususve, subinde elongatus et suba- cuminatus ; cellule subopacze, medize parve, submarginales fere minute. Flores dioici: 9 terminales, innovationibus duabus oppositis, raro una sola, suffulti. Bracteze 2, foliis breviores, multo angustiores, erecta, lobis rhomboideo-ligulatis, antico apice rotundato, postico $ breviore seepius acuto. Perianthia bracteas 3-4-plo superantia, anguste tubzeformia vel clavata, inferne fere teretia, superne compressula, ore subbilabiata 4—crenata ; RADULA. S21 juniora elongato-campanulata, rarissime inveniuntur perfectematura eidem forma. Calyptra claveeformis. Capsula oblongo-cylindrica. Andrecia in ramis terminalia teretia; bractese 3-15-juge, equitantes concave subsequilobee. Var. brachycalyx. Forma pulchra flavida bipinnata. Folia caulina valde recurvo-assurgentia, minus opaca. Perianthia brevia, lata, anguste obeonica poculeformiave, aliis paucis autem normali longitudine immixtis. This is the only Radula which grows uniformly and solely on living leaves, whether of trees and shrubs or of robust perennial herbs, such as Aroids and Marants, or of ferns. It abounds throughout the Amazonian plain, from Para to the sources of the Negro and Orinoco, and to west- ward it ceases in the first undulations of the Andes, at Tarapoto in Peru and on the river Bombonasa in Ecuador: that is, below 2000 Eng. ft. If any described species, it can only be the Mexican R, flaccida L. et G., which grows on leaves of “ Psychotrie cujusdam,” and therefore in a warm climate, for no Pyschotria ascends the mountains. The leaves of R. flaccida, however, are said by Gottsche to be twice as long as broad (4 x 4 lin., 4 x lin.) and to be merely obtuse, whereas our plant has them, nearly, or quite, as broad as long, and occasionally the breadth at the very base is greater than the length, while the apex is widely rounded or subtruncate. These differences rendering its indentification with the Mexican plant doubtful, I have called it in my Mst. R. folzicola. I gathered specimens in perfect state in a vast number of localities, but after sedulously comparing them, I must reduce them all to a single species, which varies mainly in the length of the perianths and of the male spikes. When young the perianth is narrow-campanulate, but rarely preserves that form at maturity, and usually lengthens out until it assumes the shape of a trumpet or club, 3 or 4 times as long as broad. Where a great majority of the perianths stop considerably short of the normal elongation, we have the rare variety brachycalyx, which, however, differs in no other respect from the typical form. The ¢ spikes vary greatly in length, even on the same plant, and I have seen them with as many as 15 pairs of bracts, but never with fewer than 3 pairs. Parallel differences are observable in several other Radule, and the length of the perianths, or of the ¢ spikes can never be relied on as aspecific distinction until the limits of its variation have been accurately ascertained.* 8, RADULA AMAZONICA Spruce. Hab. per sylvam Amazonicam ad arbores saxaque frequens. Caript, prope Para, ad rupes maritimas. San Carlos, aliisque locis secus fl. Negro, in cortice. Ad fl. Orinoco supra cataractas, in cortice. F. lobus 1°3 x 1:15, lobulus ‘5 X °5; c. 4k 3 per 2°8 & 1:1™™, Fulvo-viridis, in plagas latas effusa. Caules circiter bipollicares, implexi, subflexuosi, laxe pinnati, pro more apice semel vel iteratim dichotomi ; rami inferiores breves simplices, rarius innovando- floriferi. * Ad fl. Bombonasa, in filicis fronde, Radule specimina prepauca legi, forsan ad R. tenellam G. Mex. Leverm. 149 referenda. Pusilla viridissima fragilis. Folia haud recte complicata, lobo autem a plice apice plus minus divergente ; lobulo mammilla prealta conica instructo. Perianthia tenuia, ore crenata, longitudine varia. 322 RADULA. Folia ad } lat. usque imbricata, supra lobulum divaricata, subplana, a basi (semicordata caulem transeunte) ultra 4 complicata angulo plicam inter et caulem 45°-60°; lobus late oblongus, subfaleatus rotundatus repandulus ; lobulus triplo fere brevior, subrhombeus obtusus vel subacutus, planus, subappressus, solum ad carinam paruis inflatus, basi in caule alte incurrens; cellule parvee conformes subzequilatero-hexagone leptodermes convexule, ambitu ex endoch- romio late opacee, solum in centro pellucide.—Mammilla radicellifera ad medium lobulum, juxta carinam, posita, humiliuscula. Flores dioici: Q in dichotomiis, etiam in ramis monotropice innovandis quasi-laterales. Bracteze foliis conformes, nisi pro lobulo longiore dimidium lobum equante. Perianthia flavida foliis duplo longiora, subrecta, a basi brevi obconica lato-linearia, compressa, ore truncato bilabiata et vel repando-sub- crenulata vel utraque facie medio breviter fissa exindeque 4-lobulata, Andrecia medio caule ramove posita, foliis consecutiva, vel ramulum totum sistentia ; bracteze sub 5-jugze, foliis vix minores, erectiores, dimidio inferiore sacculum oblongum erectum constantes, lobulo dimidium lobum superante apice ovato-rotundato. Var. Negrensis S. Major, 3-4-pollicaris flavida fulvave. Caules arctiuscule pinnati, raro subbipinnati; rami breves, medio (ad speciem) florem 9 gerentes, revera apice floriferi, innovatione recte continua prolongati. Hab. ad San Carlos del Rio Negro. Var. Campanensis $8. Subbipinnata. Folia utraque basi cordata. Perianthia albida subbreviora, ore brevissime 4~5-loba et crenulata. Hab. M. Campana, in cortice, alt. 1200", Obs. This is the commonest corticolous species of the Amazonian plain, yet I can nowhere find it described. The Mexican R. subinflata of Lindenberg and Gottsche seems the nearest, and many- of its characters are the same; yet nothing is said of the strongly divaricate leavyes—a marked feature of our species, distinguishing it from all other South American ones except R. pseudostachya, nor are the perianths said to be compressed, whereas our plant has them much flattened, and (the short obconic base excepted) of equal breadth throughout, so as to be ligulate, or broadly linear, in outline. The lobule is slightly bullate at the root- bearing mammilla, but not so much so as in some other species, described in Syn. Hep., where it is not considered worthy of mention. Radula amazonica grows throughout the Amazon Valley, from the mouth of the Amazon to the cataracts of the Orinoco on the north, and on the south-west ascends the Peruvian Andes to about 4000 feet on Mt. Campana. It grows always on the bark of trees, whereas its near ally, R. riparia, grows on shady rocks by streams ; and Rk. flaccida Lind. et G. always on living leaves, whether of trees and shrubs, or of palms, or of perennial herbs and ferns. iy vi The variety Campanensis looks distinct, from the whitish perianths, but I can find no good character to separate it from the type. 9. RADULA RIPARIA Spruce. Hab. Tarapoto Andium Peruvie, ad rupes umbrosas in rivuli ripis. F16 x 1°2,1°4 x 1°25, lobulus 5 x 5; cpy>;5 per 30 x You Elata pallide flava substratificata. Caules 3-pollicares inzqualiter pinnati, ramis ? furcatis. Folia subimbricata—ramorum sterilium subdissita—patentissima vel RADULA. 325 subdivergentia, a basi ad 4 alt. integra et complicata, plicé concava decurrente (f. rameorum przecipue), dein biloba; lobus late semi- cordato-oblongus vel subrotundus, basi caulem transiens, apice rotundato angulato-repandus ; lobulus rotundo-rhombeus subplanus, caule alte incurrens, obtusatus vel late retusus ; cellule parve eequilaterze leptodermes opacee convexule. Flores dioici: Q dichotomiales ; bracteze foliis perpaulo minores, vix diversze, patulee. Perianthia foliis duplo longiora, clavata vel anguste infundibuliformia, compressula, basi sensim longe attenuata, apice incurvulo repando- truncata. Planta mascula subbipinnata. Amenta vel ramulum totum vel ejus apicem mediumve solum tenentia, julacea ; bracteze 5-10-jugee, foliis duplo minores, a basi ultra medium erect saccatee, apice oblongo- rotundo angulato vel subdenticulato patule ; lobulus vix duplo brevior rhomboideus obtusus. A. R. amazonca S. differt foliis rotundioribus, ad carinam magis decur- rentibus, preecipue autem perianthio elongato basique longius attenuato. R. subinflata Ldng. et G. lobulum habet inflatum acutum. 10. RapuLa JAMESONI Tayl. Lond. Journ. Bot. (1846) p. 374. Hab. Andes Quitenses, prope Pallatanga, ad truncos saxaque, alt. 2200™ ; M. Pichincha, terrestris in sylvis ad aggeres umbrosos, alt. 3000™. In arborum truncis montis Cayambe, alt. 3900" primum legit W. JAMESON. F. lobus 3°0x2°1, 1°8x1°7; lobulus *8x°*75, “7 x°5; carina “8; ¢ 3; br. 3 smm_ Elata ceespitosa pallide flava flaccida. Caules 3-4-pollicares rubri, inferne nigrescentes, laxe pinnati et bipinnati. Folia contigua vel subimbricata, basi sola pro more obtecta, a basi com- plicato-saccata, carina subrecté angulum 45°-60° cum caule formante, in lobum magnum late semicordato-ovatum, auricula baseos caulem latissime transeunte, apice decurvo rotundatum, dilatata; lobulus 2-3-plo brevior, rhombeus, ad insertionem caule alte incurrens, margine interno retusus vel obsolete 2—3-fidus, subplanus ; cellule parvee eequilaterze leptodermes subpellucide. Flores dioici: amenta g tenuia julacea, ad ramos lateralia, folio collaterali subduplo longiora; bracteze 4-5-juge, foliis multo minores, equitantes, a basi supra medium in sacculum eylindricum erectum conflate, deinde bilobee, lobis oblongis, antico patulo, postico breviore erecto. Antheridia binata magna globosa, fila- mento longiore tenui arcuato suffulta. Lobulus foliorum rameorum semicordato-rhombeus, caulinorum seepe apice magis protractus et lingueeformis. 11. RapDULA RAMULINA Tay]. Hab. Lond. Journ. Bot. (1846); G. L. et N. Syn. Hep. p. 726. Andes Quitenses, regione sylvestri haud infrequens. M. Tunguragua et fi. Pastasa, in terra inter fruticulos lichenesque, vel ad fruticum ramos, Baiios, in saxis umbrosis: pl. ? fertiliss M. Cayambe, et M. 324 RADULA. Pichincha, ad ramos, a cl. JAMESON priusquain lecta. Chuquiribamba prope Loja (G. E. MAssEe). F. lobus 3:0 x 2:3, lobulus 16 x 1:3, 20 x 14; ¢ 3,3 f. ramulina *6—4™™ longa ; br. 14; per 45 x 1:6™™; caps 2°25™™ longa. Elata czespitoso-stratificata pallide flava ~albicansve flaccida. Caules 3-pollicares crebre pinnati, interdum bipinnati, ramis ramulisque pro more brevissimis parvifoliis. Folia subcontigua magna patentissima, basi brevi inserta, ultra dimidium biloba, complicata, utraque basi profunde cordata ; carina subrecta angulo 60°-80° e caule extans; lobus oblique oblongus vel sub- obovatus—aliquando subrhomboideus—rotundatus, basi antica in auriculam faleato-semicircularem, caulem latissime transeuntem dilatatus, repandus; lobulus duplo (vel solum dimidio) minor, semicordato-rhombeus, obtusus subacutusve, auricula basali latis- sima caulem utrinque transeunte, medium versus apiculo lobulove aucta, ad carinam szepissime anguste alte inflatus, caeteroquin sub- appressus; cellule parvee equilaterze convexule leptodermes, annulo angusto opaco cincte.—Folia ramea caulinis 2-3-plo, ramu- lina 5-8-plo minora, imbricata, lobulo semicordato-quadrato magis inflato. Flores dioici: Q in caule ramisque terminales, innovationibus duabus oppositis (raro una sola) suffulti. Bractez foliis caulinis duplo minores, perianthio appresse, ad } bifidze, lobis oblongis, superiore rotundato, inferiore dimidio minore acuto. Perianthia alte emersa, bracteas triplo superantia, awrantiaca, apice pallidiora, clavata vel clavato-poculzformia, compressa, ore truncato repandula. Calyptra magna=perianthii 3, anguste pyriformis. Pedicellus perianthio vix duplo longior. Capsula perianthio duplo brevior, rubra, cylindrico-oblonga, ad basin usque 4-valvis; valvulee siccando suberecte, marginibus recurvis. Andreecia ramo ramulove constantia, julacea; bracteze sub 6-jugee, parvee, dimidio inferiore cauli adnate et saccatee, deinde bilobe, lobo antico paulo majore falcato-oblongo rotundato, lobulo erecto., Obs. Perianthia pro more pulchre aurantiaca, in stirpe Banensi interdum virescentia, preelonga, inferne tenuiora; in Lojensi albida, latiora, elongato-campanulata fere appellanda. "12. RADULA VIRIDI-AUREA Spruce. Hab. Andes Quitenses, ad pedem montis Tunguragua, juxta pagum Baiios, 1n cortice. B17 xX 1-5 ; lobulus 6 X “9; ¢ 4," Majuscula prostrata, viridi-aurea-flavicansve, tenera flaccida, Caules 3- ollicares laxe pinnulati, raro etiam vage divisi. Folia confertiuscula, ad dimidiam latitudinem imbricata, seepe margine gonidiis deformata, patulo-devexa, inferne complicata, carina plicave fere horizontali (angulo axillari 80°) recta, medio tumidula ; lobus oblique semicordato-ovato-rotundus, basi antica caulem transiens ; lobulus lobo subtriplo brevior semicordato-rotundus, basi haud alte incurrens, caulem perpaulo transiens ; cellule parvulz equilaterze leptodermes opacz. Flores invenire non potui. A. R. Xalapensi Mont. et R. subinflata L. et G. facile distincta. RADULA. 325 quadrata Gottsch. et R. afinis L. et G., quoad colorem et texturam nostra sat similes, lobulo subquadrato distant. 13. RADULA INVOLVENS, Spruce. Hab. Andes Quitenses, in sylva Canelos, ex arboribus pendula vel super Plagiochilas reptans. F1:25 x °9, lobulus ‘4-5; ¢ dy™™ ‘, Elata flaccida rufo-badia. Caules tripollicares purpurascentes flexuosi laxepinnati, pinnis brevibus. Folia subimbricata, a basi turgida (ad carinam arcuatam ascendente) ‘faleato-divergentia; lobus oblique semicordato-ovato-oblongus ro- tundatus (sublinguzeformis), basi caulem obvelans, dimidio supero valide involutus, margine angulato-repando, facie subpapulosa ; lobulus triplo fere brevior trapezoideus, apice valde obtusangulus, seepe bis implicatus, carinam versus alte mammillatus radicellasque in fascias duas divergentes colligatas proferens; cellule parva convexze valde opace, trigonis autem magnis pellucidis ad cellularum angulos interpositis. Ceetera haud visa. R. amazonice proxima, distincta tamen foliis ovato-lingueformibus involutis asperulis; lobulo haud equilatero, ejus angulo apicali prelato. Subtribus Il. PORELLEZ. Platyphylle Nees. Hep. Eur. pro parte. Plante elate speciose, virides, flavide badizve, interdum politz, czespitoso-erecta-pendulzeve, vel procumbentes et stratificate. Caules e caudice repente radicelloso, in etate dissoluto, oriundi, robusti, ceilulis sub 12-stratis (24 c. in diametro) conflati, subarhizi, plumeeformi-pinnati et bipinnati; rami omnes laterales, e folii axilla _ orti, basi tam lobo quam lobulo contigui iisdemque velati. olia magna, alterna vel per paria approximata, incuba, basi fere transversa inserta, complicato-bipartita, ad sinum nuda vel szpe appendiculo deorsum spectante, integro vel fisso, aucta; lobus anticus major, patens, subovatus, apice lato integerrimus raro dentatus ; lobulus subduplo brevior suberectus ligulatus (late linearis) integerrimus vel dentatus, basi externa in aliis speciebus in caule longe lateque decurrens, ibidemque profunde incisus et erispatus; cellule j4-3'55"", sepius suboblongo-hexagone, ad angulos incrassate, inferiores interdum majores et discolores. Foliola ubique presentia, lobulis subconformia, pro m. paulo latiora, apice integra, basi integra vel utrinque ad lobulorum instar in eristam decurrentia, unde caulis in tergo ad speciem alatus vel squamosus evadit. lores omnium dioici: ? cladogeni, ramulo TRANS. BOT. SOC. EDIN. VOL. XV. 2T 326 PORELLEA. perbrevi constantes. Bractece bijuge, raro plures, bilobe, foliis acutiores, margine semper ciliate denticulateeve; bracteola apice integra vel subbifida. Perianthia emersa subovalia, a fronte com- pressula, preter ad basin leptodermia, sectione trigona, carinulis autem utraque facie sepe adjectis, ore primum subconstricto demum hiante szpeque bilabiato, 10—20-laciniato. Calyptra plus duplo brevior, supera, globosa brevicolla carnosa (in P. ptilopsi basi 8-10c., superne 5c. crassa; in P. plutyphylla inferne 4-, apicem versus 2-strata, cellulis minutissimis), basi pistillidiis sterilibus 7-30 circumdata, apice demum bivalvis. Pedicellus brevis, peri- anthio solum duplo longior, validus, cellulis alternis 12-20 in diametro, apice subdilatato interdum ad 24¢c. latus. Capsula magna rufula globosa, ad basin usque 4-valvis; valvulz fissiles, demum pro more inequaliter trilobz, raro tota longitudine inter se dis- junctee, basi autem et paulo altius ad suturas integre. Cellule exothecii sat magne et alte, 4-8-gonee, superiores tam late quam long, inferiores oblong (subrectangulares), omnes columnis validis rubrofuscis ad angulos fulcite. Endothecium tenue, facile (sepe pedetentim) secedens, cellulis parvis, irregularibus, fibra pertenui inclusa obscure reticulatis vel plane vacuis, aliarum specierum 2—4-stratis, aliarum solum l-stratis, conflatum. Hlateres numerosissimi breviusculi tenues 2-3-spiri decidui. Spore magne, elateribus 3-5-plo latiores, subglobose, asperule. Andrecia brevispica julacea, ramum totum vel ejus apicem solum tenentia; bractee confertze opposite, mediante bracteola cum contrariis connate, turgide, subinzquilobe; antheridia constanter solitaria magna ovali-globosa stipitata. V. PORELLA,: Dill. Hist. Muse. (1741). Lindberg, Utredning af Skadinaviens Porella-former (1869). Madotheca Dum. Comm. bot. (1823); G. L. et N. Syn. Hep. (1844). Genus ad diem unicum. Hab. Insylvis montanis ad arborum truncos et ramos, necnon ad saxa, raro in terra inter fruticulos. Distr, Inter tropicos magis abundant species; in zona temperata boreali haud infrequentes; ultra tropicum Capricorni autem multo rarius eveniunt. In Andibus species sub 8, cum pluribus varietatibus, legi ; infra 600 metr. alt. autem et in tota planitie Amazonica nullam invenire potui. PORELLA. ay: Porella, placed by Nees and others in the same subdivision of the order as Radule, has really very few characters in common with it that are not shared also by several other genera. The only species of Radula that approaches it is R. Gottscheana, by the cladogenous ? flowers and the short capsule; while every other species is acranthous and has subcylindrical capsules three times as long as broad. Porella, however, differs from all Radule in the regularly pinnate and feather-like stems ; the axillary branches (not infra-axillary, as in Radula, but intra- axillary); the universal presence of underleaves, the basal angles of which, like the external base of the lobules, are often decurrent on the stem in the shape of a laciniate and crispate wing; the side leaves (especially on the branches) often subopposite; the bracts of the ¢ spikes exactly opposite, and connate with the intervening underleat ; the toothed or ciliated ? bracts; the much shorter and usually less compressed perianth, at first constricted at the plurilaciniate mouth, and only becoming 2-lipped, or campanulate, by the extrusion of the fruit; the globose capsule, the valves of which are fissile, and in age unequally- lobed, but are rarely separate from each other down to the very base ; the smaller, shorter elaters, and the comparatively much larger spores. $1. Per. facie anticd 2-, posticd depressd 1-plicata, plicis carinisve sepe (in etate precipue) obsoletis, ore brevissime fissa, lacinulis sub 10, triangularibus, denticulatis spinulosisve, demum liantia bilabiata. 1. P. crispata. Frons mediocris lineari-lanceolata, pinnata vel subbipin- nata. F. conferta (ramea subopposita) ; lobo ovato-lingulato anguste rotundato, margine postico valde crispato basi parviauriculato, ad sinum 1-2-spino ; lobulo } breviore lanceolato-ligulato ; ¢. parvulis levibus, inferioribus mediis subduplo longioribus flavidis. F'™* lobulis majora, cordato-lingueformia integerrima, superne recurva. Per. ovato-oblonga obtuse 3-carinata (antice ecarinata) ore truncato ciliolata. 2. P. asperifolia. Caules sat elati, primum subdichotomi dein pinnati vel bipinnati. F. confertiuscula subfalcato-divergentia ; lobo ovato- lingulato rotundato, margine postico recurvulo basi crispulo et breviter 1-2-spino; lobulo 2-plo breviore ligulato, basi antica breviter hastato, postica longe bidentato; ¢. parvulis convexis scaberulis. F'# lobulis 2-plo latiora ovato-lingueformia rotundata, basi subdecurrente 1—4-spina. 3. P. ptilopsis. Frons elata lanceolata bipinnata. F. magna subhorizont- alia vix imbricata, per paria approximata; lobo ovato-oblongo truncato-rotundato, margine infero recurvo; lobulo vix 2-plo breviore ligulato, basi externa sagittato et runcinato-ciliato; c. mediocribus subpellucidis. F'* subduplo breviora, basi utrinque decurrente runcinato-fimbriata. Per. alte emersa, antice obtuse 2-plicata, postice late unicarinata, ore constricto minute spinuloso- denticulato, demum bilabiata. 4, P. Miillert. Frons elata laxiuscule pinnata, pinnis longis. F. sat magna subdissita ; lobo ovato-rhomboideo apiculato-acuto, apicem versus subdenticulato, basi integerrimo ; lobulo subtriplo breviore ligulato basi in cristam decurrente; c. parvulis. F* ligulata retusa, basi decurrente laciniato-cristata. 5. P. squamulifera. Frons elata arcte pinnata angusta, ramis brevibus decurvulis apice parvifoliis. F. sat magna arcte imbricata, lobo late cordato-ovato caulem antice late transeunte, apice rotundato 328 PORELLA. cucullato; lobulo haud duplo breviore obovato-ligulato basi in alam decurrente, ala in squamulas ovatas cucullatas fissa ; ¢. valde incrassatis. F'* lobulis paulo latiora, basi hine in alam lobulatam decurrentia. Per. late ovalia compressa, antice demum (carinulis 2 obliteratis) alte convexa, ore inzequilobulata et denticulata. § 2. Per. superne saltem pluriplicata, demum campanulata, ore hiante 10-, 15-vel 20-fida, laciniis denticulatis ciliatisve. 6. P. acanthota. Elata laxe ineequaliter bipinnata. F. subcontigua patentissima, in sicco immutata; lobo semiovato-oblongo, basi ad sinum in auriculam laciniatam producto; lobulo $ breviore anguste ligulato, basi externa longispino-auriculato ; c. mediocribus suboblongis. F'* lobulis subzqualia, basi utrinque in cristam laciniatam decurrentia. Per. alte emersa obtuse pluriplicata, ore 15-fida, laciniis lato-subulatis acuminatis iterum lacinulatis. 7. P. arborea. Frons elata pinnata lineari-lanceolata, ramis brevibus apice tenui decurvulis. F. conferta patulo-devexa undulata ; lobo semicordato-ovato obtuso, margine postico valde sinuato-crispo basi 2-4-laciniato ; lobulo vix $ breviore ligulato, basi externa in pro- cessum liberum incisum protracto; ¢. parvulis, trigonis maximis. F™ lobulis duplo latiora, toto margine recurva, basi utrinque eristato-decurrentia. Per. superne 10-plicata, ad } laciniata, laciniis 20, acuminatis ciliatis. 8. P. brachiata. A pr. differt foliis minus imbricatis, parum crispatis ; lobo basi postica 1-2-ciliato; ¢. minutulis. F' lobulis vix latiora, infra medium runcinato-ciliata, basi cristato-decurrentia, cristé valde laciniata. 1. PORELLA CRISPATA. Jungermania crispata Hook. Muse. Exot. t. 143. Hab. Andes Granatenses, “in umbrosis montis Quindiu, ad radices Quercus granatensis” (Humboldt et Bonpland) ; ad Orchideas e Nova- Granata allatas carpsit cl. Webster, pl. g@ et Q cum per.; in Andibus Peruvianis, ad rivuli Marona-yacu ripas, prope Tarapoto, ipse legi a. 1856. Bls7.x) 1:2, dobulus 1°05) :x 35; f* 1:2 * ba; pero c. infer. 37, super. 4 ; per. 2°5-3°0 x 1:3™™, Fulva, stratificata, magn. P. platyphylle. Caules 2-4-pollicares, e caudice repente intricato-ramoso subfolioso assurgentes, pinnati vel subbipinnati, pinnis breviusculis subdissitis, frondem lineari- lanceolatam sistentes. Folia conferta, caulina alterna, ramea subopposita, bipartita; lobus oblique ovato-lingulatus, apice angusto rotundatus, basi antica dilatatus (vix semicordatus) margine postico insigniter sinuato- erispus, basi in auriculam parvulam ovatam obtusam vel acuminatam productus ; lobulus lobo dimidio brevior, plus triplo angustior, erectus, oblique lanceolato-ligulatus, repandus, basi interna (i.e. ad sinum) processo subulato hamato auctus ; cellule parvulee subopacze, ad angulos subincrassatee, nucleo in sicco collapso lineari-serpentino, infericres medize autem duplo fere longiores, flavidee. Foliola lobulis sat majora cordato-linguzeformia obtusata, supra medium recurvo-patula, margine laterali recurvo, caulina tam lata quam longa, ramea paulo angustiora. Flores dioici: @ pinna abbreviata constantes. Bractez subbijuge, PORELLA. 329 interiores foliis caulinis haud minores, iisdem latiores, ineequaliter ciliolate; bracteola biloba, Perianthia emersa ovato-oblonga compressula obtuse tricarinata, ore truncato ciliolata. Andreecia brevispica, pinnam totam vel ejus apicem solum_ sistentia ; bractez foliis breviores latioresque ventricosee; bracteole magne subquadrate, apice rotundato-truncato 4-crenatee. Stirps Grana- tensis subminor est, arctius pinnata, foliorum lobo basi interna spinis seepissime binis deorsum spectantibus armato, quasi bicaudato (neque, ac in planta Peruviana, simpliciter caudato). Obs. Distinguished from the other crisped-leaved species by the leaves being nearly entire, and by the very broad underleaves, which are not decurrent and laciniate at the basal angles. Hooker’s figure and description accord so well with my plant that I refer it confidently to his Jung. crispata. It is true that the figure shows the underleaves obcordate, and so they are, but in appearance only, from the reflexion of the obtuse apex. Humboldt gathered the original specimens in the Andes, a few degrees north of the equator ; I mine a few degrees south ; in both cases, no flowers were observed. Mr Webster, however, has picked specimens off Orchid bulbs, sent to Messrs Backhouse from the highlands of New Granada, and on them I find flowers of both sexes and periauths. 2. PORELLA ASPERIFOLIA, Spruce. Hab. ad arborum ramos secus rivulos prope Tarapoto Andium Peruvie orientalium, alt. 600™. H, dobus 251-3; 2°1x1°2, lobulus V2 % 35, egy pf VPx75 ; T:0:X*65™™. Elata, 6—9-pollicaris, olivaceo-viridis flaccida pendula. Caules vage vel subdichotome ramosi, ramis inzequaliter pinnatis. Folia arctiuscule imbricata subfalcato-divergentia, in basi fere ipsa bipartita; lobus oblique ovato-lingulatus rotundatus, margine antico repandus basi obsolete denticulatus, postico recurvulo basi minute crispulus ac breviter 1-2-spinus; lobulus duplo brevior ligulatus obtusatus repandus, margine antico subdenticulatus basi breviter hastatus semicordatusve, postico basi longius producto sub- bidentatus ; cellule parvulee subzequilaterze concolores subopacee papuloso-prominulze et subverruculose. Foliola lobulo vix squilonga, duplo latiora, imbricata ovato-lingulata rotundata, basi subdecurrente dilatata utrinque 1-4-spina vel angulato-serrata, a basi ad medium usque caulem arcte amplexantia ibidemque laxe pellucide areolata. Var. flavens, pellucida. Caules humiliores bipollicares laxe bipinnati. Folia breviora latiora. Foliola latiora seepe ovato-triangularia retus- ula, infra medium utrinque valide 2—4-dentato-spinosa.—Cum typo habitat. Madotheca divergens Ldng. et G. Syn. Hep. 731, Gottsche Mex. Leverm. 164, caule dichotomo-bipinnato nostre subsimilis, differt foliis leevibus integerrimis, foliolis basi cordatis, etc. 3. PORELLA PTILOPSIS, Spruce. Hab. in monte Tunquraqua, ad saxa et truncos. F. lobus 2°1x1°4, lobulus 1:2 °35, ¢ sy—-ay; f 11x55; br 13; per 33D) eg ed 330 PORELLA. Elata pallide viridis stratificata ; caules 5—6-pollicares laxiuscule pinnati, pinnis strictiusculis ascendentibus floribus pinnulatis, frondem lanceolatam sistentes. Folia fere horizontalia, per paria approximata, parum imbricata, ad basin fere usque bipartita; lobus ovato-oblongus truncato-rotundatus repandus subangulatusve, margine infero toto plus minus recurvo ; lobulus vix duplo brevior, ligulatus, plus triplo longior quam latus, rotundatus vel subretusus, basi semisagittatim productus ibidemque runcinato-ciliatus, ceeterum integerrimus planus cauli appressus ; cellule mediocres eequilateree pellucide, ambitu anguste opace, folii marginem versus sensim subminores. Foliola foliis duplo fere breviora, duplo longiora quam lata, appressa, ligulata, apice subrotundata subtruncatave, basi longe decurrente runcinato-fimbriata. Flores dioici: @ ad ramos primarios, rarius in ipso caule, laterales. Bractee bijuge, intime foliis plus dimidio breviores, paulo ultra $ complicato-bilobe ; lobus rhomboideo-lanceolatus vel semiovatus apiculatus distanter ciliatus; lobulus duplo minor lanceolatus ligulatusve ciliatus ; bracteola foliolis subeequimagna, paulo latior, ciliolata denticulatave. Perianthia alte emersa, bracteas triplo fere excedentia, late ovalia com- pressa antice obtuse 2-plicata, postice late unicarinata, ore angusto minute spinuloso-denticulata demum bilabiata. Calyptra paulo minor, obovata opaca, bilabiatim rupta. Capsula magna globosa. Elateres torti bispiri, utrinque subobtusi, diametro sporis globosis sublevibus triplo angustiores. Amenta ¢ ad ramos lateralia, folia duplo superantia, badia brevi- cylindrica julacea ; bracteze arcte imbricate, opposite, foliis multo minores complicato-concave bilobz, lobulo lobo duplo minore, cum bracteola interposita, lobuloque bracteze contrariz, in labium tri- lobum connato. Obs. Inter omnes Porellas Andinas pro perianthio microstomo insignis. Var. MACROPTERA (Porella macroptera Mst.). Cum P. ptilopsi sat convenit, differt autem fronde longiori (9-pollicari) angustiore, pinnis (tam pl. ¢ quam pl. 9) floribus crebre pinnulatis. Folia minora, magis opaca, cellulis subminoribus, dimidio supero leniter recurvula, margine postico a paulo supra basin ad vel ultra medium valide incurva. Perianthia ovalia, seepe facie antica alte convexa, quasi late unicarinata, alia (suleAé medid interveniente) 2-carinata, facie postica autem semper concava, e media concavitate prominula et l-carinata, basi et paulo altius cellulis 3-2-stratis, deinde ad apicem 1-stratis, conflata, ore parvo brevissime lobulata, lobulis 10-20 angustis ciliato-spinulosis conniventibus ; demum pro capsule emissione hine vel utrinque hiantia. Calyptra perianthio 4 brevior, obovata, carnosa, basin angustam versus 8-10 cell. crassa, demum inqualiter triloba, basi pistillidiis sterilibus sub 10 cireum- data. Pedicellus breviter exsertus validus, cellulis 18-20 (sectione hexagonis) in diametro. Capsula subglobosa rufa, valvulis 4 inequilatis, demum vario modo fissis, dehiscens; exothecium cellulis equalibus oblongo-hexagonis (fere rectangularibus) sat crassis, ad angulos columnis flavo-fuscis fulcitis, ceeterum leptoder- mibus, constans; endothecium flavidum tenue, facile secedens, cellulis 2-3-(margines valvularum versus sepe solum 1-) stratis, majoribus, inzequilato-4-7-gonis leptodermibus conflatum, capsule PORELLA. 331 faciem internam (imo etiam ad pedicelli apicem) totam obtegens. Elateres sporzeque iis P. ptilopsidis conformes. 4, PoRELLA MULLERI (Gottsche). Madotheca Miillert Gottsch. Mex. Leverm. 153. Hab. Andes Quitenses, in valle Alausi, loco Luemas, alt. 2000™, e ramis pendula, sterilis. Mexico, in monte vulcanico Orizaba (FR. MULLER). F, lob 20x11, lobulus -"75x'3; ¢ go; f@™ ‘85x°4 (sine basi decurrente). Elata pallide viridis. Caules 5-6-pollicares pinnati; rami dissitiusculi elongati subzequilongi, raro iterum pinnulati. Folia subdissita, ramorum contigua vel basi parum im)ricantia, ad basin fere usque bipartita, ad_sinum integerrima; lubus oblique ovato- rhomboideus, abrupte oblique apiculato-acutus, basi antica semicor- datus, margine sinuato-repandus apicem versus subdenticulatus, margine postico infra medium recurvus sed non crispatus ; lobulus triplo fere minor, obliquus, angulum 30° cum caule efformans, ligu- latus vel ligulato-lanceolatus obtusatus, margine sinuatus, basi cris- tatim decurrens ; cellule parvule rectangulari-hexagonz subopace, ad angulos parum incrassatz, basales majores flavidee. Folia siccando margine postico valide convoluta. Foliola subimbricata ligulata retusa, basi in cristam plus minus laciniatam longe decurrentia ; alia media basi radicellifera. A P. ptilopsi differt ramis distantibus subsimplicibus, foliis apiculatis subdenticulatis, lobulis brevioribus subdivergentibus, ete. —Mad. Chilensis L. et Ldbg. distare videtur caule humiliore vage pinnato ; foliis arcte imbricatis integerrimis; foliolis haud basi cristato-decurrentibus.—M. Miilleri G. autem, Mexicana, ad amussim fere cum nostra Andina congruit. 5. PoRELLA SQUAMULIFERA, Tayl. Madotheca squamulifera Tay]. in Lond. Jour. Bot. 1846. Hab. Andes Quitenses, prope Esmeraldas, ex arboribus pendula (W. JAMESON); in valle Pangor, ad rupes, alt. 2600™ (R. S. 1858). F. lobus 2:0 1°9, 1°8x1°4, lobulus 1:°3x°7; f%13x°8; c. infertores sb, submarginales A-s5 3 squamule -2™™, Elata, dense cespitoso-stratificata badia, apice virescens. Caules e caudice repente 6-9-pollicares validi crebre pinnati arhizi; rami breves, a medio caule superne sensim decrescentes, arcuato-decurvuli, apice attenuati, siccando julacei, simplices vel ramulo unico paucisve pinnulati. Folia arcte imbricata, convexa, ad basin fere usque bipartita; lobus late cordato-ovatus-ovalisve, antice caulem late transiens, e margine postico apiceque (rotundato) valde incurvis cucullatus, repandulus, raro hic illic denticulo armatus ; lobulus haud duplo brevior obovato-ligulatus rotundatus, suberectus, margine recurvulo, basi in caule longe de- currens ibidemque in sqvuamulas subimbricatas ovatas amorphasve, integras bifidasve, cucullatas fissus ; cellule inferiores majores flavidee pellucidee suboblonge, plures apicem marginemque versus duplo fere minores, subeequilaterze, opacee, pariete omnium ad angulos valde incrassato. Foliola lobulis zequilonga, paulo latiora, imbricata, subappressa, ligulato- 332 PORELLA. oblonga, margine toto recurvo integerrima nisi basi hine decurrente in lobulos squamulasve fissa. Flores dioici: @ ad caulem (raro ad ramos) laterales. Bracteze subbijugee raro plures, intimee foliis equimagne ad 4} complicato-bilobe, lobo semiovali, lobuloque angustiore, zquilongo fere, subdenticulatee ; bracteola zequilonga late ovalis, apice truncatulo preecipue denticulata. Perianthia foliis sat longiora, late ovalia, compressa, antice bi-postice uni-carinata, fructu maturando facie antica alte convexa (carinis obliteratis), posticé concava, medio tamen in carinam obtusam elevata, ore ineequaliter lobulato denticulatoque, demum bilabiata et decurva. Exemplaria originalia Jamesoniana cum meis satis bene conveniunt. Folia margine postico valde incurva, basi ipsa tamen vel plana vel erispula. Lobuli foliolaque basi in alam profunde laciniatam super caulem producta, laciniis squamulas mentientibus. Caulis aliter non est “squamulifera,” neque in hac specie nec in P. arborea ceterisque. 6. PORELLA ACANTHOTA, Spruce. Hab. in monte Azudy Andium Quitensium, ad fruticum ramulos. F. lobus 2:0 x 1:4, lobulus 1°4 x °35 ; ¢ ay ; f 1:1 (1'8 ad basin decurrentem usque) x°8; br 2°55 br’* 23x11; per 4:0 x 2'1, lacinie 1°5; elateres 45 spore gy—y5™. Elata pendula virescens. Caules 6-9-pollicares, laxe bipinnati, ramis ramulisque subinzequilongis, apice seepe attenuatis. Folia subcontigua, angulo fere recto patula, siccando immutata, bipartita complicata, carinad perbrevi arcuaté; lobus semiovato-oblongus, margine supero, basi subsemicordata obsolete denticulata excepta, fere recto, postico apiceque plus minus rotundato repando, basi (7.e. in sinu) in auriculam 2-5-laciniato-spinulosam protractus ; Jobulus lobo $ brevior appressus ligulatus (4plo longior quam latus) rotun- datus, basi externa in auriculam longam spinoso-fimbriatam pro- ductus ; cellulee mediocres parum elongate opacze, trigonis magnis ad angulos aucté, subbasales sensim majores flavide. Foliola lobulis subequimagna, subimbricata, ligulato-oblonga rotundata, basi (hine preecipue) in cristam laciniatam longe decurrentia, laciniis triangularibus acuminatis. Flores dioici: 9? laterales. Bractez bijugee, intime folia subexcedentes profunde bifide, complicatze, obtuse, plus minus denticulato-ciliate, lobo semiovali, lobulo ligulato fere zquilongo triplo angustiore ; bracteola ovato-lanceolata sublingulata rotundata ciliolata. Perianthia alte emersa, f. caulinis duplo longiora, ovalia compressa, obtuse subplicata, ore truncato subconstricta, demum campanulata et macrostoma, 15-fida; laciniis lato-subulatis acuminatis iterum lacinu- latis denticulatisve, longit. = 2 perianthii. Calyptra perianthio duplo brevior globosa valida opaca, cellulis minutissimis 5-stratis con- formibus conflata, demum bivalvis. Capsula magna globosa, e peri- anthio in pedicello perbrevi valido vix emersa, vix ad basin usque 4-partita ; valvule fragiles, demum in lacinias 3 ineequales longitu- dinaliter fissee. Cellule bistrate, exteriores sat crasse, apicem valvule versus tam late quam longs, infra medium autem plus minus elongate, omnes leptodermes nisi ad angulos ubi columnis rubro-fuscis fulcite ; stratum interius facile (sepe pedetentim) PORELLA. 338 secedens, tenerum, cellulis irregularibus, fibra pertenui inclusa obscure reticulatis, constans. Elateres parvuli tenues 2-3-spiri. Spore magne, elateribus 4-5plo latiores subglobose setulis minu- tissimis asperule. Caulis in hac specie compressulus est ; cellule parve sub 12-stratee (24 in sectionis diametro), stratorum 4 vel 5 extimorum ad Palmarum instar opacee, rufo-badiz vel nigrescentes, pachydermes, sectione sub- elongatee ; interne pallidze leptodermes, sectione subeequilatere. Madotheca Brasiliensis Raddi, subaflinis, caules habet simpliciter pinnatos, folia late semicordato-ovata, auricula interlobulari galeata subsaccatave, lobulo subspinuloso ; foliola ovato-lingueformia spinulose (basi ac in nostra decurrentia et laciniata) ; bracteas laciniato-spinosas. 7. PORELLA ARBOREA (Tayl.). Madotheca arborea Tayl.! in Lond. Journ. Bot. 1846. Hab. in sylvis Andium Quitensium, alt. 1500-3000", ad latera montium Tunguragua et Pichincha preecipue, ubi ad arborum ramulos pulchre viget. F. lobus 2°2 x 1°6, lobulus 16 x *43 ¢ ys 3 f (bast decurrente exclusa) 15x. 7753, per 2:0) x 2:0, 2:0.x 2°5, 370 «. -25™™. Elata fulva rufescensve. Caudex principio adest, prostratus, brevis, sub- ramosus, e foliis caducis cito denudatus, radicellis brevibus foliolorum reliquiis adnatis in matrice repens; fragilis est denique dissolutus, primum autem caules suberectos pendulosve profert. Caules 6-8°™ longi validi rufo-badii pinnati, frondem lineari-lanceolatam sistentes ; rami breves ($-1°™) raro iterum subpinnulati, apice sensim attenuati decurvulique. Folia subopposita dense imbricata patula subdevexa undulata, ad basin fere usque bipartita; lobus oblique semicordato-ovatus sensim angustatus obtusus repandus, subundulatus, toto margine postico valde sinuato-crispus (sinubus sub 5), basi laciniis 2—4 subulato- acuminatis deorsum spectantibus auctus; lobulus vix dimidio brevior ligulatus subfalcatus obtusatus, basi interna subspinosus, externa in processum obtuse incisum vel ciliatum productus ; cellule parvulz pellucide suboblongee, trigonis angularibus maximis, basin versus submajores flavidee. Foliola imbricata suberecta, lobulis subeequilonga, duplo fere latiora, late ligulata rotundata, toto margine recurva, utraque basiin cristulam sinuato-lobulatam super caulem decurrentia. Flores dioici: @ in ramo brevi vel haud raro subelongato terminales, Bractze foliis subeequales, magis acute, lobulo longiore toto margine— lobo solum margine postico (interno)—dentato-ciliato-spinosove ; bracteola ovato-ligulata, emarginato-bifida, margine plano recurvulove ciliata. Perianthia late ovalia ore subconstricta, demum (supramatura) ex ore hiante compresso-campanulata, superne 10-plicata, apice ad 1} laciniata, laciniis 20 (sc. 10, bipartitis) tenui-acuminatis ciliatis. Capsula majuscula globosa badia bistrata; cellule inanes, exteriores sectione transverse rectangulares, pariete valde incrassato, interiores minores teneres secedentes. LElateres elongati arcte bispiri obtu- sissimi diu persistentes. Spore magne ovali-globose minute tuberculesee. Amenta ¢ ad caulem et ramos primarios lateralia, folium caulinum 334 PORELLA. proximum plus minus excedentia, ovato-cylindracea, julacea; bractea opposite, foliis breviores latioresque, arctissime imbricatz, basi antica semicordata pro brevi spatio cum contraria connate, ultra $ bilobe, lobulis posticis mediante foliolo conformi in laminam apice trifidam recurvam alte connate ; antheridia solitaria (cujusque sacculi bina) maxima ovali-globosa. Var. megaloura S. Robusta ; caules 10™ et ultra alti, seepe bipinnati. Folia magna valde crispata, solum obtusa vel etiam subacuta, ad sinum insigniter spinoso-appendiculata, lobulo utraque basi inciso. Foliola latiora, seepe rotundo-oblonga, basi decurrente magis laciniato- crispa.—Hab. secus fl. Pastasa, ad cataractam Agoyan in rupibus, ad Rio Blanco ostia in ramis; etiam in m. Tunguragua ad terram inter Vaccinia lichenesque. Var. oreopteris S. Robusta, elata—fere pedalis. Foliorum lobus margine postico a basi ad 4 recurvo, parum vel non crispulus. Bractez longiciliatee—Hab. in monte Pichincha ad ramos (W. JAMESON et R. 8.) ; quoque in m. Azuay a cl. JAMESON lecta fuit. Obs. In all the forms of this variable species the perianth is normally 10-plicate, but the plicz are often irregular and inconstant in number ; the medial postical fold is however always the most prominent, showing the primitively trigonous form of the perianth.—I have taken as the type of the species the form which is most frequently fertile throughout the Quitenian Andes. Jameson’s original specimens are larger and often sterile, but shew no structural difference besides the leaves being less crispate. Mitten, on the faith of a specimen in Taylor’s herbarium named Mad. subciliata L. et L., has referred it to that species, from which it differs essentially in the underleaves having a caudate and laciniate prolongation at each basal angle, whereas those of M. subciliata are said to be “integerrima vel subdenticulata.” I cannot help suspecting some oversight in the description of M. subciliata (which was founded ona specimen of Jameson’s) ; for neither by Jameson nor myself has any Porella been gathered which has the leaf-lobule laciniato-caudate, yet lacks a similar appendage to the underleaf. 8. PORELLA BRACHIATA (Tayl.). Madotheca brachiata Tayl.! in Muse. Jamesonianis exsice. Hab. Andes Quitenses, ubi legit W. JAMESON (a meipso nusquam in vivo visa). Habitu et statura M. arborea J. congruit, differre videtur caracteribus sequentibus. Folia solum subimbricata semicordato-oblonga-ovatave, apice rotundata decurva, margine postico inferiore suberispa, ceterum plana, basi postica breviter 1-2-ciliata, anticé subunidentata—raro (quoad lobum majorem) omnino inermia; lobulus lato-ligulatus oblique rotun- datus valde crispatus, basi interna laciniis 1 vel 2, raro pluribus, elongatis sagittatus hastatusve, externa in appendiculum ciliis de- vexis fimbriatum dilatatus; cellule firme guttulate minutule ay—sp™™) valde incrassate, marginales lobulorum et foliolorum magis opacz et crassiores. Foliola lobulis breviora, vix latiora, ovato-ligulata subrotundata, infra medium runcinato-ciliata, aliquando subhastata, basi in ala valde laciniata super caulem longe decurrentia. Czetera non habui. , - . 5 . terminantia, circinnata, julacea ; braceteee ad 12-jugse, imbricate ? *“, is . 2 . co] ? . ? subrotunde, cymbiformi-complicatz (arte explicate paulo latiores quam long), acuminulate bidentuleve, subdenticulatee, valde pellucide. Bracteola oblongo-rotundee bifidulee ubique obvie. Specimina subnom. “Micropterygium vulgare Nees,” acel. Montagne recepta, ad hancce speciem spectant. Folia e cellulis alte et subacute conicis asperrima, toto margine serrulata et celluloso-erosa. Foliola quadrato-rotunda, apice subtridentata, valde celluloso-serrulata, ramorum tenuiorum oblonga ovaliave, bifidula. Perianthia omnino eadem ac in nostra. In M. Campana aderat forma dense late ceespitosa, ex albido-viridi rufula ; foliis confertis laxe complicatis cymbiformi-concavis abrupte acutis, lamella inferiore latiore, ovato-lanceolata, ala breviore, cellulis supra subtusque in conum truncatum verruculosum alte prominulis. (M. Campanense Mst.) 3. MICROPTERYGIUM ANGUSTISTIPULUM, Spruce. Hab, ad saxa in M. Campana ceeterisque Andibus Peruvianis inferioribus, alt. circiter 1000. F. lobus ‘6 x ‘33, lobulus *5 x ‘15, ala *5 x 125, ¢ A; ; foliola 35 x *15™™, Cespitosa pallide rufnla. Caules vix pollicares, basi brevi repentes, dein assurgentes et arcuato-decurvi, vage vel laxepinnatim ramosi, ramique (seepius elongati) subsequifoliati, solum basi apiceque subparvifolii ; hic illic, basin versus precipue, rarius e medio tergo apiceve, flagella pallida tenuia flexuosa centimetrum longa, primo visu aphylla sed radicellosa, proferentes. Alia flagella autem apice normaliter foliosa interdumque ramulosa. Folia pulchre disticha, «quitanti-subimbricata, arcte complicata ; lobus (s. lamina superior) duplo fere longior quam latus, oblique ovato- oblongus vel subrhomboideus, truncato-obtusatus, basi dilatatus subinde subsemicordatus, margine e cellularum tuberculis minutis- sime asperulo, superne angulato-repando rarius grosse subdenticulato ; lobulus (s. lamina inferior) dimidio lobo subangustior, eidem margine suo inferiore adnatus, haud tamen ad lobi ipsum marginem sed paulo intra (sicuti limbus alave lobulum superstet), paulo ante folii apicem sensim vel subabrupte desinens, margine superiore scaberulo repando ; ala semilunari-lineari-lanceolata, lobulo subzequilata. Cellule prie- minute, subguttulate, subquadratee rhombezeve (medium folii versus distincte subhexagonz) parum prominul, tota superficie crebre minute tuberculosee, unde folia asperula evadunt.—Folia flagellorum foliolaque minuta, subsequimagna, distantia, squameeformia, apice vel integra vel digitatim fissa ; radicellze (seepius 8), omnibus foliis adjectse, 4-10-fasciculatee, filiformes, pallide. Foliola dimidio folio sublongiora, concava, subappressa, vix imbricatula, ovato-ovalive-lanceolata, apice spinoso-bidentula vel 3-4-dentata, raro integra et acuminata. Flores dioici: Q subbasales, ramulo brevi sistentes (imperfecti solum visi). M. Pterygophyllum, huic proxima, differt foliis foliolisque toto margine 386 MICROPTERYGIUM. serrulatis, foliorum ala duplo angustiore basi longe breviore, foliolis paulo brevioribus suborbiculatis (nec lanceolatis). 4, MICROPTERYGIUM LEIOPHYLLUM, Spruce, Hab. per planitiem Amazonicam valde frequens, in sylvis primeevis umbrosis ad saxa et arborum truncos tam vivos quam prostratos et putrescentes ; locis (Brasiliz) Caripi, Mandos, Taruma, S. Gabriel, fl. Uaupés, &c.; (Venezuele) Cocéi, S. Carlos, &. In Andibus orientalibus rarior est et vix supra 900™ ascendit. F 85 x °43, lamina inf. 4x °25; f@°4x°18; e255 br. int 15x55; per 45x°75; caps ‘75 x °3™™, Pallide viridis pellucida, in plagas latas laxiusculas extensa. Caules 3-4 ™ longi, validi, 8 cell. diametro, 20 cell. circiter cireumferentia, arcuato-reptantes, intricati, basi subaphylli et flagelliferi, dein dis- tanter parvifolii laxepinnatim ramosi. Rami distantes, laterales simplices erecti, apice decurvi (in sicco circinati) oligo-(raro poly-) phylli; postici pauciores, plerumque flagellares rufescentes flexuosi parce radicellosi, alii autem foliosi iterum ramulosi. Folia subimbricata decurvulo-secunda sublevissima, oblique ovato- oblonga, apice subrecte-rotundatove-truncato pauciserrato-dentata (dentibus 4-7), cztero margine repandula integerrima, dimidio inferiore subplana vel caviuscula, superiore laxe et valde inzequaliter complicata; lamina postica folio duplo brevior, plus triplo angustior, semilanceolata, apicem versus 2-3-denticulata; ala laminze subcon- formis, integerrima ; cellule parvee (pro genere majuscule) pellucide, subpachydermes, planiusculz, subrhombex, carinam versus longiores et rectangulares vel subhexagonee, endochromio parco. Foliola foliis duplo breviora, ‘contigua, erecta, subconcava, ligulato- oblonga, apice 3—4-spinulosa, raro radicellifera. Flores dioici: ? rari, in ramo brevissimo postico terminales. Bractez 9, tristichee, appressz ; exteriores minutissime ; intima foliis 3plo fere longior, ligulato-oblonga, apice profunde ‘inciso-ciliata, ciliis sub 4 latiusculis flexuosis subciliolatis, caetero margine subciliolata ; bracteze duze proxime sequentes sensim minores, latiores, minus incisee: omnes tenues pellucide obtuse carinatee. Perianthia maxima, bracteis triplo longiora, linearia obtuse trigona incurva levissima, apice subconstricto in cilia longiuscula torta soluta; cellule: anguste rectangulares. Calyptra plus duplo brevior, tenuis. Capsula elongato- oblonga bistrata; cellule strati exterioris oblongo-quadrate, pariete trabeculato, interiores fibris semiannulari- bus intus fulcite. Elateres longi, laxe dispiri, folliculo tenuissimo. Spore minute, diametro elateribus subminores, leeves. Andreecia tenuispica, varie posita, plerumque ramulum posticum totum, vel ejus apicem solum tenentia, rarius in ramis lateralibus terminalia. Bracteze ad 10-juge, parvee tenerrime conferte assurgenti-secundee orbiculate concavissime eroso-denticulate, inferiores muticz, supe- riores acumjnate. Antheridia solitaria elobosa, in stipite sequilongo. Bracteole longitudine bractearum, lanceolate, utroque fine acu- minatze. Ad S. Gabriel fluvii Negro, in sylvis humilioribus ad arborum radices, advenit forma luxurians, densa, seepe bipinnata ; ramis foliisque planioribus, his magis serratis, dentibus ad dimidium folium fere descendentibus ; Tab. XIV. coll. faeiea Masse ad nat, dal. E Carter sc ‘MYTILOPSIS ALBIFRONS. MICROPTERYGIUM. 387 foliolis ovalibus apice argute 3-4-spinis. Ad hance forman spectare videtur “ Mier. vulgare” Spec. Hepat. quoad fig. 4. tabulw 21, foliolis apice autem 4-ciliatis. XV. MYTLILOPSIS, Spruce. Nov. gen. in tractatu “De Cephalozia” (a, 1882). Caudex brevis prostratus subdivisus rhizomatosus, cauwles lineari- frondiformes arcuantes, subsimplices vel paucirameos edens, ramis omnibus hypogenis, altis flagellaribus. Folia perfecte plano-disticha complicato-carinata subeequivalvia, margine parum hiantia, valvulis lamellisve ad apicem usque accretis, carina superne angustissime alata ; cellule praminutz pachydermes verruculosee, oliola caulina omnino nulla. lores cladogeni: ¢ amentiformes, bractew mon- andre. Bractee floris 2 2—3-jugee, tristiche, intime foliis sub- longiores, tenuissime, obtuse complicate bifidee subciliatee. Peri- anthium liberum elongatum leptoderme, inferne 4-(rarius 3-)angulum, apice 6-8-plicatum, ore longiciliatum. Calyptra libera tenuis. Capsula oblongo-cylindrica bistrata, cellulis internis vacuis. Hlateres dispiri. Spore tuberculose. Hab. et Distr. Unicam speciem adhuc cognitam locis cavis Andium orientalium Peruvie inveni. A Micropterygio distincta erit Mytilopsis defectu foliolorum, foliis zequaliter complicatis, structura perianthii, &. &e. 1. MyTILOPSIS ALBIFRONS, Spruce (TAB. xiv.). Hab. in montibus Andium Peruvianorum orientalium, alt. circiter 1000 metra supra mare, haud infrequens, locis cavis umbrosis ubi ad folia emortua saxaque czespites latos efficit. Fructum rarissimum nonnisi ad fluvii Cumbasa caput reperi. Caules $-13™ longi, (cum foliis) 1-2™™ lati; f. lob. 65 x °3, ¢ 3; br ‘75 x 5; bri* ‘9 x°5; per 20 x 0°6, 1°35 x 05; cal 1-0-8; caps ‘8 x selat-25™m™, Czespitosa, albescens, albido-viridis, raro roseo picta, opaca, in sicco fulva, rigidiuscula et fragilis. Caudex prostratus flexuosus divisus rhizo- matosus et radicellosus, caules assurgentes erectosve, apice decurvulos, foliosos, solum basi brevi spatio subaphyllos, fertiles (cum foliis 20- 27-jugis) frondem lineari-lanceolatam, steriles (cum foliis sub 40- jugis) linearem, sistentes, pancirameos edens. Rami omnes postici, alii breves ad florescentiam redacti; alii flagelliformes, folia minuta et radicellas gerentes, alii normaliter foliosi. Folia perfecte disticha, transversa, arcte complicata, marginibus parum hiantia, contigua vel subequitantia, arte explanata cordato-oblonga ; lamelle lineari-rhomboidee, fere equimagnz, paulo ante apicem grosse unidentatz, toto margine eroso-repandee et minute verruculose; anterior dimidio inferiore posteriorem perpaulo superans et in alam perangustam (1-8 cell. latam) repandam ultra carinam protracta ; 388 MYTILOPSIS. cellule preminute subrotunde, intus 6-sinuate, carinam versus oblongo-hexagonz, omnes convexulz, minute tuberculose, pariete incrassato, trigonis magnis. Folia caulina apice valde fissilia, raro revera subbifida. F. flagellorum minuta cochleata bifida. Foliola caulina omnino nulla. Flores dioici postici: 2 e caudice, rarius e caule orti, interdum fasci- culato-2-3-ni. Bractez tristiche, bi-trijugee, 3 interiores foliis sublongiores, tenuissime, ovate, obtuse complicato-concave, ad 4+ bifidee, segmentis tenui-acuminulatis, superne subciliatz, reti laxiore elongato rectangulo et rhomboideo-hexagono vacuo; intima (brac- teola) paulo longior, ad } fissa, inciso-ciliata. Bracteze exteriores multo minores, late oblique ovate concave, apice integre bifidulve. Perianthia bracteas plus duplo excedentia, tenuia, anguste pyramidato- fusiformia, inferne obtuse 3-vel sepius 4-gona, apicem versus 6-8- plicata, ore conniventi-clauso ciliis longis flexuosis fimbriata, textura bractearum. Calyptra paulo brevior ovalis tenuis. Capsula oblongo- cylindrica, vix duplo longior quam lata, pallide badia, bistrata ; cellulz ad parietes laterales trabeculis paucis fulcite, strati interioris fibra semiannulari carentes. Elateres longiusculi, laxe dispiri, subacuti. Spore globose, elaterum diametro, tuberculose. Andrecia amenta tenuia postica arcuata sistentia; bractee pauce orbiculatee concavee, apice bidentes, monandre. Obs. The branches spring from the middle of the under face of the © stem. The leaves veil the stem with their cordate base both at front and at back, and their bases imbricate those of the opposite side of the stem; so that the branches also are veiled at their insertion by the leaf-bases on both sides, but are not axillary to them as the pinnate branches of Micropterygium are. The 9 branches, usually shortened down to the flower alone, are sometimes elongate and flagelliform, radicellose except at the flowering apex. XVI. CEPHALOZIA, Dum. emend. Recueil d’Obs. sur les Jung. (1835). Trigonanthus Spruce, Ann. and Mag. Nat. Hist. (1849). Jungermanie sp. Syn. Hep.* Plante e prothallio lineari filiformive, interdum ramoso, ortz, pro more pusille minuteve, raro majuscule, foliose—in unica specie frondosze—radicellosze, subramosz, ramis omnibus hypogenis (e facie caulis inferiore ortis), nisi in aliis speciebus subgeneris Cephalozielle quibus accedunt rami pauci (rarissime omnes) laterales. Folia succuba, in paucis subtransversa, sat lata, plus minus concava, vel subcomplicata, in plerisque subzequaliter biloba, in paucis integra, margine incurvulo—nullibi reflexo—integerrimo, rarius denticulato, Foliola foliis minora, in plerisque speciebus ex parte vel omnino nulla, ad florescentias autem semper presentia. Flores dioici vel monoici (autoici, raro paroici); ¢ monandri, in amentis posticis, * Conf. etiam tractatum ‘On Cephalozia. Rich. Spruce, 1882.’ - eer Bot Soe. Shae Vol XV. \) | Qui NAN N ae Se a Ny; O— AV TO G Massee ad nat, del. E.Carter sc. PROTOCEPHALOZIA EPHEMEROIDES. CEPHALOZIA. 389 rarius in spicis terminalibus, positi. ores 9 in plurimis speciebus cladogeni, in perpaucis normaliter acrogeni, in aliis situ vario nunc terminales nunc postici. Bractew in capitulum congestz, tristiche, sepissime trijuge, bi- (dein 3-4-) lobe, inter se (saltem intime) seepe connate, a periantho tamen libere. Pistillidia 20, raro pauciora. Perianthiwm elongatum trigono-prismaticum (in subgenere Cephaloziella 3-6-gonum), ore truncato constricto varie fisso denti- culatove, raro integerrimo. Calyptra parvula, basi pistillidiis sterilibus circumdata. Capsula oblonga, ab ipsa basi quadrivalvis, bistrata, cellulis strati interioris fibris semiannularibus fulcitis : pedicello elongato tenui, cellulis in longitudine sub 60-seriatis conflato, suffulta. Hlateres dispiri decidui. Spore minute. Hab. Loca umbrosa et subhumida in sylvis et rivulorum ripis planitiei et montium humiliorum, ad terram, saxa, et preeprimis ad truncos putrescentes. Loca aperta fugiunt, turbariis et sphagnetis exceptis, ubi inter muscos hygrophilos nidulant. Nullo climate nisi frigidissimo exules, species perpaucee alpine vel arcticee in die cognite, Dist. In zonis temperatis, boreali przecipue, magis frequenter adveniunt Hucephalozie et Cephalozielle ; sub zequatore paucee species, isteeyue proprie, inveniuntur. Proto-Cephalozias, Pteropsi- ellas et Alobiellas solum ex America tropica possidemus. Zoopsis habet tres species, alteram Amazonicam, alteras duas Australasicas et Malayanas. Odontoschismatis paucee species bene cognite cos- mopvlitane fere videntur, nullis terris nisi australioribus deficientes. Subgenus I. PROTU-CEPHALOZIA, Spruce, op. cit. (1882). Caulis nullus, nisi axiculus floris feminei brevissimus, ex ipso prothallio ortus. Bractew toliacee tristiche profunde bilobe. Perianthia trigona, ore in 6 lacinias longas fissa. Andrecia in prothallii ramis nematoideis terminalia, spicata, bracteis minutis monandris. 1. CEPHALOZIA EPHEMEROIDES, Spruce. (Tab. XV.) In sylvis fluvii Negro superioris, locis S. Carlos et Catanacunami, ad terram umbrosam. Filamenta ‘8-1°6™™ longa, eorundem cellule 3,-} longee, 744™™ late ; br. ? 1°75, cellule j,-$; per 2°5; caps 3 x 18™™. Minuta albescens acaulis, facie Ephemeri equinoctialis Spruce. Protonema czespitosum, filamentis confervoideis suberectis fastigiatis subdicho- tome ramosis constans. Cellule filamentorum uniseriatee—rarissime basin versus biseriate—vix duplo longiores quam late, pellucid TRANS, BOT, SOC. EDIN. VOL. XV. 22 390 CEPHALOZIA, [ PROTO-CEPHALOZIA. chlorophyllose. E filamentorum fasciculi basi oritur flos 9 ; alia filamenta apice in amenta ¢ abeunt: florescentia igitur monoica. Bractez floris 2 trijugee tristiche conferte suberecte, intime majuscule bifidee-partiteeve integerrimz, lamina basali ovata, laciniis subulatis apice fere capillaribus ; bracteola bracteis zquilonga, magis profunde fissa ; cellule magne tenues pellucide lineari-hexagone-parallelo- erammeve. Bractez exteriores sensiin minores, conformes. Perianthia bracteas solum dimidio superantia, pellucida, trigono-subulata incurva, ore (tam sterilium quam fertilium) profunde (ad 3-4) sexfida, laciniis tenuibus flexuosis capillaceo-acuminatis. Capsula parvula oblonga. Andreecia bracteis foemineis plus duplo breviora tenuia recurva ; bractez sub 10-jugze minute incurvo-secunde ovate bifidee monandre. Subgenus II. PTEROPSIELLA, Spruce. Pteropsiella Spruce in Journ. Bot. (1876). Plant sat robuste, pro filicula, Metzgerta vel Pallavicinia quadam facile preetervisee. Caulis validns, utrinque prelate alatus, revera frondi- formis, serpentinus, facie infera ramos alios frondosos, alios flagelliformes, alios floriferos proferens, folia autem nulla parte preeter ad florescentias ostendens. Bractee @ folia tristicha profunde bifida sistentes. Pert- anthium prelongum lineari-subulatum trigonum, leptoderme, ore ~ 6-laciniatum. Calyptra parva tenuis. Capsula oblongo-cylindrica ceteraque omnino Cephaloziw. Andrecia amentiformia, postica, raro in ipso caule terminalia; bracteze monandre. 2. CEPHALOZIA FRONDIFORMIS, Spruce. (Tab. XVI.) Pteropsiella frondiformis 8. in Journ. Bot. 1876. Hab. in aggeribus umbrosis, rivulorum ripis, truncis semiputridis, fructibus lignosis decisis, etc.,ad fuvios Negro, Uaupés et Casiquiari, frequens, prope pagum San Carlos preecipue. Cellule frondis 3,-35°™, bractearum '5™™ longe. Bractee intime 13x ‘8; per 38x'7; cal ‘9x'6; caps “75x'3; amenta g 15-20; br g 3 x semana Frondes 1-2-pollicares olivaceo-virides prostrate plane serpentine, ramos paucos posticos frondiformes simplices—raro iterum ramosos— edentes, basi ad solam costam redacte, deinde in laminam tenuem lato-linearem—hic illic constrictam adeoque inzequilatam—apice angustatam, dilatate ; subtus per intervalla radicellas breves fasci- culatas, necnon flagella aphylla radicellis hirta demittentes. Caulis (costave) validus semicylindricus, supra planus 2-3-cellulas latus. Cellule caulis corticales 9-seriatee brevi-cylindrice subcompresse pellucidee, interne 2-3-plo angustiores sub 20-seriatee subopacee. Pagina frondis latitudine inzqualis, plerumque utrinque 4-6- cellulas lata, hic illic ad 12 cell. usque lata, margine crenulato-erosa ; cellule majuscule elongato-4—6-gone, in seriebus angulum 70° cum costa formantibus disposite, pellucide, fere vacua, leptodermes, in ztate subincrassatee, marginales longe minores. . Flores dioici: 2 ramulo perbrevi, facie cost postica oriundo, sursum curvato, constantes. Bractez 3-stiche, 3-4-juge; intime multo sa ti gee _ E. Carter se. i. Minter Bros.nmp PTEROPSIELLA FRONDIFORMIS. PTEROPSIELLA. | CEPHALOZIA. 391 majores liberwe pallid pellucidee elongato-areolate ovate, ultra medium bifid, laciniis tenuiacuminatis denticulatis spinulosisve ; bracteole bracteis conformes, dimidio minores vel fere equimagne. Perianthia bracteas triplo superantia, incurva elongata lineari-subulata triquetro-prismatica, ore constricto 6-fida, laciniis capillaceo-acumi- natis subspinulosis. Calyptra perianthio 4-plo brevior ovalis tenuis. Capsula oblongo-cylindracea, ad basin usque 4-valvis, bistrata ; cellule exteriores tesselatee, columnis parietalibus hic illic fulcite, interiores fibris semiannularibus dissitis notate. Elateres brevius- euli subobtusi dispiri, nonnulli basales ceteris breviores obtusati. Sporze globose, elateribus eequilate, minute tuberculose. Ameuta ¢ postica—raro in frondis ipsius apice terminales—olivaceo- viridia, julacea; bracteze 10-20-juge, conferte assurgenti-secunde rectangulari-cuneatze breviter bifida, segmentis frequenter in cornua brevia porrectis, concavee monandre. Bracteole pro more (nec semper) adjectze sunt: parvee, quadratee bidentate, dentibus cellula 1-2 constantibus.—Plante monoic raro adveniunt. This species is fond of growing on the decaying bark of old or prostrate trees. Luxuriant specimens were gathered on fallen pods of Parivoa excelsa. I found it once intermixed with male plants of C. integrifolia, from which its olive-green catkins at once distinguished it; C. integrifolia having them white, besides a distinctly leafy stem. The radicles originate in tubercles (of one or two cells) placed here and there on the underside of the costa; but even the tubercles are not developed unless radicles be needed for attaching the frond at that point. In the male spikes a few more cells are sometimes added on to these tubercles, which thus become underleaves, or bracteoles. The fronds, whether primary or secondary, often root also at the attenuated point. Subgenus IIT. ZOOPSIS, Hook, fil. (genus). Crypt. bot. Antarct. Voy. p. 55 (1846); Lindberg, Journ. Linn. Soc. (May 1872). R.S. in tract. cit. (1882). Plante minute prostrate cladocarpice, caule angusto frondiformi ad speciem (haud revera) aphyllo, laxe corticato, subradicelloso, paucirameo. Folia preminuta, sublongitudinaliter inserta 1-2-loba, lobis basi cellula singula (raro bina) magna constantibus, apice vel muticis vel cellula tenui unguiformi apiculatis. oliola subnulla. Bractee foliis longe majores tristichee bipartite, laciniis subulatis. Perianthia pro plantula maxima, distincte trigona vel fere teretia, apice constricto profunde laciniato. Capsula ete. omnino Cephalozie. 3. CEPHALOZIA MONODACTYLA, Spruce. In sylvis ad fluvii Negro cataractas, in terra nuda, precipue ad cumulos a vermibus magnis suffossos; necnon in Lepidozia chetophylla parasitans. Rami 1-15™™ longi. Folia 7.™™ longa. Caulis ,™™ latus. Cellule corticales, necnon foliares inferiores Jy, superiores 2,™™. Bractese int. °3-"4; perianthia 1:0 x -2™™, Minutissima virescens, strato tenui effusa. Caules 5-10™™ longi fili- formes flexuosi, parum et substellatim ramosi, trigono-prismatici (supra plani, subtus carinati), cellularum seriebus 5 conflati ; cellule corticales vacue pellucide, antice biseriate magne spherice (pres- 392 CEPHALOZIA. [zoopsis. sione mutua angulate) postice biseriate anguste rectangulari- oblong, axiales uniseriatee tenuissime chlorophyllose subopace, Rami omnes caulis facie postica orti, alii flagellares radicellosi subaphylh. Folia cellulis caulis binis dissita, distiche patentia, insertione exacte longitudinalia, cellulis solum 2, suprapositis (rarissime 1 vel 3) con- stantia; cellule pellucide parce chlorophyllose, inferior magna truncato-conica, superior 4plo minor incurva unguiformis, basi constricta. Flores monoici: @ postici (ramulo brevissimo constantes). Bractez 1-2-jugee 3-stichee, perianthio subtriplo breviores, liberee connatzve, profunde bipartite, sinu ebtuso, laciniis subulatis elongato-cellulosis. Perianthia pro plantula maxima, foliis caulinis 16plo majora (!) trigono- subulata, ore profunde 6-fida, laciniis ciliiformibus. Calyptra parva tenuis. Capsula oblonga. Rami ¢ ceteris ramis equilongi, assurgentes: bractez plurijugee secunde confertee suberectee subulate, cellulis 5-6 constantes, integra bifideve, monandre. Bracteolas nullas vidi. Obs. The leaves never want the terminal minute hooked cell, which is very mostly imposed on a truncato-conical cell of four times the size, these two cells constituting the entire leaf. But sometimes there are two (in lieu of only one) basal cells, and then the leaf becomes subulate. This brings it into relation with ©. micromera, whose leaves (consisting of about ten cells) sometimes lose one of the two apical teeth, and thus from bifid they become entire and subulate; but in other respects, and especially in the inflorescence and the structure of the stem, they stand widely apart. The long filiform leaves, or leaf-crura, of Arachniopsis forbid the placing of CO. monodactyla in that genus, although it obviously approaches it. Subgenus IV. ALOBIELLA, Spruce, op. cit. (1882). Plante mediocres albicantes, facie (nisi pro foliis succubis) magis Kantie quam Cephalozie. Caulis postice ramosus, ramique foliosi—raro flagellares. Folia fere longitudinalia, distiche patula, plana, integra— vel alia integra, alia apice bidentella—laxe pellucide reticulata ; cellule majusculee magnzeve, subrectangulares, duplo longiores quam late. Foliola aliis speciebus przesentia, parvula, integra et bifida. Flores 9 cladogeni ; in unica specie acrogeni. Bractew profunde bifide ; in unica C. acroseypha solum breviter 2-4-fidee. Perianthia elongata, ab ipsa basi trigona, ore breviuscule fissa. Andrecia vel spicata vel ad amenta postica redacta. § 1. Foliola nulla. 4, O. integrifolia. Dioica cladocarpa albicans nitens prostrata flagellifera. Folia fere longitudinalia subcontigua oblonga rotundatasubtruncatave, rarissime apice bidentella, cellulis magnis oblongis. Br. bipartite, laciniis subulato-attenuatis. Per. alte emersa _lineari-subulata trigona, ore breviter trifida, segmentis apice 2—3-ciliatis. 5. O. macella. Monoica, facie C. bicuspidate formis macrioribus valde similis, distincta foliis planis ovato-triangularibus-trapezoideisve, apice rotundatis, retusis, oblique acutis (i.e. unidentatis) vel deni ue truncato-bidentatis, cellulis elongatis; bracteis bifidis, segmentis longe subulatis; per. ore breviuscule trifidis, segmentis 2-3-ciliatis. ALOBIELLA. | CEPHALOZIA. 393 § 2. Foliola foliis adjecta. 6. C. acroscypha. Dioica acrocarpa pusilla tenerrima prostrata flagellifera. Folia subimbricata subplana ovato-oblonga-lanceolatave obtusata— raro retusa vel apice 2-3-crenata—cellulis majusculis elongatis. Foliola parva—superiora increscentia—subulata integra bifidave. Br. emarginato-2-4-fide. Per. obtuse trigona, ore breviter 3-6-fida edentula. 7. Husnoti. Dioica cladocarpa, a basi procumbente flagellifera erecta ; ramis fastigiatis, apice in sicco seepe hamatis. F. contigua patula plana lanceolata subacuta—rarissime bidentula, cellulis majusculis _elongatis. F'* duplo breviora, linearia, ultra $ bifida. Br. carinate, ad 4 bifida, subdenticulate. Per, triquetro-prismatica, ore setulosa. 4, CEPHALOZIA INTEGRIFOLIA, Spruce. Hab. In sylvis umbrosis fluvii Negro, supra cataractas, et fluvii Uaupés ubi in truncis prostratis putrescentibus, rarius ad aggeres umbrosos inter muscos, viget; etiam in Andibus Peruvianis super M. Cam- pana, alt. 1000™. F °4x°3 (in pl. sterilt ‘8x°5); cellule J—y5; br 16x'6; per 25x °4, a0 xo, Majuscula albido-viridis, margaritaceo-nitens, strato tenui late effusa. Caules 1}-pollicares prostrati tenues subramosi, supra subplani, subtus convexi, strato corticali pellucido induti; cellule corticales 9-10-seriatee compresso-cylindrice, internze 10-12-seriatz triplo angustiores, sectione zquilateree. Rami omnes postici, alii flagelli- formes subaphylli radicelliferi. Folia vel dissita, vel subimbricata, vel seepissime valvatim contigua, longitudinaliter, vel (basi antica longius decurrentia) parum oblique inserta, oblonga rhomboideave, apice rotundata vel suboblique trun- cata, rarissime rudimentarie bidentata; inferiora superioraque seepe sensim minora (unde rami elongato-lanceolati fiunt); cellulee magnze oblongo-hexagonz leptodermes pellucidie. Flores dioici: @ postici, ramo brevi constantes. Bracteze 3-4-juge, intime variabiles, foliis 2-4plo longiores, lanceolate, ad 4 bipartite, basin versus angulatee, laciniis a basi late subulatd longe sensimque attenuatis. Perianthia bracteas alte superantia, lineari-subulata-lanceolatave, trigona, ore breviuscule trifida, segmentis bi-trifidis, laciniis ciliiformibus ineequalibus. Capsula oblongo-cylindracea, duplo longior quam lata. Amenta ¢ ramulo parvo constantia, albida, raro rami foliosi basin apicemve tenentia; bractee plurijugze conferte assurgenti-secunde parvee subquadratee emarginate, utroque apice cellula unica magna seepe apiculate, monandree. Obs. Plante foliis ex parte in frondem pinnatifidam plus minus alte connatis rarissime adveniunt.—Folium incubum inter normalia succuba interpositum aliquando invenitur. Ceterum, nostra plantula, quoad aspectum, Calypogeiam (Kantiam) potius quam Cephaloziam refert. 5. CEPHALOZIA MACELLA, Spruce. Hab. In sylva Amazonica, prope Santarem, ad fl. Tapajoz ostia, super ligna putrescentia in palude; etiam ad San Carlos del Rio Negro. 394 CEPHALOZIA. [ ALOBIELLA. F 30x20, 25x15; ¢ jh-jy; br 10x35; per 23x35; andrecia VS eG aes Magnitudine C. bicuspidate, viridis, albicansve, tenuis, tenerrima, pro- strata laxe intricata. Caules pollicares flexuosi ramosi radicellosi, raro flagelliferi, inferne, vel hic illic, subaphylli. Folia subcontigua explanata oblique ovato-triangularia-trapezoideave, apice vel oblique acuta (i.e. unidentata), vel rotundata, vel retusa, vel denique truncato-bidentata; cellule majuscule leptodermes elongate, rectangulari-hexagonz, subchlorophyllosz. Flores monoici: @ postici, ramo brevi triquetro constantes. Bractez 3-jugz, foliis 3-4plo longiores, intimz ultra medium acute bilobe, segmentis longe subulatis acutis integerrimis. Perianthia prxlonga, foliis caulinis 8plo longiora, angusta fere linearia, ab ipsa basi trigono-prismatica, ore breviuscule trifida, segmentis in cilia 2 vel 3 fissis. Andrecia ramum totum vel ex parte tenentia; bractez foliis subzequi- long vel sat minores, plurijugz, conferte, assurgenti-seeunde, ad $ fere bifide, sinu acuto obtusove, segmentis subulatis erectis. 6. CEPHALOZIA ACROSCYPHA, Spruce. Hab. Andes Peruvianos, in declivibus arenosis umbrosis montis Guay- rapurina, socia Cephalozia Husnoti (G.). F -35x'18; ¢ J; f@ 2x‘08; br ‘8x'55; per 1:°2x°4; cal “35; caps Bie Wing Siecle Pusilla pallida tenerrima; caules }-pollicares prostrati, hic radicellis fasciculatis, illic flagellis albidis, matrici adfixi, divaricato-subramosi, ramis posticis. Folia subimbricata late patula subplana, pellucida, ovato-oblonga-lance- olatave obtusata, raro retusula apiceve 2—3-crenata ; cellule majus- cule elongate subrectangulares, limitibus validis non autem incras- satis, intus annulo endochromii perangusto cinctz, subplane. Foliola foliis fere duplo breviora subulata lineariave 4-5 c. longa, 1-3 ¢. lata, interdum bifida, haud raro amorpha obsoletave; superiora - tamen increscentia sic uti in floris ? vicinia foliis solum paulo minora evadunt. Fl. dioici: @ in caule ramove elongato terminales, innovatione nulla suffulti; bracteze sub 3-jugz, exteriores in folia caulina normalia sensim transeuntes, intime foliis 2plo longiores quadrato-oblonge apice inequaliter emarginato-bifide-quadrifideve; bracteola zqui- magna conformis magis symmetrica, cum bracteis subconnata liberave. Pistillidia 20, Perianthia, alte emersa, foliis 3-4plo longiora, 3plo longiora quam lata, lineari-oblonga obtuse obscureque trigona, ore vix subconstricto, 3-4 fida, segmentis brevibus inzquilongis obtusulis. Calyptra 4plo fere minor pyriformis tenerrima, sepe basi circumscissa et cum capsula in pedicello longo alte exserta. Capsula calyptra vix brevior, oblonga vel oblongo-globosa, vix longior quam lata, ad basin usque 4-valvis. Amenta pl. ¢ caulis ramive apicem tenentia; bractee plurijuge, foliis paulo minores, magis erectz, a basi ad medium lobulo antico angusto lineari inflexo aucte, l-andre. Bracteole adsunt. Obs. Perianthium superne trigonum, angulo tertio postico nec antico ac in Jungermania; basi et perpaulo altius 3-2 cell. crassum, superne tenue. ALOBIELLA. | CEPHALOZIA, 395 7. CepHatozia Husnort (Gottsche). Jungermania Husnoti G. in Husnot. Hep. Antillarum Exsicc. (1868). J. lancifolia nob. in hb. (1855). Hab. In M. Guayrapurina Andium Peruvie ad vias cavas, alt. 1000™ (R. S. Julio, 1855). Ins. Martiniea (Husnot. pl. ¢). F 8x3 (18 cellulas longa, 14 lata); ¢ Py—zy longe, qo late; fi 4x‘, 35 x1; per 1-0 x ‘5™™ (juvenilia). Late czspitosa flavo-viridis pellucida. Caules 43-pollicares, basi ipsa aphylla radicantes, dein decumbentes foliosi radicellosique, demum ascendentes suberective arhizi, flagella tamen valida e parte inferiore demittentes, vage subfastigiatim, raro subpinnatim v. flabellatim ramosi, ramique siccando seepe apice incurvo-circinati, omnes (quoad insertionem) postici. Caulis parum compressus, fere teres; stratum corticale e cellulis 8-seriatis magnis pellucidis; cellule interne sub 8-seriate angustiores, in caulis sectione annulos indistinctos efformantes. Folia plurijuga, paulo imbricata vel solummodo contigua, subassurgentia (siccando seepe inflexo-secunda), patula (axi angulum sub 70° cum caule efformante) oblique inserta, succuba, suboblique lanceolata subacuta, integra integerrimaque, repanda, rarissime apice biden- tula; cellule majusculee, duplo longiores quam latee, fere parallelo- gramme, planz, subleptodermes, parum chlorophyllose. Foliola foliis duplo breviora, linearia, caule angustiora, appressa, integra v. sepissime ultra medium bifida, laciniis erectis subulatis inzequi- longis. ; Flores dioici: @ ramulo brevi postico constantes. Bractez sub 5-juge, extime minutz squamiformes, intimze foliis sublongiores, libere v. seepius inter se alte connate, ad + bifida, laxe complicate carinate, laciniis lanceolatis acutis recurvulis, medio margine utrinque angu- latze v. grosse subdenticulate; bracteola bracteis subzequalis minus complicata. Br. extern sensim minores, ovate, integrz, bifiduleve, arcte imbricate. Perianthia (valde juvenilia) triquetro-prismatica ore truncato subsetulosa. Pistillidia plurima (20+). Species maxime singularis, perbella, facie fere Schistostege ! Subgenus V. HU-CEPHALOZIA, Spruce, op. cit, (1882). Plante mediocres, raro pusillze vel robusta, virescentes, rarius fulvze lurideve, interdum roseo picte, Caulis plerumque mollis et fragilis, rarius rigidulus, in planum simplex vel rarissime furcatus, postice plus minus ramosus, in paucis flagellifer. Folia oblique inserta, seepe sat magna et lata, concava vel laxe complicata, margine integerrima, apice bifida; cellule pro m. majuscule, pellucide, quadrato-hexagone quadra- teeve, subleevissime. oliola (paucis sp. normalia) parva, integra bifidave. Flores dioici vel monoici, 9 in aliis speciebus constanter cladogeni, in aliis nunc clado-nune acrogeni; vel omnes fere acrogeni nec raro in ipso caule terminales. Bractew intime sat magne, 2—4-fidee, integerrime vel perseepe dentate, spinulosee inciseeve. Perianthia fusiformia—interdum fere linearia—trigono-prismatica, ore constricto denticulata, setulosa, ciliata vel laciniata. Capsula plus minus oblonga, ceteraque ac in 396 CEPHALOZIA.: [ BU-CEPHALOZIA. prioribus subgeneribus. Andrecia spicata vel amentiformia, varie posita ; rarissime tamen hypogyna, bracteis ¢ scil. florem femineum proxime sequentibus. § Foliola caulina presentia, 8. C.micromera. Dioica cladocarpa minuta prostrata flagellifera. Caulis plano-convexus, cellulis corticis 6-seriatis, internis 4-seriatis, con- flatus, subramosus. F. subimbricata cuneato-quadrata ad 4 acute bifida vel integra; segmentis subacuminatis, antico minore (sepe deficiente). Fad tuberculum cellulé unica, vel 2 collateralibus, constantem redacta. Br. bipartite, laciniis lanceolato-subulatis, altera interdum obsoleta. Per. magna ovato-subulata obtuse trigona, ore in lacinias tenui-subulatas profunde fissa. 9. C. Serra. Dioica cladocarpa eflagellifera. Caulis plano-convexus, cellulis corticalibus 6-seriatis, internis 5-seriatis, conflatus, sub- ramosus. F. contigua plana ovato-quadrata breviter bifida, sinu acuto lunatove, apicibus rectis acutis. F'* foliis 3plo breviora oblato-quadrata emarginato-truncata. Br. ultra } bifidee, laciniis lato- subulatis. Per. magna subulata superne obtuse tricarinata, ore 6-fida, laciniis capillaceo-acuminatis. § 2. Foliola (preter ad florescentias) normaliter nulla. 10. C. Crossvi. Monoica, formis C. bicuspidate tenellis primo visu sat similis, diversa autem flagellorum defectu; foliis angustioribus ultra $ bifidis, laciniis lanceolatis tenuiacuminatis; presertim perianthio ore ciliis 7-8 cellulas longis insigniter fimbriato. 1l. @. forficata. Dioica, C. conniventi Dicks. proxima, distincta foliorum sinu orbiculari, segmentis falcato-incurvis apice tenui forficatis ; bracteis solum bilobis, liberis; perianthio cylindrico tereti, apice solo obsolete 3-vel 6-plicato, ore longiciliato; denique florescentia. 8. CEPHALOZIA MICROMERA, Spruce. Hab. San Carlos del Rio Negro, in terra umbrosa humida. Rami 1-2™™ longi; f 15x°'1; ¢ gs; br 5-7; per 18x°4; caps 35x paltey CS Minuta prostrata viridis; caules 3-4™™ longi, intricato-ramosi, interdum subpinnati, radicellosi, parum flageliiferi, seepe autem apice elongati vermiculares dissitifolii vel fere nudi; supra plani vel concavi, subtus convexi; cellulis corticis 6-seriatis majusculis pellucidis, axis 4-seriatis parvis subopacis. Folia subimbricata contiguave, basi obliqua (angulo sub 45°) inserta, subpatentia, cuneato-quadrata, ad medium acute bifida, segmentis subacuminatis acutis, antico minore, seepe minuto, vel omnino nullo (quando folium triangulare acuminatum evadit); cellulz subglobose vel parum elongate, mediocres, cujusque folii circiter decem. Foliola ad tuberculum rhizinophorum, cellulé unica (raro 2) constans, redacta. Flores dioici: 9 ramulo brevissimo constantes. Bractee trijuge tris- tichee, intimee foliis 4plo longiores erecto-appressee bipartite, segmentis lanceolato-subulatis integerrimis; una alterave bractea (postica preecipue) seepe integra, nec bifida. Perianthia alte emersa tenera ovato-subulata obtuse trigona incurva, EU-CEPHALOZIA. | CEPHALOZIA. 397 ore parum constricto 6-laciniata, laciniis subulato-attenuatis. Capsula 5plo brevior, anguste ovalis. Amenta ¢ ramum totum tenentia; bractee plurijugie, foliis aqui- magne, magis conferte, erectiores, segmentis longioribus ; bracteolz rudimentarie. C. monodactyla S., foliis minutissimis, ad cellulas 2 (raro 3) redactis ; eaule cellulis solum 5- (nec 10-)seriatis conflato ; denique florescentia monoica differt.—C. pygmea S., florescentia monoica ; foliis distantibus, semper profunde bifidis, segmentis subulatis; cellulis duplo vel fere triplo minoribus ; bracteis denticulatis spinulosisve bene distincta. 9. CeEPHALOZIA SERRA, Spruce. Hab. Panuré fluvii Uaupés, supra ligna in humidis ; etiam ad fl. Negro cataractas in “ caatingas.” F3x°'3; f@ 1 x 125; ¢ dh Or. mt. 15 x 1535 per 3-0 x ‘5mm, Cespites lati implexi, e viridi olivacei. Caules prostrati semipollicares vage ramosi, ramique semicylindrici, supra plani 2 cellulas lati. Stratum corticale caulis e cellulis 6-seriatis majusculis pellucidis formatum, seriebus nempe 2 anticis, 4 posticis; cellule intern minores, in series 5 longitudinales dispositee. Folia longitudinaliter inserta, plana, exacte contigua v. perpaulo imbricata (itaque frondem continuam margine serratam simulant), ovato- quadrata, 7 cellulas longa, 8 cellulas lata, breviter bifida, sinu acuto lunulatove, apicibus_rectis acutis ; cellule subzequilaterz, 6-gonze v. subquadratee. Foliola parva subsquarrosa, foliis 3plo breviora, oblato-quadrata emar- ginato-truncata, seepe ad limbum vix conspicuum redacta vel etiam obsoleta. Flores dioici: rami ? breves basi dense radicellosi. Bracteze sub 3-jugee, intime (2 laterales) foliis 5plo majores, appressee, cuneate, ultra medium bifide, laciniis lato-subulatis, integerrimz vel utrinque medio margine angulate, elongate cellulose ; intermedia (bracteola) paulo brevior ; br, 3 extimee minute emarginat ; 3 mediz magni- tudine formaque intermediz. Perianthia bracteis duplo longiora, subulata v. fere linearia, spe hamata, superne obtuse triplicata, ore 6-fida, laciniis capillaceo- acuminatis. Capsula oblonga, vix duplo longior quam lata. Plante g amenta ramos fere totos occupantia; bractez plurijuge, foliis concolores, vix minores, subtransversee, conferte, secundee, monandre, subquadrate, sinu triangulari fere ad medium bifide, concave, nonulle lobulo antico dentiformi aucte, monandre vy. sepissime vacue. Adveniunt etiam (sed rarius) amenta postica parva albida, bracteis paucijugis teneris monandris. 10. CEPHALOZIA Crossit, Spruce. Hab. Andes Bogotenses, in rivuli arena juxta Popayan. Legit Ros. Cross, a. 1877. Ejusdem Cephalozie, ut videtur, caules perpaucos Se cum Jungermania heteracria S. mixtos, prope Tarapoto, a. 1856, egi. Formis C. bicuspidate L. minoribus sat similis differt stolonibus nun- quam aphyllis et radicantibus; foliis angustioribus ultra } bifidis, segmentis lanceolatis sensim tenui-acuminatis—vel antico angustiore 398 CEPHALOZIA. [nU-cEPHALOZIA. subulato, cellulis paulo angustioribus, 3;—35™™ longis ; bracteis semper solum bifidis fere integerrimis; perianthiis lineari-oblongis obtuse trigono- prismaticis, ore truncato hiante vel subconnivente longiciliatis, ciliis ad 7-8 cellulas longis ; capsula breviore, oblonga vix subcylindrica. Ceespites densi intricati olivaceo-virides. Rami fertiles interdum elon- gati. Flores monoici: androecia medio caule ramove posita, foliis caulinis consecutiva, iis C. bicuspidate conformia. 11. CEPHALOZIA FORFICATA, Spruce. Hab. In Andibus Peruvianis, alt. 1000-1300™, in ipsa terra supra M. Campana, in lignis putridis M. Guayrapurina. F''55 x °5 (basi) x “4 (ad sinum); ¢ go-53 Or 8 x 63 per 20-25 x °65, cilia 5™™. Pusilla pallide viridis prostrata, post siccationem difficillime emollitura. Caules pollicares flexuosi vage subramosi radicellosi eflagellares, compressi biconvexi, sectione ovali; cellule 3-strate, extime (corticales) sub 8-seriatee, interiores duplo angustiores, strati sub- corticalis 8-vel 7-seriatee, axiales circiter 5-seriatz. Folia basi lata fere longitudinali inserta, antice decurrentia, contigua vel leniter imbricatula, patula plana, suboblique oblongo-rhombeove- rotunda, apice ad 4 altitudinis usque emarginato-bidentata, sinu lunari vel seepius orbiculari, dentibus faleato-conniventibus, apice tenui peracuto conniventi-contiguis vel etiam forficato-imbricatis ; cellule majuscule subzequilaterze crassiuscule leptodermes, fere vacue, marginales (anticee precipue) ceteris submajores, apicales minutz conice. Flores dioici: @ in ramo perbrevi terminales. Bractez trijugee tri- stichee, intimze multo majores, folia caulina dimidio excedentes, sub- + appressz, liber, oblong, ultra medium bilobe, segmentis sensim acuminatis, laterales hinc, media (bracteola) utrinque medio margine dente obtuso auctze. Perianthia alte emersa, bracteas triplo superantia, cylindrico-tubulosa, - apice solo obsolete 3-vel 6-plicata, ore abrupte constricto longiciliata ; ciliis longitudine foliorum caulinorum, cellulis 3 vel 4 uniseriatis linearibus, constantibus. Andrecia rami medium apicemve tenentia; bractez foliis subminores plurijuge erecto-appresse concavo-canaliculate ad medium bifida, segmentis subacuminatis, monandre. Adveniunt plerumque bracteole parvee, lineares amorpheeve, cellulis sub 6 biseriatis con- stantes. Jung. Sandvicensis Mont. (=J. crassifolia L. et G.) differt a C. forficata rigiditate, foliis ad 4 usque bilobis, lobis tenui-acuminatis pungentibus fere constanter strictis (nec conniventibus) ; perianthiis brevioribus tota fere longitudine obtuse trigonis, ore 12-ciliatis. “ Jungermania connivens Dicks.” (in Hookeri icone: Brit. Jung. tab. 15) cum nostra convenit perianthio longiciliato et foliorum sinu late lunulari; insigniter discrepat autem florescentia monoica; bracteis connatis et digitatim 3-5-fidis, et perianthiis anguste obovatis ; necnon foliorum segmentis (dentibusve} latioribus apice conniventibus nunquam tamen contiguis nec forficatis. Jungermania multiflora Spruce. (=“J. connivens Dicks.” auctorum omnium fere recentiorum) folia habet minora, magis orbiculata, sinu CEPHALOZIELLA. | CEPHALOZIA. 399 obtuso raro lunulari, segmentis conniventibus suberectisve, latioribus (antico basi 2-3-cell., postico 3—5-cell. lato), cellulis paulo minoribus ; bracteas foliis 3-4-plo majores seepe in excipulum alte connatas ; perianthia lineari-oblonga, ore solumdenticulata setulosave, setulis 1 vel 2 cellulas parvas constantibus. Subgenus VI. CEPHALOZIELLA, Spruce, in op. cit. Plante pusille minuteve, sepe supra muscos, vel alias hepaticas reptantes. Oaulis pro plantula sepissime validus, cellulis corticalibus internis homomorphis, basi in plerisque subrhizomatosus, flagellis autem orbatus; rami foliost in omnibus fere postici, in perpaucis ex parte—in paucissimis normaliter—laterales. Folia inferiora succuba, superiora magis conferta et transversa, caulis latitudinem raro excedentia, perseepe cuneata, ad vel ultra } bifida, carinata, segmentis vel subcomplicatis vel divergentibus, integerrima subdenticulatave, raro spinulosa; cellule parvee vel minute (diam. A,—75™™) subquadrate. oliola (ubi adsunt) parva, integra bifidave, seepe in una et eadem specie nune preesentia nune obsoleta. Flores 9 perseepe in ipso caule terminales, in aliis sp. cladogeni vel situ variabili. Bractew sat magne, tristichee, bilobze, lobis in plerisque denticulatis spinulosisve, laterales perseepe cum postica in cyathum alte connate. Perianthia plerumque angusta, acute prismatica, carinis raro solum 3, seepius 3, 4, vel 5 (raro etiam 6) in eadem specie, ore denticulato raro mutico. Capsula oblongo-globosa. Andracia ipsius caulis, ramive majoris, partem sistentia, medialia apicaliave, bracteis foliis consecutivis haud minoribus, rarissime ad ramulum tenuem amentiformen redacta. 12. CEPHALOZIA PYGMMA, Spruce. Hab. Andes Peruvianos in M. Campana, ad terram umbrosam, alt. 1200™, F -1—125™™ longa, bast 4 cell. lata; ¢ ay—-do; br 3; per *8 x :2™™, Minuta fuscidula prostrata; caules 4"™ longi, vage subramosi, tenues opaci flexuosi parum racdicellosi, flagellis nullis. Folia distantia, a basi plus minus obliqua v. fere transversa, subsquar- rose patula, plana, cuneata, profunde bifida, sinu acuto (30°—40°), eruribus subulatis subacutis basi 2 cell., apice 1 cell., latis, integer- rima; cellule minute subparallelogramme subchlorophyllosz, lepto- dermes. Foliola nulla, nisi ad involuera. Flores monoici: ? ramulo brevi tristiche folioso constantes, seepe e rami ¢ facie postica orti, haud raro fasciculato-2-3ni; bracteze 3-juge liberze v. seepius alte coalite, intime foliis fere 3plo longiores, ad dimidium solum bifide, laciniis acuminatis recurvis, subdenticulat. Perianthia alte emersa, magna, lineari-trigona, 4plo longiora quam lata, ore subconstricto setoso-denticulata demum breviter 6-fida. Amenta ¢ caulis ramive apicem mediumve tenentia; bracteze foliis con- tinue, iisdem similes, paulo breviores latioresque, plurijugee, assur- genti-imbricate suberecte conduplicato-concave, monandree; brac- teolis minutis subulatis adjectis. Raro advenit amentum ¢ ad ramulum parvum redactum, Var. spinuliflora 8. Folia sublatiora, lobo antico basi seepe 4 cellulas, postico 3 cell., lato, integerrima vel dente uno alterove obtuso armata. Bracteze ad 4 usque connate, spinuloso-serrate, viridissime.—In sylva Amazonica, ad fl. Uaupés, in Lejewnea porelloide parasitan’, 400 CEPHALOZIA. [ opoNTOSCHISMA. Obs. A C. divaricata certe distat minutie, florescentia monoica, foliorum segmentis perangustis, etc. Subgenus VII. ODONTOSCHISMA, Dumort. (genus). Recueil, (1835); Lindberg, Not. F. et F. Fennica (1874) ; Spruce, Journ. Bot. (1876) et Tract. de Cephalozia (1882). Plante sat robust, virides luridesve, interdum rosez, raro albide, in plagas latas unistratas arcte intricatas effusce, vel super muscos palustres reptantes iisdemque perseepe in cespitem densum implexe. Caules validi subteretes, vel prostrati vel per saltus arcuantes et a matrice liberi, ad nodos descendentes ope flagellorum radicantes; ramis foliosis posticis, cauli couformibus. Cellule in caulis diametro sub 8, corticales 20-22- seriatee internis conformes et concolores. Folia basi diagonali vel fere longitudinali inserta, late ovata vel suborbiculata rotundata, retusa, vel rarius emarginata, pro m. concava et integerrima; cellule mediocres— minutule, equilaterze, cuticula plerumque scaberula. oliola vel nulla vel minuta et rara. Flores 2 cladogeni; bractee tristiche, bifid, raro 3-4-fide. Perianthia magna angusta, ore ciliata denticulatave, interdum clausa et rima lateralidehiscentia. Capsula cylindrico-oblonga ceteraque omnia Hucephalozie. Andrecia amentis parvis albidis posticis constantia, rarissime robustiora et terminalia. § 1. Flores dioict. 13. C. Sphagni. Dioica, caule elongato subzquifoliato, ope flagellorum arcuato-radicante, ramis gemmiparis nullis. F. patula vel secunda, ovato-rotunda-oblongave, rotundata retusulave subconcava opacula, cellulis mediocribus. F' nulla vel perrara, minuta ovata integra bifidave. 14. C. denudata. Priori proxima, subminor. Caulis basi subaphyllus, rhizomatosus, flagella villosissima demittens, deinde subramosus, ramique alii arcuati, utroque fine parvifolii, alii erecti superne sensim minutifolii et gemmipari. F. late ovata subpellucida. F'* ubique obvia, ad ramos gemmiparos superne increscentia, late ovalia integer- rima v. subdenticulata. § 2. Flores monoict. 15. C. obcordata. Humilis cladocarpa eflagellifera, caule elongato pro- strato subramoso. F. parva, fere longitudinalia, subcontigua plani- uscula obcordato-rotunda, cellulis minutulis. Andreecia postica amentiforma, subramosa, axi primaria sola mascula, aliis ramulis femineis, aliis neutris. 13. CEPHALOZIA SPHAGNI (Dicks.), Spruce. Jungermania Sphagni Dicks. Crypt. Brit. (1785); Hook. Brit. Jung. t. 33, ex p.—Sphagnoecetis communis v. vegetior Nees in Syn. Hep.— Odontoschisma Sphagni (Dicks.) Dum.; Lindberg Not. Soc. F. Fl. Fenn. (1874); Spruce, Journ. Bot. (1876). Hab. In ericetis turbariis totius Europze Americzeque borealis temperate, Sphagnis et preecipue Lencobryo glauco irrepens. In sylvis um- brosis humilioribus fl. Amazonum, precipue secus ejus tributarios < 4 al i q at eo) AG Ss a Oo