o| 1 r-=1 0~ LO m i-=i i D D H ICONES PLANTARUM FORMOSANARUM NEC NON ET CONTRIBUTIONES AD FLORAM FORMOSANAM VI AUOTOIIE Bunzo Hayata 1 1 TO HIS EXCELLENCY BARON TEIBI ANDO, GOVERNOR GENERAL OF FORMOSA. SIR, I have the honour to submit to your Excellency the sixth volume of the Icones Plantarum Formosanarnm, nee non et Con tributiones ad Floram Formosanam by BUNZO HAYATA, D. Sc. HIROSHI SHIMOMURA, ClVIL GOVEKNOE OF FORMOSA. September 1, 1916, Taihoku. • Jj* * 'V • •• *.*r~;- . < pa /r0. <. i^». < L I 0 R A R . INTRODUCTION. As was announced in the introduction of third volume of this work, the present volume is principally devoted to the fourth part of those studies which have for the most part been upon new material, collected since 1912. The volume contains studies on 212 species and 6 varieties ranging from the Berberidese down to the Polypodiacese. All the species of phanero- gamous plants are here arranged, as in the preceding volumes, after the system of BEXTHAM and HOOKER ; while those of vascular cryptogams are arranged after the system of EXGLER and PRANTL. Of the species and varieties mentioned in this work, 126 are proposed as new species and 6 are regarded as new varieties of known species, while 86 are identified with species which were already known as from Formosa or from other countries. One genus, Parasitipomaea, is proposed as a new, while 9 genera are men- tioned as new to the flora of the island. The latter genera are as follows : Nuphar Gardneria Myrmecliis Picmsma Acanthepliippium Gymnadenia Gerbera Vrydagzynia Woodsia Species,* genera* and families* now to be added to the flora of Formosa number as many as 121 species and 10 genera. Thus, up to the present date, the total number of species of the flora, so far as known, is 3446 specie^ belonging to 954 genera and 160 families. Finally, I avail myself of this opportunity to tender my hearty thanks to the officials of the Government of Formosa, to whom I am much indebted for help in the collection of material and in the publication of this work. B. HAYATA. December 1916, Taihoku and Tokvo. * Jt should be imderstood that plants outside of the island are not counted in this number, although they are mentioned in this volume. CONTENTS. Introduction I. Contributions to the Flora of Formosa IV 1-163. Index 164-168. Plates . I-XX. BERBERIDEJE. Contributions to the Flora of Formosa. IV. Berberidese. Mahonia NUTT. Mahonia oiwakensis HAY ATA sp. nov. Arborescens eiiv. 10 in. alta. Kami recti terctcs apioem versus 1 cm. in diametro sectionis, cortice ciiierco suberiformi, cicatricibus foliornni elevatis linearibus transverse clispositis. Folia versus apicem ramulorum approxinmtissime disposita radiatim divaricata pinnata in anibitu obovato-oblanceolata vel oblanceolata 25-40 cm. longa 10- 20 cm. lata subsessilia supra inedio latissima inferioro in anibitu gradatim usque ad basin attenuata, pinnis 12-14-jugis oppositis vel superiore subalternis, jugis inferioribus quain iis superioribus remotioribus, pinnis infimis ovatis l£- 2^- cm. longis 7-15 mm. latis niargine 1-2-aristato-dentatis, pinnis superioribus gradatim majoribus angustioribus longioribus ; pinnis longissimis lanceolatis 8—10 cm. longis 14-20 mm. latis apice acuminatissimis basi cordato-rotundatis plus minus obliquis sessilibus margine tenuiter leviterque 1—3 dentibus instructis, dentibus interdum ad aristam ^ mm. longam reductis, aristis ascendentibus, coriaceis supra nitidis subtus pallidis, costa supra tenuiter impressa subtus elevata, iiervis lateralibus supra baud distinctis vel vix elevatis subtus tenuiter elevatis, 5-nerviis utrorpiie glabris ; nodis jugarum leviter tumidis articulatis, rliachibus supra subtusque planis latere profunde sulcatis; jugis inferioribus a se 2^ -4 cm. remotis ; rbachibus ad basin subito valde dilatatis 8-10 mm. latis; pinna terminalis qnam pinnis lateralibus longior longissima linearis vel lineari- lanceolata integra vel dentibus 1-2 instructa. Racerni. floriferi 11011 visi ; fructiferi ad apicem rainorum dense congest! erecti recti 9 cm. longi, bracteis obloiigo-triangularibus 3^- mm. longis 2 mm. latis apice acutis basi leviter ventricosis pateiitissimis, pedicellis brevissimis 2 mm. longis. Bacca pnrpureo- nigricans glaucescens conico-ovoidea 9 mm. longa 6 mm. lata apice oblique acuta breve attenuata reliquis stigmatis apiculata 2-sperma. Semina ellipsoidea 4J mm. longa 2^- mm. latn utrinque obtusa, testa nigricanti. 2 NYMPl&EACEJE. HAP>. Musha Oiwake, log. B. HAYATA, Mai. 1910 ; Gokwaii/an, leg. U. MORI, Feb. 1910. Near M. lomariifolia TAK., but differs from it in the much narrower leaflets which are less spinons at the margin and have the less elevated veinlets. Nymphaeaeese. Nuphar SM. Nuphar Shimadai HAYATA sp. nov. (PI. I.) Herba aquatica ; rhizoma crassum repens subteres 1 cm. in diametro se^tioiiis sursum radiciferuni, radici- bus toretibus incrassatis 3mm. in diametro sectionis. Folia circnm rhizoma spiraliter disposita longe petiolata, lamina in ambitn oblonga vel ovata (ab apicem lamina? usque ad apiceni auricula*) 8-10 cm. longa 7-8 cm. lata apice per- fecte rotundata basi sagittato-cordata (lobis cordis subtriangularibus 3-4 cm. longis apice obtusissimis) margine snbintegra supra in exsiccato minute muricato- scabriuscula glabra subtus versus medium pauee versus marginem densissime hirsuta, costis supra Jiaud visis subtus leviter elevatis, venis latcralibus radiatim divaricatis supra Jmud subtus distincte visis tcuuissimis, subcoriacea, petiolis 15-30 cm. longis basi dilatatis. Sjapus 25-40 cm. longus teres 3-3^ mm. in diametro sectionis erectus. Flores flavi solitarii terminales. Sepala 5 obovata vel spathulato-obovata plus minus inaequalia Imajora 2 cm. longa 13 mm. lata apice late rotundata vel cmarginata basi angustata ad inscrtionem 3 mm. lata vel latiora, exteriora minora plus crassa interiora majora tenuis^ime niembranacea. Petala cc breviora staminodiiformia 6 mm. longa 2|-3 mm. lata dorso complaiiata obovato-C|uadrangulariformia apice truucata vel eniarginata. Stamina oo cum antheris 1 cm. longa, nlameiitis dorso complaiiatis 8 mm. longis 1 mm. latis glabris, antheris cpiadrangulari-formibus 2|- mm. longis 1|- mm. latis apice truncatis, loculis 2 linearibus introrsis a se | mm. distantibus. Ovarium semi-rotuiidato-coniforme 3-4 mm. longum 7 mm. latum glabrum apice ad styluni 1-2 mm. longum abeuns, stylo apice 10-fido, segmentis 2mm. longis exteriore rejurvis apice acutis facie interiore promineiiti 1-carinatis ad carinas stigmatosis. Bacca late globosa 17 mm. longa 20 mm. lata apice stigmate coronata. Semina globoso-ovoidea 4 mm. longa 3 mm. lata apice obtusa basi rotundata, testa crustacca fusco-castanea ; albumen osseum suciiieum semi- pelluciduin. Embryo teres centralis. HAH. Shiuehikucho : Shimpo, leg. Y. SHIMADA, Dec. 1915. (Fl. et fr.) V1OLACECE. o Very near Naphat- nipponicnm MAKING, but differs from it in having more rounded leaves which are much hirsute on the under surface. Violaeeae. Viola Lixx. Viola Tayemonii HAYATA sp. nov. Caulis cum flore terminal! cire. asi plus minus eoutracta margine crenulato- denticulata dorso medio crassiuscula pilosa versus marginem tenuia glabra intus toto glal>ra. Stamina circ. 20, filamentis ^ mm. longis glabris complanatiss autheris lineari-lanceolatis 2 mm. longis 4- mm. latis apicc acuminatis basi obtusi, extus plus dense intus minus dense pilosis, pilis 1 mm. longis ascendento-erectis, loculis 2 introrsum dehiscentibus. Ovarium pilosum cum stylo conico-columni- forine cum stylo 3 mm. longum f mm. latum basi densissime sursum sparse pilosum, stylo l£mm. longo glabro apice brevissime 3-lobato. HAB. Arisan, ad 2500m. alt., leg. U. FAURIE, Jtinio 1914, (Xo. 1055). This form is distinguishable from the type in having ([tiite glabrous styles. It may be questioned, however, that this form is a male one of the original. Geraniaceae. Impatiens Lixx. Impatiens Tayemonii HAY ATA sp. nov. Caulis erectus rectus glabcr 40cm. altus. Folia alterna membranacea oblonga circ. 10cm. longa 4^ cm. lata apice acuminata basi cuneato-obtusa margine scrrata, serris ascendentibus 3-4 mm. latis totiusquc longis apice truncatis et emarginatis ad centrum apicu- latis, apiculis J mm. longis erectis rectis, venis lateralibus ad apicem serrularum hand attingentibus, utraque glabra, patiolis 1-2 mm. longis, stipulis nullis. Flores majusculi flavi ad axillas foliorum superiorum solitarii, pedunculi.s EUTACEJE. f) gracilibus 2£ cm. longis versus apiccm 1-bracteatis, bracteis minutis. Sepala 3 ; lateralia 2 ovato-rotundata 1 cm. longa 8 mm. lata apico recurvo-apiculata basi rotundata ; posticum 1 longe saccatum apicc ad orem cuspidato-acutum, ore plus minus obliquo 18mm. in diametro, sacco obconico 2cm. longo (calcare excepto) 1-^cm. lato basi acuto ad calcare lineare abemiti, calcare ascendento- recurvo linear! 8 mm. longo 1 mm. lato ad extremitatcm 2-fido, ramis 2 mm. longis. Petala 3 : vcxillum in plicato 8 mm. latum in explicate 16 mm. latum 6 mm. longum (in plicato oblique semi-rotundatum) apicc cmarginatum apiculatum, apicnlis 1 mm. longis deorsum productis ; alre semi-oblongse 2 cm. longre 1 cm. latje laterc postcriore (superiore) lobis singulis instructs, lobis 4 mm. longis 5 mm. latis semi-rotnndatis actitis apiculatis, apiculis 2 mm. longis deorsum recurvis. Stamina 5, nlamcntis complanatis 3 mm. longis niedio appendiculatis, appendiculis lincaribus 1^ mm. longis, antheris circum pistillum cohrerentibus late rotundatis. Ovarium lineare cum stylo brevissimo 4mm. longum l£ mm. latum apice cum stylo obtusum 5— costatum. HAB. Taihasen/an, ad 7000 ped. alt., leg. TAYEMON Pro, Junio 1915. Near I. Noli-tangere LINN., but differs from it in having more minutely serrate leaves tipped with a small tail. Rutaeeae. Evodia FORST. Evodia hirsutifolia HAYATA sp. nov. Frutcx? Ramuli fusco-pur- purascentes. Folia opposita in ambitu lanceolata generaliter 9-11-foliolata, foliolo terminali maximo clongato-oblongo 10cm. longo 3 J cm. lato apice acuminato basi acuminato mcmbraiiaceo-chartaceo margine integro utraque pagine tenuitcr brevissimc hirsuto, costa supra subtusquc tcnuitcr elevata, venis latcra- libus primariis utraquc pagine tenuiter elevatis hirsutis utroque latere costse 15-18 subrectis angulo obtusissimo a costa divaricatis, in exsiccato supra fuscenti subtus pallido subtus minute pauce rufo-fusco-punctato, petiolulo terminali 13 mm. longo ; foliolis lateralibus oppositis ovatis vel ovato-lanccolatis inferioribus gradatim minoribus, infimis minimis basi plus minus obliquis, superioribus subsessilibus, inferioribus breve pctiolulatis, patiolis communibus 3-4 cm. longis cum rliacliibus hand alatis brevissimc hirsutis. Cymoe axillares o 6 RUTACEJE. vel terminales, fructifene cum pedunculis H cm. loiigse 8 -9 cm. latse, ramis oppositis transverse divaricatis ; pedunculis 2^ cm. longis hirsutis. Fructus folliculifcr 6 mm. longus 11 mm. in diamctro generaliter 5-carpellaris, carpellis basi connatis obovatis apice rotuudatis basi acutis dorso rotuiidato-coiivexis latere plain's latere leviter conipressis dorso grosse tuberculatis laterc Itevibus. Seniina ellipsoidea 3|- mm. longa 3 mm. lata nitida nigerrima. HAB. Rinkiho, leg. IT. IXABA, 1911, Aug. Near Erodia melicrfolia BEXTII., but differs from it in having tliinlv hairv leaves and cymes. Evodia meliae folia BEXTII. ; MATSUM. et HAYATA Enum. PI. Formos. p. 69. Frutex. Ivamuli fuscentes leiiticellis elevatis rotuudatis minutis notati. Folia opposita in ambitu laiiceolata vel ovata cum petiolis 10-20 cm. longa 9-1 2 cm. lata 5— 11— foliolata, foliolis subsequalibus, foliolo terminal! ovato- lanceolato 5|- cm. longo 2| can. lato apice caudato-acuminato basi obtuso sequali vel plus minus obliquo ad summum obtuso margine subintegro supra in exsiccato fusccnti subtus plus minus albicanti, costa supra teiiniter subtus distincte elevata, venis lateralibus tenuissimis, petiolulo circ. 1 cm. longo ; foliolis lateralibus op- positis ovato-lanceolatis basi valdc oblirpiis latere superiorc 12mm. lato latere inferiore 8 mm. lato, petiolulis 8 mm. longis ; petiolis communibus 4 cm. longis. Flores non visi. Cymje ad axillas foliorum superiorum vel terminales cum pedunculis 5^ cm. longa) totius([uc Ititic trichotome ramoste dense fructiferse, pedunculis 3 cm. longis. Fructus folliculiformis depressus 3 mm. longus 7 mm. in diametro 3-5-carpcllaris, carpellis subdistinctis subglobosis latere conipressis dorso rugosissimis latere sublsevibus sutura ventrali dehiscentibus, endocarpiis ct exocarpiis demum solutis, endocarpiis cartilagineis. Semina ellipsoidea 2| mm. longa 2 mm. lata apice obtusa liasi rotundata laterc imo cicatricibus linearibus hilorum notata, testa osseo-crustacea nitidissima nigerrima ; albumen carnosum ; embryo ampins, cotyledonibns rotundato-ellipticis l|-mm. longis, radicula brevissima | mm. longa. HAB. in moiite ceiitralibus (Ahisen), ad 4000 pcd. alt., leg. S. SASAKI, Jan. 1911. Za nth oxylii in Li xx. Zanthoxylum liukiuense HAYATA sp. nov. Frutex. Ramuli teretes RUTACEJE. t liaud aculcati, cortice longitudinaliter rugnloso ad rugulos fiswo Jiaud vel vix lenticcllato glabro. Folia alterna pari- vel impari-pinnata tciiuitcr c;>riacea in ambitu lincaria cuiu pctiolis 20 cm. longa 6 cm. lata 19— 23— foliolata, foliolis superioribus majoribus iiifcrioribus minoribus ; foliolo terminali oblongo lanceolato 4-4£ cm. longo l|cm. lato apicc caudato-acimiinato ad summum obtuso rctuso basi actito marginc creimlato utraquc paginc glabro, costa supra tenuitcr impressa subtus elevata, venis primariis latcralibus supra hand subtus tenuiter clevatis utroque latcre costs? 7-8 subrectis, utraquc glabro obscure minute punctato ; foliolis latcralibus ovato-oblougis apicc breve caudatis basi obliquis laterc superiorc obtusis vel rotundatis latere iufcriore acutis vel obtusis a so l|-cm. remotis ; rhachibus angustlssimc alatis semi-terctibus, petiolis communibus 2 cm. longis glabris. Paniculse axillares 4 cm. longse 3 cm. latse, ramis divaricatis glabris apicc flores subglomeratim gercntibus (pcdicellis ultimis 1-2 mm. longis crassis basi bracteis minutis triangularibus acutis ^ mm. lougis instructis). Flores ~ : sepala 4 triangularia apicc obttisa basi baud coiitracta minus quam 1 mm. longa totiusque lata sub microscopio margine ciliolata utrarpic pagine glabra crassiuscula. Stamiuodia 4 triangulari-linearia | mm. longa | mm. lata hand antlicrifera. Ovarium tetramerum 1 mm. altum glabrum, carpcllis subdistinctis octaiitiformibus, stylis 2 mm. longis validiusculis exteriore rccurvis apice oblique stigmatiferis. Discus sub ovario iiisitus incrassatus 1 mm. longus totiusque latus. HAB. Loo-choo, Nagodake, leg. G. NAKAHABA, Aprili. 1907. Near Z. cuspidatinii CIIAMPV but distinguishable from it by the much more numerous and smaller leaflets and much shorter common petioles. Zanthoxylum acanthophyllum HAYATA sp. nov. Frutex? ramo- sissimus ; rami teretes glabri fulvo-cinerascentes, cortice tenuitcr ruguloso lenticellis hand elevatis minutis albis hac atque iliac notato ; ranmli flexuosi alternatim foliati, utroque latere basis petiolorum spinis oppositis instruct!, (spinis validissiniis oppositis laterc coniplanatis facie exteriore planis facie interiore subangulatis in sectioiie apice subulato-acutis basi triangulari- dilatatis circ. 1 cm. longis basi 6 mm. latis rectis a raniulo angulo circ. 90° egressis basi deorsum fulvescentibus sursum rubro-purpurascentibus nitidis). Folia rami annotini de^-idua majora 7-foliolata ambitu obovato- 8 RUTACEJE. oblonga vel oblonga cum pctiolis 10 cm. longa 7 cm. lata, foliolo terminal! obovato oblongo vel oblongo 5 cm. longo 2 cm. lato apicc obtuso vel acuto basi obtuso vel cuueato basi iiitegro exccpto brevissime serrulato versus apicem creiiulato, ad margiiiem teiiuissime deorsum recurvo, pagiue superiore glabro sed setulis 1 mm. longis ascendentibus coiisperso ad costas et venas haud setuloso, pagiiie infcriore glabro haud setuloso sed ad costas setuloso, costis et veuis supra teuuissime impressis subtus elevatis, veuis lateralibus primariis utroque latere costse 5-6 mediis a costa angulo 50° egressis subrectis ad margiiiem baud attingentibus, membranaceo vel chartaceo ; foliolis lateralibus oppositis 3-jugis, jugis superrimis maximis quam foliolo terminal! niajoribus, jugis infimis minori- bus, petiolis cum rhachibus a basi usque ad foliolum terminale 5£ cm. longis a latere complaiiatis supra late canaliculatis utroque latere canaliculorum aiigustissime elevato-alatis subuts minute setulosis, supra ad jugas superi- ores inter foliola lateralia seta validiuscula 5 mm. longa singula instructis, ad jugam iiifimam .setula miiiuta singula instructis ; inter-jugis 14 mm. longis, cum petiolulo terminali (i. e. partibus rachis inter foliolum terminale et jugam superrimam) sequilongis ; foliis ramulorum lateralium floriferorum horiiotiiioruni minoribtis cum petiolo 3 cm. longis 2 cm. latis. Flores <*> cymosi. Cyuiae ad apicem ramulorum lateralium terminales subumbelliformes sessiles, ramis (vel radiis) 5-6, 1^- cm. longis glabris patentibus apice florem 5-6 umbellatim gerentibus, pedicellis ultimis 3 mm. lougis basi articulatim deciduis basi bracteis singulis instructis, bracteis minutis subuliformibus 1 mm. longis. Sepala 5 inrequalia lanceolata vel lanceolato-triangularia 1 mm. longa apice lineari- acuminata basi ^ mm. lata glabra. Petala O. Stamina 4-5 sepalis opposita, flamentis 1£ mm. longis ^ mm. latis glabris, antheris apertientibus reuiformibus in clauso ellipticis | mm. longis glabris apice euiarginatis dorso apice globulis singulis instructis, globulis iiigro-coloratis. Rudimentum ovarii (vel discus ?) globoso-pulviniforme | mm. loiigum | mm. latum apice apiculis brevibus instructum. Fl. ? i^iiDti. HAB. Takao, leg. S. SASAKI, Mart. 1910. Fagara LINN. Fagara cyrtorhachia HAYATA sp. nov. Frutex scandentissimus. Kami subrecti remotissime aculeolati, aculeis 4 mm. longis latere complaiiatis descen- RUTACEJE. 9 dento-reeurvis, remote foliati, corticciii exsiccato fusco-cinerascenti longitudinalitcr ruguloso minutissimc lenticellato. Folia 7-17-foliolata in ambitu lanceolata, foliolis oblongis vel lanceolatis lateralibus suboppositis vcl altcrnis, infimis longisshnis oblongo-ovatis 5 cm. longis 2 cm. latis apicc acuniinato-caudatis (atl sunnnum caud;e obtusis) basi cuneato-acutis margiiic intcgris in exsiccato supra subnitldis vel opacis fuscentibus subtus pallidioribus utroque glaberrimis, costa supra tcnuiter impressa subtus elevata, venis lateralibus primariis supra vix subtus distincte elevatis sracillimis : foliolo terminali long-issimo anscustiorc O * O O lanceolate 6 cm. longo 13 mm. lato, petiolulis 2 mm. longis supra sulcatis, rhachibus cum petiolis gracilibus arcuatis aculeolatis supra sulcatis. Paiiiculse axillarcs 4-5 cm. longte laxiuscule floriferse, rhacbibus re^tis minute hirsutis 4-quetris ad nodos glomeratim floriferis, vcl floribus ad apicem ramo- rum paniculorum glomeratim pedicellatimqnc sitis, bracteis sub pedicello singulis, bracteolis duabus ; bracteis cuspidato-triangularibus ^ mm. l.mgis hirsutis ; bracteolis subulatis minutis |- mm. longis ; pedicellis % mm. longis hirsutis articulatim a rhachidc solutis. Fl. ^ : pallido-viridis. Scpala 5 triaii- gularia 1— | mm. longa et lata acuta utraquc glabra .margine plus minus breve liirsuta. Petala 5 clongato-oblonga 2 mm. longa 1 mm. lata apice obtusa basi levitcr coiitracta margine subintegra sub microscopic minute denticulata utraque glabra. Stamina 5, filamentis 2|-mm. longis glabris, anthcris oblongo-sagitti- formilms glabris | mm. longis |- mm. latis apice obtusis basi sagittatis. Discus hand distiiictus. Rudimentum ovarii depresso-globosum ^ mm. longum, stylis 2 oblongis | mm. longis. Fl. t : viridescciites. Sepala nt fl. J. Petala ovata 2| mm. longa l|-mm. lata utraque pagine glabra apicc obtusa basi leviter coutracta margine sub niicroscopio minute ciliolata. Staminodia 5 minuta, anthcris obsolctis. Discus pulviniformis in specimine exsiccato indistinctus. Ovarium depresso-globosum 1^ mm. longum totiusqne latum glabrum, carpellis 4 (vel 5 ?) distiiictis octantiformibus dorso minute impresso-punctatis, basi rotundatis apice abruptc ad stylum abeuntibus, stylis 1|- mm. longis cxteriore valde recurvatis apice subgloboso-dilatatis stigmatosis. Panicula fructifera pyramidalis 3-4 cm. longa. Fructus folliculiformis 4mm. longus llmm. in diametro, carpellis depresso-globosis 6|- mm. longis 6 mm. latis apice plus minus apiculatis latcre leviter compressis. Semina ignota. 10 EUTACEvE. HAB. Mt. Arisaii ; inter Heishana ct Nimandaira, leg. B. HAYATA, Aprili. 1914, (fr.) ; inter Fankiko ct Taroyeu, leg. TAKEO ITO et B. HAYATA, Mart. 1914, (fl. f et J). Fagara cyrtorhachia and F. leiorhachia are contrasted by the leaves which are in the former 7-17 folio-late with smaller leaflets, but in the latter 5-foliolate with much larger leaflets. Fagara laxifoliolata HAYATA sp. nov. Frutex ? rami et ramnli hand aculeati longitudinaliter rngulosi minute lenticcllati. Folia altcrna tenuiter coriacea pari-vel imparipiimata 7-9— foliolata in ambit u oblanceolata cuni petiolis 2cm. longis 20— 25 cm. longa 8-9 cm. lata, foliolis superioribus majoribus, inferioribns minoribus, foliolo terminal! cuspidato-obovato 8cm. longo 3|-cni. lato apice breve subito cuspidato-caudato ad summum tenuiter retuso basi subito acuniinato margine iiitegro tenuiter desuper cxcurvato utraquc glabro supra nitido, costa supra valdc impressa snbtus prominenti, vcnis primariis lateralibus utraquc pagine tenuiter scd distinctc elevatis venulis supra elevatis distincte reticulatis sed subtus vix visis, vcnis rcctis, petiolnlo 2 cm. longo ; foliolis lateralibus basi obliquis acutis, pctiolulis 1 mm. longis sulcatis ; foliolis a se 3 cm. remotis, rhachibus petiolisquc ct petiolulisquc supra sulcatis ; petiolis communibus 2 cm. longis. Panicula? axillarcs 5-7 cm. longse in anibitu pyrami- dales abundaiitcr floriferre, rhachibus pedicellisque hirsutis, pedicellis ultimis 2-3 mm. longis basi articulatim solutis, bracteis minutis triangularibus f mm. longis totiusquc latis acutis margine minute ciliatis. Florcs f. Sepala 4, triangularia f mm. longa f mm. lata apicc acuta vel obtusa utraque glabra margine sub lente ciliolata. Petala 4 oblonga 3 mm. longa 2 mm. lata apice obtusa basi plus minus contracta margine sub microscopic minute crenulata utraque glabra. Staminodia nulla vel minuta squamiformia. Ovarium 4- merum, carpellis subdistinctis quadraiitiformibus l^nim. lougis dorso impresso- punctatis, stylis 1 mm. longis stigmatibus globosis oblique sitis. Discus (vel torus ?) sub ovario insitus ^ mm. longus pulviiiiformis. HAB. Mt. Shichiscitoiizaii, leg. Y. SHIMADA, Aprili. 1911. Near F. Avicennce DC. (BEXTH. Fl. Hougk. p. 58), but differs from it by the 4-carpelled flowers and obtuselv cuspidate leaflets. Fagara leiorhachia HAYATA sp. nov. Frutex scandentissimus. Rami RUTACEJE. 1 1 rccti tcrotcs fusco-cinerascentes, cortice longitudinaliter ruguloso lenticellis minutissimis notato. Folia 5— foliolata in ambitu obovata 14cm. longa 12cm. lata, foliolis infimis minimis, foliolo terminal! maximo obovato vel oblongo 8 cm. longo 3cm. lato apicc longc caudate basi cuncato ad summuni obtuso vel minute rctnso supra subnitido, costa supra tenuiter imprcssa subtus elevata, venis primariis lateralibus supra tenuiter minus subtus distincte elevatis gracilibus rcctis angulo obtusissimo divaricatis, margine tenuiter desuper recurve, supra fusco subtus pallido utraque glabro (petiolulo 1| cm. longo); foliolis lateralibus altcrnis vel suboppositis ; petiolulis 6 mm. longis ; rhachibus cum petiolis supra planis vel sub-sulcatis ; petiolis communibus 3|-cm. longis; rhachis foliorum hand vel vix aculeolata. Flores ignoti. Panicula fructifera axillaris vel tcrminalis densissimc fructifera. Fructus folliculiformis 6 mm. longus 12 mm. in diametro 3-4- vel 5— carpellaris, carpellis distinctis oblongo-subglobosis apice apiculatis 7 mm. longis 5|- mm. latis latere leviter compressis extus rugulosis, cndocarpiis cartilagiiicis ; scmina ignota. HAB. Mt. Arisan, inter Heishana et Funkiko, leg. B. HAYATA, xiprili. 1914, (fr.). Near F. laxifoliolata, but differs from it in having 3-5— foliolate leaves. JHurrai/ct LINN. Murraya euchrestifolia HAYATA sp. nov. Frutex? Kami fusco- cincrascentes longitudinaliter minute rngulosi minute lenticellati, ramulis sursum tenuiter hirsutis. Folia abrupte (semper?) pinnata 4-8-foliolata cum petiolis 20-25 cm. longa in anibitu obovata tenuiter coriacea vel chartacea, foliolis O superioribus majoribus inferioribus minoribus ; foliolis superioribus elongato- oblongis 7-8 cm. longis 2J-3 cm. latis apice acuminatis ad summum obtusis basi acutis margine subintegris tenuiter desuper rccurvis, costa supra minus subtus plus elevata, venis lateralibus primariis ntroquc latere costte 5-7 rcctis a costa angulo 45°-50° egrcssis sursum ramosis utraque pagiiie tcnuissime elevatis, pagine supra viridibus subtus pallidis minute pauceque nigro-puiictatis utraque glabris, petiolulis 3 mm. longis, foliolis inferioribus minoribus circ. 5 cm. longis ; foliolis suboppositis vel altcrnis a se 3^ cm. distaiitibus ; petiolis communibus 3^ cm. longis interjugam tTquaiitibus cum rhachibus terctlbus glabris nigro- pimctatis. Flores ignoti. Cynia3 terminales 8 cm. longte 13 cm. latre abuiiclantcr^ rMt 12 RUTACE.T;. frtictiferse, ram is divaricatis. Fructus perfecte globosus 1 cm. in diametro glabcr hand rugosus sublcevis minute nigro-punctatus, punctis plus minus clcvatis, pericarpils tenuiter crassiusculis. Semina obovoideo-subglobosa 8 mm. longa totiusque lata, testa tenuiter raembranacea ; albumen O ; embrvo ampins, cotyledonibus crassissiniis obovato-rotundatis 8 mm. longis totiusque latis 3 mm. crassis, radicula infra miiiutissima ptmetiformi 1 mm. longa inter cotvledones sita. HAB. Nanto : Baikei, leg. TAYKMOX ITO, Jan. 1014. Near J/. Kcenigii, but differs from it in Jiaving much looser inflorescence and crimson-red fruits. J/. Kcenigii has much denser flowers and black fruits. Clausen a Brim. Clausena tetramera HAYATA sp. nov. Frutex? Kami et ramuli teretes fuscentes longitudinaliter minute rugulosi minute lenticellati minute sparse hirsuti. Folia alterna chartacea piunata in ambitu oblonga cum potiolis 25-30 cm. longa 10-14 em. lata, foliolis superioribus majoribus; foliolo terminali leviter minore eaudato-ovato 6^ em. longo 2^- cm. lato apice caudato-at:uminato ad sunmium obtuso basi late cuneato marginc snbintegro vel erenulato, eosta supra tenuissimc subtus prominente elevata, venis lateralibns primariis utroque latere [costee 9—11 ramosis sursuin arciuvtis supra hand subtus tenuiter elevatis cum costa rubro-coloratis, .supra subglabro subtus ad costus et venas laterales tenuiter Jiirsuto ; foliolis lateralibus oblique lanceolatis 8 em. longis 2| cm. latis apice acuminatis basi latere superiore late acutis latere inferiore angustissime euneatis a se 2|— Ocm. remotis, petiolulis 5 mm. longis; petiolis eommunibus 4cm. longis. Panicnke terminalea 20cm. longte 15cm. lata? floribundie a basi ramosse tenuiter liirsutiie, ramis divaricatis, floribus ad apieeui ramuli paiiiculse eymose sitis ; rliachibus pedieellisque hirsutis ; pcdicclUs ultimis 1 mm. longis basi articulatim solutis, bracteis minutis hirsutis obloiigis -|- mm. longis. Calyx brevissime obconieus subplanus 4— lobatus, lobis semi-rotundato- triangularibus ^ mm. longis breve euspidatis extus rugosis iiitus Itevibus margins aj)iee ciliolatis vel hand eiliolatis. Petala 4 oblonga 3 mm. longa 2 mm. lata apice obtusa integra glabra extus plus minus punctato-tuberculata iiitus Isevia. Stamina 8, filamentis basi dilatatis apiee filiforniibus, partibus dilatatis oblongo- quadrangularibus | mm. longis -| mm. latis inerassatis apice iiiteriore ad calcar productis glabris, partibus filiformibus 1 mm. longis glabris, antheris SIMAKUBEJE. 13 dorsifixis oblongis 1^ mm. longis apice obtusis levitcr retusis basi sagittatis interiorc dehiscentibus. Ovarium oblongum dense tuberculatum barbatum 1 mm. longum stipitatum, stipite |- mm. longo glabro, stylo glabro columnari crasso 1 mm. longo | mm. lato apice perfecte truncato stigmatoso. HAP,. Hainan, leg. Z. KATSUMADA, 1910. Near Clausena Wampi, but differs from it by the less hairy ovary and much dilated filaments. Citrus Lixx. Citrus erythrocarpa HAY ATA sp. nov. FortuneUa erythrocarpa HAY ATA. Frutex. Kami et ramuli graciles cinerascentes longitndinaHter tenuiter rugnlosi. Folia alterna trifoliolata vel simplicia chartacea, foliolis ovato-laiiccolatis vel lanceolatis 7 cm. longis 2| cm. latis apicc acnininatis sed ad summuni obtusis basi acnininatis margine integris ntraque pagine glabris, costa supra tenuiter impressa snbtus olevata, pellucido-pnnctatis, vein's vennlisque supra tenuiter vel obscure- subtus distincte elevatis. Florcs ignoti. Cymee terminales 2-3 cm. longae. Frnctns drupiformis ellipsoideus 1-3 mm. longus 10 mm. latns apice brcvissinie apiculatus lie vis glaber 1-sperinus rubescens, pericarpiis crassiusculis tenuibus. Seuiina solitaria ellipsoidea 13 mm. longa 8 mm. lata apice brevi- ssiuie apiculata basi rotundata, testa rubcscenti membranacea latcre uno arillis linearibus ramosis adnatis instructa. Albumen O ; embryo ampins ellipsoideus, cotyledonibus ellipticis 10mm. longis 6 mm. latis crassissimis minute puiietatis osseis ; radieula brevissima truiicata ad centrum minute impressa brcvissinie rubro-hirsnta. HAI;. inter Karapin et Suisharyo, leg. B. HAYATA, Aprili. 1914, (fr.). Near Citrus japonica in the 1-secded fruits, but differs from it in having shortly apictilatc elliptical fruits and 3— foliolate leaves. Simarubeee. Picrasma BLUME. Picrasma quassioides BEXX. ; BEXTH. Fl. Hongk. p. 61 ; HOOK. f. Fl. Brit. Lid. I. p. 520; HEMSL. Ind. Fl. Sin. I. p. 112 ; MATSUM. Ind. PI. Jap. IT.-2 p. 290. 14 CELASTR1XE.E. EHAMNEJE. HAB. Hogo, Musha, ad 4000 ped. alt., leg. B. HAY ATA, Aprili. 1916, (S et ?). Compared with a Japanese specimen so named in the Herbarium at Tokyo. Petals of female flowers of the Formosan are acuter and more hairy than those of the Japanese. Celastrinese. Celastrus Lixx. Celastrus elevativena HAYATA sp. nov. Frutex scandentissimus, ramis et ramulis eraeilibus interdnm volubilibus fascentibus eortice longitudmaliter O t-3 elevato-striatis leiitieellatis, leiiticellis rotundatis. Folia altcrna oblonga laneeo- lata vcl obovato-oblonga 1^-5 cm. longa 12— 23 mm. lata apice aeuta basi obtusa vel aeuta margine minute serrulata coriacea, costis vcuis venulisque utroq_ue pagine clevatis, utroque pagine glabra, petiolis 2-8 mm. lougis. Capsulse axillares solitariie vel gamiiue, pedicellis 5-6 em. longis re;-tis divaricatis, 3- valvata?, valvis viridibus erassc coriaeeis extus transverse rugulosis tenuissime grosse retieulatis rotundatis (] mm. in diamctro apiee reliquis styli apiculatis. Semina jnatura ignota. HAB. Kwarenko, leg. U. FAUIHE. Near C. Iciocarpa HAYATA, but differs from it in having narrower leaves with elevated veinlets on the upper surfaee. Rhamneae. Khatnnus Lixx. Rhamnus (Eurhamnus-Osrvispina) oiwakensis HAYATA sp. nov. Frutex 1-2 m. alt. raniosissimus, ram is teretibus fusco-purpnraseeutibus iiitidis Inevibus hand lenticellatis, ramulis setiformibus alternatim vel decussatim dispositis |-2 em. longis teretibus, ramulis foliiferis brevissimis 3mm. longis apiee sub- vertieillatini approxiniatim foliatis basi perulis dense obtectis, perulis coriaceis castaneo-eoloratis 1 mm. longis eiliatis obtusis vel aeutis eonvexis. Folia ap- proximata obovato-spathulata vel obovata 1-l^cm. longa 6mm. lata apiee obtusissima vel rotundata basi enneato-attennata margine deorsum Integra sursum crenata ad sinus crenarum setulis digiti-formibus rubcsecntibus -J mm. SABIACEJE. 15 longis instructa, supra ad costas tenuitcr liirsuta subtus glaberrima, supra venis costis plauis hand distinctis, subtus costis venis venulis reticulatis distincte elevatis, petiolis 2 mm. longis minute hirsutis supra sulcatis, stipulis subulato- linearibus l£ mm. longis hirsutis basi setulis digiti-formibus obtusis 4-5 brevissimis instructis. Mores 1 axillares solitarii, pedicellis 4 mm. longis minute hirsutis apice ad calyceni abeuntibus. Calyx late campanulatus pallido- viridis glaber, tubo tetragoiio-obpyramidali 8-costato 1 mm. longo l£ mm. lato intus extusquc glabro, limbo 4-partito, partibus oblongo-triangularibus 2f mm. longis l|-mm. latis plus minus crassiusculis glabris 1-nerviis apice acuminatis ad sunimum obtusis marginatis valvatis patciitissimis. Pctala 4 minute spathulata 1 mm. longa apice obtusa basi cuneato-atteimata glabra tenuissima coiicava stamina involventia ad marginem tubi ealycis affixa glabra erccta. Stamina 4 ad marginem tubi ealycis affixa petalis opposita, nlamentis ereetis validiuseulis 1 mm. longis glabris, antheris ovatis ^-% mm. longis apice obtusis feasi lobatis dorsifixis. Rudimentum ovarii minutum globo- stim, stylo columnar! ^mm. lougo apice 2-partito. Fl. ? ignoti. HAE. Oiwake, 7500 ped. alt,, leg. B. HAYATA, Aprili. 191(3. Remarkable for the very small congested leaves. Sabiaeeae. Meliosma BLUME. Meliosma callicarpaefolia HAYATA (PI. II.) ; L-. PI. Formos. III. p. 68. Descriptio aucta : Flores apcrtieiites : bractea singula ovata | mm. longa £ mm. lata apice obtusissima crassiuscula margine ciliolata ; bracteola minuta 2. Sepala 3-4 -late rotundata vel semi-rotundata 1} mm. lata | mm. longa apice rotundata basi truncato-contracta Integra concava glaberrima ad iiisertioueni -^ mm. lata margine hand vel vix ciliolata. Pctala 3 late rotundata plus minus inseqtialia majora circ. 2mm. lata l|mm. longa apice rotundata basi contracta ad insertionem £ mm. lata apice crassiuscula margine integra imbricata. Stamina perfecta 2 cum petalis alterna, filamentis glabris linearibus basi dorso appendicibus obsagittiformibus instructis, apice conncativis semi-rotundatis peltatis ^ mm. latis -i mm. longis terminatis, loculis antJierarum 2 supra comiec- tiviim sitis introrsis globosis se contactis } mm. in diamctro flavis. Staminodia 16 EOSACEJE. 3 cum pctalis affixa dorsr> cornpknata qiiadrangularia 1 mm. longa | nun. lata apicc utroque laterc auricukto-dilatata foveolataque. Glandules disci 2-3 mem- braiiaccte triangulares £ mm. kta> apicc bicuspidata? vel simpliciter cuspidatse glabra?. Ovarium late rotundatum f mm. longum £ mm. latum 2— loculare glabrum, stylo brcvi columnar! £ mm. longo apicc subulato-acuto. HAB. Arisan, 8000 pcd. alt,, log. V. FATTIIK, Junio 1914, (No. 270). Rosaeeee. Utibus Lixx. Rubus rarissimus HAYATA sp. nov. Sufirutex, rami aunotmi fusco- rubescentes teretes tenuitcr pubcsccntcs miiiutissimc striati remote aculcati, aculeis laterc compknatis 2^- mm. longis basi dilatatis apicc dcorsum plus minus rcuurvis, ramulis hornotiuis fulvescentibus tcretibus pubescentibus aculeatis 1-2-foliatis basi perulis multi-scriatis extus villosis instructis. Folia altcrna trifoliata, folio tcrminali maximo subrhomboidco 8 cm. longo 6 cm. lato apice cuspidato basi triangulari-obtuso niarginc duplicato-dcntato, (dentibus triangularibus apicc breve aristatis, aristis sursum recurvis), supra subglabro vel tenuissime pubes- cent! sulrtus densissimc brevissiuie villoso-tomcntoso, tomcntis pallido-fulves- centibus, costis et venis supra comprcssis subtus distincte clcvatis, vcnis lateralibus primariis utroque laterc 7-8 rectis mediis a costa angulo 30° egressis ad apicem dentium attingentibus, vcnulis rectis ad apicem dentium attingcntibus vel rcticu- latis supra imprcssis subtus clcvatis ; foliolis lateralibus niinoribus 6 cm. longis 3|- cm. latis apice acuminatis basi oblique obtusis laterc inferiore latioribus qiuim laterc supcriorc, brcvissime petiolulatis, petiolulis 1-2 mm. longis ; pctiolis communibus 6 cm. longis pubescentibus aculeatis, rhachibus 2|- cm. longis, stipulis linearibus 8 mm. longis f mm. latis acuminatis. Flores cymosi. Cymse terminalcs vel axillarcs pcduiiculatas vel sessiles cum pcdunculis 2^ cm. longte villospe 3-20-florattie, pcdiccllis idtiniis 1 cm. longis. Calyx utraquc villosus, cupula 3 mm. in dianietro extus villosa intus glabra extus impressa intus clevata, lobis patcntibus lineari-triangularibus 4-5 mm. longis 2mm. latis villosis ad summum glabris. Petala "> obovato-spathukta cum unguibus 4mm. longa 3mm. lata apicc rotundato-truiicata basi subito unguiculata, unguibus 1mm. longis | mm. latis, marginc subintegra vel crosa intus glabra sod basi hirsuta ROSACEJE. 1 7 oxtus versus costam hirsuta. Stamina oo ad marginem cupulrc inserta, filainentis filiformibus glabris 2 nun. longis, antheris ovato-oblongis f mm. longis glabris. Rcceptaculuui carpellorum clcvatuni globosum breve stipitatum villosum, carpellis oo semi-obovoideis basi brevissime stipitatis, (stipitibus pilosis) basi apieequo pilosis medio latcrequc glabris, stylis terminalibua 2 mm. longis rubescentibus basi pilosis snrsnni glabris apice oblique truncatis 2-lobatis stigmatiferis. HAB. Arisan, ad 2500 peel, alt,, leg. U. FAURIE, Jnnio 1914, (No. 33). Near Rubus idaeus Lixx. subsp. nipponica FOCKE, but differs from it in having more numerous and less pilose carpels. Cotoneaster MEDIK. Cotoneaster morrisonensis HAYATA Ic. PI. Formos. V. p. 62. Flores uxillares vel ad apieem ramulorum terminates solitarii, pcdiccllis 3 -4 mm. longis strigoso-hirsutis, pilis adpressis fnlveseentibus rectis. Calyx obconieus 2 -3 mm. longus totiusque latus extus adpressc hirsutus apiee 5-lobatus, lobis triangu- laribus erassiuseulis extus Jiirsutis intns glabris apiee obtuso-truncatis 1 mm. lougis II mm. latis. Petala 5 ad basin lobi calycis affixa rotundata 3 mm. longa totinsque lata apiee plus minus cmarginata vel rotundata basi breve imguieulata eontraeta ad insertionem | mm. lata margine subintegra vel tenuiter erosa intus valde eoncava. Stamina oo ad basin lobi ealyeis affixa, filtementis l^mm. longis basi incrassatis apiee snbulatis glabris, antheris rotnndato-ovatis I- mm. longis tot i usque latis apice minus basi plus cmargmatis ; carpellis 2 a so distinctis dorso usque ad medium cum calycis tubo connatis sursum liberis, dorso dense albo-hirsutis, stvlis columnaribus 1|- mm. longis glabris. HAB. Taihasenzan, leg TAYEMOX ITO, ad 10000 pcd. alt,, Aprili. 1915. Photinia LIXDL. Photinia lasiopetala HAYATA sp. nov. (Fig. 1.) Frutox, ramis et ramulis fusco-cineraseentibus longitudinaliter strigosis, lenticcllis obscuris, Jiaud hirsutis, rauiulis aniiotinis glabris rubescentibus Ia3vibus foliatis. Folia in vivo supra atroviridia et nitida in cxsiccato pallido-rubra obovato-clliptica vel lanceolata obovata 10-15 cm. longa 2^-4|cm. lata apice breve acuminata versus basin gradatim attenuata ad basin subito acuta margine minute serrulata margine versus basin integra coriacea utraque glabra, costa supra inipressa subtus elevata, vcnis venulis supra minus subtus plus elcvatis gracillimis, veuis IS EOSACEJE. latoralibus primariis utroquc latere circ. 15 tenuissimis a costa angulo 30° egressis prope marginem evanescentibus, petiolis 1-2 cm. longis glabris basi subito dilatatis caulem partini amplectantibus supra sulcatis ; stipnlis nnllis. Panicula terminalis S cm. longa pyramidalis, minis divaricatis glabris vel tenui- ter birsutis, pedicellis 1--J ciii. longis birsutis. Calyx pallido-viridis obconicus 2 mm. longus totiusque latus hirsutus 5-dentato - lobatus, lobis vel dentibus erectis triangularibus 1 mm. latis | mm. longis apice acutis basi baud contractis eras- si uscnlis, tubo iiittis glabro. Pctala alba in ambitu obovata basi unguiculata, lamina subrotundata 2^ mm. longa totiusque lata apice obtuse bilobata extns glabra intus basi longe albo-liirsuta, pilis (.-rispatis, imguibns 1 mm. longis intus dcnsissime Jiirsutis extus glabris exteri< ,re Fi^ ] ' Ff posita, filament is glabris filiformibus 2£-:J mm. longis, antheris reniformibus basi 2-lobatis apice emarginatis | jiim. longis totiusque latis flavis. Ovarium ovoideum usque ad medium cum tubo calycis connatum, partibns apicalibus liberis dense albo-liirsutis obconicis 1 mm. longis apice ad stylnm abeuntibus ; styli 2 basi connati dense hirsnti apice peltatim truucati stigmatosi ; ovarium 2- loculare, loeulis 2-ovnlalis. SAXIFRAGE.*:. 10 HAB. Mtislm : Baikei, ad 2500 peel, alt,, Aprili. 191G, leg. B. HAYATA. Near P. serrulata LINDL., but easily distinguishable from it in having hirsute unguiculate petals. The habit of this new shrub is nearly tlie same as that of Deittzia scabm. Saxifrageae. Itea LINN. Itea arisanensis HAYATA sp. nov. Frutex, ramulis gracilibus, eortice longitudinaliter ruguloso glabro. Folia remote disposita oblonga vel oblongo- lanceolata 10-14 cm. longa 3-5 em. lata apiee acuminata deorsum recur va basi obtusa vel acute margine tenuiter et rcmotissime serrulata, (serrulis minntis a se 4-5 mm. remotis asccndentibus apiee interiore recurvis), chartacea utracuie pagine glaberrima, eostis ct vcnis supra tenuiter impressis subtus elcvatis, venis primariis lateralibus graeillimis utroquc laterc costse 5-8 areuatis sursum margine subparallelis gradatim evanescentibus, venulis graeillimis eosta trans- verse dispositis transverse reticulatis supra hand visis subtus distincte visis, pctiolis 1-1|- em. longis supra sulcatis glabris. Flores ignoti. Raccmi fructiferi terminales vel axillarcs 8-10 em. longi 1^-2 em. lati, pcdunculis 1-2 cm. longis cum rhaehibus pubeseentibus, fruetibus geminatim vel solitariter secus rhachin racemi dispositis transverse patentibus vel descendentibus, pedicellis 5 mm. longis apiee levitcr dilatatis ad tubum ealyeis abeuiitibus, bracteis sub pedieello liiiearibus vel laiiceolatis 1^- mm. longis. Calyeis fructiferi tubus infundibuli- eampanulatus 1mm. longus 1| mm. latus, limbo 2| mm. in diamctro margine lobato, lobis 5 triangulari-cuspidatis 1 mm. longis toti usque latis apiee acutis, siiiibus inter lobos late rotuiidatis. Carpella 2 supra tubum calycis fere dis- tineta ereeta leviter divarieata fusifornii-linearia supra cupulam ad 5 mui. exserta 1 mm. lata sparse minute hirsute apiee attenuate dorso in sectione eonvexa facie plana in sectione semi-rotundata sutura ventrali dehiscentia. Semina minute numerosa ovoideo-fusiformia 1| mm. longa ^ mm. lata altri extremitate attenuata acuta altri extremitate obtusa, testa sicca rugosissima fusco-rubescentc nitida. HAB. Mt, Arisan : inter Suisharyo et Fuiikiko, leg. B. HAYATA, Aprili. 1914. (Fructus). 20 CRASSULACEJE. HAMAMEL1DEJE. Near Itea ckinensis, but distinguishable from it in having less serrate leaves of much thinner texture. Crass ulaceae. Sedum LIXN. Sedum uraiense HAYATA sp. nov. Herba tenuissima basi repens, partibus erectis 10 cm. longis crispato-hirsutis, pilis transverse pateiitibus. Folia in exsiccato tenuissime membranacea in vivo crassiuseula opposita vel rarius ternata a se 2-3 cm. rcmota petiolata, lamina ovata vel rotunda to-ovata circ. 1^—2 cm. longa V. 3-15 mm. lata apice obtusissima basi subito attenuata ad petiolum abeuntia margine Integra densiuscule patento-ciliolata supra spar- sissime hirsuta subtus subglabra, petiolis 5-8 mm. longis. Cynue terminales laxissime floratse cum pedunculis 7 cm. longis brevissiuie patento-hirsutse, pedicelHs terminalibus 2-5 mm. longis. Scpala 5 extus oblongo-triangularia 1^ mm. longa f mm. lata apice obtusa basi hand contracta margine integra extus dense hirsuta intus glabra tcnuiter 1 -nervia. Petala 5 lanceolata 3-3| mm. longa J nim-1 mm. lata apice acuminatissima basi leviter angustata ad insertionem -| mm. lata integra tcnuiter 1-iiervia. Stamina 10, filamentis filiformibus 2 mm. longis glabris, antheris globosis ^ mm. in diametro 2— locularibus ; glandulis 5 carpello oppositis rectangularibus £ mm. longis. Carpella 5 lanceolata glanduloso-hirsuta apice ad stylum attenuata ; carpella matura membranacea Jiyalina oblonga 2mm. louga § mm. lata apice ad stylum abeuntia. Seinina ovoideo-ellipsoidea utraque truncata circ. -^ mm. longa profunde 8— 13— sulcata minute elegante transverse multo-striata in seotione teres, testa crustacea fusco-castanea. Embryo ignotus Sedum drymarioides HAYATA Ic. PI. Formos. IV. p. 110, (11011 HAXCE). HAB. Urai, in petrosis rara, leg. U. FAUIUE, Aprili. 1914, (No. 810). Near & drymarioides HAXCE, but differs from it in having much longer petals. Hamamelideae. Corylopsis SIEB. et Zucc. Corylopsis stenopetala HAYATA (PI. III.) Ic. PI. Formos. IV. p. (J. Descriptio aucta : Spicte fructiferse erectte 3-4 cm. longre cum fructibus HALORAGE.E. BEGOXIACE.E. 21 2-3 cm. latie, pedunculis 4-5 cm. longis glabris ; rliachis spies? post anthcsin aocrescens hirsuta dense fructifera ; calycis tubas in fructu accrescens plus minus stipitatus cum stipitc incrassato 1 cm. longus 8 mm. latus, lobis minutis dentiformibus ; carpella 2 calycis tubo insita medio supra cxserta oblonga apice bicornuta, cornibus exteriore recurvis, 2-valvatim deliiscentia, exocarpio crus- taceo fuscenti, indocarpio crustaceo-osseo albo-fulvescenti, 1-sperma ; scmina elli- psoidea 7-8 mm. longa, testa Crustacea iiigra nitida. HAB. Nauto : Jinrinsha, leg. U. MORI, Juli. 1907, (No. 292). Haloragese. Callitriche Lixx. Callitriche japonica EXGELM ; FRAXCH. et SAVAT. Enum. PI. Jap. II. p. 369 ; ITO et MATS™. Tent. Fl. Lutch. p. 205 ; MATSUM. Ind. PI. Jap. II.-2 p. 310. HAB. Taihoku : Koteisho, leg. Y. SHIMADA, Mart, 1915. (Fl. et fr.). DLSTRIB. Japan. Compared with a Japanese specimen in the Herbarium at Tokyo. Begoniaceae. Begonia Lixx. Begonia aptera HAY ATA Mater. Fl. Formos. p. 122. Descriptio aucta: Cympe terminales cum pedunculis circ. 10 cm. longfe 15 cm. latre, (pedunculis 5 cm longis), toto glabrre ; podieellis ultimis 5-13 mm. longis gracillimis. Flores J : glabri albieantes ; seguienta 4, exteriora 2 iiiteriora 2 ; exteriora late cordato-rotuiidata l|-cm. longa totiusque lata apice obtuse rotundata basi subcordata margine Integra ; segnienta iiiteriora obovato-spathulata 9 mm. longa 4 mm. lata apice obtusissima basi cuneata subunguiculata niargiiie Integra. Semina iiumerosa, antheris obovatis l^nim. longis 1mm. latis apice emarginatis basi obtuso-cuneatis. Fl. ^ : seguienta ignota ; ovariuni late depresso-globosum 7 mm. longum 10 mm latum ex-alatuni glabruni ; sty II 3, 4 mm. longi erecti apice 2-fidi, ramis erectis 3 mm. longis tortuosis. HAB. Suisha, leg. B. HAYATA et S. SASAKI, Mai. 1912; Maisha, leg. B. HAY ATA et S. SASAKI, Jim. 1912. 22 BEGONIACE^E. Begonia ferruginea HAYATA Mater. Fl. Formos. p. 123. Descriptio aucta : Segnienta 5 ; cxtcriora 2 majora, interiora 2 minora ; exteriora late oblonga 10 mm. longa 7 mm. lata plus minus obliqua apice rotimdata margine subiiitegra cxtus hirsuta iutus glabra ; segmenta interiora minora ; intimum minimum glabrum oblongum 7 mm. longum 3£ mm. latum apice obtusum. Styli 2-3 mm. alti semi-infundibuli-forme dilatati 2-fidi ; ramis 2 mm. longis crectis tortuosis vermiformibus. Ovarium liirsutum oblongo-obovatum 6-7 mm. longum 4 mm. latum obliquum 3— alatum ; ala posteriore elongata transverse sita liiieari circ. 10 mm. longa 4 mm. lata apice obtusissima hirsuta ; alis late- ralibus vcrticaliter sitis linearibus 8 mm. longis sursum latioribus 1-2 mm. latis (leorsum angustioribus ad iiullum reductis hirsutis. Capsula ab apice pedicelloruni subito deorstim rcflexorum pendida 2-locularis teiiuiter ferrugineo-tomentosa demum subglabrata (alis exceptis) lincari-obovata 15 mm. longa 5 mm. lata apice subtruncata basi attenuate ad pedicellum abeuns ; ala posteriore quadrangulari- formi 2 Jem. longa l£cm. lata apice obtusissima tcnuiter tomentosa nervosa transverse descendenteque sita; alis lateralibus linearibus verticaliter sitis l^crn. lougis 4 mm. latis nervosis teiiuiter tomcntosis. Semina minierosissima minu- tissima polygono-cllipsoidea reticulata rubro-fulvescentia ^ mm. longa. HAB. Arisan, leg. B. HAYATA, Jan. 1912, (typus fructus). The present species is contrasted from B. laciniata ROXB. var. formosana HAYATA in having hairy ovary and hairy outer segments which are oblique- ly oblong and quite rounded at the apex, and in having quite erect branches of the styles. Begonia laciniata ROXB. var. formosana HAYATA Mater. Fl. Formos. p. 124. Descriptio aucta : Fl. $ : segnieiita 5, cxteriora 2 ; interiora 3 ; segnientum exterius rotundatum 8 mm. longum 7 mm. latum apice triangu- lari-obtusum basi rotundatum ad iusertionem 3 mm. latum margine subiiiteg- rum ; interiora minora imequalia. Styli 2, breviores 1 mm. alti 2-fidi, ramis verniiforme recurvis. Ovarium oblique triquetruni 5 mm. longum ad angulum alatum, alis inrequalibus ; ala posteriore quadrangulari-formi 4 mm. longa 3 mm. lata ovario transversum sita, alis lateralibus angustissime linearibus 3 mm. longis 1 mm. latis. Flores cum ovario alisque toto glabri. HAB. Mai, Juli. 1912, leg. B. HAYATA. ARALIACEvE. 23 Araliaceae. Heptapleurum GAERTX. Heptapleurum arboricolum HAYATA sp. nov. (PI. IV.) ti'hcfftwi arboricola HAYATA. Frutcx circ. 3-4 in. altus ramosus, ramulis crassiusculis .sursum 7-8 mm. in diamctro densiuscule leiiticcllatis. lenticcllis oblon^is 2-3 ' O mm. longis sursum foliatis. Folia alterna longe pctiolata palmatim 7-8-folin- lata, foliolis centralibus majoribus, basilaribus minoribus, totis pctiolulatis ; folio- luni centralc obovato-oblongum 9 cm. longum 4 cm. latnm apice obtusissimnm ad centrum summi einarginatum deorsnm angustius ad extremitatem obtusum margine intcgcrrimnm, costa supra minus subtus plus clevata, vcnis vcnulis supra plus subtus minus rlevatis, utracpic pagiiic glaborrimum, supra iiitidum subtus glaucum pallidum, vcnis latcralibus primariis utrocpio costje latcro 5-1 5, mediis a costa angulo 45° egressis subrectis sursum arcuatis apice ramosis, venulis elevato-reticulatis, pctiolulis 3^-2^ cm. longis scmi-tcrctibus sursum sulcatis subalatis basi cum apice petioli articnlatis glabris; pctiolis commimibus 12-1 5 cm. longis teretibus glabris subrectis apice subito sursum recurvis basi valdc dila- tatis, partibus dilatatis auriculi-formibus, auriculis 5 mm. longis ct latis semi- rotundatis coriaceis. Raccnii termiiiales vel ad axillas foliorum apicalium siti sim- plices vel paniculato-umbellatim dispositi ; raceniis vcl ramis panicularum suboei mi- longis 20 cm. longis in ambitti cylindricis remote ramulosis, raniulis sequilongis 1 cm. longis divaricatis aj)ice flores umbellatim circ. 10 gerentibus subglabris vel liirsutis, bracteis caducis ignotis, pedicellis florum 5-7 mm. longis radiatim divaricatis rcctis glabris vel sparse liirsutis apice plus minus dilatatis ad calyccm abcuntibus. Calyx deprcsso-campamdatus 1 £ mm. longus 2 mm. in diametro marline integer vel obscure dentatus, dcntibus minutis hand distinctis. Petala o o ' 5-7 lineari-triangularia 2|- mm. loiiga 1—1^ mm. lata apice acuta ad summum interdum intus cornibus instructa basi plus minus contacta 3-nervia glabra. Stamina 5-7, ad marginem disci inserta, filamentis glabris filiformibus complanatis 2| mm. longis, antheris late rotundatis 1 mm. longis toti usque latis apice basique 2-lobatis. Discus pulvini-formis. Stylus subnullus, stigmate depresso-rotundato 1| mm. in diametro ] mm. alto. Ovarium 5-7-lo^ulare, loculis 1-ovulatis. Fruetus obovoideo-globosus 5 mm. longus 4 mm. latus distincte 5— 6— sulcatus. 24 CAPRIFOLIACK,K. HAH. Toycncho : Kappansan, ad trunco.s Fici iusularis cresccns, leg. S. SASAKI, Nov. 1915. Near Heptopleurum octophyttum HAXCE ; but distinguishable from it by the much smaller, thicker, coriaceous leaves and in the very depressed rounded stigmata. //. octophyttum is terrestrial, but this new spec-ics is always found to be epiphytic. Caprifoliaeeae. Lonicera Lixx. Lonicera oiwakensis HAYATA sp. nov. (PI. V.) Frutex 1-2 m. altus, ramis rcctis striatis teretibus, cortice cinerascenti minute muricato hand hirsute longitudinaliter fisso et soluto, ramulis divarieatis strigoso-pilosis rectis foliiferis tcretibus. Folia opposita elliptica rigide coriacea 2^ cm. longa 1| cm. lata apice emarginata vel rotundata basi rotundata vel truneata margine integra .setulosa, costa supra impressa subtus elevata, vcnis suj)ra impressis subtus elevatis, venulis reticiilatis supra tenniter impressis subtus elevatis, pagina supra scaberrima ad centrum reticulorum setula instructu, subtus ad venas venulas strigoso-hirsuta, in exsiccato supra fusccntia subtus fnlvo-flavescentia, venis lateralifous primariis utroque costse 4 arcuatis, j)etiolis 2-3 mm. loiigis hirsutis supra sulcatis basi triangulari-dilatatis ad pulvinum abeimtibus, pulvinis folio- rum cum iis oppositis fere amplexicaulibus. Flores subpcnduli subalbi apice plus minus rosci a basi ramuli hornotini brevis 1-2 cm. longi oriundi, jK'duneulis gracilibus nutantibus 1 cm. longis vel interdum ad nullum reductis valde complaiiatis strigoso-scabris apice 2-bracteatis flores geminatim geren- tibus, bracteis oppositis linearibus falcatim recurvis 8 mm. longis 1 mm. latis acuminatis margine iutegris sctulosis supra tenuiter hirsutis subtus costatis, ad costas sctuloso-hirsntis. Calyx viridis cum eo opposito latere intcriore toto connatus, tubo obconico-cylindrico glabro 2 mm. longo 1 mm. lato apice trun- cato basi ctmcato, limbo cupuli-formi campanulato extus intusque glabro 1 mm. alto 2 mm. in diametro margine tenuiter et irregulariter 5-lobato, lobis apice rotimdatis margine ciliolatis. Corolla alba apice rosea tubuloso-infundibuliformis, tulx) 7 mm. loiigo 2 mm. lato basi obliquo valde oblique contracto latere ^xnteriore prope basin gibboso extus setuloso-hirsuto intus strigoso-hirsuto, limbo CAPR1FOLIACEJE. 25 2-labiato, labio superiore latiore 7 mm. longo totiusquc lato utraquc glabro retrorse reflexo apice 4-lobato, lobis oblongis apicc rotundatis apicc eoncavis integris ; labio iiifcriorc lineari-oblongo 8 mm. longo 4 mm. lato apice obtusi- ssimo marginc integro. Stamina 5 infra apiceni tubi affixa exserta, filameiitis circ. 6 mm. longis subglabris teretibus, antheris oblongo-liiiearibus 2£ mm. longis albis. Stylus albus colurnnari-filiformis 1 cm. loiigus glaber apicc plus minus latior, stigmate viridi subtermiuali peltato oblongo 1 mm. longo sub- oblique peltatim ad apicem styli si to ; ovarium infer um 3-loculare, loculis 4- 5-ovulatis. HAB. Musha : Oiwake, ad 8750 ped. alt., leg. B. HAYATA, Aprili. 1916. Near L. Morrmvii ; but differs from it in the pubescence of the leaves. Hairs on the leaves of this new species arc much stouter having a conical dilated base, while those of L. Morrowii are much more slender without any conical base. Lonicera transarisaneusis HAYATA (Fig. 2) n. n. Lonicem angustifolia HAYATA (non EAFFIN) Ic. PI. Formos. II. p. 75. Descriptio aucta : Corolla glabra tubuloso-canipanulata, tubo 12 mm. longo basi 1 mm. lato apice 3 mm. lato extus glabro intus dcnsissime hirsuto, limbo expanso-campanulato 2-labiato, labio iufe- riore linear! llmm. longo 3mm. lato apice obtusissimo basi hand contracto 7-8- nervio (iiervis subpalrallelis) subtus glabro supra versus basin piloso, labio superiore deorsum recur vato marginc latere integro rotundato 9 mm. longo totiusque lato apice in ambitu truncato vel emarginato erecto-pateiiti marginc latere exteriore Fig' 2' Lomcera HATATA ; a, a pair of flowers ; b, a flower ; plicato-recurvo apice 4-lobatO, lobis 2 - c, corolla expanded ; d, ovaries ; e, cross lateralibus majoribus late triangularibus section of an ovaiy; a* b' c' d' ne'arly natural size. 3 mm. longis 4nim. latis apicc ob- tusissimis eoncavis marginc exteriore integris iiiteriore denticulatis basi latere iiiteriorc auriculis singulis triangularibus deorsum recurvis instructis, lobis 2-mediis minoribus rotundato-triangnlaribus 2J mm. latis apicc obtusissi- 26 COMPOSITE. mis basi hand contractis margine iiitegris ; labio superiore extns glabro iiitus basi plus minus hirsute. Stamina 5 ab apice tubi corolla; oriunda, filamentis triquetris circ. 8 mm. longis deorsum hirsutis sursuui glabris 1-nerviis, anthcris linearibus 5 mm. longis 1 mm. latis apice obtusis basi bilobatis, lobis 1 mm. longis, versatilibus. Stylus filiformis '2 cm. longus cxscrtus dense pilosus (basi apice excepto) sursuni glaber, stigmate globoso 2 mm. lato levitcr 3-lobato. HAB. Arisan, ad 2500 m. alt., leg. U. FAUPJE, Jimio 11)14, (Xo. ".59). Xear L. Hcnryl HEMSL., but differs from it in having quite glabrous peduncles, and in the costas of the leaves which are, in this new species, brownish hairv. • Compositae. Ch rysanthemum LESS. Chrysanthemum arisanense HAY ATA sp. nov. (1*1. VI.) Hcrba basi suifrutesccns 40 cm. longa molle lanugiiioso-hirsuta. Caulis simplex hand ramosus teres 2 mm. in diametro seetioiiis erectus. Folia radicalia ignota ; catilina petiolata pinnatisecta in anibitu ovata 5 cm. longa •"> cm. lata apice acuminata basi truncata vel truncato-cordata, seguientis circ. 5 ; segmento tcrmi- nali ovato-lanceolato 3 cm. longo 13 mm. lato apice acuminate basi ad rhachiii attenuate laciniato-pinnatilobato, lobis linearibus vel serri-formibus ascendentibus apice cuspidatis acutis superiore levitcr recurvis, segnicntis latcralibus ovato- lanceolatis vel oblanceolatis oppositis laciiiiato-pinnatilobatis, apice acutis basi attenuatis ; rJiachis 2-1 mm. lata; pagina supra brevissime parco sod ad nervos venasque dense crispato-hirsuta subtus dense adpresso-hirsuta, pilis subalbi- cantibus ; petiolis 2 cm. longis dense hirsutis dorso complanatis ; folia superiora minora. Capitula 3-4 ad apicem caulis sub-uml^ellatim disposita, (pedunculis 2£ cm. longis adpresse hirsutis) rotundato-campanulata 8 mm. longa 10 mm. lata. Involucrum rotundato-obconicum 7 mm. long urn, bracteis 3-seriatim dispositis, extiniis brevissimis oblongo-ovatis 4 mm. longis 2 mm. latis dorso carinatis (ad carinam hirsutis) scariosis apice acutis basi hand contractis intus glabris, mediis longissimis oblongis 6£ mm. longis 3 mm. latis apice obtusis basi ad insertionem 1 mm. latis dorso 1 -carinatis intus concavis scariosis utraque glabris, intimis oblanceolatis 6 mm. longis 2 mm. latis apice obtusis basi attenuatis COMPOSITE. 27 ad insertionera f nun. latis (Torso tenuiter carinatis scariosis utraque glabris. Florcs marginales 1 -seriatim? dispositi liguliformes focminei. Corolla lin- guiforniis, tubo subnullo vel | mm. longo, lamina lineari-oblonga 6 mm. longa l£mm. lata apice obtusa basi breve attcnuata. Styli 2£ mm. longi apice 2- fidi, ram is dorso complanatis linearibiis circ. 1 mm. longis ^ mm. latis utroquo latcro stigmatiferis apicc truncatis breve peetinatis. Floros disci ttibiformcs hermaphroditi glandulis globosis miiiutis parce conspersi, tubo 1| mm. longo i-^-mm. lato cylindrico, limbo campannlato-tubuloso 1*-1| mm. longo 1mm. lato apice 5-lobato, lobis triangularibus \ mm. longis totiusque latis apice acutis. Stamina 5 basi limbi oriunda, filamentis filiformibus glabris, antheris linearibus cum appendicibus connectivorum 1^ mm. longis ^V~A mm. latis apice appendiculatis, appendiculis linearibus apice acuto-obtusis ^ mm. longis 525~53^ mm. latis, basi brevissinie auriculatis. Styli ut floris foeminei. Achse- nium ellipsoideum utrinquc obtusissimum plus minus obliquum l-|mm. longum 1 mm. latum fusco-purpurasceus. HAB. Arisan, in rupibus rara, leg. U. FATJKIE, Dec. 1914, No. 1427. Near Chrysanthemum indicum, but differs from it in having more deeply laciniate leaves. Gerbera GROX. Gerbera integripetala HAYATA sp. nov. Folia radicalia circum basin scapi 5-6 disposita in ambitu oblonga 3cm. longa 18 mm. lata margine inferiore utroque latere profundc sinuata (sinibus circ. 1 cm. longis 3 mm. latis, margine leviter dentatis, dentibus brevissimis iuterdum ad aristam reductis apice breve aristatis, aristis a so 4mm. rcniotis), membranacea supra glabra snbtus molle albo-tomeiitosa apice acuta basi obtusa, petiolis 4cm. longis albo- lanuginoso-tomentosis basi gradatim dilatatis. Scapus simplex 15 cm. longus erectus rectus albo-lanuginosus versus apiccm 2-3-bracteatus, bracteis linearibus adpressis 6 mm. longis acuniinatis dorso costato-cariiiatis. Capitula simplicia erecta obconica 12mm. longa; bracteis involucri 2-seriatim dispositis, exterio- ribus minoribus erecto-linearibus 4mm. longis dorso costatis obtusis laiiuginosis interioribus longioribus linearibus rectis 7 mm. longis apicc truncatis 1 mm. latis. Florcs $ ligulares marginales 1-seriatim dispositi extus purpurei intus albi, tubo corollre 3 mm. longo, limbo lignliformi linear! 8 mm. longo apicc 28 EKICACE.E. truncate vel rarius obscure dentato glabro ; styli simplices ; setre pappi scabrida? ; achtenia liiicaria hirsuta. Fl. ^ : tubo corolla? 4 mm. longo glabro ; limbo f)-partito, partibus 2 distinctis, 3 connatis linearibus obtusis glabris deorsum rccurvis ; antlicrse lincares cum appendicibus et caudis 2£ mm. longse apice appendiculatse, appendicibus apicalibus lineari-oblongis £ mm. lougis obtusis, basi sagittate caudis simplicibus i mm. longis instructee ; filamcntis complanatis gla- l>ris. Stylus columnaris 6 mm. longus glaber apice 2-lobatus, lobis complanatis .subrotundatis stigmatosis, basi hand dilatatus ; stylophoruni iiullum. Discus annuliformis ^ mm. altus. Achsenium hirsutum maturum ignotum. HAB. Gokwanzan, leg. B. HAY ATA, April! . 21, 1916. Approaches to (+. Anandrla, but differs from it in having nearly entire corolla-lips of the marginal flowers, and in the pappus-hairs. Lactuca Lixx. Lactuca vercicolor Scn-Bir. ; MATSUM. et IFAYATA Ennui. PL Fornios. p. 212. The Japanese plant has pale white or very slightly purpurascent flowers, while the Forniosan has bright yellow ones. The two (Japanese and Formosa n) are, therefore, not exactly identical. The Formosan should be regarded as a variety of the Japanese species. Ericaceae. Rhododendron Lixx. Rhododendron Morii HAYATA Mater. Fl. Formos. p. 17:3, ct L-. PI. Formos. III. p. 139. Descriptio aucta : Flores ad apicem raniorurn 5-10 asi tubo corolla) connatis apiec subliberis intus plus minus hirsutis, authcris lineari-sagittiformibus 1^- mm. longis -J mm. latis apiee acuminatissimis basi sagittatis apice ad appendiculam membranaceam product-is. Discus 5-dentatus circum ovarium situs, dentibus triangularibus obtusis ^ mm. longis. Ovarium 2-partitum, stigmate breve stipitato conico ^ mm. longo, stipite ^ mm- longo toto glabro ; partitis ovarii depresso-giobosis | mm. longis apiee obtuso. truncatis. f HAB. Monte Suislia, leg. B. HAY AT A, ]\lai. 191G. Xear Anodendron Iccvc ; but differs from it in the much smaller yellow flowers. Loganiaeeas. Gardneria AVALL. Gardneria Shimadai HAYATA sp. iiov. Frutcx, ramis et ramulis tere- tibus subltevibus fuscciitibus, squamis triangularibus 2 mm. longis oppositis hac atque iliac instructis. Folia opposita (jugis a se 3 cm. remotis) lanceolata clmrtaeea 8^em.-llcm. longa 27-33 mm. lata apicc obtuso-acuminata vel triaiigulari-acuminata basi obtusa margiuc Lntegerrima tenuiter deorsum revurva utraque glabcrrima supra viridissima subtus pallidissinia, costa supra tenuiter elevata vel inipressa subtus tenuiter prominent!, vciiis latcralibus primariis ntroque latere costie 9-10 rectis a costa angulo 20-30° cgressis ad medium furcatiin ramosis utraque pagine tenuiter elevatis, petiolis 7 mm. lougis supra late sulcatis. Flores ignoti. Cyrnse fructiferre circ. 3 cm. longcC glabrte pauci- ramosse, fructus 1-2 gerentes. Bacca globosa in exsiccato iiigricans. HAB. Tikushizan, leg. Y. SimiADA, JNIart. 1915, (fructus). Xear Gardmria iiutaus >S. et Z., but differs from it in the much thicker leaves which are lanceolate and triangularly acuminate at the apex. GKXTIAXACE.E. BORAGIXE^. 31 Gentianacese. Swertia Lixx. Swertia Shintenensis HAYATA sp. nov. Hcrba annua 45cin. alta erecta nicdio sursum ramosa. Folia raclicalia ignota. Folia caulina opposita oblongo-ovata G cm. longa 3 cm. lata apice acuminata basi rotundato-cordata sessilia caulem seuii-amplectantia marginc integerrima crassiuscula glabra, venis primariis later- alibus paucis, venulis reticulatis ; fbliis ramonuu floriferoruni minutis lanccolatis 1 cm. longis 3 mm. latis apicc acuminatis basi attenuatis ramos semi-aniplectanti- bus oppositis glabris. Florcs latissime cymosi, podicellis 2-3 cm. longis. Calyx late campauulatus alto 4-lobatus, lobis semi-rotundato-triangularibns 4mm. longis totiusque latis apicc cuspidato-acutis vol acutis basi latissimis haud cou- tractis obscure trinorviis glabris integris. Corolla campanulata aitissimc 4-fida, tubo "1 mm. longo, scgmcntis oblongis 17 mm. longis 9 mm. latis apicc triangulari-acutis ad summum obtusis basi 3 mm. latis 5-iierviis vcl obscure multi-nerviis, venulis reticulatis glabris iiitus medio 1-maculatis, maculis obtuse quadrangularibus 4.1-") mm. longis 4 mm. latis. Stamina 5 e basi loborum corollte oriuuda, filamcntis dorso couiplanatis glabris linearibus 5—6 mm. longis basi latissimis 2 mm. latis sursum gradatim angustatis apice subulato-lincaribus distinctc l-ner\Tiis, aiitheris ovato-liuearibus 4| mm. lougis 2— 2| mm. latis apice obtusis basi alte 2-lobatis, lobis 2 mm. longis. Ovarium cum stipite 7 mm. longum obovoideum plus minus complanatum 4| mm. latum, stipite circ. 2mm. longo 3 mm. lato, stylo validissimo 4mm. longo columnari-coniformi basi 3 mm. lato sursum angustiore apice stigmate 2-partito coronato ; seg- mentis stio-matis ovatis 1.1 mm. longis 1 mm. latis lamelliformibus horizontaliter O *^ O dispositis. HAB. in monte SJiiiiten, 2400 ped. alt., leg. IT. FAUKIE, JSTov. 1914; (No. 1250). Xear Swertia Kuraiwai MAKIXO. Boraginese. Cor dia Lixx. Cordia Kanehirai HAYATA sp. nov. Frutex? llamuli fulvo-cinerascentes BORAGIXEJE. hirsuti. Folia chartacca lanceolato-ovata vel lanceolata 9-1 4 cm. longa 2^-6 cm. lata apiee acumiuata versus sumnium lineari-aciuninata basi acnta vel obtusa, eosta supra minus subtus plus clevata, veuis latcralibus primariis utroque latere costse 5-6 arcuatis ntraqne elevatis, venis secundariis ot venulis obscuris, mar- giue remote scrrulata vel subiutegra, serrulis a se 7 nun. reniotis apice intc- riore recur vis, utraque pagine hirsuta in cxsiccato supra fusca subtus pallidiora, pctiolis 7-20 mm. longis. Cymre terminales dense floratne dense brevissime hirsutre. Alabastrum floris : calyx-tubus cvlindricus 4mm. lono-us 21- mm. ^ * O & latus 10-sulcatus extus fulvo-hirsutus ; lobis 5 minutis setuliformibus interiore recurvis. C\>rolla staminaque ignota. Bacca? ellipsoidea 13 mm. longa 8 mm. lata 1-pyrena ; pyrenis oblique elliptic-is utriii(j_uc obtusis grosse obtuseque spinoso-tubcreulatis, tcstis crustaceis ; semina ignota. HAI?. Ivoshun : Kuraru, leg. 1\. IvAXEinrvA, Jan. ]1»14, (Xo. 7). Xear Cordia dunhif/iiuxi. Trigonotis 8rj:\r. Trigonotis elevato-venosa KAY ATA sp. nov. Herba humilis perennis cum pedunculis eirc. 15 cm. longa erecta gracillima hand vel pauce ramosa in exsieeato ferrugineo-hirsuta, stolonibus gracillimis 15-20 cm. longis. Folia radiealia longe petiolata ]v,'rfecte elliptica 2-2^ cm. longa 101-') mm. lata apice rotundata plus minus emarginata et ad centrum brevissime mncronata basi obtusa marginc integra vel crispato-undulata supra viridia hand nitida subtus pallida, eosta supra imprcssa snbtus clevata, venis supra elevatis sed subtus impressis, utraque pagine adpresse pubescentia, venis lateralibus 4—5 rcc;tis angulo 45° a eosta egressis per venam margiualem conjunetis, venis marginalibus a margine 1—2 mm. distantilms, petiolis longissimis o— 4 em. longis ; foliis stoloiiis minoribus breve petiolatis rotundatis 8 mm. longis. Canlis apice 2- ramosus vel simplex apice ad raccmos abcuus. Kaccuii graeiles 8 cm. longi reeti simplices vel rarius a basi furcatim nni-plo ramosi liirsuti, ramis simpli- cibus reetis erectis secundc floriferis, pedicellis hirsutis 2 mm. longis hand bracteatis. Calyx viridis 5-partitus, segmcntis obovato-spatlmlatis apice obtusis extus strigoso-hirsntis intns minute hirsutis l|-mm. longis -|-| mm. latis. Corolla alba rotata, tnbo glabro l|mm. longo 1| mm. la to basi truncato Jiaud eontracto, limbo 5-partito, segmcntis rotundatis basi plus minus cnneato- CONVOLVULACE.'E. 33 contraetis l^-inni. in diamctro glabris. Disci 5 ad basin loboriim corolUe affixi flavi pulvinifornies |- mm. lati % mm. longi orcm tubi fere obtegentes. Stamina 5, filameiitis filiformibus brevissimis |- mm. longis, antlieris oblongis ^-|- mm. longis. Ovarium obcoiiicnm apiee truncatum |- mm. longum glabrum stylo colnmniformi | mm. loiigo, stigmate globoso-peltiformi hand lobato • ovarium 4-5-partitnm. Nuculse 4-5 tetrahcdri-formes cire. 1 mm. longse nitido-nigne heves ad angulos acutse. HAB. Giran: Soseikyaku, leg. B. HAY ATA, Mai. 11, 1910. Remarkable for the leaves with costa impressed above but elevated below and veins elevated above but impressed below. Convolvulaceae. Parasitipomcea HAYATA n. g. Parasitipomaea formosana HAYATA sp. nov. Parasitica aphylla ; caulis tereto-filiformis circ. 1 m. longus 2-2 -|- mm. in diamctro. Flores cymose 2-3- congesti, cymis longc pedunculatis, pedunculis 10 cm. longis tereto-filiformibus lateraliter sitis, pedicellis -|-1 cm. longis basi bracteis instructis, bracteis linea- ribus 2 cm. longis 2 mm. latis apice acnminatis glabris vcl iiiulto minoribus. Calyx 5-partitus, partibus valdc irisequalibus 3-exterioribus latioribus oblono-o- linearibus 2| cm. longis 7 mm. latis apice acnminatissiniis integris cxtns tenniter hirsutis intns glabris, 2— interioribus angustissime lincaribus 2 mm. latis apice acuminatissimis. Corolla inftmdibnliformis, tnbo 4 cm. longo, limbo 5-lobato. Stamina 5; nlameiitis basi corollre ad 5 mm. altitudincm affix is basi dense barbatis caeterum glabris filiformibus circ. 2 cm. longis, antlieris lineari- bus 3|- mm. longis | mm. latis apice obtusis basi profnnde 2-lobatis, lobis circ. 1 mm. longis | mm. latis obtusis. Discus circum ovarium situs annuliformis ^ mm. altus. Ovarium ovoidcum 1|- mm. longum glabrum 3-locularc, loculis 2-ovnlifcris, stylo filiformi ercato recto 3 cm. longo, stigmate terminal! 2-partito, partibus globosis scssilibus se contactis minute lamellato-botryoideis. Fructus ignotus. HAB. Ako : Tanashu, leg. G. NAKAHARA, Jan. 1907. Flowers are nearly the same as those of Ipomcm. But, its parasitic and leafless habit is so remarkable that it is sufficient to establish a new genus for it. 34 SCROPHULARIACE^E. GESNERACE./E. Scrophulariaeeae. Microcarpcea R. BB. Microcarpaea muscosa R. BE. ; BENTH. Fl. Hongk. p. 253 ; HOOK. f. Fl. Brit. Ind. IV. p. 287 ; HEMSL. Ind. Fl. Sin. II. p. 192 ; MATSUM. et HAYATA Enum. PL Fornios. p. 283. Herba minutissima subaquatica repciis 3-4 cm. longa ad iiodos radicans. Catilis teres % mm. in diametro 1— nervatus glaber. Folia opposita glabra lineari-spathulata 2-3 mm. longa £ mm. lata apicc obtusissinia 1— nervia margine Integra basi attenuata caulem senii-amplec- taiitia. Florcs axillarcs scssilcs solitarii. Calyx crectus tubuloso-campanulatus 1 mm. longus £ mm. latns extus sparse birsutus intus glaber apice 5-lobatus, lobis ovato-linearibus £ mm. longis £ mm. latis obtusis basi hand contractis margine ciliolatis. Corolla inclusa 1 mm. longa £ mm. lata 2-labiata glabra margine minute ciliolata intus sub microscopio glanduloso-hirsuta, labio superiore niinuto \ mm. longo 2-lobato, lobis obtusis, labio inferiore majore -| mm. longo f mm. lato 3-lobato, lobo medio obloiigo-cuneato apicc truncato, lobis lateralibus oblongis apice obtusis. Stamina 2 inter lobum centralem et lobos latcrales labii infbrioris inserta e medio tubi oriunda, filamentis ^ mm. longis glabris, antheris reniformibus 2-locularibus. Ovarium oblonguui \ mm. longuni glabrum 2-loculare, stylo columniformi ^ mm. longo glabro apice oblique truncato stigmatifero. HAB. in oryzatis Tamsui, leg. U. FAURIE, Nov. 1914. Compared with a Japanese specimen so named in the Herbarium at Tokyo. Gesneraceae. Hhychoglossum BLUME. Rhychoglossum ? Sasakii HAYATA sp. iiov. Herba annua? basi ascendens radicaiis, radicibus fibrosis. Caulis erectus circ. 10 cm. longus crispato-hirsutus, pilis pateiitibus. Folia altcrna breve petiolata obliqua ovato- oblonga 6^ cm. longa 3 cm. lata apice acuta vel acuminata basi valde obliqua, latere inferiore rotundata vcl rotundato-cordata, laterc superiore cuueato-acuta, latere inferiore. 20mm. lato laterc superiore 12mm. lato, costa basi interiore VERBENACE.E. 35 leviter falcato-rccurva, margine subiiitegra vcl obscure crenulato-serrulata membranacea supra plus subtus minus hirsuta, pctiolis brcvissimis 3 mm. longis. Floras racemosi, racemis subsimplicibus se3imde florifcris, pecliccllis 3 mm. longis hirsutis. Calyx 4— partitus plus minus obliquus, segmentis ovato-oblougis 2| mm. A6ngis 2 mm. latis apice obtusissimis basi plus minus obliquis sparse hirsutis. Corolla oblique tubosa 9 mm. longa 3 mm. lata apicc 2— labiata, labio suporiorc late senii-rotuiidato 1 mm. lougo 2 mm. lato apice perfectc rotundato, labio iiifcriore 3|- mm. longo 4-4£ mm. lato 3-lobato, lobis lateralibus oblongis latcre exteriore 2 mm. longis latere interiore 1 mm. longis basi hand contractis, lobo terminali 2mm. longo l-|-mm. lato, extus glabra intus latere inferiore longe hirsuta, pilis superioribus circ. 1 mm. longis apicc globuliferis, pilis inferioribus hand globnliferis. Stamina 4 basi corollre affixa, nlaincntis 3 mm. longis basi glabris sursum hirsutis complanatis \ mm. latis apice spathulatis 1-ncrviis margine dense hirsutis ; antherrc uniloculares, loculis ad apiccm filanientorum oblique sitis ^-formibus cordato-reniforniibus latere exteriore fusco-hirsuto latere interiore glabro. Ovarium depresso-globosum li mm. longuni 2 mm. latum glabrum, stylo 1|- mm. longo columiiiformi apice dilatato 3-lobato. Discus ad latus anterius ovarii situs | mm. longus 1 mm. latus crenulatus. Capsula depresso-globosa 2^ mm. longa 3£ mm. lata membranacea. Scmina fusiformia rubescentia ^ mm. longa elegante tortuose striata, testa Crustacea. HAB. Urai, leg. S. SASAKI, Sept. 1915. As the specimens are too imperfect, the generic determination is rather conjectural. Verbenaeese. Callicarpa LINN. Callicarpa antacensis HAYATA sp. nov. Frutex? Kami subbeves palh'do-cinerasceiites, ramulis brevissime densissime villosis. Folia chartacea oblonga vel rhomboideo-oblonga 10-12 cm. longa 5-7 cm. lata apice acuta sed ad sumnium obtusa basi triangulari-acuta vel -obtusa margine subiiitegra vel teimiter serrulata paucissime hirsuta vel subglabrata glaiidulis minutis dispersa subtus dense vel parce stellato-tomentosa, pilis stellatis -^ mm. in diametro, costa supra tcnuiter subtus prouiinente elevata, venis lateralibus 36 ARLSTOLOCHIACE^. primariis utroque laterc costre 8-9 subrcctis vel plus minus recurvis supra tenuitcr subtus prominente elevatis, venulis inter venas transversis supra haud subtus distincte elevatis, pagine subtus pallidissima glandulis flavis minutis densisame conspcrsa, petiolis 7 mm. longis dense breve-quo stellato-toraeutosis. Cymoe ad axillas foliorum supcriorum sitre densissime floratoe brevissiine stellato-tomentosse, tomentis demum solutis, pcdicellis brevissimis supra basin artieulatis, partibus supra articulationem 1 mm. longis glabris apiee ad calycem abeuntibus. Calyx tubuloso-obconicus 1^ mm. longus totiusque latus apiee subtruncatus margine 4— 5-dentatus, dentibus brevissimis vel obscnris, cxtus glandulis minutis conspersus intus glaber. Corolla tubuloso-eampanulata 4|-5 mm. longa 2^ mm. lata generaliter 4-lobata, lobis subrotundatis 1^ mm. longis totmsque latis apiee rotundatis basi hand contractis, extus intusque glabra. Stamina 4 exserta, filamentis filiformibus glabris 4-5 mm. longis sub- crispatis supra basin eorolloe insertis, antheris elliptieis 2mm. longis 1mm. latis dorso valdc compressis apiee emarginatis basi cmarginato-sagittatis dorso facieque prope medium densissime glandulis minutis conspersis, hand versatlli- l)iis. Ovarium oblongum 1 mm. longum § mm. latum glandulis minutis densissime coiispersum, stylis 7-8 mm. longis filiformibus glabris apiee ad stig- mata dilatatis. HAB. Kotosho, leg. T. KAWAKAMI et S. SASAKI, Juli. 1912, fl. (No. 38). Near GaHicarpa cana Lixx. ; but differs from it in having obtusely serrulate leaves. i Aristoloehiaeeae. Aristolocliia Lixx. Aristolochia Shimadai HAYATA sp. nov. Herba volubilis basi suffru- tesccns. Caidis subglaber teres tortuosus nmlto-striato-sulcatus sursum pateuto- hirsutus. Folia alterna petiolata oblongo-reniformia circ. 10 cm. longa eire. 6 cm. lata, partibus superioribus oblongis 6 em. longis circ. 4 cm. latis apiee obtusissimis, partibus inferioribus reiiiformibus 4 cm. longis 5£ mm. latis, basi aurieulata, auricidis interiore recurvis (ab apiee petioli uscpie ad apieem auricula1 1| cm. longis 2 em. latis) margine subintegra 5-7— nervia ehartacea, nervis et venis venulis supra levitcr elevatis sul)tus valdc elevatis, supra minus subtus LAUEINE^E. 37 plus dense villosa, veimlis reticulatis, pctiolis circ. 3 em. longis villosis. Flores axillares solitarii, pedicellis 2-3 em. longis villosis inctlio 1-bracteatis, bractcis ovatis apiee obtusissimis basi latis pedicellum amplectantibus 5 mm. longis 4 mm. latis extus sericeo-villosis intus subglabris. Ovarium infertim subnutans densis- sime pateiitissime villosum (pilis 1 mm. longis) 8 mm. longnm 2 mm. latum profunde 6-sulcatnm 6-locularc, (locnlis 1 -seriatim ovuliferis), suleis £ mm. latis, angulis obtnsissimis in seetione rotuiidatis. Periaiithium u-formitcr recurvum extus minute brcvissime villosum simul longe hirsutum intus deorsum minute tuberculatum sursum glabrum Iseve, tubo U-formi 2 cm. longo c basi supra medium 6 mm. lato supra medium usque ad apicem angus- tato 3-4 mm. lato, limbo ad apieem tubi oblique vcrticaliter sito 1J cm. longo totiusque lato piano parce minuteque hirsute V~f°rmi eentro circum orem tubi oblique minute elevato-amiulato reticulato. Stamina 6 cum styli connata sessilia, antheris linearibus inter strias stigmatiferas styli geminatim sitis 2 mm. longis f mm. latis apicc brevissime apiculatis. Stylus columniformis crassus 3mm. longus cum antheris 1J -mm. crassus apice 3-lobatus supra antheras 1 mm. productus, lobis semi-rotuudatis 1 mm. longis l£ mm. latis. HAB. Shimpo, Shiiichikucho, leg. Y. SHIM ADA, Dec. 15, 1915. Near Aristolochia Kccmpfcri AViLLD., but distinguishable from it in much longer leaves and smaller flowers. Also resembles A. Fordiana HEMSL., but differs from it in having quite obtuse leaves. Laurineee. Seilscliiniedia NEES. Beilschmiedia erythrophloia HAYATA Ic. PL Formos. IV. p. 20 et V. p. 150. Descriptio aucta : Flores pallido-flavescentes laxe paniculati ; paniculis ad ramulos hornotiiios lateraliter vel axillariter dispositis divaricatis cum pcduiiculis 6 -8 cm. longis (pcdunculis 2-3 cm. longis), ramis panicularum patentissimis, pedicellis ultimis 5-10 mm. longis toto glabris. Perianthii tabus obconicus f mm. longus 1J mm. in diametro glaber, lobis 6 subtequalibus oblongis 2 mm. longis 1£ mm. latis apice obtusis basi vix vel hand contractis extus glabris intus glabris concavis margine vix ciliolatis vel hand ciliolatis. Stamina ordinis I. et II. requalia, fiamentis late linearibus | mm. longis -|- mm 38 THYMELJEACE.E. LORAXTHACEJE. latis complanatis, anthcris adnatis ovatis 2-locularibus | mm. longis apice obtusis introrsimi dehiscentibus ; stamina ordinis III. filamcntis plus minus hirsutis basi utroquc latcrc glandulis rotuiidatis ^ mm. longis totiusquc latis instructis, antheris clongato-ovatis f mm. latis ; ordinis IV. staniinodia sessilia rhomboidea acuta | mm. longaque lata. Ovarium ovoidcnm f mm. longum et latnni glabrum 1-loenlarc, stylo columniformi glabro 1 mm. longo apico truiicato stigmatoso. HAB. Baikci, ad 2000 ped. alt,, leg. B. HAYATA, Aprili. 1916. Thymelaeaceae. Wikstrcemia EXDL. Wikstrcemia mononectaria HAYATA Ic. PL Formos. Y. p. 179. Descriptio aucta : Fructus baccreformis ovoidcus cum stipitibus 6 mm. longus 3 mm. latus apicc angustatus ad sunimum obtusus basi attcnuatus ad stipiteni abeuns, stipitibus circ. 1^-2 mm. longis, monospermus. Semina ovoidoa 4mm. longa 2-2| mm. lata apice plus minus angustato-rostrata obtusa basi rotundata et brevissinic apiculata, testa Crustacea nigricanti laterc uno hilo notata, albumen carnosum sparsum. Embryo ampins; radicuda supra brevis 1mm. longa apice acutissima ; cotyledonibus ovatis 2^-3 mm. longis If mm. latis crassiusculis. HAB. Uraisha, leg. S. SASAKI, Sept. 1915, (fr.). Loranthaceae. Loraiithus Lixx. Loranthus liquidambaricolus HAYATA sp. nov. Frutex parasiticus ad truncos Liquidambaris incolus, ramis cineraseentibus minute lenticellatis. Folia crasse coriacea oblonga vel ovato-oblonga 7 cm. longa 4 cm. lata apice trimcato- rotuiidata basi acuta subito ad pctiolum abeuntia, costis et venis utraque pagiiie tenuissime elevatis gracillimis, petiolis 12 mm. longis subalatis hand sulcatis subteretibus. Cyma? latcrales 3-floratee. Tubus pcriantbii cylindricus 18 mm. longus 3 mm. latus basi truncatus medio sursuni gradatim angustior apice plus minus expansus, ab apice deorsum usque ad 5 mm. latere uno fissus extus brevissime hirsutus intus subglaber ; lobis 4 linearibus 6 mm. longis 1| mm. latis LOEAXTHACEJE. 39 apicc obtusis rotrorso fiexis tubo contactis apicc sursuni (interiore) recurvis valvatis crassiusculis basi hand contractis. Stamina 4 lobis pcrianthii opposita, filamentis totis cum tubo periantliii connatis ; anthcris sessilibus linearibus 4£ mm. longis f mm. latis apice acutis apicc 2-dentatis, (dcntibus triaiigularibus brevissimis), loculis linearibus a mcdio deorsum rccurvis subglabris. Stylus 23 mm. longus filiformis in sectionc pcntagonus glaber, stigmatc terminali coniformi. Fructus obconico-cylindricus 6 mm. longus 3 mm. in diamctro sectionis. HAB. Naiito : kyoshiryo, leg. T. SOMA, Nov. 1915, ad truncos Liquidam- baris formosancs crescens. Loranthus Owatarii HAY ATA in MATSUM. et HAYATA Enum. PL Formoe. p. 357. Dcscriptio aucta : Flores £ : lacteo-flavi patentissimi circuni nodos spicjB 4-glonieratim siti sessiles, bracteis triaiigularibus 1 mm. longis acutis transverse patentibus. Iiivolucruni cupuliforme 1 J mm. in diamctro f mm. longum margine sub lente minute denticulatum vel sub-integrum. Perianthii segmenta 6 patentissinia linearia oblanceolata 2£ mm. longa |- mm. lata apice obtusa vel truncata glabra Isevia distincta. Stamina 6 cum segmentis opposita, filamentis basi ad basin segmentorum adnatis sursum libcris 2-2|- mm. longis cum scgmcnto sequilongis glabris incrassatis, antheris oblongis adnatis apicc truncatis vel emarginatis 4-locularibus, loculis operculatini dehiscentibus. Rudi- mentum ovarii brevissimum margine 5-dentatum, stylo columnari 1^ mm. longo. HAB. Oiwake, ad 7500 ped. alt., ad truncos Qurci Morii, Aprili. 1916, leg. B. HAYATA. Viscum Lixx. Viscum Alni-formosanse HAYATA sp. nov. (Fig. 3.) Furcatim ramo- sissimum, raniis patentissimis teretibus rectis. Folia ad apicem ramuloruni oppositini sita oblongo-obovata 4— 5 cm. longa 12-1 8 mm. lata apice rotundata basi longe cuiieato-attenuata integra crassiuscule coriacea 3-5-nervia sessilia vel breve petiolata. Cymse teruiinales sessiles 5 rnm.-lO mm. longse ternatim decussatimque ramosse, floribus sessilibus cum rhachibus flavescentibus. Flores basilares utroquc latere bracteis acute triaiigularibus 1-1|- mm. longis margine aristato-serrulatis dorso carinatis crassiusculis glabris instruct!, laterales et 40 LORANTHACE^E. tcrminales hand bracteati, seel involucris crustacels instructi. Perianthium campanulatum 2|-3 mm. longum 3|— 4 mm. latum crassiusculum coriaceum glabrum ; tubo l£-2 mm. longo obconico, lobis rotuudato-triangularibus vel oblongo -triangulari- bus 2 mm. longis totiusque latis vel latioribus apice ex- teriore recurvis gla- bris ; antheris 3-4cum lobis perianthii op- positis et eos adnatis oblongis vel oblongo- linearibus 1|- 2 mm. longis facie multi- porosis ; rudimentum ovarii nulluni. Fl. ^ : sessiles vel brevissime stipitati ; , ovarium viride inferum ob- coiiieo-lineare 1-1 £ mm. longum 1 mm. latum glabrum ; peri- aiithium 4-partituni, seguientis oblongo- triangularibus glabris iiicrassatis coriaceis apice obtusis basi articulatim solutis ; stamina nnlla ; stylus Fig. 3, Viscum Alni-formosance HAY AT 4. a, b, pairs of male flowers; c, a bract; d, a male flower; e, section of the same; f, female flower-cluster ; g, a flower of the same ; h, the same, perianth off; i, section of ovary. globosus 1 mm. longus totiusque latus apice rotundatus stigmatosus. HAB. Musha : Tsutsujigaoka, ad 6000 ped. alt., ad Alnum formosanam crescens, leg. B. HAYATA, Aprili. 23, 1916. Approaches to Viscum album LINX., but differs from it in the male flowers EUPHOKBIACEJE. 41 which are usually in pair at the top of the branches, and in the much narrower perianth-segments of the same flowers. Viscum diospyrosicolum HAYATA Ic. PL Formos. V. p. 192. Des- criptio aucta : Juvenile foliiferum, foliis oppositis oblongo-obovatis l£ cm. longis 4^ mm. latis apice obtusissimis basi cuneatis margine integris chartaceis gkbris vcnis hand visis sessilibus. Fl. J : involucrum tcnuiter crustaceum cupuliforme margine obscure denticulatum. Perianthium eirc. ad basin 4-lobatum, lobis oblongo-triangularibus l^nim. longis frnrn. latis apice acutis basi hand contractis cras- siusculis leviter deorsuni reflexis extus minute sub lente botryoideo-tuberculatis glabris. Anthers 4 ad medium loborum periaiithii adnatse oblongre 5-6-poroste. Rudimentum ovarii nullum. Pscudofructus Fi9- 4» Viscum diospyrosicolum n- . ^ HAYATA; a. a male flower; b, an anther. ellipsoideus 4 J mm. longus 2 mm. latus apice obtusus ad centrum summi breve apiculatus Ia3vis. HAB. Kyoshiryo, leg. B. HAYATA, 2200 pcd. alt., Aprili. 1916, (fl. ' Euphorbiaeeae. Daphniphyllmn BLUME. Daphniphyllum membranaceum HAYATA sp. nov. Arbor, ramis et ramulis validiusculis cicatricibus foliorum notatis hand lenticellatis. Folia alterna versus apiccm ramulorum approximatim disposita longe petiolata oblongo-elliptica vel oblongo-lanceolata circ. 20 cm. longa 6 cm. lata apice acutissima vcl breve cuspidata basi obtusa margine subintegra supra nitida viridissima subtus glauca chartacea vel chartaceo-meinbranacea, costa supra plana vel tenuiter inipressa subtus prominenti, vcnis lateralibus primariis utroqne latere costse 15-20 rectis vel plus minus flexuosis hand arcuatis gracillimis utroque pagine tenuiter elevatis a costa angulo 45° egressis, petiolis circ. 5 cm. longis rectis supra sulcatis basi plus minus dilatatis. Racemi florum 2 versus apicem ramorum sub foliis supra cicatrices foliorum dis- positi gracillimi glabri erecti recti 12cm. longi laxissime floriferi, pedunculis 5-6 cm. longis, pedicellis gracillimis glabris 2 cm. longis divaricatissimis, bracteis 42 EUPHORBIACE^E. caducissimia hand visis. Flores ^ : periauthii segmenta interdum complete ad iiullum reducta, vcl interdum brevissima glaudulreformia 7-8 apice pcltato- truiicata ^ mm. longa totmsque lata distincta. Ovarium glabrum oblongum glabruni 2 mm. longuni apice ad stylum f mm. longuui attcnnatum basi obtusum, stigmate terminali subpeltato 2-fido, scgmentis latissimis | mm. longis subrotundatis ad apicem styli contactis, ovarium 2-loculare. HAB. Rankanzan, leg. B. HAYATA, Mai. 1916. Near D. macropodnm, but different from it in the much thinner leaves, in the more or less rostrate ovaries and nearly obsolete perianth-segments. Cyclostemon BLOIE. Cyclostemon hieranense HAY ATA sp. iiov. Arbor ? ramis et ramulis gracilibus, cortice cinerascenti, lenticellis albicantibns minntis elevatis. Folia alterna in cxsiccato pallido-cinerasceiitia tenuiter coriacea oblongo-clliptica vel oblongo-laiiceolata apice caudato-acuminata basi oblique acuta 12cm. louga 4cm. lata margine Integra tenuiter deorsum recurva plus minus margine c-rispato-uiidulata, costa utraquc elevata, venis venulis reticulatis supra minus subtus plus elevatis, venis primariis lateralibus utroquc latcrc costre 8—10 tenuissimis arcuatis prope margincm reticulatis, utraquc pagine glaberrima, pctiolis 8 mm. longis semiteretibus fusco-coloratis. Flores ad partes inferiores cfoliatas ramuroruni hornotinorum lateraliter siti ad nodos 2-3-fasciculati graciliter pedicellati, pedicellis filiformibus 1 cm. longis, bracteis flores 2-3 iiicludentibus caducissiniis rotundatis apice triaiigularibus 7 mm. longis 6 mm. latis dense ciliatis coriaceis valde concavis. Sepala 4 pateiitia rotuiidata glabra 4 mm. longa 3 mm. lata apice rotundata margine ciliata. Stamina 7-10 circum rudinientum ovarii disposita, filauientis glabris 1 £111111. longis, antheris oblongis utriuque emarginatis 1| mm. longis 1 mm. latis. Rudimentum ovarii plano- compressimi 2^ mm. in diauietro margine repaiido-laniellatum plicatuni. Fl. ^ ignoti. HAB. Hieranzau, leg. S. SASAKI, Feb. 1912. Near C. karapincnse ; but differs from it by the much more acuminate and thicker leaves. UETICACE^. 43 Urticaceae. Fleurya GAUDICH. Fleurya interrupta GAUD. ; MATSUM. et HAY ATA Enum. PL Formos. p. 381. Herba annua ? radicibus fibrosis. Caulis subteres 30-40 cm. longus sparse hirsutus. Folia altcrna petiolata triangulari-cordata membranacea 9-10 cm. longa 7-8 cm. lata apice triangulari-acuminata (acuminibus intcgris linearibus 1 cm. longis 3 mm. latis apicc acutis) basi late truncata vcl triincato-cordata marglne grossc scrrata, (serris sub-triangularibus 4 mm. longis 6 mm. latis apice acutis basi latissimis superioribus gradatim niiiioribus) margine brevissime ciliolata trinervia, ncrvis lateralibus extrorse 5-veiiiferis, venis ct nervis propc scrras furcatim ramosis, ramulis ad apiccm serrarum convergentibus, utraque sparse hirsuta, pctiolis 7-9 cm. longis gracillimis hirsutis vel snbglabris, stipulis 2 subaxillaribus lincari-filiformibus circ. 1 cm. longis basi 1 mm. latis apice filiformc acuminatis dorso prominente cariiiatis intus glabris cxtus liirsutis. Spicre a basi usque ad apicem caulis sitse axillares solitarise longe pedunculatse cum pedunculis 8-10 cm. longa?, (pcdunculis circ. 5 cm. longis gracillimis ascendentibus), paucc ramosa1, ramis spicje circ. 5 mm. lougis remote sitis. Flores ^ ad ramos spicro densissime cymose glomeratimquc dispositi, pedicellis subnullis vcl | mm. longis. Perianthium fructiferum oblique globoso-obconicum 1 mm. longum totiusque latum glabrum vcl sparse hirsutum ina5qualiter 4- lobatum, lobis subtriangularibus |- mm. latis ^ mm. longis margine deiiticulatis ; staminodia nulla. Styli ad apicem ovarii oblique siti a basi 2-partiti, parte una longiore filiformi | mm. longa rubcscenti descendeuto-recurva, parte una brevissima T1^ mm. longa vcl obsoleta. Achsenium valde complanatum tri- angular i-cordiforme 1^- mm. longum 1 mm. latum sublreve angustissime alatum, pericarpiis crnstaceis. HAB. Ako, leg. T. SOMA, Sept. 1913, (fr. ct ^). Pilea LINX. Pilea brevicornuta HAY ATA sp. nov. (Fig. 5.) Herba ; caulis basi procumbens ad nodos radicans, (radicibus fibrosis), sursum asccndciis erectus sursum foliatus liirsutus (pilis horizontalitcr patentibus ^ mm. longis) siuiul glanduloso-rubro-punctatis. Folia opposita (jugis a se 2 cm. distantibus), 44 URTICACEJE. longe petiolata ovato-oblonga vel ovato-lanceolata 4£ cm. longa 18 mm. lata apice acuminata basi triangulari-acuta vel obtusa margine basi apiceque excepto serrata (scrris asceiidentibus late triaiigularibus obtusis a se 3 mm. distautibus), trinervia, (nervis lateralibus ad apieem serrarum attingentibus), venis lateralibus primariis nervorum sub apicibus serrarum glandula singula calcarea terminatis, pagina supra cystolithis ^ mm. longis rectis conspersa subtus glabra, petiolis 6—7 mm. longis glabris supra sulcatis, stipulis intra-axillaribus castaneis meni- branaceis ovato-oblongis 4|- mm. longis 3 mm. latis apice obtusissimis basi caulem semi-amplcctaiitibus glabris. Flores monoecii vel dioecii. Fl. ^ cymosi, cymis solitariis vel geminatis axillaribus peduneulatis, pedunculis glabris l£-2cm. longis apice ramosis plus minus hirsutis ad iiodos bracteatis, bracteis oblongis 1 mm. longis apice erosis, pedicellis vdtimis f mm. longis. Pcrianthium rubesccns 4-lobatum, tubo obconico 1 mm. lato glabro, lobis oblongis 2 mm. longis 1-]- mm. latis apice cornuto-acutis glabris basi 11011 contractis iiitus plus minus concavis glabris. Stamina 4, filamentis 2 mm. longis lincaribus ^ mm. latis; antheris roseis, loc-ulis divaricatis. Rudimentum ovarii minutum setiforme. Flores ? cymosi, cymis brevioribus inferioribus quam iis floris ^, breve pedunculatis cum pedunculis |-cui. longis generaliter geminatim ad axillas foliorum sitis glabris bracteatis ramosissimis, floribus ad iiodos glomeratis bracteatis, bracteis oblongo-triangularibus basi pedicelli ultimi sitis ininutis ^ mm. longis, pedicellis ultimis ^— | mm. longis. Perianthmm fructiferum viride 3- partitum, segmentis inwqtiaUbus, postico longiore oblongo | mm. longo glabro intus concavo apice truncato vel obtusissimo, segmentis lateralibus ovato-tri- angularibus ^ mm. longis apice acutis intus valde concavis glabris ; rudimeuta staminum 3 crassiuscula | mm. longa Jl-forme recurva. Achsenium castaneum ovatum f mm. longum ^ mm. latum biconvexum apice obtusissimum basi con- Fig. S, Pllea l>revlcornutn HAYATA ; a, b, male flowers; c. a stamen; d, a female flower. UETICACE^E. 45 tractum, (stigmatc scssili infra apiccm ovarii latcre sito brcvissimc pectiiiato) rtibescens rubro-punctatum, poriearpio coriacco-crustacco. Scmina ovata utrinquc acuta, testa membranacea. Embryo ignotus. HAB. Mt. Arisan : inter Heishana ct Nimandaira, Mart. 1914, leg. B. HAYATA. Near Pilea umbrosa WEDD., but differs from it by the leaves which are usually acute at the base. Pilea funkikensis HAYATA sp. nov. Herba subsucculenta altissima erecta aggregatim abimdante crcscens. Caulis 60-200 cm. altus vel altior glabcr simplex hand rainosus subtetragonus 4 mm. crassus medio sursum foliatus erec-tus. Folia opposita (jngis a so 3-5 cm. rcmotis) longe petiolata in cxsiecato chartacea in vivo crassiuscula elongato-ovato-oblong-a vel elono-ato- c5 O O oblonga 12-1 4 em. longa 4|-5 cm. lata apiee breve caudato-acuta (acumini- bus 1 cm. longis) basi cuneato-obtusa obtusa vel rotundata margine tenuiter remoteque serrulata (serrulis ascendentibus ab apic-e ad apiccm 5 mm. distanti- bus) trinervia, nervis .supra impressis subtus elevatis, pagiiie supra dense subtus minus dense cystolithis vermiformibus conspersa, cystolithis ^-f mm. longis, petiolis 3-6 cm. longis glabris, stipulis intra-axillaribus non satis notis. Flores dioecii vel monceeii, (si moncecii tune infloresccntia3 floris foemiiici su- periorcs, inflorescentisc floris masculini inferiores). Flores toto cymosi, cymis axillaribus solitariis vel geniinatis. Cymie floris J : quani ea? fl. ^ longiores et plus expanse 3-5 cm. longo? 2-4 cm. lat?e sessiles vel breve pedunculate ramosissiuise glabriu ad iiodos glomeratini dense floriferaj ad nodos bracteatse, bracteis late triaiigularibus 1 mm. longis 1^- mm. latis apice obtusis basi hand contractis glabris ; flores 10-30 ad iiodos glomcrati sessiles basi 1-bracteati, bracteis oblongis 1-Jmm. longis § mm. latis vel minoribus apiee acutis glabris; alabastrum floris J obovoideum 1 £ mm. latum apice cornibus erectis brcvissi- mis scgmentorum breve apiculatum glabrum ; apertieutes levitcr rosei. Perianthium campaiiulatum, tubo 1 mm. in diamctro intus eupulffiformi, 4-lobatum, lobis oblongis 1 mm. longis | mm. latis apice minute inflexis tri- angulari-acutis basi hand eontractis intus valde concavis extus dorso infra apicem brevissime cornutis, cornibus erectis niinutissimis triangulari-acutis ; stamina 4 lobis perianthii opposita e basi loborum oriunda, filamentis lineari- 46 UKTICACE.T;. bus glabris 1^ mm. longis quam labo plus minus longioribus in alabastro inflexis, antheris oblongis dorso infra apiccm glandula singula •£ mm. longa rctrorse elevrata rtibra instructis ; mdimentum ovarii conicum minutissimum. Cymee floris ^ quam cte fl. £ breviores superiorcs 1-1 J cm. longre totiusque latre sessiles vcl breve pedunculate ; florcs ad iiodos densissirne glomerati ; pcri- aiithium achreniferum 2-4-partitum vel lobatum, segmentis Hnearibus vel quadrangularibus f-£ mm. longis margine erosis apice truncatis hand cornutis glabris ; rudimeiita staniinis 2 vel 4, filamentis ad millum reductis, antheris abortis scssilibus minutissimis quadrangularibns ^-^ mm. longis. Achteniuui oblongum plus minus obliquum IJmm. longum | mm. latum apice brevissime ct lateque apiculatum ad summum stigmate terminatum basi contraetum acutum brevissime stipitatum biconvexum complanatum Icntiformc l;eve minute rubro- puiiftatum, maturun ignotum ; embryo ignotus. HAB. J\It. Arisan : inter Toroven et Fimkiko, leg. B. HAY ATA ct TAKEO ITO, Mart. 1914; Nimandaira, leg. T. SOMA, Jan. 1915. Near Plica pctiolaris BLU^IK, but differs from it in having much longer and thicker leaves. Pilea kankaoensis HAY ATA sp. nov. Annua. (\iulis 15-25 cm. longus succulentus glaber dcorsum efoliatus sur.su m foliatus 5 nun. in diametro sec- tioiiis. Folia versus apiccm caulis oppositim disposita a se 3-2—1 cm. distantia longe petiolata ovato-oblonga vcl obovato-oblonga 2^-5 cm. longa l|-2|cm. lata apice caudata ad summum caudte obtusissima basi obtusissima rotundata vel truncata scd ad apicem petioli semper minute cordata .A.— formia margine integcrrima crassiuscula plus minus succulcuta supra fusco-viridia plus minus iridescentia supra cystolitJiis vermiformibus |-f mm. longis conspersa subtus in exsiccate- alveoli-forme elcvato-reticulata in vivo hand reticulata glaberrima 3— iiervia, nervis in exsiccate supra impressis subtus tenuissime elevatis gracillimis, nervo central! ad acumen ipsum extenso, nervis lateralibus a margine 2-3 mm. distaiitibus margini parallelis sursum gradatim evanescenti- bus, venis transverse dispositis tenuissimis ; pctiolis 2-3 cm. longis teretibus eystolithis conspersis, stipulis intra-axillaribus latere intcriore se connatis late triangularibus apice acutis vcl obtusis 1 mm. longis 2 mm. latis. Flores moncecii corymboso-paniculati ; paniculis ad folia superiora axillaribus cum URTICACE.E. 47 pedunculis 8-10 cm. longis, peduiiculis 6-7 cm. longis, ramis paniculse pedato- patcntibus glabris, rliachibus valde flexuosis glabris incrassatis ad nodos flores quasi-glomeratiin gerentibus. Fl. J : sessiles ; alabastrum obovoideo-globosum apice obtuse truncatum cornibus 4 brevissimis instructum basi obtusum ; flores apertieiites patentissimi, perianth!! lobis obloiigo-liiicaribus 1£ mm. longis 1 mm. latis apice acutis dorso sub apice brevissime cornutis utraque pagine glabris distincte 1-costatis ; stamina 4, lobis perianth!! opposita, filamentis ad ^ mm. periaiitliio adiiatis sursum liberis, partibus liberis 1 mm. longis cum lobis pcri- aiithii requilongis complanatis glabris inflexis, aiitheris ovatis apice emarginatis basi prof undo cordatis vcl profunde 2-lobatis 1 mm. longis. Fl. ^ : pedicelli -i-Jy mm. longi brevissimi basi 1-bracteati, bracteis triangulari-ovatis \ mm. longis obtusis vel breve 2-lobatis glabris ; perianthium 4-partitum, segmentis valde mrequalibus, uno majore erecto concavo crassiusculo, alteris lanceolatis tenuissimis hyalinis ^ mm. longis acumiiiatis ; staminodia nulla ; ovariuni obovoideo-ellipsoidcum stigmate excepto \ mm. longum glabrum 1-loculare 1-ovulatuin, ovulis ercctis, stigmate sessili pectinato-cristato ; achsenium oblique ovato-obloiigum apice obtusum plus minus recurvuin basi cuneato-acutum glabrum minus quam 1 mm. longum 4 mm. latum laterc plus minus com- planatum bicoiivexum, pcricarpio fulvescenti crustaceo. Semina ovoidea | mm. longa apice acuta basi rotimdata plus minus complanata Ire via glabra, testa meuibranacea ; albumen paucum ; embryo mediocrius subovatus -J mm. longus; radicula supra brevis dimidium cotyledonis in longitudiiie requaiis coniformis apice obtusa ; cotyledoncs late rotundatee latiores quam longse. HAB. Koslmn : Kankao, leg. Z. KOBAYASHI, Juli. 1907, fl. % (No. 5616); ibidem, leg. S. KAWAGOI, Oct. 1914, (fl. ^ ct fructus). Near P. lancifolla HOOK. f. Filea minute-pilosa HAYATA sp. uov. Herba subsucculenta liumilis 10-1 5 cm. alta. Caulis ercctus basi pauce ramosus a l)asi sursum foliatus glaber. Folia opposita parva elliptico-ovata vcl obloiiga maxima 5^ cm. longa 2 cm. lata apice caudato-acuminata (acuminibus 1 cm. longis ad summum obtusis) basi obtusissima vel rotundata ad extremitatem basis minute cordata •* — formia margine subintcgra vcl obscure minuteque crcnulata in exsiccato membranacea in vivo crassiuscula 3-nervia, iiervTis lateralibns cum margiue 48 URTJCACE^E. parallelis prope basin acuminis cvancscentibus, norvis supra imprcssis subtus elevatis, pagine supra (nervis excoptis) cystolithis minutissimis -/^-^ mm. longis densissime conspersa subtus toto glabra, petiolis maximis 1^ cm. longis teretibus glabris, stipulis triangularibus minntis axillaribus. Flores dioecii, masculini ignoti. Fl. foeminei cymosi, evmis gracilibus glabris ad folia supcriora axillari- bus pedimculatis cum pcdunculis 3-4 cm. longis ramosis ad nodos glomeratim floratis, ad nodos bracteatis, bractcis triangularibus minutissimis £ mm. longis obtusis ; flores brcvissimc pedicellati, pediccllis f mm. longis apicc peltato- dilatatis cum flore articulatis, peltis fulvo-flavis ; scgmenta perianthii miiiutissima ignota. Aehrenium fiisco-rubcscens ovatum obliquum complanatum lentiforme utrinque acutum muricatum. Semina conico-ovata apicc acuta basi rotundata com- planata | mm. longa ^f mm. lata, testa mcmbranacca castanca ; albumen paucum ; embryo conico-ovatus cornplanatus -|f mm. longus ^ mm. latus apicc acutus basi rotundatus ; radicula coniformi apicc acuta -^s mm. longa cotyledones in longitudinc tcquans ; cotyledonibus late rotundatis ^G5 mm. longis -/s mm. latis. HAB. Pokupokusha, leg. U. Mom, Jim. 1912. Differs from P. kankaoensis HAY., in Jiavimx smaller leaves with much 7 O smaller vcrmiformcd cystolithcs on the upper surface. Pilea ovatinucula HAYATA sp. nov. Hcrba subsucculenta 40-60 cm. longa glaberrima. Caulis erectus rectus sursum foliatus. Folia tenuissinie membranacca ovato-oblonga vel ovato-lanccolata; mcdioeria 11 cm. longa 4cm. lata apice acuminata, acuminibus linearibus 1J r cm. longis 1-2 mm. latis ad summnm obtusis, liasi semper obtusa margiue (basi acumincque intcgro excepto) serrulata, scrrulis asccndentibus obtusis a se 4 mm. reniotis brcvissimis, o-nervia, nervis supra tenuiter imprcssis subtus clevatis, iitraq_uc pagine cystolithis vermiformibus tV~i mm- longis minute cou- spersa, nervis lateralibus medio a margine 8 mm. distantibus cum margine subparallelis usque ad acumineni attingcntibus ct ibi evaiiescentibus, venis venulisquc transverse reticulatis, petiolis 1J— 3cm. longis teretibus glabris, stipulis intra-axillaribus triangulari-cuspidatis castaneis mcml^ranaceis. Flores dioecei. FL ^ : spicato-paiiiculati, paniculis axillaribus 10-13 cm. longis glabris gracilibus erectis ramosis, ramis patentissimis ; floribus secus rhachin spicatim glomeratim dispositis, bractcis minutis oblongo-triangularibus' glabris. UBTICACE.E. 49 Perianthium fructiferuin 3-partitum, segmentis inrequalibus, segmento pos- teriore longiore f mm. longo linear! dorso earinato intus concavo glabro, segmentis lateralibus ovato-triangularibus miiioribus glabris ; rudimenta stami- nuni 3 crassa linearia ^ mm. longa Jl-forme recurva. Achsenium elongato- oblongum f mm. longum bicovexum sublaeve basi apiceque obtusum, stigniatc apice ovarii oblique sito, pericarpio crustaceo ; testa seminis membranacea ; albumen paucum ; embryo ^ mm. longus. HAB. Mt. Arisan, leg. B. HAYATA, Jan. 1912. Distinguishable from P. rotundinucula by the oblong nutlets. Filea rotundinucula HAY ATA sp. nov. Rhizonia repens longum teres • caulis ascendens subereotus 30-60 em. longus glaber (subtetragonus ?). Folia opposite, in vivo herbaceo-crassiuscula in exsiccato rigido-chartacea lanceolate, vel oblanceolata longc petiolata, maxima 21 cm. longa 5 cm. lata apicc acumi- nate basi acuminate ad petiolum abeuntia niargiiie subintegra remotissime mucronibus instructa trinervia, nervis aiigulo acuto a se divaricatis basi usque 5 mm. eonjugatis, nervis lateralibus cum margine parallelis a niargine 1 cm. distantibus, nervis in exsiccato utraquc pagine elevatis, venis venulisque trans- verse reticulatis, utraque pagine cystolithis vermiformibus minuitissimis ^ mm. longis conspersa, petiolis 1-4 mm. longis subteretibus, stipulis intra-axillaribus ovato-triangularibus 1|- mm. longis 1 mm. latis castaneis membranaccis. Flores monoecii vel dioocii : si monoecii floribus foemineis superioribus quam iis mas- culinis. Fl. J cymosi, cymis axillaribus cum pednnculis 2-3 cm. longis glabris ramosissimis densiusculc floriferis, bracteis minutis ovato-triangularibus apice acutis vel obtusis, pedicellis ultiniis -J— 1 mm. longis glabris. Perianthium 4-lobatum glabrum, lobis glabris tenuibus 2 mm. longis 1^ mm. latis apice dorso brevissime globuloso-apiculatis haud carinatis. Stamina 4, lobis perianthii opposite, filamentis glabris linearibus 2 mm. loiigis ^ mm. latis, antheris cordi- formibus leviter latioribus quam longioribus apice basique 2— lobatis, loculis sursum arete coiitactis basi late divaricatis. Rudimentum ovarii setuloso- conicum glabrum miiiutissimum. Fl. £ cymosi, cymis superioribus glabris. Perianthium fructiferuni 3-partituui, segmentis 3 insequalibus glabris, segmento posteriore oblongo-lineari 1^ mm. longo glabro naviculiformi apice interiore recurvo dorso earinato intus concavo, segmentis lateralibus ovato- 50 URTICACKvE. triangular! bus § ram. longis £ mm. latis apiee acutis intus eoncavis dorso sub apiee globuloso-cornutis. Rudimenta staminum 3 crassa 1 mm. longa -| mm. lata Jl-forme recur va. Achsenium rotundatum 1 mm. in diametro apice basique oblique obtusum Iseve biconvexum, stigmate ad apicem ovarii plus minus oblique sito breve pectinate), pericarpio crustaceo. Somina rotundata § mm. longa, testa membranacea ; embryo ignotus. HAB. Mt. Arisan, prope Funkiko, Jan. 1912, leg. B. HAY ATA. Pilea Somai HAY ATA sp. nov. Herba ; caulis 50-60 em. alt us sursum plus minus recurvus supra sulcatus subglaber subsimplex. Folia opposita herbaceo-crassiuscula in exsiecato rigido-membranacea lineari-laneeolata maxima llcm. longa 2£cm. lata apiee acuminata basi subito euneato-attenuata ad petiolum abeuntia margiiie subintegra reuiotissime mucronibus instructs trinervia, nervis lateralibus cum margine parallelis ab ea 2 mm. distant! bus sursum prope apicem ad marginem attingentibus vel prope marginem evaues- centibus, venis utroque latere eostse numerosis transverse dispositis cum venulis transverse reticulatis, nervis lateralibus basi gradatim con verge uti bus cum costa ad petiolum abeuntibus, utraque pagina cystolithis vermiformibus l-^y mm. longis regulariter conspersa ; nervis supra hand elevatis liaud impressis subtus planis ; costa central! 1 mm. lata subtus cystolithis -£$-% mm. longis longitudi- naliter conspersa ; petiolis l-j-2 cm. longis supra sulcatis, stipulis intra-axillaribus singulis cuspidiformibus castaneis menibranaceis 1-^-mm. longis 2 mm. latis apice acutis. Flores dicccii. Fl. f eymosi, cymis axillaribus pedunculatis cum pedunculi.s 4cm. longis, pedunculis 2cm. glabris bracteis minutis. Perianthium fructiferum 3— partitum, segmentis inaequalibus, duobus minori- bus triangulari-rotundatis 1 mm. longis apiculatis valde eoncavis margine integris glabris, uno majore l^min. longo dorso carinato. Rudimenta staminum 3 segmentis perianthii opposita glabra 1 mm. longa crassiustmla Jl-forme recurvata. Achsenium rotuiidato-ovatum 1| mm. longum 1|- mm. latum complanatum biconvexum apice obtusum basi oblique coiitractum apice infra apicem latere stigmatiferum, stigmate brevissime pectinato, pericarpio crustaceo- coriaceo castaneo jninute rubro-punctato. Semina ovata apice acuminata basi truncato-rotundata IJmni. longa 4-| mm. lata glabra, testa membraiiacea ; albumen paiieum ; embryo circ. | mm. longus ; radicula coniea supra J mm. URTICACEJE. 51 longa ; cotyledpnibus late rotimdatis | nini. latis totiusque longis. HAB. Kusukusu, Jan. 1912, (fructus). Near P. smilacifolia AVEDD., (Hooic. f. Fl. Brit. Intl. V. p. 553). Pilea taitOGnsis HAY ATA sp. iiov. Herba subsucculenta 30-60 cm. longa ; caulis crcctns hand ramosus sursum approximatim foliatus glaber. Folia op- posita ovato-lanceolata vel oblongo-ovata interdnm vakle obliqua rarius sequalia 10-1 5 em. longa 4-6 em. lata apiec snbito aenminata candato-acumiiiata (aciuninibus 2 cm. longis ad summum obtusis faleato-recnrvis vcl rcctis) basi rotundata obtusa vel cuneato-obtusa sed ad extremitatem basis semper minute eordata J^-formia obliqua vel requalia margine iiitegra tenuitcr cartilaginco- niarginata vel grosse undulata 3-nervia, ncrvis latcralibns cum margine parallelis prope basin acuminis evanescentibus a margine 6 inni-1 em. distanti- bus, vcnulis transverse dispositis grosse reticulatis, pagiiie supra cystolithis miiintis eire. J mm. longis vermiformibus (nervis venis venulisquc exccptis) eonspersa, subtus glabra sed ad nervos cystolithis longitudinaliter dispositis cousjiersa, petiolis cystolithis longitudinaliter dispositis conspersis '|-^-plo laminam foliorum Eequantibus, stipulis axillaribus triangularibus breviori- bus. Floras dioeeii. Florcs J cymosi, cymis paiiiculiformibus ad axillas foliornm snperiorum dispositis cum pechmcnlis 5-13 em. longis gracilibus glabris laxe ramosis ad nodos braeteatis, (bracteis miiintis late triangularibus £ mm. lougis -^ mm. latis), pedunculis 3-7 cm. longis rectis erectis ; flores ad nodos glomeratim dispositi brevissime pedieellati glabri, pydieellis eirc. | mm. longis glabris apiee leviter dilatatis flavis cum flore articulatis. Perianthium glabruui 4-lobatum, tubo obconieo | mm. lougo totiusque lato, lobis oblongo- liuearibus 1^ mm. longis f mm. latis apiee obtusissimis apiee rotuiidatis vel obtusissimis dorso infra apieeui plus minus eallosis. Stamina 4, ad basin loborum sita, lilamentis glabris complauatis linearibus cum lobo tequilongis | mm. latis membranaceis multo fuseo-rubro-striatis, antheris Jl-formibus, loculis basi divaricatis, dorso infra apicem glandula singula instructis. HAB. Taito: Haroye, leg. Z. KOBAYASIII, Got. 1907, (Xo. 6008), fl. J, typus. Somewhat comparable with an Indian P. lane/folia HOOK. f. (Fl. Brit. Ind. V. p. 553), but, widely different from it in having quite entire and fleshy 52 URTICACEJE. leaves. Also near P. kankaoensis HAYATA, but distinguishable from it by the much larger oblique leaves and by the much longer and spreading panicles •with pedicellate flowers. The cystolithes on the surface of the leaves of P. taitoensis are much shorter than those of P. kankaoensis. Lecanthus WEDD. Lecanthus Sasaki! HAYATA sp. nov. Herba subsucculenta glabra ramosa. Cuulis glaber 30-40 cm. longus foliosissimus ramosus basi plus minus repens ad nodos radicans, ramis et ramulis gracilibus tenuibus repentibtis ad nodos radicantibus. Folia opposita longe petiolata membranacea oblongo- obovata maxima 11cm. longa minima 4cm. longa 22mm. lata apice caudata (caudis liucaribus 8 mm. longis 2-3 mm. latis apice acuminatis) basi cordata rotundata truncata vel triangulari-acuta margine prope basin et in cauda Integra creterum argute serrata, (serris mediis asceudentibus rotundatis triangularibus 3 mm. latis 2 mm. longis ab apice usque ad apicem 4 mm. dis- tantibus apice breve cuspidatis sed hand aristatis) margine tota sub lente minute brevissime ciliolata trinervia, ncrvis lateralibus cxtrorsum venuliferis, vcuulis arcuatis ad apicem serrarum attingeiitibiis, pills rigidis calcareis | mm. longis 2*g- mm. latis 3— cellularibus liberis prope marginem ad paginam superiorem sparsissime dispositis, pagina supra pilis ^ mm. longis densiuscule conspcrsa, subtus nervis venis exccptis glaljra, nervis et venis pilis liberis conspersis, petiolis laminam foliorum in longitudine -J-plo sequantibus intus sursum plus minus sulcatis glabris, stipulis scariosis tenuissimis niembranaceis subhyalinis axillaribus triangulari-ovatis 4 mm. longis 2^ mm. latis apice obtusis basi caulem semi- amplectantibus intus glabris margine ciliatis extus pilis liberis conspersis. Flores ^ capiculati, capitulis solitariter axillaribus subpeltiformibus l-|-cm. in diametro peduuculatis (pedunculis circ. 1 cm. longis glabris) bracteis 1-2- seriatim dispositis involucratis ; involucri braetese late triaiigulares glabrte apice acutrc versus apicem rubro-punctatse ; bracteolse vel paleic ad receptaculum minutse lanceolatse vel lineares 1 mm. longse ^ mm. latse glabrse acuminatissimse j flores sessiles vel pedicellati, (pedicellis 1-2 mm. longis crassis glabris). Peri- antliii fructiferi segmeiita 4 linearia l|mm. longa | mm. lata apice obtusa basi baud contracta utraque glalira dorso infra apicem brevissime cornuta, cornibus callosiformibus obtusissimis. Staminodia in flore fructifero 3 hvalina URTICACE.E. 53 crassissima lincaria 1^ mm. longa £ nun. lata cum segmcntis opposita apice triangular! obtusa Jl-formitcr recnrvata glabcrrima. Aclisenmni fusco-rubescehs ovoideum vcl cllipsoidcum 1 mm. longuni |~| mm. latum glabrum Ireve vel rninuto obscurcquc muriqatum utrinquc obtusum apicc stigmata minuto corona- tarn basi stipite -£-5 mm. longo stipitatam. Semiiiis testa fusco-rubescens niem- brauacea elegante minnteque tnbercnlato-punctata ; albumen paucum ; embryo ampins ovoidcus plus minus complanatus ; radicula obconica cotyledones in longitndine £-plo rcquans apice obtusa basi ad cotyleclones abcuns hand con- stricta. Lecanthus Wightii HAYATA Fl. Mont. Formos. p. 197, (non WEDD.). HAB. in montc Arisan, Jan. 1912, leg. B. HAYATA et S. SASAKI. Near Lecanthus Wightii WEDD., but distinguishable from it by the shortly tailed leaves. Pellionia GAUDICH. Fellionia arisanensis HAYATA sp. nov. (Fig. G.) Caul is basi procumbens ad nodos radicans tetragonus sursum ascendens dcnsissime brevissime hirsutus sursum foliatus. Folia alterna oblique ovato-oblonga vel oblonga circ. 3 cm. longa 1 cm. lata apice caudato-acuminata ad summum obtuso-acuta basi valde obliqua laterc superiore obtusa fracta latcre inferiorc minute cordata vel rotundata vel subauriculata marginc basi apice exceptis acute serrata, scrris ascendentibns acutis utroque latcre 4-5 a se rcmotis, pagine utraquc subglabra ; petiolis 3 mm. longis, stipulis singulis extra-axillaribus sctiformibus latcre superiore caulis sitis. Flores moncecii vel dioacii ; florcs masculini cymosi, cymis ad folia supcriora solitariter axillaribus cum pedunculis 1-|— 2 cm. longis 1-2 cm. latis (pedunculis circ. 1 cm. longis basi bracteis minutis 2-3 instructis apice dense floriferis) sul) lente minute hirsutis versus apicem ramosissimis, ramis hirsutis, pedicellis ultimis glabris 1-1 1- mm. longis basi bracteis singulis instructis, bracteis liiieari-lanceolatis 3 mm. longis |- mm. latis apicc acutis utraque pagine glabris basi hand contractis dorso infra apicem cornu singulo instructis, coriiibus latcre complauatis ^ mm. longis triangularibus dorso plus minus carinatis; pedicellis persistentibus apice cum flore caducissimo articulatis. Alabastrum floris subglobosum versus apicem 5-cornutum glabrum. Fl. £ : periaiithium floris apertientis 5-fidum 4 mm. in diametro pallidum extus viridescens intus album, tubo brevi 1 mm. in diametro, lobis patciitissimis 54 UETICACEJE. 5, 3 interioribus latioribus oblongis 2£mui. kmgis H vel If mm. latis apicc obtusissimis vcl truncatis vel acutis basi baud coiitractis margine crosis concavis dorso mcdio tenuiter carinatis infra apicem supra medium dorso 1-coriiutis, cornibus 1 mm. longis latero complanatis deorsum recurvis imciformibus, lobis 2 ex- terioribus angustioribus spathulato- Hnearibus 2 mm. longis 1 mm. latis apicc truncatis vel obtusissimis vel acutis infra apicem l-cornutis. Stamina 5 lobis pcriantlni opposite, filamcntis basi loborum affixi.s libcris ! i . •• .-. . ,, Ficr. 6, Pellionia aris/iiiensls HAVATA ; n, a o-labris et us sequilongis, antheris male flower ; b, the same, seen from back ; c, a ^-formibus albis, loculis oblongo- female flower. lincaribus 1 mm. longis apice se contactis basi in angulo 30°- -45° divaricatis. Rudimentum ovarii nullum. Flores fcemiiici dcnsissimc cyniosi ; cymse subcapituliformes patelliformes bracteis lincaribus oblongis 1-2 mm. longis i-l mm. latis niultis involucratse circ. 5 mm. in diamctro oo-floratse subscssilcs vcl brevissimc pedunculate (pcdunculis 1 mm. longis brevissime hirsutis) ; cvmis ramosissimis; ramis brcvissimis, pedicellis ultimis i mm. longis vel iiullis glabris. Periaiithium 4-5-fidum, segmcutis 2-exterioribus minoribus 3-interi- oribus majoribus totis crci-tis apertientibus, exterioribus linearibus ^ mm. longis -^ mm. latis apice acutis vcl obtusis concavis erectis rectis glabris dorso hand carinatis, intcrioribus 2-3 plus minus lougioribus lincaribus apice acutis vel obtusis valde coucavis dorso infra apicem longissiine cornutis, cornibus circ. 1 mm. longis teretibus viridibus. Rudimenta stamiuum 5 minutissima pulvini- formia. Ovarium ellipsoidcum | mm. longum glabrum utrinque obtusum, stigmatc sessili pectinato-peiiicillato. Fructus ignotus. HAIJ. Mt. Arisan, leg. B. HAY ATA, inter Heishana et Nimandaira, Mart. 1914. URTICACEJE. 55 Near Pellionia radicans WEDD. ; but distinguishable from it in the much narrower leaves. Pellionia okinawensis HAYATA sp. nov. Ilerba basi procambens ad iiodos radicans, radicibus fibrosis filiformibus, sursum ascendcns. Caulis circ. 20 cm. longus hand ramosus vel rarius pauci-ramosus dense brevissimeque hirsutus (pilis retrorsc recurvis brevissimis •£%—/-$ mm. longis) sursum foliatus. Folia alterna brcvissime petiolata dorsiveiitraliter disposita ovata vcl obloiigo- ovata 2£-3|- cm. longa 13-16 mm. lata apice recto-elongato-triangularia ad summum obtusissima basi valde obliqua laterc inferiore valde rotundata vel aiiguste cordata auriculiformia latcre superiore recto-cuneata ad cxtremitatem basis obtusa marginc hand ciliolata grosse serrata, (serris subcreniformibus asceiidentibus obscure aristatis a sinibus mediis ad sinus proximos 6 mm. longis), haud trinervia, venis primariis lateralibus ntroque latere costae 3—4 basi rectis medio subito arcuatis cum iis superioribus junctis, venulis prope apiceni serrarum evanescentibus haud attingentibus, costis venis venulisque supra haud elevatis haud impressis subtus leviter elevatis, pagina supra sub- glabra, subtus venis venulis sparse hirsutis exceptis glabra, petiolis 2-3 mm. longis minutissime hirsutis, stipulis extra-axillaribus singulis linearibus 1|- mm. longis acuminatis crassiusculis facie dorsali caulis sitis. Flores dense cymose dispositi ; cyuise densissime floriferne subcapituliformes sed haud involucratse in ambitu rotuiidat?e 5-6 mm. in diametro solitaries pedunculate, (pedunculis 5 mm. -10 mni. longis dense brevissime pilosis, pilis ^ mm. longis descendento- patentibus) ; floribus pedicellatis, pedicellis | mm. longis glabris basi bracteatis et bracteolatis, bracteis linearibus 3 mm. longis acutis intus glabris extus paucissinie hirsutis, bracteolis angustissimis. Perianthii fructiferi segnienta 5, angustissime linearia erecta, 2-exterioribus minoribus, 3-interioribus niajori- bus ; cxterioribus 1-1^ mm. longis apice acuminatis £ mm. latis . glabris dorso haud cornutis margine minute remoteque glanduloso-ciliolatis ; interioribus dorso infra apiceni longe cornutis, cornibus teretibus liuearibus 1 mm. longis ^ mm. latis. Rudimeiita staniiiium 5 minuta iiiconspicua linearia ^ mm. longa y^-foruie recurva. Achsenium ellipsoideum l-£ mm. loiigum | mm. latuni apice obtusissiuium basi subito acutum brevissime stipitatum prominente lx)trioideo-tuberculatimi, (tuberculis apice rubro-maculatis -/j mm. longis totius- 56 URTICACE.E. que latis latere complauatis) ; testa seminis membranacea fusco-rubescens ; albumen paucum ; embryo ampins dorso complaiiatus ; radicula obconica ad cotyledones abeuns. HAB. Okinawa, leg. Y. TASHIRO, Mart. 1889. Near P. arlsanensis HAYATA, but distinguishable from it by the not caudate leaves, and by the pedunculate female inflorescence. Pellionia trilobulata HAYATA Mater. Fl. Formos. p. 280. Descriptio aucta : — Flores dioecii. Fl. J : dense cymosi ; cynue subcapiculiformes bracteis involucratfe pedunculate axillares solitarise, pedunculis 6 mm. longis glabris erectis ; bracteis inferioribus oppositis ovatis 3 mm. longis apice obtusis intus glabris cxtus hirsutis dorso carinatis (carinis sub apice ad coriiueni productis, cornibus -£ mm. longis obtusis) basi cum iis oppositis connatis margine ciliatis. Flores apertientes pedicillati, pedicellis l£ mm. longis apice cum flore arti- culatis. Perianthium : tubo breve obconico ^ mm. longo 1 J mm. in diametro, limbo 4-partito, partibus 2 exterioribus leviter minoribus oblongis 2 mm. longis 1 J mm. latis apice obtusis basi contractis margine integris valde concavis dorso carinatis sub apice eornutis, cornibus circ. 1 mm. longis erectis vel interiore uncinato-recurvis, extus sparse hirsutis, partibus 2 interioribus leviter majoribus cum exterioribus conformibus sed margine sub microscopio minute erosis dorso carinatis cornutis. Stamina 4 segmentis perianthii opposita, fila- mentis basi segmentorum oriundis ad 1 mm. cum segmentis connatis cseterum liberis linearibus vittseformibus 2 mm. longis |- mm. latis valde complanatis glabris, antheris 2-locularibus, loculis linearibus 1 mm. longis \ mm. latis apice contactis cfeterum separatis div^ergentibus interiore alatis. Rudimentum ovarii nullum. HAB. inter Heishana et Nimaudaira, leg. B. HAYATA, April. 1914, (fl. l\ Pellionia Tashiroi HAYATA sp. nov. Herba liumilis basi procumbens ad nodos radicifera sursuui ascendeus, partibus ascendeiitibus 6-7 cm. longis. Caulis pauci-raniosus densissime brevissimeque hirsutus stirsum foliatus. Folia alterna ovato-oblonga vel oblouga 1 J cm. longa 1 cm. lata apice obtusa basi valde obliqua latere superiore obtusa plus minus fracta latere inferiore uu'nute cordata vel rotunda ta, in latere inferiore latiora quani in latere superiore, pagina UETICACEJE. 57 supra subglabra pilis calcarcis circ. f mm. longis sparsissime coiispersa subtus venis nervis sparse hirsutis exceptis glabra margine crcnato-serrata, scrris ascendentibus ntroque latcro 4-5 obtusissimis hand ciliatis, petiolis 1-2 mm. longis, stipulis singulis cxtra-axillaribus linearibns 1 nim. longis setiformibus glabris latere superiore caulis sitis. Flores dioecii. Flores foaminei ad axillas dense fasciculati, fasciculis capituliformibus snbsessilibus vel brevissime pedun- culatis (pecluncnlis 1 mm. longis) 2 mm. in diametro bracteis niultis involu- cratis; bracteis laiiceolatis 1 mm. longis ^ mm. latis acuminatis intus glabris basi plus minus contractis extus glabris patentibus ; bracteis inter flores cum iis involucri seqiiiforrnibus ; bracteolis floris minoribus ; flores brevissime pedicellati vel sessiles. Segmenta perianthii 5, 3— majoribus, 2-minoribus ; minoribus ^-mm. longis lineari bus hand eornutis ; majoribus dorso infra apicem cornutis cum cornibus | mm. longis. Ovarium miiiutissinium, stigmate termi- nal! pectinato-peiiicillato. HAB. Loochoo, leg. Y. TASHIEO, Mart. 1887. Remarkable for the smaller heads of the female flowers. Elatostema FOEST. Elatostema herbaceifolia HAYATA sp. nov. Hcrba tennis gracilis 50-60 cni. longa. Canlis gracillimus scandens glaber sursum remote foliatus. Folia alterna remote disposita teiiuiter uienibranacea obovato-laiiceolata vel ovato-lanceolata maxima 14cm. longa 4cm. lata apice caudato-acuminata, (acuminibus lineari bus 3£ cm. longis medio 4 mm. latis integris) basi obliqua obtusa latere superiore recto-angusto-cuneata, latere inferiore rotundata vel obtusa, latere superiore medio 16 mm. lato, latere inferiore medio 24 mm. lato, margine basi acuminequc excepto grosse serrata (serris late triaiigulari-acutis apice subobtusis breve cuspidiformibus 9 mm. latis 2^ mm. longis ascendentibus) venis nervisque tenuissimis, pagine supra pilis liberis f mm. longis sparsissime cystolithis £ mm. longis vermiformibus toto regulariter coiispersa, pagina subtus haud lepidota sed cystolithis vermiformibus coiispersa, pilis liberis iiullis, petiolis brevissimis 2 mm. longis, stipulis caducissimis laiiceolatis uicm- branaceis 4 mm. longis acutis gemmani iiivolveiitibus demum deciduis. Flores dioecii. Fl. f : dense capitulati, capitulis axillaribus solitariis peltiformibus densissinie brevissime villosis peduiiculatis, peduiiculis 2 mm. longis, receptaculis 58 URTICACEJE. capituli peltiformibus rotundatis 7-8 mm. in diametro supra leviter convexis subtus leviter concavis marginc bracteis exterioribus 5 majoribus linearibus 2 mm. longis et interioribus linearibus minoribus ^ mm. longis mtiltis involncratis ; palese inter flores densissime dispositee lineari-spathulatse %-± mm. loiiga? ^-^ mm. latse apicc truncats? et dense piloso-setulosse ; flores brevissinie peclicellati, pedicellis -^ mm. longis glabris ; perianthium fl. t minutum •£$ mm. longum yL mm. latum 3-4-lobatum, lobis linearibus. Ovarium ovoideum \ mm. longum, stigmatc sessile pectinate. HAB. Formosa, loco non indieato : Description above given is drawn from premature flowers. It is desirable to repeat the description when perfect materials are collected. Near Elatostcma lineolatum WIGHT, but distinguishable from it in having much thinner leaves and quite glabrous branches. Elatostema lineolatum WIGHT var. major THW. ; MATSUM. et HAYATA Enum. PL Formos. p. 384. Herbaceo-suffrutcsceiis 60 cm. altus, ramis et ramulis terctibus fuscentibus densissime brevissiine hirsutis (pilis transverse patentibus vel desccndentibus) sursum foliatis. Folia altcrna obovato-lancco- lata vel oblanceolata membranacea sessilia vel brevissiine petiolata G-10 cm. longa 2-3 cm. lata apicc caudato-acumiiiata (acuminibus 1—2^- cm. longis basi 4 mm. latis ad summum aristato-acumiiiatis) basi plus minus obliqua recto- cuneato-acuminata ad extreniitatem obtusa margine medio deorsum Integra medio sursum grosse serrata, (serris latere superiore 2-3 latcre inferiore 5, triangulari-acutis apice breve cuspidatis), vein's lateralibus primariis utroque latere costte 4-5 a costa angulo acuto egressis, costis venisquc supra planis subtus clevatis, pagine supra pilis liberis f mm. lougis et cystolithis brevissimis -£ mm. longis vermiformibus conspersa, pagina subtus ad vcnas nervosq_ue pilis liberis hirsuta, petiolis brevissimis 2 mm. lougis adpresse hirsutis vel subnullis, stipulis linearibus 7 mm. longis singulis 1 mm. latis apice acuminatis aristatis hirsutis castaneis niembranaceis extra-axillaribus latere superiore caulis sitis. Flores dioscii. Fl. ^ : ad axillas foliorum fasciculati ; fasciculi solitarii basi bracteis castaneis 3-4 lanceolatis 1-2 mm. longis medio carinatis acuminatis margine ciliatis instruct]' capituli formes peltiformes 6 mm. in diametro bracteis 4-5 exterioribus majoribus involucrati, bracteis involucralibus majoribus plus minus connatis late ovatis 2 mm. latis toti usque longis apice obtusis vel acutis URTICACE^. 59 dorso cxtus dense liirsutis intus glaberrimis, interioribus minoribus ; bractese inter flores (vel paleic) in forma variabillimse lineares obovatte vel oblongse vel spathulatie intus glabrrc extns apicc dense pilosse circ. 2 mm. longre ; pedi- cellis 2uim. longis apiec cum flore articnlatis glabris. Perianthium 4-lobatum, tubo brevissimo, lobis lineari-oblongis 1^ mm. longis H mm. latis apice obtusis cxtus dorso sub apicem breve cornutis basi hand contractis intus glabris extus versus apicem longe pilosis. Stamina 4 cuni lobis perianthii opposita, filamentis a basi loborum liberis 2 mm. longis. Rudimentum ovarii glabrum minntum vel subnullum. HAB. Mt. Arisan, leg. B. HAYATA, Jan. 1912. Elatostema microcephalantha HAYATA sp. uov. Herba. Caulis basi rcpens radicans sursuin ascendens 10-20 cm. longus breve hirsntus (pib's adpresso-ascendeiitibus circ. I mm. longis), sursum foliatus, partibus caulis foliiferis plus minus flexuosis. Folia altcrna herbaceo-niembrauacea a se |— 1 cm. reiiiota ovata valde obliqua 2 cm. longa 13-14 mm. lata apice obtusa basi valde obliqua laterc supcrioro cimeato-obtusa in laterc inferiore rotundata vel rotuudato-cordata mcdio laterc superiore 5 mm. lata in latere inferiore 8 mm. lata niargiue partibus basilaribus cxceptis grosse serrata, serris ascendentibus apice rotundatis vel obtusissimis mediis a se (ab sinii ad sinus) 5 mm. distantibus basi 5 mm. latis 3 mm. longis, subtrinervia vel obscure trinervia, iiervis cum vcnis grossissimc reticulatis, nervis venisque supra valde impressis subtus elevatis, venis ad apicem scrrarum attingentibus, pagina supra niarginibns exceptis glabra, marginc ciliolata, pagina subtus sparsissimc hirsuta, petiolis brevissimis 1 mm. longis liirsutis supra sulcatis, stipulis dimorphis, altcris extra-petiolaribus linearibus apice acutis 1-J mm. longis -^ mm. latis crassiuscnlis extus liirsutis intus glabris, alteris iiitra-petiolaribus triangulari-oblongis -| mm. longis i mm. latis acutis membranaceis subglabris. Flores f eapitulati, capitulis solitariis axillaribus peltiforinibus 3-4 mm. in diametro peduncnlatis, pedmiculis 2-3 mm. longis glabris. Involucruni subpeltiforme marginc bracteis circ. 3-seriatim dispositis involucratum, bracteis exterioribus 5 latioribus oblongo-triangularibus acutis vel obtusis 1 mm. longis margine setulosis ntraque pagine glabris, interi- oribus gradatim angustioribus, intimis linearibus apice rnargmeque setulosis, bracteolis vel paleis inter flores sitis spathulatis circ. 1 mm. longis -?- mm. latis 60 UKTICACEJ-:. apice obtusis margiue apiceque setulosis intus glabris extus dorso versus apicem plus minus setulosis deorsum glabris interdum valde angustatis lincari-filiformi- bus. Capitula um'scxualia ; receptaculum subplanum glabrum ; floras pedicellati, pedicellis glabris |- mm. longis |- mm. crassis crassiusculis. Fl. ^ minutissimi -J mm. in diametro : segmenta 3 triangularia vel linearia circ. £ mm. longa versus apicem rubro-puiictata ; staminodia 3 segmentis perianthii opposite, TJ-J mm. longa |— -g- mm. lata linearia vermiformia Jl— forme re^urva infra achrenium insita. Achsenium ovoideo-ellipsoideum f mm. lougum | mm. latuni apice obtusum ad summum stigmate penicillato miiiuto coronatum basi acutum stipite minute •£% mm. lougo obconico stipitatuni sublteve vel minute tubcrculatum haud cchinatuni haud muricatum. Semina ovoideo-ellipsoidea ; testa membranacea ; albumen nullum ; embryo amplus haud vel vix compla- natus elliptico-obovoideus ; radicula supra coniformi basi gradatim ad cotyledones abeuns eotyledoues in longitudine -4— plo tequans ; cotyledones crassse oblongse. HAB. Mt. Arisan, leg. B. HAYATA, Jan. 1912. From the position of the seed and embryo, it is justly considered that the ovules are erect and ortho- tropous. Near Elatostema sessile, but differs from it by the smaller leaves. Elatostema minutum HAYATA (Fig. 7) Fl. Mont. Forums, p. 198 t. 36. Descriptio aucta : — Fl. J : cymosi, cyuiis axillaribus solitariis glabris eapituli- formibus breve pcdunculatis, pedunculis 1 mm. lougis basi minute bracteatis ; < -vim's 6-floratis rarius 10-floratis bracteis et bracteolis involucratis, bracteis ordinis I. late rotundatis 2 mm. longis totiusque latis apice rotundatis infra apicem dorso brevissime cornuto-apiculatis margine minute ciliolatis utraque pagiue glabris valde concavis ; bracteis ordiuis II. obloiigo-naviculiformibus 2 mm. longis explicato totiusque latis apice 2-lobatis vel rotundatis dorso apice hirsutis margine apice ciliolatis deorsum haud ciliolatis intus glaberrimis, bracteis ordinis III. (vel bracteolis) obovato-cuneatis 2 mm. longis 1 mm. latis apice rotundatis f[ latissiniis leviter 2-lobatis apice maro-ine Fig. 7, Elatostema minutum HAYATA ; ciliolatis creteruui haud ciliolatis ; podicellis a diagram of a male inflorescence. florum 1|- mm. longis glabris haud braeteatis. Perianthii lobi 5, lobis obovato- JUGLANDACEvE. 61 liuearibus 1 mm. lougis | mm. latis apicc rotuiidatis ciliatis vcl hand ciliatis intus concavis vel hand concavis dorso infra apiccm cornutis vcl hand cornutis. Stamina 5 cum lobis perianth! i opposita, filamcntis liuearibus 1|- mm. longis dorso complanatis, antheris ovato-oblongis ^ mm. lougis. Rudimcntum ovarii 0. HAB. Arisan, 2500m. alt., Jnni. 1914, U. FAURIE, (No. 612). Chamabaina AVIGHT. Chamabaina Morii HAYATA Mater. Fl. Formos. p. 282. Dcscriptio aucta : Flores dio?cii. Fl. ^ : ad nodes ad axillas stipularum fasciculati bre- vissimc pedicellati, pedicel! is -£ mm. lougis basi bractcatis, bracteis ovato-oblongis f mm. longis | mm. lati.s apice obtusis intus glabris extus hirsutis castaneis apicc setulis 2-3 instructis membranaceis, bracteolis lanceolate f mm. longis extus hirsutis. Perianthium qbovoideo-urceolatum | mm. longum I mm. latum apice valcle contractum brevissime rostratum ore 2— 3— lobatuin vel elobatum extus sctuloso-lu'rsutum intus fflabrum basi obtusum. Stammodia toto obsoleta. O Ovarium ellipsoideum cum rostris | mm. longum ^ mm. latum, rostro (vel stylo) | mm. longo apicc peltatim dilatato, pelta (vel stigmate) margine longe fimbriata. Achaenium maturum perianthio complete obtectum oblonguni biconvexum | mm. longum | mm. latum rubescens nitiduni apice latere uiio prominente latere uno minus cariiiatum apice breve stylo brevissimo apiculatuni basi obtusum, pericarpio crustacco. Seminis testa membranacea ; albumen paucum; embryo f mm. longus ; radicula olilougo-conica ; cotylcdonibus oblongis. HAB. Mt. Hanpofukuzan, leg. T. SOMA, Dec. 1914, fr. Juglandacese. EnyeUiardtia LESCH. Engelhardtia formosana HAYATA n. n. Engdhardtw spicata BLUME var. formosana HAYATA Fl. Mont, Formos. p. 199. Descriptio aucta: Flores monoecii. Fl. J : spicato-paniculati, paniculis tcrminalibus pauci-raniosis, ramis simplicibus circ. 10 cm. longis gracillimis recurvo-cornutis spicatim flori- geris, rhachibus dense lepidotis, lepidibus rotuiidatis ¥\ mm. in dianietro medio rotundato-elevatis margine integris, pedicellis subnullis, bracteis nullis, floribus a se 2-3 mm. remotis. Periantliimn 3-4-partitum, partibus apicc margineque 62 CDPULIFERyE. valdc concavo-recurvis sacciformc globosis 1^- mm. in diamctro cxtus dense lepidotis intus glabris. Stamina 8-10, antheris sessilibus oblongo-globosis ^ mm. longis ^ mm. latis utrinque emarginatis glabris. Kudimcntum ovarii millum. Fl. ^ : pamculse rami graciles basi ascendentes sursum snbcernui bracteis nullis ; floras pcdiccllati, pedicellis 2 mm. longis dense lepidotis transverse insitis, floribus ascendento-ereetis ; bractea 3-fida crassiuscula cxtns dense lepidota margine et intus densissime tomentosa, segmcnto anteriore longissimo liiicari 1-|— 2 mm. longo I mm. lato, segmeiitis lateralibus brevioribus 1 mm. longis f mm. latis obtusis, totis intns densissime stcllatis. Ovarinm iiifernm 1^ mm. longimi 1 mm. latnm densissime lepidotnm apice basiquc pins minus constric- tnm cum tubo pcrianthii connatuni, lobis perianthii 4 linearibus crassiusculis 1^ mm. longis -^ mm. latis apice obtusis margine apiceqne valde interiore recurvis sacciformibns cxtus sparse lepidotis. Styli brevissimi ] mm. long! 2-fidi, raniis divaricatis apice 2-lol)is, lobis uncinato-recurvis stigmatosis ; ovarium 2-loculare. HAB. Uraisha, leg. S. SASAKI, Aug. 1910 ; ibidem, leg. B. HAYATA, Juli. 1912, fl. ? ct I. Cupuliferae. Carpinus Lixx. CarpimiS hogoensis HAYATA sp. nov. Arborcscens ; ramulis f ns-jo- purpurascentibus larvibus graeillimis, lenticellis miiiutis sparsissimis vcl nullis. Folia membranacea vel membranaceo-chartacea alterna ovato-lanceolata 8 cm. longa 27 mm. lata apice triangulari-acuminata vel gradatim acuminatissima basi leviter cordata supra basin latissima margine simplicitcr vcl duplicatim serrulata, serrulis ascendentibus late triangularibus latere interiore serrulis secundariis unis instructis apice restis vcl iutcriorc recurvis, utraque pagiue hirsuta sed ad costas ct vcnas sparse liirsuta subtus ad axillas inter costam ct venas pilis dense faseiculatis instructa, costis et venis supra hand vel vix elevatis, subtus distinctc mauifcstec[iie elevatis, venis primariis lateralibns utroque latere costse 15-17 rectis niediis a costa angulo 45° egressis uscpie ad apicem rectis prope apicem snbito arcuatis ascendentibus ad apicem serrnlarum attingeiitibus, petiolis 17mm. longis tcretibus glabris vcl sparse hirsutis liaud sulcatis. CUPULIFERJE. 63 Spicse fructiferse terminales cum pedunculis 5-10 cm. longis nutantes, pcdunculis 2-3 cm. longis, fructibus oppositis, jngis 1 cm. remotis, bracteis cultriformibus vel semi-ovatis 10-13 mm. longis 4-5 mm. latis apice acntis obtusis basi ob- tusissimis vcl rotundatis basin achfenii liand vcl vix amplectantibua cxtus deorsum hirsutis intns subglabris margino latere intcriore rectis iutcgris, latcro exteriore serratis curvis, latere interiore angustiore latere extcriore latiore costis ct vein's utraque pagiiie elevatis rcticulatis, rcticulis utraque pagiiie clevatis. Achsenium leviter complanatum ovato-rotundatum 3 mm. longum totiusque latum apice obtusissimum basi truncato-rptundatum minute pubescens sursum versus apicem barbatum reliquis stylorum apice coronatum facie circ. 10- costatum. HAB. Musha : H6gx>; ad 3500 ped. alt., leg. B. HAY AT A, Aprili. 1916. Near C. Kawakamii HAYATA, but separable from it by the elongate ovate-oblong leaves which are always cordate at the base. Carpinus rankanensis HAYATA sp. nov. (PL X. ct fig. 8.) Arbor. Ramuli fuscentes minute Icnticellati, lenticellis fulvescentibus leviter elevatis verticaliter elongatis vcl linearibus, ramulis ultimis Ipevibus fulvescentibus glabris. Folia dccidua alterna viridia membranaceo- chartacea ovato-oblonga 8-10 cm. longa 3-4 cm. lata apice subito acumiiiata vcl caudata basi profunde cordata margine irregulariter serrulata, serrulis ascendcntibus ad apicem aristis superiore recurvis instructis, costis venisque supra impressis subtus elevatis supra ad costam hirsuta cjeterum glabra, subtus ad costam venasque pilosa, pilis adpressis rectis mollis csetertini glabra, venis lateralibus parallelis utroque latere costre 20-25 a so 3-4 mm. distantibus rectis ad marinem . 8, Carpinus rankanensis attingentibus, petiolis 5-10 mm. longis glabris. HAYATA. 64 CUPULIFER^. Amenta fructifera tcrmiiialia pendula cylindrico-linearia 10-12 cm. longa 2 cm. lata, pedunculis 2-3 cm. longis gracilibus deorsum recurvis hirsutis sursum bracteis 4-5 instructis ; amenta longe cylindrica 10-12 cm. longa 18 mm. lata, bracteis fructiferis dense imbricatis plus minus oblique ovatis 13 mm. longis 7 mm. latis basi auriculato-plicatis achsenium firme aniplectantibus basi dense barbatis utraque pagine elevato-reticulatis utraque pagine hirsutis margine pauci- serratis. Achseniuni prematurum 10-costatum glabrum apice barbatum stigma- tibus linearibus 2 coronatum. HAB. Kankanzan, ad 4000 ped. alt., leg. B. HAYATA, Mai. 1916. Near Oarpinus japonica, but differs from it in the much longer and narrower fruiting catkins. Quercus LIXN. Quercus longicaudata HAYATA Ic. PI. Formos. III. p. 182. Descriptlo aucta : Fructus cum cupulis coiiico-pyramidalis 1 cm. longus 9 mm. latus apicc com'co-acutus basi subtrimcatus stipitatus, stipitibus 3 mm. longis. Glans coniformis subtriangularis in sectione apicc acuta basi truncata tenuiter hirsuta vel glabra castanea cupula complete inclusa, cupula coriacco-crustacea sparse muricata. HAB. Daibu, leg. S. NAKAI, Dec. 1912. (Fr.) Q,uercus Sasaki! KAXEHIBA sp. nov. Arbor ; ramuli terctes fusco- purpurascentes minute laxiusculeque lenticellati iiaud rugosi, lenticellis rotundatis elevatis. Folia coriacea oblongo-oblanceolata vel obovato-oblonga vel oblonga 7— 11 cm. longa 2|--3|-cm. lata apice acuminata vel cuspidato-acumiiiata basi truncata acuta vel obtusa margine a basi ad medium integra a medio sursum grosse serrata, serris aseendentibus apice plus minus interiore recurvis, supra nitida subtus glauca, costis venisquc supra hand elevatis subtus elevatis, venis primariis lateralibus utroque latere costte 9-11, mediis a costa angulo 400-450 egressis rectis ad apicem serraruni attingentibus, pctiolis 18-22 mm. longis semiteretibus glabris. Cupula depresso-semi-globosa 10-1 2 mm. alta 14mm. in diametro extus fusco-glauca annulis notata, annulis circ. 10, iutus fulvo-sericca. Glans semi-globosa valde depressa 8-9 mm. alta 16 mm. in diametro ad sum- mum impressa ad centrum breve apiculata basi subplana, cicatricibus elevatis 9 mm. in diametro. HAB. Kappanzan, leg. S. SASAKI, Nov. 1915. (Fr.) SATJCINEJE. 65 Near Q. glauca TH. in the loaves, but distinguishable from it by tJie glahdes which are very mucli depressed at the top. Salieineae. Salix LINN. Salix eriostroma HAY ATA sp. nov. Frutex. Kami reeti, cortice Irevi fulvescenti, brevissimc hirsuti, ramulis foliiferis rectis gracilibus dense villosis. Folia chartacea oblongo-lanceolata 3-4 cm. longa 9-10 mm. lata niargiiie Integra utrmque acuta supra sparse subtus densissime sericeo-villosa, venis lateralibus primariis utroque latere costse circ. 10 sursum arcuatis tenuissimis, petiolis 3 mm. longis villosis, stipulis minutissimis lanceolato-triangularibus % mm. longis. Amenta fructifera ad ramos annotinos lateraliter sita 6 cm. longa 8 mm. lata sessilia densissime fructifera, pcdiccllis pilosis 1 mm. longis, bracteis ellipticis 1 mm. longis extus pilosis apice truncatis iutus glabris, fructibus 4 mm. longis glabris rubescentibus ad basin minute tciiuiter hirsutis, rhachibus amenti dense pilosis. HAB. Tonkurankei, leg. U. MORI, 1910, April!., (fr.) Near Salix transarisanensis HAY., but distinguishable from it by the very much more villose bracts and by the leaves which are sericeously villose on the under surface. Salix suishaensis HAYATA sp. nov. Frutex 2-3 m. altus ramosus, ramulis graeilibus Inevibus sparsissime hirsutis. Folia chartacea oblonga obovata vel ol)ovato-oblonga 8-9 cm. longa 3J cm. lata apice cuspidato-acuminata vel acuminata basi obtuse cordata vel minute cordata marginc minute serrulata basi glandulis 2 instructa supra subglabra subtus fulvo-hirsuta utraque dis- tincte venosa, petiolis 12 mm. lougis. Amentum floruni J : liiieari-cyliiidricum cermium G cm. longnm dense hirsutum dense floriferum, bracteis obovatis 2| mm. longis l£mm. latis apice rotundato-obtusis basi angustioribus utraque pagine hirsutis membranaceis, discis obtusis ^ mm. longis ; staminibus 6, fila- mentis basi hirsutis sursum glabris, antheris reiiiforme-rotundatis 2-locularibus. HAB. Suisha, secus stagnum, Aprili. 1916, leg. B. HAYATA. Near *S>. Wdrburgii SEE^F., but separable from it by the leaves which are hirsute beneath. 66 CONIFERS. OROHI1>K ^ cymlidium olnakvue HA- cum tubo 5-7 cm. lougis apice acuminatis, TATA; a, a lip, showing maculation on the , M n • f ' -,r -> • ^ surface ; b, the same, showing the disc at parti bus noriferis circ. 15cm. longis laxe ., the base ; c, the same in section ; d, the floratis, bracteis lanceolatis 3cm. lougis same lip, seen from side. ORCHIDEJE. 81 sursum recurvis ascendentibus glabris apiec acuminatis valtlc concavis, pedicellis (cum ovariis) 2 cm. longis glabris. Florcs 4 cm. in diametro. Sepala et petala pallido-viridescentia vel pallido-flavesceiitia extus purpureo-striata vel baud striata. Labellum fusco-purpurco-maculatum. Sepala lanccolata 27 mm. longa 6-7 mm. lata apice triangulari-acuta, basi plus minus angusta glabra. Petala plus minus obliqua ovato-lanceolata 23 mm. longa 8 mm. lata apice acuto-obtusa basi plus minus contracta glabra. Labellum in ambitu ovatum 23mm. longum ad basin colnmnaB situm sessile erectum basi concavum, lobis lateral! bus latiusculis erectis apice rotundatis scuii-oblongis 3 mm. latis columiiam laxc amplectantibus, labo medio valdc recurvo oblongo 13 mm. longo 8 mm. lato apice obtusissimo margine valde crispato sub lente minute eroso. Disci 2 ( )-forniitcr dispositi. Columna complanato-scmi-teres 14 mm. longa 4 mm. lata margine obscure alata vel hand alata. Fructus fusiformis 4 cm. longus 14- cm. latus erectus, stipite 1-tcm. longo erecto glabro. HAB. Gokwanzan Oiwakc, ad 7500 peel, alt., leg. B. HAYATA, Aprili. 1916. Differs from the other species of this genus in Formosa in having mani- festly denticulate lips. Cymbi- dium rubri- gemmum HA- YATA sp. nov. (Fig. 15). Folia linearia tenuiter coriacea 30-40 cm. longa 7mm. lata apice acu- minata basi gradatim atten- uata margine sub lente minu- tissime serru- lata, nervis dis- tinctis 3. Scapi Fig. IB, Cymbidium rubrifjemmnm HAYATA. Photographed by Mr. T. SOMI. 82 ORCHIDEJE. cum racemis 25-30 cm. longi crccti basi squamis 3-4 instruct!, squamis a se 5 cm. distantibus 5-6 cm. longis apice acuminatis a basi usque ad medium tubiformibus. Racemi 8 cm. lougi pauciflorati, bracteis lanceolatis 3 cm. longis 4mm. latis purpurcis, pedicellis cum ovario 2cm. longis glabris gracilibus. Scpala subsequalia linearia 3 cm. longa 5 mm. lata apice acuta basi leviter contracta. Pctala lanceo- lata plus minus obliqua 2£ cm. longa 6-7 mm. lata. Labellurn oblongo-ovatum 20 mm. longuni 8 mm. latum apice obtusum apice margine jnaculatum. Columna 1 .V cm. longa. HAB. Taihoku cult, Mart. 1914, leg. T. SOMA. Xcar 1 "'t/itibidium oreophyttum HAY ATA, but distinguishable from it in J laving shorter and broader sepals. ' Cymbidium sinense AViLLD. var. margicoloratum HAYATA n. v. (Fig. 16-b et 17). Folia lineari-oblaneeolata tenuiter coriacea 50-60 cm. lono-a 2 cm. Fig. 17, Cymbidium sinense WILLD. var. margi- coloratum HAYATA. Photographed by Mr. T. SOMA. Fig. 16, .1, Cjjinlidiwn nibrif/emmwn HAYATA ; b, Cymbidium sinense v,ir. margicoloratum HAYATA. ORCH]DE;E. \r^t V^X 83 lata apicc acuminata basi graclatim attcnuata ad cxtrcmitatcm subito dilatata apicem pseudobulbi ainplectantia, nervis distinctis 3, utraquc paginc glabra niargiiic integerrima. Scapi cum racemis 70-80 cm. longi tcretcs basi squamis 3-4 remote instruct!, squamis a sc 10 cm. distantibus linearibus apice acumiiiatis a basi usque ad medium tubuliformibus glabris scariosis 10 cm. longis nervosis. Racemi 30 cm. longi crecti rectl remote floriferi, floribus a sc 3-4 cm. distanti- bus, bracteis lanceolatis 1-2 cm. longis acuminatis, pcdiccllis (cum ovario) 3-2 cm. longis divaricatis. Sepalum posticum lincarc 33 mm. longum 5 mm. latum apice obtuso-acutum, lateralia leviter breviora requilata. Pctala laiiceolata 2-£ cm. louga 7 mm. lata apicc obtusa basi contracta. Labcllum ovatum 20 cm. longum 10 mm latum apice acutum (discis 2-lamcllatis) mcrginc apiccque coloratuni. Columna 13 mm. longa. HAB. Taihoku cult, leg. T. SOMA, Feb. 1914. Differs from the type in the lips which in this new species are bluish purple at the margin, but not spotted. The lips of C. sincnse are in greater parts spotted. I have not seen the type of the latter ; but according to the description given in LINDL. Gen. et Sp. Orcli. p. 162, the lips are "macula- turn." The same character of the lips can be seen in a figure given in the Somokudsusetsu XVIII. PI. 11. Sarcochilus II. BE. Sarcochilus kusukusensis HAYATA sp. nov. Epiphytica. Caulis 2-3 cm. lousus toto foliatus vaginis foliorum imbricatis obtectus arlaber. Folia in cxsic- O O CD cato coriacea linearia 4-5 cm. longa 5-6 mm. lata apice obtusa vcl obtusissima ad summum oblique simpliciter apiculata vel breve 2-apiculata basi aiigustiora margine intcgra, nervis lateralibns utroqne latere costa3 5, vel 1 turn venis inter costas ct nervas latcrales 1-2, vaginis valde reflexis apicc petioli-formibus basi vagiiiiformibus glabris. Racemi quasi-axillares cum pedunculis 4 cm. longi glabri erecti recti, pedunculis 3J- cm. longis, rhachibus plus minus incrassatis densissime floriferis 1 cm. lougis dense bracteatis, bracteis sub florc singulo nnis instructis dense imbricatis cuspidato-triaugularibus 3-4 mm. longis glabris dorso acute carinatis in sectione triangularibus, pediccllis cum ovariis 5 mm. longis glabris supra basin articnlatis. Flores flavi 5 mm. longi. Scpala flava, posticum oblongum vel oblongo-obovatum 4J- mm. longum 2 mm. latum apice obtusum basi- OECHIDEJE. contractuni glabruin tenuiter membranaceum 3— nerviuin ; lateralia postico seqnilonga sod latiora plus minus obliqua basi cum pcdc columnar connata mcntuin 1 mm. longum abeuntia. Petala ttava obovato-oblonga 4 mm. longa 2 mm. lata apicc obtusissima basi cuneato-contracta. Labelluni album purpureo- striatum pcdc eolumiue articulatim affixum 3mm. longum sacciforme; lobi laterales erect! late triangulares ; mcdius obsoletus ad apicem denticulatus ct plus minus carnosus ; labcllum medic ct utroqnc laterc apicis callis dense pilosis mstructum, et protuberantibus duobus snl> apicc labclli dispositis. Columna brevis 1^- mm. longa basi ad pcdem 1mm. longum producta. HAB. Kusukusu, leg. B. HAYATA, Aug. 1914. Differs from 8. formosana HAY. by the far much smaller flowers with yellowish sepals and purplc-striate lips. Sarcoehilus Saruwatarii HAYATA sp. nov. (Fig. 18). Epiphytica. Caulis 2 cm. longus toto foliatus et vaginis foliorum imbricatis obtectus glaber. Folia alterna distichc disposita plana in cxsiccato mcmbranacea linearia vel lineari-oblanceolata 4-5 cm. longa 5-8 mm. lata apicc obtusa vel acuta oblique 2-lobata vel Integra niarginc Integra basi attenuata cum vaginis artieulata, ncrvis lateralibus utroque laterc costce o, vaginis 3 mm. longis. Ivaccmi penduli quasi-axillare.s graciles cum pcdunculis 2-3 cm. longi, rhachibus 1 cm. longis valde ^ Fig. 18, Sarcoehilus Saruwatarii HAYATA ; a, a flexilOSlS laxissimc floratis, floribus flower; b, another flower, lip taken off, showing the 2-3, sub flore 1-bracteatis, bracteis foot of the column'' c' a UP> seen from sifle- ovato-lanccolatis deorsum falcatim recur vis 2 mm. longis transverse patentibus secus costam plicatis alabastrum florum ct rhachcm racemi amplectantibus. Uores albi. Sepala insequalia, posticum oblongum 5mm. longum apice obtu- sum basi plus minus contractual ; lateralia oblique ovato-oblonga 7 mm. longa 3mm. lata apice obtusa basi hand vel vix contracta. Petala lineari-lanceolata ORCHIDEJE. 85 5 mm. longa 1 mm. lata apice obtusa basi hand vel vix contracta. Labellum intus rubro-flavum sacciforme, lobis latcralibus oblongis obliquis 3 mm. longis 2 mm. latis apice truncato-obtusis extus minute hirsutis margine minute erosis intus glabris, lobo niedio crassissinio brevissimo triangular) % mm. longo, sub lobo medio disco crasso uno insito ; gibbo labelli in fundo dcnsissime piloso. Coluinna brevissima |- mm. longa subalata cum alls 1^ mm. lata basi ad pedcm 2 mm. longuni producta. HAB. Iveitao, leg. B. HAYATA, Aprili. 1916. Approaches to S. formosanus HAY., but distinguishable from it by the far much smaller lips and racemose inflorescence. Saccolabium BLUME. Saccolabium. formosanuni HAYATA Mater. Fl. Formos. p. 336. Des- criptio aucta : Fructus cylindricus pedicello exccpto 2 cm. loiigus 5 mm. latus utrinque contractus obtusus plus minus obliquus, pedicello 5-6 mm. longo. Tropidia LINDL. Tropidia Somai HAYATA sp. nov. (PL XIII.). Ehizoma asccndeuto- erectum ad caulem gradatim abcuiis ; pscudobulbus nulliis. Caulis in nostro speciniiiic 2-3-fasciculatus cum racemis 17-20 cm. longus glabcr florifcr sub- crectus interduni efoliatus interdum 1-2-foliatns eramosus basi usque ad medium 2-5- vagi nato-squaniatus, squamis inferioribus vaginiformibus 7 mm .-15 mm. loiigis ore obliquissimis apice acutis ncrvosis glabris superioribus longioribus usque ad 3£ cm. longis ad medium tubuliformibus sursuni lamini-forniibus apice acuminatis, foliis si adsunt supra medium caulis 1-2-dispositis. Folia membranacca oblongo-cordata ovato-oblonga vel lanceolata 9-7 cni. longa 6-2 cm. lata apice acuniinata ad sumnium breve aristata basi subcordata rotundata obtusa vel acuta semper ad petiolum 1-1^- cm. longuni caulem amplectaiitem gradatim abeuntia, margine Integra 7-iiervia, nervis supra minus subtas plus elevatis (in exsiccato). Racenii 3-4 cm. lougi recti, bracteis lanceolatis 6-7 mm. longis apice acuniinatis basi rhachin senii-amplectantibus glabris, pedicellis cuni ovario 5 mm. longis glabris. Sepaluni posticuni lauceolatum 6 mm. longuni basi latissimuni acuminatissimum glabrum ; lateralia apicibus exceptis perfecte connata ventricum formaiitia erecta apice acuniinata lauceolata, ventrico sub insertione 2 mm. longo 2 mm. lato. Petala lanceolata sepalo postico breviora. 86 ORCHIDPLK. Labellum ovato-lanccolatum circ. 6 mm. longum crcctum glabrum vcntricoso- calcaratum, lamina lanccolata 4 mm. longa. Columna 2 mm. longa, rostello obliquissimo triangulari-lanecolato apiee 2-ficlo ; anthera dorsalis e basi columnse oriuiida lanccolata apice acuminata 3 mm. longa J mm. lata. Pollinia lineari- lanceolata 2 mm. louga apicc attennata ad caudicnlam 2 mm. longam abeuntia ; glandula lincari-oblonga 1 mm. longa. Tropidia anc/ulata HAYATA in MATSUM. a nutlet witll sete . c^ the bracteis oblongis apice obtusissimis basi same ^ section. spiculam semiamplectantibus hyalinis ; squamis mediis rhomboideo-obovatis valde coucavis 2|- mm. longis 1 J mm. latis apice obtusissimis basi subtruncatis. Set£G 6 acheenium in longitudine duplo sequantes filiformes retrorse scabrse. Achsenium flavuni obovoideum 1 mm. longum 4- mm. latuni Iseve dorso costato- angulatum facie planuui in sectionc triaugulare apice obtusissimum basi augusta- tum, stylo basi valde dilatato, partibus dilatatis conicis apicem achsenii mitra- forme obtectis. HAB. Hokuto, leg. Y. SHIM ADA, (No. 14, typus) Oct. 1914 ; Dai burin, 108 CYPEKACEJE. leg. Y. SHIMADA, Mart, 1908, (No. 4320) ; Taikokan, leg. T. SOMA, 1912, Oct. Near E. ctfflata STEUD, but differs from it by the much longer bristles which are as long as f nuts. In E. afflata and E. japonica, the bristles are hardly visible from without, but in this new species, they are very conspicu- ous, and exserted beyond the glumes. Fimbristylis VAIIL. Fimbristylis (Sect. Dichdostylis} aginkotensis HAYATA sp. nov. (Fig. 25). Tenuissima dense caespitosa 30-15 cm. alta. Folia basi caulis sita quam caulis multo breviora 8 cm. longa filiformia erccto-recurvata basi vaginata, vaginis 1^—4 cm. longis 1 mm. latis tubuliformibus ore obliquis, lamiiiis filiformibus 3-10 cm. longis in plicato -J— {- mm. latis margine interiore rccurvo-plicatis igitur teretibus gracillimis glabris. Scapi foil is duplo longi ores 10— 30cm. longi -3- mm. lati gracillimi teretes vel plus minus compla- nati glabri apiec spiculam singulam gerentes et apice ad bracteas abeimtes, bracteis singulis vel duabus 5-7 mm. longis linearibtis apice Fi9- 25, FinibristyU* . MI tensis HAYATA ; a, a scale ; b, the same, obtusis Jmm. latis spicas exceedentibus basi in section; c< a nutlet ^th 8ty]c. <1? a dilatatis. Spicula ovoidea 7-8 mm. longa 3 mm. tlie S!ime' in section. lata apice obtusa basi rotundata, squamis mediis late oblongis 3 mm. longis 24- mm. latis apice breve acutis dorso ad setulam brevissimam productis. Nuculse obovatse li mm. longse | mm. lato Ireves biconvexae dorso plus facie minus convexa) apice subtruncatse basi triangulari-acutse flavo-fulvcscentes ; stvli 2 mm. longi basi dilatati sursum sub ramificatione dense barbati deorsum prope basin glabri apice 2-fidi, ramis recurvis. HAB. Agincort, leg. T. KAWAKAMI, 1907, Sept, Near F. ferruginea VATIL, but differs from it by the much more dilated conical base of the styles and in the inconspicuously tessellate nuts. Fimbristylis (Sect. Diehelostylis) anpinensis HAYATA sp. nov. (Fig. 26). Planta dense cssspitosa basi densissime radicifora radicibus fibrillatis. Caulis graciKs 60-40 cm. longus glaber teres subreetus vel plus minus recurvus basi squamis CYPERACEJE. 109 ct foliis instructus basi snrsum cfbliatus infloreseentis except! s hand ramosus, squamis infimis triangularibus minutis interioribus gradatim elon^atis longiori- ~ o o bus ad folium abeuntibus. Folia subacerosa recta erecta glabra cum vagiuis 10-20 cm. louga, vaginis quam lamina duplo longioribus 2mm. latis apicc transverse vel plus minus oblique tnmcatis latorc dorsali exccpto tcnuissime membranaceis hyalinis, laminis acerosis a pice acutis vel obtusis margine plus minus plicato- / l,\\ ff D"^— ^"t^ f recurvis in sect! one ^\-formi- bus glabris in explicate 1 mm. vel minus quam 1 mm. latis. Cynise subumbellatae vel corym- bosae, (radii's vel ramis 5-8, 1—6 cm. longis laxe et pauceque 1—5 spiculiferis), basi bracteis 4-5 suffultis, bracteis fuliifor- mibiis basi gradatim dilatatis basin cymfe amplectantibus 1-5 cm. longis nnuquaui ramos inflorescentise superantibus. Spicula liueari-oblonga 1 cm. louga 3-4 mm. lata apice acuta basi obtusa ; squamis mediis ovato-oblongis 4.1- mm. longis 24- mm. latis apice acutis obscure 1— costatis integris. Nucula ol)ovata 1^ mm. longa | mm. lata apicc trimcato- rotuudata basi cuiieato-attcnuata Isevis facie minus dorso plus convexa. Styli 4^- mm. longi apice 2-fidi (ramis glabris filiformibus 1^- mm. lougis recurvis) basi baud dilatati glabri supra basin usque ad ramificationem barbati. HAB. Anpin, leg. TAKAGI, Oct. 1914. Near F. ferruginca, but separable from it by the perfectly smooth nutlets. Fimbristylis (sect. Dichdostylis) boninensis HAYATA sp. nov. (Fig. 27). Planta caespitosa asccndeus. Caulis (vel scapus) 20-50 cm. longus erectus rectus valde complanatus (ut videtur) glaber in exsiccato multo-sulcato-striatus 2mm.-2^- mm. latus apicc capita tim spiciger basi squamis et foliis suffiiltus, squamis exterioribus ovatis, interioribus gradatim elongatis ad folium abeuntibus. Folia a Fig. 26, Flmbristylis nnpinensis HA.YATA; a, a scale ; b, the same in section ; c, au ovary -with the style and stamens ; cl, a nutlet ; e, the same in section ; f. celhilar strxictxtre of the outer coat of the nutlet. 110 CYPERACE^]. coriacea ad basin caulis conferta cum vaginis 7-35 cm. longa 5-2A- mm. lata linearia crccta vel recurva glabra, vaginis 3-10 cm. longis cyliiidricis latere i uteri ore tenuissime membranaccis hyalinis ore oblique trimcatis minute hirsutis, lamiiiis glabris coriaceis margine sub lente minute scrrulatis margine exteriore leviter recur vis. Capitnla spicularum glo- bosa singulariter vel geminatim sita 2 cm. in diametro basi bracteis 2 instructa, bracteis 2-4 cm. longis foliiformibus hori- , ,., ,. ... & • Fia. 2,7, Flmlristillis loninensis HAYATA ; a, a scale; zontaliter divaricatis. opi- ,, , n b, an ovary -with the style and stamens ; c, a nutlet ; d, cilia dense 10-20 COllgesta the same in section; e, cellular structure of the outer coat ovoideo-fusifbrmis 8-12 of the nutlet mm. longa 3-5 mm. lata apicc acuta basi obtusa, squamis mecliis ovato-triangu- laribus 3^ mm. longis totiusque latis apice breve cuspidato-acutis 1-costatis integris. Nucula obtriangulari-obovoidea 1| mm. longa 1 mm. late vel minus lata apice truncata ad centrum breve apiculata basi obtusa vel cuneato-obtusa lougitudiualiter tessellata dorso plus facie minus convexa subplanoconvexa. Styli 3 mm. longi liueares ^ mm. lati apice 2-fidi, ramis recurvis, basi hand vel vix dilatati apiceni nuculse obtegentes medio sursum usque ad ramifica- tionem dense barbati basi cum ramis glabri. HAB. Bonin : Chichizima, leg. H. HATTOEI, Sept. 1905. Comparable to some extent to F. sericea, but greatly different from it by the very much longer glabrous leaves. Fimbristylis (Sect. Eleocharioides) kagiensis HAYATA sp. uov. Amma ? csespitosa 10-15 cm. alta. Caulis (vel scapus) 8-15 cm. longus basi squamis foliis suifultus. Foh*a cum vaginis 6-15 cm. longa quani caulis longiora vel breviora suberccta vel ascendeutia lineari-filiforniia vel acerosa glabra, vagiuis 1|- cm. longis laminam ^-J-plo sequantibus tubiformibus latere interiore tenuis- sinie meuibranaceis, ore obliquo utraque latere auriculis rotundato-triangularibus CYPEKACEJE. Ill instructo ad insertionem laminae breve ciliato, lamina 4-10 cm. longa marginc interiore plicato-recnrva in explicate 1 mm. lata marginc glabra seel versus apiceni breve serrulata ad apiccm obtusa. Spicula terminalis solitaria ovoideo- globosa vel elongato-ovoidca 6-7 mm. longa 3 mm. lata basi bracteis singulis vel duabus instructa, bracteis minutis cuspidato-triangularibus 3 mm. longis basi 1J mm. latis caducissimis glabris margine hyalinis tenuissimi.s medio tri-iierviis. Squamse valde coucavse glabrae 3 mm. longse in explicate 3-4 mm. latse rotuiidatse brevissime niucronatse basi truncate multinerviae dorso medio castauese versus basin margineque liyalinae ecoloratse. Nuculae biconvexae l£ mm. longse 1 mm. latae apice fere rotundatpa basi plus minus cuneato-angustataa fulvo-pallidaa, stylis plus minus cxsertis 2 mm. lougis basi plus minus iiicras- satis sursum barbatis apice 2-fidis, ramis gracillimis desuper recurvis baud barbatis rubro-ferrujnneis. o HAB. Kagi, leg. T. SOMA, Sept. 1914. Near F. polytrichoides VAHL, but differs from it in having whitish nutlets with the barbate styles. Fimbristylis (Sect. Triclielostylis) kankaoensis HAYATA sp. nov. (Fig. 28). Rhizoma subrectum ramosum, radicibus et roliquis foliorum dense obtectum apice ad caulcm abeuiis. Folia glabra basi caulis densissime fasciculata pateiitissima cum vaginis 4-5 cm. longa, vaginis valde dila- tatis 13 mm. lougis latissimis cum iis alteris connatis tenuibus, lamiiiis linearibus basi latissimis sursum gradatini angustioribus basi p.g 2Q> FimlrlstyUs .kankaoensis HAYATA; mm. loilgis crasse COriaceis valde a, a scale; b, an ovary with the style; c, a . . , . . nutlet ; cl, the same in section ; e, cellular struc- ngidis supra concavis .subtus con- , ,, ,. ., ,, , , , , ture of the outer coat of the nutlet, dorsal angle vexis margine sub leiite minute seen from front. duplicato-serrulatis sursum subintegris apice obtusissimis. Scapi 10-18 cm. longi erecti recti graciles complanati (semper?) f mm. lati glabri plus minus sulcati a centro fasciculorum foliorum basilarium oriundi basi squamis lineari- lanceolatis 3-4 instructi versus apicem cymosi 2-4 ramosi, ramis insequalibus 112 CYPERACE^E. minus quam 2 cm. loiigis ad apices spiculas capitulatim gerentibus. Spiculse ad apiceni ramulorum capitatim 4—5 sitas rotundato-ovatse 4-5 mm. longse 3mm. latse apice obtusissimse basi rotundatse, squamis infimis (i.e. bracteolis?) sterilibus ovato-triaiigularibus apice acutis 2 mm. longis ; squamis mediis ovato-triaugu- laribus 2 mm. loiigis 1-^- mm. latis apice obtusis dorso promiuente carinatis. Nuculfo depresso-obovatse f mm. long^e toti usque latas apice truncate basi acutas sub lente minute tuberculataa sursum fusco-fulvescentes deorsum flavo- fulvescentes vel maturo fusco-rubescentes dorso valde convexse vel angulato- coiivexse facie subplanse in sectione plano-convexse vel subtrigonse ; styli 1-Jmin. long! 3-fidi subglabri. HAB. Kankao, leg. B. HAY ATA, Juli. 1(J14. Comparable to some extent to F. junciformis KUXTH, but greatly different from it in having dark brown nuts with quite glabrous styles. Fimbristylis (Sect. Eleocharioides) takaoensis HAYATA sp. nov. (Fig. 29). Ixhizouia ramosum fere erectum dense radiciferuni. Caulis csespitosus gracilliinus circ. 20 cm. longus tores vel subcomplanatus -|- mm. latus vel latior erect us apice plus minus recurvus apice ad bracteas singulas productus, bracteis interdum obso- letis filiformibus erectis spicam exceedentibus 1-1^ cm. longis. Folia ad basin caulis sita pauca 1-3 cum vaginis 10-15 cm. longis filiformia erecta. vao-inis 2—3 cm. lono-is 1 mm. / o o latis tubuliformibus ore bbliquissimis glabris, auriculis late triangularibus ^ mm. longis -| mm. latis, laminis 5-6 cm. longis in plicato Fig. 29, Fimbristylvi takaoensis latere complaiiatis -i mm. latis apice acuti8 ^^; a, a scale; b, section of the same ; c, a nutlet with the style ; e, the margiiie integris prope apiceni pauce minute same, seen from side ; d, section of the obscure setuloso-serrulatis. Spicula soh'taria same' cylindrico-ovata circ. 1 cm. longa 3 mm. lata utriuque obtusa basi bracteis deciduis singulis instructa ; squamis mediis oblongo-linearibus 3-3^ mm. longis 1 mm. latis apice obtusis vel triangulari-obtusis obtusissimis vel truncatis sur- sum castaneo-fulvescentibus medio margine basique ecoloratis. Achsenium CYPERACI-LE. 113 (maturmn) obovatum 1 mm. longum f mm. latum facie subplanum dorso con- vexum in sectioiic sursum piano-con vexum deorsum rhomboideum dorso facieque tuberculis minutis notatum apicc obtuso-truncatum basi cuneato- acutuni ; stylus gracilis 2j mm. longus apice supra squamam exscrtus supra medium pilosus supra medium 2-fidus, (ramis 1 ram. longis gracilibus recurvis), basi levitor dilatatus vel baud dilatatus glaber. HAB. Takao, leg. Y. SHIM ADA, Mai. 1915. Near F. polytrichoides VAIIL, but differs from it by the much larger spikclets and nuts which are as long as J glume with much longer styles than nuts. Fimbristylis (Sect. Dichdostylis} tikushiensis HAYATA sp. nov. (Fig. 30). Planta plus minus crespitosa. Caulis cum inflorescentiis 40-80 cm. longus brcvissime hirsutus vel sub- glabratus teres in exsiccato imdto-sulcatus basi sursum usque ad inflorcscentiam baud ramosus crectus rectus basi squamis ct foliis suf- fultus, squamis exterioribus ad folium abeuntibus. Folia basi caulis conferta erecta vel recurva linearia 30-40 a Fig. SO, Fimliristylis tikushiensis HAYATA; a, a scale; loilga 3-4 mm. lata apice b, a nutlet, with the style ; c, the same in section ; d, Obtusa basi vagiuata supra cellular structure of the outer coat of the nutlet. minus subtus plus villosa hirsuta, vagiuis 5-15 cm. latis ore obliquis hirsutis. Inflorescentia 10-15 cm. longa cyliiidrico-pyramidalis in circumscriptione, basi umbellatim ramosa, ramis lateralibus insequalibus 2-10 cm. longis, ramo centrah" loiigissimo 15 cm. longo, apice spiculas singulas vel multas corymbose laxeque gerentibus, basi bractcis 5-8 quasi vcrticillatim iustructa, bracteis foliiforniibus vel acerosis 2-5 cm. longis inflorcscentiam 3— plo sequantibus villosis. SpiculaB oblongse 1 cm. longse 5 mm. latse apice acutse, squamis mediis rotundato- triangularibus 3J mm. longis 3 mm. latis apice acutis. Nuculse obovato- rotundatSB 1 mm. longae | mm. lata? apice truncatre basi obtusse biconvexa? 114 CYPERACE7E. sub lente tessellatse leviter elevato-tuberculatse. Styli 3 mm. longi apice 2-fidi, (ramis recurvis), medio sursum usque ad ramificationeni dense barbati basi glabri hand vel vix dilatati ; ramis styli glabris. HAB. Tikuslriko, leg. Z. KOBAYASHI, Aug. 1907. Near F. dlpliylla VAHL, but separable from it by the scabrous broader nutlets and villose leaves. Scirpus LLNX. Scirpus (Sect. Eustii-pus) erecto-gracilis HAYATA sp. nov. (Fig. 31). Aiinua dense crespitosa efoliata. Caulis simplex baud rauiosus erectus triqueter glaber 7-25 cm. long us 1 mm. lattis efoliatus basi vaginis 2-3 instructus, vaginis infimis brevibus, superioribus lougioribus tubuliformibus 3—4 cm. longis 2 mm. latis ore obliquissiuiis apice acutis ; caulis apice eyma singula terminatus et ad bracteam siugulani abeuns, bracteis cauliformibus latere complanatis circ. 10 cm. longis 1 mm. latis glabris apice acutis erectis rectis. Cynia3 ad apiceni caulis quasilateraliter sitre sessiles cum spiculis circ. 1 cm. longre et latre 8-10-spiculi- gera?, spiculis ses- silibus vel breve pedicellatis, pedi- cellis basi bracteis Pig. 31, Scirpus eredo- gracilis HAYATA. a, n scale ; . minutis instructis. b, the same in section ; c, an Spiral* oblongaB ovary ; d' a nutlet ; d' section of the same ; e, cellular 4 mm. longffi structure of the outer coat of 2^ mm. lata?, basi the nutlet ; transverse grooves C and ridges are distinguished bracteis (vel by black and white, squamis sterilibus ?) singulis instructse ; squamis mediis 2J mm. lougis apice cuspi- b Fig. 32, Scirpus morrisonensis HA- clatis. Xuculte depresso-obovatse \\ mm. YATA ; a, a scale ; b, the same in section : •> .... ... .. . longse 1 mm. lata? apice late breve c, a pistil -with setae ; d, nutlet ; e, the same in section. acutie basi breve cuneata? in sectione CYPERACEJE. 115 triangulares dorso angulato-convexse facie piano? sursnni ftisco-rubescentes deorsiun fulvescentes transverse rugulosse. HAB. Ako : Kotansho, leg. G. NAKAHARA, (No. 510), Sept. 1905 ; Bioritsu : Soyosho, leg. G. SHIMADA, Aug. 1907. Related to S. supinus, S. erectus and S. articulatus ; but different from them by the very much smaller spikelets and by the absence of bristles. Scirpus morrisonensis HAYATA, (Fig. 32) Fl. Mont. Formos. p. 230. Scirpus (Sect. Eustirpus) Sasakii HAYATA sp. nov. Scirpus supinus LINN. ? " CLARKE in HOOK. f. Fl. Brit, Ind. VI. p. 655 : — Stems medium terete, spikelets in a single lateral head, glumes ovate keeled with suberect mucro, bristles O, styles 3-fid, nut obovoid triquetrous obtuse transversely scabrous undulate black." HAB. Toy en, leg. S. SASAKI, Nov. 1910; Taihoku, leg. S. SASAKI, Juli. 1909. It is with some hesitation that I have compared this plant to S. supinus LINN. The nuts of our plant are very faintly transversely muricated, the styles are 2-fid, bristles always present (6 in number), nuts plano-convex. Our plant is, however, certainly nearer to S. supinus than to S. erectus in the charac- ters of carinate mucronate glumes and Fig. 33, Scirpus Sasakii HAYATA; a, a angular spikelets. Lhe description of spikelet . b> a glume . C) an ovary with maments this new species will be given ill the and sete; d, a nutlet; e, a seta (greatly mag- nified) ; f , a seed ; g, section of the same. next volume. 116 CYPERACE^. Khynchospora VAHL. Rhynchospora glauca VAHL ; C. B. CLARKE in HOOK f. Fl. Brit. Ind. VI. p. 671 j HEMSL. Ind. Fl. Sin. III. p. 259. HAB. Loo-choo : Nakanoshima, leg. S. KAWAGOI, Oct. 1910. Rhynchospora longisetigera HAYATA sp. nov. Ad Immiduin vcl aquani crescens hand coespitosa semper solitaria ; rhizoma ignottim versimiliter repeus ? Caulis tennis gracilis 60-100 em. altus erectus basi usque prope apicein hand ramosus versus apice m pauci-ramosus glaber triqueter 1-1 J mm. latus basi foliis radicalisms eanlinis basilaribusque 4-5 suffultus. Folia radicalia cauliiiis multo breviora liiiearia circ. 10 cm. loiiga sccus longitudine interiore plicata in plicato 1 mm. lata vel hand plicata plana tune 2 mm. lata apice acuminata basi vagina to-di la tata, costa supra impressa subtus acute carinata, margine Integra hand seabra Irevia utraque pagine glabra apice acuminata, acuminibus intordum triquetris interduni subplaiiis. Folia caulina 3-4 remo- tissinie disposita inferiora lougiora cum vaginis 20—30 cm. longa foliis radicali- bus longiora basi vaginata, vaginis 2-4 cm. longis tnbuliformibus glabris ore truncatis, anriculis perfecte obsoletis, nervis lateralibus Jiaud visis. Spiculse versus apicom rami et caulis patu-e corymbose vel subglomeratim 3—6 dispositte breve pedicellatse, pediccllis plus minus liirsutis 1-3-bracteatis, bracteis lineari-lauceolatis apice interdum .setosis vcl toto obsoletis ; spiculse lineari- fusiformes in maturo late fusiformcs 6-7 mm. longte ntriiique acutse, squamis inferioribus sterilibus brevioribus, infimis ovato-triangnlaribus 2 mm. longis 1mm. latis apice subulatis, superioribus gradatim longioribus 1-2 fertilibus ; squamis fertilibus ovato-lanceolatis 7 mm. longis 2|- mm. latis apice acuminatis ad sumnium ad setulam -J mm. longani productis basi contractis angustissimis medio latissimis spiculam amplectantibus eastaneis ; costa obscura. Set?e 5, filiformes 4— 4|- mm. longte nuculam in longitudine 2-plo superantes antrorse scabree. Stamina 3. Nucula obovata 2 mm. longa 1^ mm. lata apice late truncata basi cuneata biconvexa latere promiueiite carinata sub lento tenuissime elevato-reticulata castaiiea ; stylus longissimus 8 mm. longus gracillimus filifor- mis medio sursum bifidus basi valde conico-dilatatus ad basin 1 mm. latus glaber. HAB. Suisha, leg. B. HAYATA, Mai. 1912. CYPERACE^E. 117 Fig. 34, Cladium jamaiceiise CBANTZ ; a, a cluster of spikelets. Near P. glauca Void; but se- parable from it in the very much longer setre and longer spikelets. Cladium P. BR. Cladium jamaicense CRANTZ (Fig. 34) ; HAYATA Mater. Fl. Formos. p. 377. Our speci- mens are a little different from the typical form of the species. In the former, the spikelets are arrang- ed in the less numerous clusters and the inflorescence is looser than in the latter. Scleria BERG. Scleria pubigera MAKING. HAB. Toyen, leg. T. SOMA, Oct. 1914 ; Daijiorin, leg. Y. SHIMADA, Oct. 1914. Compared with a specimen so labelled in the Herbarium at Tokyo. Our specimens are more patently or sometimes retrorsely hairy, while the Japanese are less patently hairy. Car ex Lixx. On working up the collections of Carc.v, I have principally followed the system of G. KUKENTHAL appearing in EXGLER'S " Das Pflaiizenreich : Cyperacese-Caricoideaj." Among the subgenera, Primocarex is not represented in Formosa, while Vignea is represented by 1, Indocarex also by 5, and Eucarex by 28 species. As to the arrangement of the sections of the subgenus Eucarex, I have found it extremely difficult to follow KUKEXTHAL'S system, xlccording to this eminent authority, the subgeuus is divided into two groups on the basis whether utricles are " erostrati vel brevirostres raro longirostres, rostrum ore truucatuni vel eniarginatuni raro leviter bidentatum," or "longius vel brevius rostrati, rostrum ore bidentatum raro integrum." This arrangement is not proved to be practicable in the Formosan species. The latter group is divided into two divisions on the basis whether leaves are " iiunquam septato- nodosa '; or " septato-nodosa." I am very much puzzled to understand 118 CYPERACEJE. what is meant by " septato-nodosa." After some considerations, I became con- vinced that it means something like elevation of tessellate veiiilets on the surface of the leaves, and therefore it means " gegittert." According to his system there are, however, included in the subgroup of " folia mmquam septato-nodosa " many species which have " folia septato-nodosa ; " and there are also in the subgroup of " folia septato-nodosa," many plants whose leaves are not " septato- nodosa." On the whole, the clavis of the sections of the subgenus Emarex given by KUKENTHAL is not practicable, as far as are concerned the Japanese and Forniosan species. As an example of the contradiction, I may point out Carcx attiiformis included after his system in the subgroup of "folia nunquam septato-nodosa," and G. pumila referred to the subgroup of " foh'a septato-nodosa." The leaves of the former species have distinctly elevated tessellate veinlets, while those of the latter do not show any trace of elevated veinlets. Conspectus of tlie subyencra of the Forniosan Species. a. Spicules usually bisexual, sessile, cladoprophyllum (scale at the base of spicnles) mostly wanting subg. Vignea. b. Spicules bisexual or unisexual often pedunculate, cladoprophyllum usually exists. a. Spicules usually bisexual, cladoprophyllum utriculi formed. ... subg. Indocarex. fi. Specules mostly unisexual, cladoprophyllum ocreseformed . . . . subg. Eucarex. Subgenus Vignea NEES. Spicules £ ftt the apex. Sect. Fcetidece C. pseudo-arenicola. Spicules J at the base. Sect. Elongate : This is not represented in Formosa. Carex pseudo-arenicola HAYATA sp. nov. (Fig. 35, f-j). Rliizoma repens -plus minus ascendeiis teres supra quasi— 1-seriatim caules vel fascicules foh'orum gereus. Fasciculus foliorum 5-6-foh'atus basi squamis oblongis apice acutis 3—1 iustructus, foliis linearibus cum vagina 17 cm. longis 2 mm. latis, o o vaginis tubuliformibus 3cm. longis circ. 2mm. latis ore perfecte truncatis, CYPERACE.E. 119 laminis glabris chartaceo-membranaceis planis marginibus hand scabris. Caulis glaber basi foliis paucis instructua scapiformis circ. 20 cm. longus apice spiculas spicatlm gerens, spiels 2-3 cm. longis 5 mm. latis ; spicula terminal]' niasculina, lateralibus bisexualibus. Spiculse creetse hand patentes a so 2-4 mm. distant cs ; lateralibus 7-S-floratis, floribus superioribus masculinis csetermn foenrineis ; clado- propliylluni nullum. Fl. £ : squamis oblongis 3 mm. longis ; stamina 3, antheris linearibus 1^ mm. longis apice fascicnlo minuto singulo pilorura coronatis basi brevissime auriculatis. Fl. f : glumis (vel squamis) mediis ovato-lanceolatis 3-4 mm. longis 1£ mm. latis apice acnuiinatis glabris 1-costatis margine erosis. Utriculus ovato-lanceolatus 4 mm. longus 1 mm. latus apice acuminato-attenuatus ad snmmum 2-dentatus basi obtusus dorso con- vexus facie planus margine sub microscopic remote minute set ulo.su s dorso 5-castaneo-striatus glaber. Nucula oblonora fflabra piano-con- O O 1 vexu Ccirex arenicola HAYATA Plater. Fl. Fornios. p. 378 (non F. SGH.) HAB. Mt. Morrison, leg. T. KAWAKAMI et U. MORI, Oct. 1908. Resembles C. arenicola F. SCHMIDT in the external features ; but really distinct from it in having lanceolate utricles which are attenuate at both apex and Fig. 35, a-e, Carex satsumensis FB. et SAV. var. Nakail HAYATA ; a, a scale ; b, the same in base, and in the lack of spongy section; c, an utricle; d, the same in section; e, a, i c 0.1 nutlet, f-i , Carex pseudoarenicola, HAYATA ; f , a excrescence at the base of the utricles. scale ; g, the same in section ; h, an utricle ; i, a nutlet ; j, the same in section, with the utricle. 120 CYPERACE.E. Subgenus Indocarex BAILL. Spiculcs all supported by a fertile cladoprophyllum ; bractsuearly none sect. JaponiccB. Spicnles all supported by a sterile cladoprophylluni. Spieules cylindrical 2-6 cm. long sect. Polystachyce. Spicules hardly longer than 1.5 cm sect. Indiccc. Sect. Japonicw. Culms slender nearly 30cm. long , C. satsumensis, var. longiculma. Culms very much shorter, usually 10cm. long. . C. satsumensis var. Ndkaii. Carex satsumensis FE. et SAY. var. longiculma HAYATA n. v. (PI. XVII.) Dense ctespitosa ; rhizoma hand repens. Caulis circ. 30 cm. longns simplex hand ramosus glaber basi foliis 2-4 suffultus apice spicato-paiiiculi- formis basibus exceptis hand foliatus. Foh'a basi caulis quasi-fascieulata louge vaginata cum vagim's 30—40 cm. longa caulcm in longitudine superantia tenuitcr chartacea glabra, vagiuis tubuliformibus 5-10 cm. longis tenuitcr membranaceis ore trtmcatis integris, laminis louge linearibus 20-30 cm. longis 24— 3 mm. latis apice longe lineari-acuuiinatis margine teuuiter scabriusculis ntraque paginc glabris. Panicula tcrmiualis singula circ. 6 cm. longa cylindrica 1—1^- cm. lata basi et basi rami pauiculaj bracteis iustructa crccta, raniis brevibus pauci.s 1 cm. longis asecndentibus liaud patentibus interdum leviter pateutibus ; bractea cum cladprophyllo singula sub ramo paniculoe insita ; bracteis infimis lougissimis fijliiformibus paiiiculaui in longitudine superantibus ; braftcis creteris brevioribus 2-3 mm. lougis subulato-linearibus basi dilatatis. Spiculte a basi ramorum paniculre usque ad apiccin vcl in partc superiore panieula? spicatim dispositte generalitcr bisexuales (sed in. ramo inferiore unisexuales tune floribus lateralibus foeniineis, iis terminalibus masculinis) j spiculse in- feriores interdum ad florcm singulum foemineum reducta?, superiores bisexuales cyliudricse 5-6 mm. longae, floribus inferioribus fbemineis superioribus mas- culinis ; spiculse totse basi bractea sterili et cladoprophyllo instructse (vel clado- prophylluni rarius obsoletum) ; bracteis sterilibus triangulari-ovatis 2 mm. longis 1 mm. latis apice cuspidatis ; cladoprophyllis ovatis 1^—2 mm. longis valde concavis subventricosis apice late trimcatis leviter bidentatis vel hand dentatis exteriore reflexis utriculum reductum amplectantibus. Fl. J : squamis ovato- lanceolatis 3 mm. longis quam squama floris foaminei angustioribus apice CYPERACEJE. 121 acutis ; stamina 3, antheris liiicaribns l£ mm. longis £ mm. latis apice connec- tive brevissimo apiculatis basi snbtruncatis obscure brevissime auriculatis. Fl. ^ : squamis ovatis vcl ovato-oblongis vel ovato-lanceolatis 1^-2 mm. longis apicc acutis; utriculns fructifer ovato-fusiformis 24-3 mm. longus fmni. latus glaber obscure costulatus apice gradatim attenuatus ad sumrnnni brevissime minuteque 2-dentatus basi. obtusus. Nucula ellipsoidea l^mm. longa f mm. lata fusco-castanea apice basique obtusa Ire vis ; stylus basi dilato-incrassatus interdum geniculato-recurvus apice trifidus glaber. HAB. in moiite Morrison, 6000 ped. alt., leg. T. KAWAKAMI et S. SASAKI, Oct. 1909. Differs from the type by the much longer and slenderer culms with longer leaves and by the tubi-formed cladoprophylla. Carex satsumensis FK. et SAV. var. Nakaii HAYATA n. n. (Fig. 35, a-e). Csespitosa 6-7 cm. alta. Folia basi caulis fasciculata, (fasciculi's 5-8-foliatis basi squauiis oblongis instructis, squamis superioribus gradatim ad folium abeuntibus), erecta vel patentia linearia cum vaginis 6-8 cm. longa cum cauli aequilonga vel quam caules breviora ; foliis exterioribus basi vaginatis sed iis interioribus hand vaeriuatis. va Carex HAYATA; .1, a glume ; b, an utriculus ; c, n, nutlet ; mstructis; bracteis ovatis 2mm. longis d> the section of the same; e, the section apicc 2-fidis dorso interdum apice setigeris, of the glume. (sctis 3 mm. longis hirsutis) basi amplexicaulibus ; ramulis ordiuis I. et II. basi bracteis singulis et cladoprophyllis singulis instructis hirsutis ; cladopro- phyllis ramuli ordinis I. semi-urceolatis 2 mm. longis dorso infra apicem ventricosis basin rhachis semi-amplectantibus apice expansis 2-fidis dorso minute plus minus hirsutis dorso nervosis apice margineque tenuiter mem- branaceis medio basique crassiusculis ; bracteis siugulis basi spiculoe insitis late ov^atis 2|- mm. longis 3 mm. latis apice subito subulato-acutis membranaceis ; cladoprophyllis basi spiculee insitis late ovatis 1^ mm. longis 1 mm. latis intus valde concavis extus valde convexis dorso plus minus minute hirsutis apice truncatis 2-deutatis sterih'bus. Spiculte toto bisexuales cylindrico-fusifornies 8-10 mm. longse 1^-2 mm. latse apice acutse basi. obtusse, floribus paucis basilari- bus foemineis cseteris masculinis. Fl. J : squamis floris masculini elongato-ovatis 4£ mm. longis 2 J mm. latis membranaceis apice obtusis medio tenuiter triner- viis; antheris 3 linearibus 2 mm. longis £ mm. latis apice obtusis apice sub microscopic pilis minutis setiforniibus 4-5 instructis. Fl. ^ : squamis floris foeminei ovatis 2£- 3 mm. longis circ. 2 mm. latis apice acutis basi levitcr contractis. Utriculus frtictifer elongato-ellipticus apice attenuatus 3|mm. longus 1^ mm. latus sursum minute hirsutus deorsum glaber trigonus basi 1 24 CYPEHACEJE. obtusus apice 2-dentatus. Nucula fusco-castanea trigono-oblonga 14- mm. longa 1 mni. lata apice obtusa ad styluui abcuns basi actita ad stipitem. 0.3 mm. longuni abeuns trigona ad angulos prominente carinata facie leviter concava ; stylus basi pins minus incrassatus apice 3— fidus. HAB. Hakkutaisan, leg. U. Mom, Sept. 1910. Submenus Eucarex Coss et GERM. O Utricles not, or very shortly, rostrate. Female spicules densely flowered, bracts not vaginate . . Sect. Maxima'. Female spicules loosely flowered, bracts usually vaginate. Nutlet. mitrate at the apex Sect. Mitratacs Utricles long or shortly rostrate, beak 2-toothed rarely entire. Leaves never septato-nodosc (excepting Carex cdliiformis) Scales £ dark purple or dark brown Sect. Fngidcc. Scales ^ ferrugineous or pale, rarely dark-brown. Beaks of utricles 2-toothed or entire. Spicules f mostly loosely flowered, bracts mostly vaginate ; utricles nearly straight ovate-elliptical or narrower, pale green obsoletely nervose Sect. Symenoehkenoe. Spicules $ densely flowered, bracts mostly not vaginate ; utricles at length divaricate, ovate, rich brown or dark green, many-nerved Sect. Tamidce. Beaks of the utricles conspicuously 2-toothed , Sect. Rhomboidales. Leaves septato-uodose (Carex pumila excepted) Utricles glabrous Utricles nienibranaceous long rostrate. . . Sect. Pseudo-cypereae. Utricles subcoriaceous or suberous shortly rostrate Sect. Paludosce. Utricles more or less hirsute Sect. Hirtcc. Sect. Maxiniw. Carex macula! a BOOTT ; IMATSUM. et HAYATA Enum. PI. Formos. p. 495. CYPERACEJE 125 Sect. Mltratcc. 1. Bracts shortly vaginate at the base; spicules ^ oblong densely flowered 2 Bracts long vagiuate at the base ; spicules ^ narrowly cylindrical subloosely flowered 3 2. Scales of ^ and J long caudate at the apex C. breviculmis. Scales of % and J very shortly caudate at the apex . . C. morrisonicola. '•}. Scales of male flowers acute at the apex C. orthostemon. Scales of male flowers very obtuse or truncate at the apex 4 1. Male spicules narrowly cylindrical C. tristachya var. podlli/ormis. Male spicules broadly cylindrical C. transalpina. Carex brevi- culmis R. BE. (Fig. 38, a-e) ; MATSUM. ct HAYATA Enum. PL 5 Formos. p. 493.— Carex chinensis HA- YATA Mater. Fl. Formos. p. 381 (non Retz.). Carex morri- sonicola HAYATA Mater. Fl. Formos. p. 387. Carex trista- chya THUNB. var. pocilliformis KUK. (Fig. 38, j-m) ; MA- TSUM. et HAYATA -p, PI F Fi&' 38» a~e' Varex breviculmis K. BE ; a, a glume : b, sec- tion of the same ; c, an utricle ; d, section of the same ; e, a nutlet. p. 496. Csespitosa. f_i, Carex orthosiemon HAYATA; f, a glume; g, an utricle; h, sec- P T 1 ' fl" °-4 tion of the same ; i, a nutlet, j-m, Carex tristachija, THUNB. var. pocilliformis KUKENTH ; j, a glume; k, an utricle; 1, section of the suffultus glaber erectus same; m, a nutlet. 126 CYPERACEJ3. gracillimus 20-25 cm. longns paucissime ramosus vel hand ramosus versus apicem spiculas 2-4 gerens. Folia basi caulis 3-4-quasi-fasciculata tenuiter coriacea hand rigida glabra vaginata cum vaginis 10-25 cm. longa quani caulis breviora, vaginis 3 cm. longis 14- mm. latis ore obliquis integris, (ligulis integris brevissimis lamelliformibus), laminis linearibus 7— 22cm. longis 2mm. latis apice acumiiiatis rnargine subintcgris sed sub lento retrorse minute molle- que setulosis utraque paginc glabris. Spiculse paucte versus apicem caulis 2-4 sitge ; inferiores lateralesque fceminese ; terminales bisexuales sursum floribus foemineis deorsum floribus masculinis instructs ; vel terminales masculines. Spiculee maseulinse erectao terminales triquetrse cylindrico-filiformes 1-2 cm. longse 4-— | mm. lata?, (bracteis obsoletis). Fl. £ ; squamis mediis vagini-formibus 2 mm. longis apicc obtusissiuiis tenuiter hirtellatis ore obliquissimis glabris ; stamina 3, filamentis glabris brevibus dilatatis fere perfeete se connatis, antheris linearibus 1 mm. longis apice basiquo truiicatis ; rhachillne rectse. Spiculse foeminese cylindrico-lineares 15-18 mm. longoe 3 mm. latre erectte sessiles vel graciliter pedicellata?. Fl. ^ : squamis mediis triangulari-ovatis 2 mm. longis 1^ mm. latis ntriculum fere aniplectantibus 1-costatis apice triangulari-obtusis glabris. Utriculus trigono-obovoideus 2^ mm. loiigus 1 mm. latus apice breve late oblique rostratus, (rostris exteriore recurvis) basi c u neat us hirsutus multo costulatus apicc hand clcntatus sed tenuissime fissus crassiusculus. Nucula castanea trigouo-rhornboideo-obovoidea 1-j longa 1 mm. lata sublsevis apicc truucata basi oblique constricta brevissime stipitata, stipile crasso, apice truucata plus minus depressa parti bus basis styli dilatis mitriforniibus coronate. Stylus apice trifidus. Bractfe basi spiculse infinite insitse foliiformes spiculas 2-plo superantes. HAB. Ritozan, leg. T. KAWAKAMT, Juli. 1913, (No. 4). Xear C, tristachya THUNB. ; but differs from it in having obovate, much shorter nutlets. Carex orthostemon HAY ATA (Fig. 38, f-i), Mater. Fl. Formos. p. 389. Carex transalpina HAYATA Mater. Fl. Formos. p. 398. Sect. Fri-gida'. Scales of male flowers distinctly costate, costa pale yellow. . . . C. Shimadai. Scales of male flowers not at all or very slightly costate. . C.fuhorubescens. CYPEEACEJ3. 127 Carex Shimadai HAYATA (Fig. 39, a-e), Mater. Fl. Formos. p. 396. Garex fulvo-rubescens HAYATA (Fig. 39, f-j), Mater. Fl. Formos. p. 383. a Fig. 39, a-e, Carex Shimadai HAYATA ; a, a glume ; b, section of the same ; c, an utricle ; d, section of the same ; e, a nutlet, f-j , Carex fulvo-rubescens HAYATA ; f , .1 glume ; g, section of the same ; h, an utricle ; i, section of the same ; j, a nutlet. Sect. IfymenocJilcemt'. Carex longispica HAYATA Mater. Fl. Formos. p. 386. Carex Nakaharai HAYATA (Fig. 40, a-d), Mater. Fl. Formos. p. 387. Carex bilateralis HAYATA (Fig. 40, e-i), Mater. FL Formos. p. 380. 128 CYPERACEJE. Carex brunnea THUXB. (Fig. 40, j-n) ; ]\IATSUM. et HAY ATA Enum. PI. Formos. p. 493. HAB. Kotosho, leg. T. KAWAKAMI ct S. SASAKI, Juli. 1912. \ Fig. 4O, a-d, Carex Sakaharal HAYATA ; a, a glume ; b, an utricle ; c, section of the same ; d, a nutlet, e-i, Carex bilateralis HAYATA ; e, a glume ; f, section of the same ; g, an utricle ; h. section of the same ; i, a nutlet, j-n, Cur ex 'brunnea THUNB. ; j, a glume ; k, section of the same ; 1, an utricle ; m, section of the same ; n, a nutlet. Sect. Tnniidce. Lateral spicules ^, with a few male flowers at the base, bracts long vagi- nate, vaginse purple, ^-scales fusco-rubescnt C. attnformis. Lateral spicules only ^, bracts not vaginatc, ^-scales pale-yellow, or sordid stramineous. Utricles 2f mm. long C. pseudojaponica. Utricles 4 mm. long C. Kawakamii. Carex alliiformis C. B. CLAKKE ; KUKEXTHAL Cyper.-Caricoid. in Pfl.- reich p. 618. Carex purpurascens KUK. ; MATSUM. Ind. PL Jap. II.-l p. 129. HAB. Okinawa. CYPERACEJE. 129 392. Carex pseudojaponica HAYATA (Fig. 41, c-d), Mater. Fl. Formos. p. Carex Kawakamii HAYATA (Fig. 41, e-h), Mater. Fl. Formos. p. 385. i n Fig. 41, a-d, Carex pseudojaponica HAYATA; a, a glume; b, an utricle: c, nutlet; cl, sec- tion of the same, e-h , Carex Kawakamii HAYATA ; e, a glume ; f , an utricle ; g, section of the same ; h, a nutlet, i-j, Carex obtusolradeata HAYATA ; i, a glume ; j, an utricle ; k, section of the same ; 1, a nutlet, m-q, Carex chinensis KETZ ; m, a glume ; n, section of the same ; o, an utricle : p, section of the same ; q, a nutlet. 130 CYPEKACEvE. Sect. Rhoinboidales. 1. Male spicules lincari-cylindrical. Female spicules cylindrical 2 Male spicules often subclavatc. Female spicules oblong or ovate C. arisanensis. 2. Scales obtuse C. obtitsobracteata. Scales acute or caudate 3 3. Culms lateral C. atronucula. Culms central O. chinensis. Carex arisanensis HAYATA (PL XVIII.) Mater. Fl. Fonnos. p. 378- Dense csespitosa ; rhizoma hand repens. Caulis teiiuissimus priniuui erectus sed fructibus maturis deorsum recurvus trigonus ad aiigulos anguste alatus interdum efoliatus basi squamis linearibus iiistructus, interdum foliis radicali- bus et foliis caulinis basilaribus suiftiltus glaber simplex vel interdum versus apicem ramo singulo iiistructus ; squamis basi caulis 3-4— sitis. Folia 3-4- fasciculata (fasciculis basi squamis 3-4-suffultis), cum vagiuis 10-40 cm. longa cauli breviora vel sequilonga, vaginis 1-3 cm. longis primum tubiformibus demum toto fissis triquetris dorso prominente carinatis utroque latere apicis auricula 5 mm. longa apice obtusa f mm. lata latere altero cum lamiuis connata latere altero libera tenuissinie membrauacea integra iustructis glabris ; laminis linearibus 7—40 cm. longis 3-7^ mm. latis apice lineari-acuminatis, costa supra impressa subtus carinato-elevata, utraque pagine glabris niargine scaberrimis chartaceis suberectis. Caules vel ranii caulis apice spiculas 1—3 gereutes, spiculis se approximatis. Spicula terminalis singula masculina, iis latcralibus foemineis vel bisexualibus bractea singula instructis, bracteis spicam in longitu- dine sequantibus vel earn superantibus ; spicula lateralis breve vel longc pedicellata, pedicellis basi vagina uua iustructis, vaginis tubiformibus 1 mm. longis subventricosis hyalinis cladoprophylli-formibus ; spicula masculina pedi- cellata, (pedicellis 2 mm. longis hand vaginatis), subclavato-cyliiidrica 6 mm. longa 1 mm. lata triquetra apice obtusa ; squamis mediis oblongis 2^ mm. longis 1 mm. latis apice obtusissimis integris 1-costatis basi rhachin complete CYPEEACE^E. 131 amplectantibus ; stamina 3, filamcntis filiforrnibus 3 mm. longis basi plus minus dilatatis, anthcris linearibus 2 mm. longis -J mm. latis apice subacutis basi sub- truneatis. Spicula foeminea in ambitu cylindrica 6 mm. longa 2 mm. lata 5 -6- florata ; matura 2-3 fructifera ; squaniis mcdiis fructiferis ovato-oblongis 2% mm. longis 1^ nim. latis apice obtusis basi rhachin seuii-auiplectantibus glabris integris. Utriculus maturus trigonus ovoiclcus fusiforrnis apice longe-rostratus cum rostris 6 mm. longus 2 mni. latus basi acutus tenuiter multi-striatus glaber, rostris 2-3 mm. longis apice 2-dentatis. Nucula obovoideo-trigona 3 mm. longa 2 mm. lata apice obtusissima basi acuto-obtusa subflava laevis ; stylus ad basin geniculatim auteriore recurvus tune subito angulo recto ascciideus apice 3-fidus glaber. HAB. Mt. Arisan, 7400 pcd. alt., leg. B. HAYATA, Aprili. 1914. Very much resembles O. jttipes FE. et SAV. (KUKENTHAL Cyperacese- Caricoidere in ENGL. Pfl.-reich p. 640, fig. 109), but differs from it in the more approximately flowered female spicules, and in the very much shortly peduncled male spicules. A sheath which is very much like eladoprophyllum is always present at the base of the pedicel of a lateral spikelct. Carex obtusobracteata HAYATA sp. nov. (Fig. 41, i-1). The description will be given in the next volume. Carex atronucula HAYATA Mater. Fl. Formos. p. 379. Carex chinensis RETZ. (Fig. 41, m-q); BOOTT Illustr. I. (1858) pp. 13 et 74 t. 36 ; MATSUM. et HAYATA Enuni. PL Formos. p. 494. Carex sociata HAYATA Mater. Fl. Formos. p. 398 (iion BOOTT.) Sect. Pseutlo-cyperece. Carex Sasaki! HAYATA (Fig. 42, a-e), Mater. Fl. Formos. p. 395. HAB. Naiito : Suisha, leg. U. MOEI, (No. 3749). Sect. Palndoscv. Carex pumila THUNB. (Fig. 43) ; MATSUM. et HAYATA Enum. PI. Formos. p. 496. 132 CYPERACEJE. Pig. 42, a-e, Carex Snsakii HAYATA ; a, a glume : b. an utricle ; c, the same, seen from side ; d, section of tho same ; e, a m;tlet. f-i, Carex helecarpa C. A. MEY. var. ligulata KUK. ; f, a glume; g, an utricle; L, section of the snme; i, a nutlet. Fig. 43, Carex pumiln THUNB. x 6 ; a, a glume ; b, an utricle ; c, section of the same ; d, a nutlet. CYPEIIACEJE. 133 Sect. Hirtw. Carex hebecarpa C. A. MEY var. ligulata (Noes) KUKEXTHAL (Fig. 42, f-i), Cyperacese-Caricoidea? p. 745 ; MATSUM. Ind. PL Jap. II.-l p. 113. HAB. Mnsha : Sakuragaminc, ad 8000 ped. alt., leg. R. PRICE, Oct. 1912. Agrees pretty well with the specimens so labelled in the herbarium at Tokyo. Section mirertfrin. Carex reflexi- styla HAYATA (Fig. 44) ; Mater. Fl. Formos. p. 393. Carex Dunni HAYATA Mater. Fl. Formos. p. 382. Carex tatsuta- kensis HAYATA sp. nov. (Fig. 45). Densi- ssime csespitosa, rhizo- matibus brevissimis hand repcntibus, radicl- bus fibrosis rigidissimis. Caules semper quasi- gemiiii basi foliis 3-4 snifulti, 4—10 cm. longi foliis breviores, alter longior, alter multo brevior ; caulis longior apice spiculam masculi- iiam terminalem singu- lam ct spicnlas foemiiieas dims laterales gercns ; caulis brevior . , . . Fia 44, Carex reflexistyla HAYATA xl'2; a, n glume ;"'ar, spicula foeminea singula ^.^^ ^ ^ ^ an ^^ c> section o£ the same; d> a termiliatllS ; caulis hand nutlet ; e, the same, seen from another side. 134 CYPEEACE^. ramosus, foliis caulinia iinllis ; bracteis basi spi- oulse insitis (scd spicula foeminca tcrminalis caulis brevioris hand bracteata), bracteis inferioribus longi- oribus 7-8 cm. longis spi- culas 5-6— plo superanti- bus, foliiformibus ; bracteis basi spiculse niasculinse insitis setffiformibus brevi- oribus spiculas in longi- tudiiie sequantibus. Folia tenuiter coriacea 4-5— fasciculata, fasciculi's basi sqnamis ovatis fusccntibus g_^ ingtructis foliis in- terioribus longioribllS CUlil vaginis 16 cm. longis cauli longioribus, vaginis plus minus purpureis tubuliformibus 2—3 cm. longis 1^ mm. latis latere uno fissis vel hand fissis glabris ore obliquis, ligulis brevissiniis lamelliformibus integris hand ciliatis, laminis linearibus 10-13 cm. longis 1^ mm. latis acuminatis margine sub lente scabriusculis supra sub lente vix scabriusculis subtus glabris. Spiculse in cauli longiore circ. 3 versus apicem caulis approximatini dispositse ; terminalis mas- culina ; lateralibus foemineis ; spicula in caulc longiore masculina terminalis cylindrica erecta 1 cm. longa, bracteolis obsoletis, squauiis totis fertilibus quam squama spiculse fceminese lougioribus ; spicula foeniinea lateralis pedicellata, pedicellis 3-5 mm. lougis complanatis latere hirsutis erectis ad basin bracteis singulis et bracteolis singulis instructis ; bracteis foliiformibus iuferioribus longissiniis 8 cm. longis quam spicula multo longioribus, snpcrioribus 2-3 em. longis ; bracteolis ad basin pedicelli singular! ter sitis palei-formibus L'nearibus 2^ mm. longis % mm. latis apice truncatis hyalinis ecoloratis basin pedicelli semi- amplectantibus ; squamis (glumis) spiculse foeminese totis fertilibus mediis elongato- a Fig 4S, Carex tatsutakensis HAYATA x 12 ; a, a glume ; b, section of the same ; c, an utricle ; d, a nutlet ; e, stipe of the same ; f, section of the same. CYPEKACEJE. 135 obloiigis 4 mm. long-is 2 mm. latis apice acutis basi baud contraclis rhachin gpiculse complete amplectantibus dorso prominente carinatis, carinis apice ad setulam 1—2 mm. sc>abram abeuntibus. Utriculus obovoideo-fnsiformis 5£-6 mm. longus 2 mm. latus trigouus facie concavus apice snbito attenuatus ad summimi breve bi-dentatus basi gradatim acuminatus brevissime hir- sutus, pilis yL mm. longis transverse patentibns. Nucula obovoidea trigona facie coneava ad angulos prominente carinata apice obtusa basi triangulari- acuta stipitata, stipite 1^ mm. longo cum utriculo fere perfecte connato apice libero et geniculatini recurvo, stylo basi leviter iiicrassato medio sursum 3-fido, ramis gracilibus crispato-recurvis. HAB. Musha: Tatsutaka, ad 7000 ped. alt., leg. W. R. PEICE, No. 797. The culms of this new species appear to be always in pair which are supported by a single fascicle of leaves at their base ; but in reality, they are not in pair. That they appear to be in pair, is due to the fact that a single culm bears a single branch at its very base. Carex Morii HAYATA sp. nov. (Fig. 46). Folia radicalia ignota. Caulis erectus circ. 80cm. longus acute triqueter gracillimus 1—1 3- mm. latus glaber. Folia caulina mferiora a PC 15-30 cm. distantia lincaria cum vaginis 25 cm. longa, vaginis atro-purpureis 2-4 cm. longis nitidis tri- quetris prismaticis 3-4 mm. latis ore obliquissimis apice gradatim ad limanam abeuntibus, laminis planis circ. 20cm. longis 4| mm. latis apice acuminatis cori- aceis rnargiiie integris scabris facie scabris ; folia caulina basi ranios 1-2 amplectanti- bus, ramis gracillimis erectis. Spiculae ad apicam cauhs vel ramoruni laxe paniculatim C . i> • • ,• Fia. 46, Carex Morii HAYATA x 12; a, dispositse. pamculis in circumscriptione a scale ; b, the same m section ; c, an linearibus circ. 25 cm. longis 4 cm. latis, utricle ; a, a nutlet. 136 GRAMINEJE. pedicellis spiculse gracilliinis 4—2 cm. longis, bracteis sub raino sitis castaiieo- coloratis vaginiforraibus 1-1 1 cm. longis apice setseformibus. Spiculse inferiores bisexuales, superiores masculime ; spicula masculina lineari-cvlindrica plus minus recurva 2-3 cm. longa 1^ mm. lata apice acuminata basi obtusa, squaniis in- ferioribus sterilibus ; sqnamis mediis ovatis 44- nun. longis 2 mm. latis apice acutis ; stamina 3, filamentis glabris, aiitheris linearibus 2 mm. longis ^ mm. latis apice ad connectivum brevissime productis, partibus productis subacutis, basi auriculis brevissimis ; spiculse bisexuales obovatse brevissime pedicellatse 5 mm. latse pauc:i-norat?e ; fl. f mcdii : squamis (glumis) ovatis 3-J-- 4 mm. longis 2 mm. latis utriculo brevioribus apice aeutis obtusis vel cuspidatis margine integris basi perfecte rhachin utriculi amplectaiitibus glabris dorso 1- costatis. Utriculus fusifortnis 64 mm. longus 14- mm. latus apic-c rostrato- attenuatus ad summum 2-dentatus basi breve attenuates dorso convexus facie concavus utraque liirsutus tenuiter multo striatus. Nucula elon«;ato-obovoideo- o elliptica 34-4 mm. longa 1] mm. lata Ircvis dorso convexa facie plaiia apice abrupte rostrata ad stylum abeuns. HAB. Formosa, loco non indicato, leg. U. Mom, 1912. G ramineae. Ariindinarla MICH. Arundinaria Kunishii HAYATA sp. nov. (Fig. 47). Frutex. Ilhizouia rcpens circ. 40 cm. longum 14- cm. in diametro plus minus recurvum, internodiis 2-24^ cm. longis, squamis complete obtectum, squamis stramineis glabris 5 cm. longis apice triangulari-obtusis inter- dum 2-fidis complete rhizoma amplectantibus. Fi^- 47' Arundinaria Eunishii HATATA ; a,, ftn upical portion, a sheath Turio crectus rectus e rhizomate lateraliter Of turion ; b, the same, magnified seen oriuiidus deorsum purpurascens sursum from snr£ace; c' the same' seen from back ; d, the same, in vertical section ; viridescens sparse liirsutus nitidus. Culmus a, natural size; others magnified. GEAMIXE.E. 1 37 crectus rectus 6 m. altus, 2 cm. in diametro ; vagina dcmlua purpurca apico attonuata prinimn ad suinmum truncata sparse hirsuta demum glabra nitida mar- gine ciliata apicc utroque latcre auriculis minutis ct sotis auricularibus instructa, pseudophyllis lineari-triangularibus 5 mm. loiigis 4 mm. latis apice acuminatis, ligtila brevissima villosa ; merithallium nitidum medium 25 cm. longum 9 mm. lattim ; lignum 14- mm. crassuni ; canalis ojmm. in diametro; pulvillus inferior prominente amiuliformis, pulvillus superior tenuiter clevatus, pulvilli a se 7 mm. distantes ; squama bicarinata bifida subglabra. Rami ternatim siti simplices vel pauciramulosi, ramulis 3— 5-10-foliatis ; vaginella valde inibricata 5—10 cm. longa complanata ore truncata, set-is auricularibus utroque latere circ. 10 ercctis rectis vel crispatis ; ligula brevissima Jiirsuta. Folia lineari-lanceo- lata 15-24 cm. longa 2-3^ cm. lata apice subito acuminatissima basi abrupte ad petiolum 5-7 mm. longum abeuntia margine .sursum latere uno hirsuta latere uno scabra, ncrviis secuiidariis utroqnc latcre costa? 7-11, venulis inter ncrvos secundarios 7. HAB. Xanto : Binkiho et Rosniko, Aprili. 1916, leg. B. HAY ATA ; Ivagi : Shokosho, culmus 10 m. altus 2^- cm. in diametro. Near Arundinaria japonica, but differs from it in having ternate branches, and in having shining vaginas of the turions. The vaginas of A. japonica is quite lusterless. Arundinaria niitakay amen sis HAYATA in Tokyo Bot, Mag. XXI. p. 49 et Fl. Mont. Formos. p. 240. Sasa niitakay amensis CAMUS Bambus. (1913) p. 24. In our species, the stamens are usually in three, and the branches are always ternate, — characters quite assignable to Arundinaria, but not to Sasa. As Monsieur CAMUS gave no comment, I can not understand on what ground did he transfer this species to Sasa. Arundinaria oiwakensis HAYATA sp. nov. (Fig. 48). Frutescens. Rhizoma liorizontaliter sympodialiterque repens, partibus novellis squamis inibri- catis obtectis, 5 mm. crassum, radicibus teretibus incrassatis 4 mm. in diametro. Turio erectus rectus purpurascens hirsutus multistriatus, striis viridescentibus, pilis albis vel fulvescentibus caducissimis obtectus; vaginte medise turionis sub- coriacea3 caduca) dorso litrsutne iustus glabrre nitidce basi ad insertioneui dense 138 GRAMINEvE. villoso-hirsutse margine ciliolatae ; pseudophyllis minutis linearibus vel triangulari-lineuribus 7-8 mni.-25 mm. longis basi 1J mm. latis extus glabris intus basi liirsutis semper deflexis intus caiialiculatis ; atiriculis uullis ; ligtila lineari-triangularis erecta recta apice finibriato- ciliata cum ciliis 5-10 mm. longa, ciliis validis 3—4 mm. longis erect! s subrectis sub lente hirsuto-scabridis. Culmus distante situs rectus erectus 300 cm.-440 cm altus, parte iuferiore 11011 ramifera 130 cm.-140 cm longa 9 mm. in diametro, teres baud striatus ; merithal- lium infer! us 23 cm. longum 8 mm. in diametro. lignum 2 mni. crassum ; caualis medullaris 3 mm. in ^j ' diametro ; inferior ptilvillus infundibulari-promiiiens elevatus, superior pulvillus leviter elevatus, pulvilli a se 4—5 mm. distantes ; squama bicarinata usque ad basin sequaliter bifida 2 cm. longa ad cariuas liirsuta cseterum glabra. Kami multo-fasciciilati 60 cm. longi liaud solidi foliiferi ; ramuli tenuissinii 3— 5— foliiferi. Folia lineari-lanceolata 8-15 cm. louga 1—14 cm. lata apice acuminata acuminatissima basi triangulari-cuneata ad petiolum brevissimum abeuntia margine scabra, iiervis secundariis 2— 3-pariis, nervub's 8 inter secundarios ; vaginella 4—6 cm. longa, setae auriculares 8-10 erectis rectis scabris ; ligula oblonga 1^- mm. longa obtusissima liirsuta. Inflorescentia cum ramis foliiferis intermixta ad apiceni ramuli terminalis. Spiculpe 7—10 laxe pani- culatini disposatse longe pedicellatge. Spicula matura 11011 visa. Kig. 48, Arundinana oiwakensis HAYATA; a, a sheath of a turion ; b, the same, seen from surface ; HAB. Musha-Oiwake, ad 7000 ped. alt., leg. B. c' the same' seen from back ; a, natural size ; HAYATA, Aprili. 23, 1916. others magnified. Very near A. niitakayamensis HAY., perhaps a form of the latter. Arundinaria TTsawai HAYATA sp. nov. (Fig. 49). Rhizonia longe repeiis lateraliter turiou.es gereiis 8 mm. iu diametro. Tnrio erectus rectus 139 purpurascens hand nitidus opacus ; vagina media purpuras- cens opaca hand nitida scabra pilis brevissimis fusco-purpureis triangulari -formibus adpresse con- spcrsa niargine sursum ciliolata ; seta? auriculares utroquc latere apicis vagiiise 4-5 sitse rectse erectse hirsutse ; ligula brevissinie Jiirsuta ; pseudophyllis minutis longe triangularibus 4mm. longis o o o 1^ mm. latis apice acuminatis. Culmus distant 3 m. altus prope basin 1-1^- cm. in diametro toto vagi ni s per si stciiti bu s obtectus, partibus non ramifcris 110cm. Fig. 49, Arundinarin Usawai HAYATA ; a, a sheath of a turio ; b, the same seen from back ; c, longis J merithallium inferillS 25 the same seen from surface ; d, vertical section of cm. loil e' another sheath; f, the same seen from surface ; g, the same, seen from back ; h, hairs on pulvillis a se 7 mm. distailtibus, the surface; a and e, natural size; others more or pulvillis inferioribus prominente less magnified. annuliforniibus, pulvillis superioribus baud vel vix prominentibus ; lignum 3 mm. crassum ; canalis medullaris 7 mm. in diametro ; squama bicariiiata 2-fida, segmeiitis linearibus 15 mm. longis ad carinas hirsutis. Rami ternati vaginati, centrale majore, laterales minores. Ramuli vaginati vel interdum nudi 1-2— foliati ; vagiiiella circ. 5 cm. longa glabra apice utroque latere auriculis minutis et setis auricularibus iustructa, ligula minuta fimbriata liirsuta. Folia lineari-lanceolata 11-31 crn. longa 13—43 mm. lata apice acuminatissima basi plus minus oblique obtnsa ad extremitateni subito cuneata ad petiolum 2-5 mm. longum abeuntia margine scabra, nervis secundariis utroquc latere costse 5-8, nervulis inter secundarios 7-10. HAB. Shishitao ad 2000 ped. alt,, leg. B. HAYATA, Aprili. 1916. typus !. Near A. japwnica, but differs from it by the ternate branches on the culms and by the not hairy scabrous luster less presistent sheaths. 140 (JK.VMIXE.1-]. Phyllostachys SIEB. ct Zucc. Phyllostachys pubescens H. LEHAIE Nat. Syst. Bamb. in Act. III. Congr. Int. Bot. p. 233 tt. 55-57. Phyttostachys mitis Riv. ; MATSUM. Lid. PL Jap. II- 1 p. 04. HAB. Rosuiko, cult., leg. B. HAYATA, Aprili. 1916. Xote : — Rhizome repens, culms distant, erect, side branches single or in pairs. Phyllostachys formosana HAYATA sp. nov. (Fig. 50). Arboreseeus vel frutex. Rhizoma repens ; turio purpurascens plus minus maculatus glaber, vagina medio margine liaud ciliolata glabra tenuiter membranacea apice abrupte ad pscudophyllum abeuns trimcata, partibus truncatis 1 cm. latis, apice hand auriculata setulis auricularibus ntillis ; ligula subnulla ; pseudophyllum a Fig. SO, Flnjlloslachys formoaami HAYATA ; a, apical portion of a sheath of a turion, seen from surface ; b, the same, seen from back ; c, vertical section of the same ; natural size. lineare 16 cm. longum 3 mm. latum apice acuminatum margine undulatum et interiore rccurvum. Culnius distans 7 m. longus a basi usque ad 2 m. altitudinem 34- cm. in diametro, rotundatus in sectionc, canalis 2i cm. in diametro ; lignum ^ cm. crassuni ; merithallium in 2 m. altitudinem mcdiocriter 10 cm. longum valde variabile interdum irregulare ut Bambusa lieterodada ; pulvillus inferior distincte elevatus annuliformis, pulvillus superior tenuissime clevatus a iis in- ferioribus 3 mm. distans ; merithallium ramiferum in serttione Q-forme, ramis solitariis vel geminis. Ramuli graciles 1-2-foliati ; vaginella 3 cm. longa 1 mm. lata latere convoluto-imbricata latcre sursuni ciliolata apice pubescens, auriculis iiicTqualibus, una majore una niiuore, scmi-rotundatis hirsutis, ligula minuta hirsuta, setis auricularibus 11011 existis. Folia lanceolata vel lineari- lanceolata 8—12 cm. longa 17 mm. lata apice acuniinata basi obtusa ad petioluui 3-5 mm. longum abeuntia margine scabra, nervis secundariis utroque latere GKAMINEJE. 141 4-5, venulis inter sccimdarios 7. HAB. Rinkiho : Daikosho, leg. B. HAYATA, April!. 2, 1916. Near P. aurea, but differs from it by the turions with purple maculated Vaginae and in the absence of the auricular seta?. Phyllostachys lithophila HAYATA sp. nov. (Fig. 51). Arboresccns. Rhizoma horizontal! ter longe repens teres 2^ cm. in diametro. Turion glaber fulvo-purpurascens plus minus niaculatus striatus, squama media apice obtusa vel acuta, partibus apicaribus cum pseudophyllo a?quilatis, apice marginc hir- suta ; ligula brevissima £ mm. longa apice truncata hirsuta ; pseudophyllum triangulari-lineare in spccimine uostro 8 mm. longum 3 nim. latum basi grada- tim latins hand contractum utraque glabrum, partibus basilaribus carnosis intus hirsutis. Culmus minutissinie striatus distans ercctus rectus 15 m. altus. Merithallium in 2m. altitudinc 4^- cm. in diametro perfecte circulare in sectione ; lignum 6-7 mm. crassum ; canalis medullaris 3cm. in diametro ; pulvillus inferior acute tenuiter elevatus, pulvillus superior obscure tennissime elevatus, vulvillis a se 4 mm. distantibus. Ranii ge- mini vel solitarii ; ramuli 1-3-foliati, vaginella 3-4 cm. longa apice hirsuta, setis auricularibus paucissiniis gencraliter obsoletis nullis ; ligula mcmbranacca cylindrica 2 mm. longa 11110 laterc fissa hirsuta. Folia lincari-lanceolata 10-20 cm. lata apice acumiuatissima basi rotundata vel cuneata ad petiolum 2-7 mm. longum abcimtia supra glabra subtus basi hirsuta ca?tcrum glabra, marginc uno la?vi, uno scabro, ncrvis secnndariis utroquc latere costa? 5-6, venulis inter sccimdarios 9-10. HAB. Rinkiho : Chorin, leg. B. HAYATA, April! . 1916. Near P. Maldnoi HAYATA, but differs from it in having vagina? passing Fig 5]> phyliostachys UthopJdla HAYATA ; a, an apical portion °f -a slie^tl1 of a turion ; b, the same, seen from within ; c, the same in vertical section ; all figures magnified. 142 GEAMINEJE. to the pseuclophylla which are very much smaller than those of P. MaMnoi and in the absence of the auricular setse in the leaves. Turions of this new species are much paler than those of P. MaMnoi. Phyllostachys Makinoi HAYATA (Fig. 52) Ic. PL Formos. V. p. 250- Descriptio aucta : Arborescens. Rhizoma repens tcres vel coniplanatuni 2 cm. in diametro. Turio fusco-pur- purascens ; vagina purpureo- maculata apice obtusa subito truncata, partibus truncatis quam basi pscudophylli duplo latiori- bus, apice hand auriculata hand setosa ; ligula lata quam pseudo- phyllum duplo latior, extus pubes- ceris intus glabra iiitida apice truucata in specimine nostro 20-7 mm. lata 2 mm. longa ; pseudo- phyllum lineari angustum in speci- mine uostro 2-8 cm. longum 3^-8 mm. latuin apice acuminatum basi latissimum supra basin subito con- tractum glabrum. Culmus rectus erectus 15 m. altus. HAB. Rmkiho : leg. B. HAYATA, April! . 2, 191 G. seen from within; natural size. Phyllostachys nigripes HAYATA sp. nov. (Fig. 53). Rhizoma repens teres 6 mm. in diametro fuscens. Turio deorsum purpurascens sursum viridis glabcr ; vagina media in specimine nostro 4 cm. longa 1^ cm. lata apice mem- branaceo-coriacea apice obtuso-trmicata quam basis pscudopliylli latior marginc ciliolata, auriculis iiullis ; ligula | mm. longa iiitus glabra extus hirsuta apice truncata hirsuta. Pseudophyllum h'neari-triaugulare 9 mm. longum 2£ mm. latum. Culmus gracilis fusco-purpurasceus 100 cm. altus. Merithallium medium 13 cm. lougum 4J mm. in diametro in sectioue Q forme uno latere sulcatum ; pulvillus inferior annulariter prominens, is superior plus acute prominens a -o- -i - Fig. 52, Phyllostachys Makinoi HATATA; a, a sheath of a turion, seen from without ; b, the same. GRAMINEJE. 143 eo inferiore 1£ mm. distans, iiodiis valdc promincntibus ; squama bicarinata longe linearis 2-3 cm. longa 1-2 mm. longa extus hirsuta. Kami generaliter gcmini ; ramuli 3-foliati ; vagi- nella 2£ cm. longa glabra, sctis auricularibus utroque latere apicis 4-5 circ. 6 mm. longis ; ligula obtusa 1 mm. longa obtuso-trim- cata extus hirsuta intus glabra apice eroso-ciliolata. Folia lineari- lanceolata 8-9 cm. longa 11-14 mm. lata apice acuminatissima basi obtusa ad petiolum 4—7 mm. longuni abeuntia supra glabra Bubtus prope basin costse hirsuta oseterum glabra margine 1 / \ b v^ 1 5vV Jiiy llB > Fig. S3, Phyllostacfiys nigripes HAYATA ; a, a lino sneath of a turion seen from surf, ice ; b, the same ; c, the same, seen from within ; tl, the same, in vertical latere ecabra uno latere glabra, sectian> showing the ligule; a> natural size; others nervis secuiidariis utroque latere magnified. 4-5, veuulis inter secundarios 9-10. HAB. Hosuiko : Yushako, leg. B. HAYATA, April. 5, 1916. Near P. pubenda var. nigra, but distinguishable from it in having quite glabrous turions. Banibusa SCHREM. Bambusa breviflora MUNRO Monograph p. 96 ; CAMUS Bambus. (1913) p. 118. " Chaume iiierme, arborescent? presque plein, dur, brillant, entre-noeuds longs de 13-16 cm. ; ramcaux fascicules aux noeuds, les inferieurs noueux a la base, arrondis, simples ou rameux, floriferes an sommet, souvent feuilles a la base, mais a feuilles prompteineiit caduques, rarneanx du sommet souvent feuilles, mel^s a d'autres floriferes mis a la base. Feuilles lanceolees, longues de 4—10 cm. larges de 12—18 mm. arroudies a la base, a petiole court comprime, acumiuees-setacees au sommet, a bords rtides a peinc denies, glabrescentes en dessus, hirsutes en dessous, ninnies de 4—5 paires de nervures laterales visible et d'autres intermediaires beaucoup [plus faibles ; gaines sillonnees, glabres^ auriculees, a oreilles ciliees ou parfois longuement fimbriees (18 mm.) Panicule 144 GRAMIXEJE. sur dcs rameaux on ramuscules terminaux, en e'pis verticilles, a verticillcs formes tie pen d'epillets et a pen pres equidistants. Epillets brillants livides, courts, an plus de 14 mm. de long, pauciflores, a 5-7-fl., subcyliiidri- ques, aigus ; racheolc courte, articulec. Fleurs superieures ct inferieures graduellcment imparfaites, les uioyenncs 2-3 hermaphrodites. Fleurs ^ : Glumellc infer, ncrviec, glabre, obtuse, souvent mucronee ; glumelle super. depassant un pen la sup. 2-carenee, a careues finement fimbriees vers leur sommet, miuiie de 5-7 nervures entre les 2 carenes. Glumellulcs 11011 visible- meut nerviees, finement fimbriees. Antlieres a eonneetif obtus allonge. Style surmonte par 3 stigmates. Ovairc stipite, obove, liirsute au sommet. Chine, Forniose : Tanisuy (OLDHAM), Lintliao (CANTRO)." HAB. Mt. Kwannonzan. Bambusa dolichoclada HAYATA sp. uov. (Fig. 54). Rhizoma breve erectum crassum teres 4^- cm. in diametro. Culmus hand spinosus breve csespitosus 10cm. altus in 2m. altitudincm 4i cm. in diametro tcres circularis in sectione viridis ssepe extus albo-cerifer a basi ramifer ; ramis inferioribus efoliatis gracillimis longissimis horizontalitcr patentibus. JNleri thallium ad 2m. altitudincm 30 cm. longum 44- cm. in diametro, lignum 8 mm. crassum, canalis 33 mm. in diametro, pulvillus inferior prominens, is superior obseurus ; pulvilli a sc 7 mm. distantes. llami ad iiodos faseiculati. Vagina media coriaceu extus fusco-hirsuta 24 cm. longa 28 cm. lata margine versus apicem tenuiter hirsuta apicc late truncata, partibus truncatis 16cm. latis plus minus rotundatis vel fere truncatis ; ligula brevissima apice fimbriato-ciliata ; pseudophyllum elongato-triaugulare 17 cm. longuui 16 cm. latum, basi cum partibus truncatis vagina: teqmlatum, basi subito latins supra basin ad margincm valde undulato- crispato-plicatuni hie ibidem longe setoso-barbatum extus subglabrum intus basi dense hirsuto-barbatum ; vaginella 54-7 cm. longa 2-3 mm. lata glabra apicc auriculis conspicuis sctulosis utroque latere instructa, ligula brevissima truncata extus hirsuta •% mm. longa hand ciliolata. Folia lineari-lanccolata 9-18 cm. longa 13-23 mm. lata apice acumiuatissima basi subito rotundato-truncata abrupte ad petiolum 14-2 mm. longum abeuiitia margine scabra supra glabra supra prope latus uiium scabra subtus tenuiter hirsuta, iiervis sccundariis utroque latere eostse 5-7, venulis inter seeundarios 8-9 haud tessellatis. GKAMINE.E. 145 Fig. 54, Bairibusa dollchoclada HATATA ; a, apical portion of a sheath of a turion, seen from without ; b, another portion of the same ; c, the same, seen from within ; cl, the same, in vertical section ; all figures natural size. HAB. Kinkiho: Aprili. 1916, B. HAYATA. Near B. stenostachys HACK., but distinguishable from it by the much larger leaves, and in the unarmed branches and thinly ceriferous culms. The 146 GEAMINE.E. flowers of this species are much larger them those of £. stenostachys HACK. Bambusa dolichomerithalla HAYATA sp. uov. (Fig. 55). Fmtex. Fig. 55, Eamlusa dolichomerithalla HAYATA; a, a portion of :m iuflorescence ; b, a flower; c, a gliune of the same flower, seen from the outer side; d, the same, seen from the inner side ; e, cross section of the same ; g, an apical portion of the same ; h, a valva, seen from the outer side ; i, the same, seen from the inner side ; j, cross section of the same ; k, an apical portion of the same ; 1, m, stamens ; n, o, apical portions of the different stamens ; p, a lodicule ; q. an ovary ; r, basal portion of a vagina ; s, longitudinal section of the same; a, natural size b, c, d, e, h, i, jx 2 ; 1, mx 3 ; p. xG. 147 Rhizoma teres 3 cm. in diametro, internodiis 7-15 mm. longis, ercctum crassum breve. Culmus erectus rectus csespitosus in 2 m. altitudinem 4^ cm. in dia- metro 10 m. altus cum ramis ramulisque perfecte teres, partibus non ramiferis 6 m. longis. Merithallium medium vel informs 25-60 cm. longum 2£ in diametro viride vel albo-striatum, pulvillus inferior tenuiter elevatus duplicato-annulari- formis, pulvillus superior obscurrimus hand elevatus a eo inferiorc 1 cm. distans ; lignum 2^- mm. crassum ; canalis 2 cm. in diametro. Vagina coriacea 10cm. longa 7cm. lata apice late rotundata cum pseudophyllo junc-ta sparse hirsuta, pilis deciduis ; pseudophyllo sub-membranaceo obloiigo-triangulari 1 1 cm. longo 6 cm. lato apice acuminate basi plus minus contracto ; ligula sub- iiulla hand hirsuta. Raini ad nodos dense fasciculati, ramulis elongatis 5-8- foliatis, vaginella 3^-7^ cm. longa 1^—2^ mm. lata, auriculis interdum conspicue evolutis interdum hand evolutis, setis auricularibus interdum evolutis intcrdum hand visis, ligula brevissima truncata intcrdum crcnulata. Folia lineari- lanceolata 9-27 cm. longa 1-3 cm. lata apice acuniinata basi rotundata cuneata, ad petiolum 1-2 mm. longum abeuntia supra glabra subtus hirsuta vel sub- glabra, ncrvis secundariis utroquc latere costse 3-7, venulis inter seeundarios 4-8. Inflorescentia cum foliis interdum intermixta vel interdum hand mixta. Ranii floriferes simplices hand ramosi, inferiores 1 m. longi. Spiculre ad nodos solitaries alternse scssilcs bractea singula caducissima involutes lincari-lanccolata? complanatse 5-6 cm. lougte 1 cm. latse pallido-vi rides glabra3 nitidse teretes 7—8- floratse. Glum?e inferiores non floriferte ; valva ( = gluma florifera) floris medii ovato-oblonga 2 cm. longa 11 mm. lata apice acuta coiivoluta utraquc glabra. Palea plicata in plicato lineari-lanceolata apice acuminata in summo obtusa ciliata 2-carinata ad carinam setuloso-ciliolata extus glabra intus minute hirsuta secus carinam plicata, partibus plicatis meclio 3mm. latis, marginc sursum minute ciliolata. Stamina 6, antheris pendulis linearibus 12 mm. longis apice attenuatis ad suninium emarginatis basi sagittato- 2-lobatis, lobis 1 mm. longis ; lodiculis 3 obovato-cuneatis hyalinis nervosis apice triangulari-acutis erosis liaud fimbriatis. Ovarium obovoideum stipitatum cum stipite 2-3 mm. longum l-£ mm. latum patento-hirsutum, stigmatibus 3 filiformibus hirsutis. HAB. Yusuiko, ad 3000 ped. alt., leg. B. HAY ATA, Aprili. 1916 ; (sp. fl. et fol.) ; Roshinkosho : Kwaiyozan, leg. B. HAY ATA, Aprili. 1916. Culmus 148 GRAMINEjE. 7 m. altus ad 2 m. altitadinem 3^ cm. in diametro. Near JBambusa vulgaris, but differs from it by the nearly solitary and much longer spikelets. Also near B. nana var. normalis, but distinguishable from it by the much longer, iiiternodes, spikelets and leaves. Bambusa Fauriei HACKEL (Fig. 56) ; MATSUM. et HAYATA Enum. PI. Formos. p. 549. Bambusa liukiuensis HAYATA sp. nov. Frutex. Ranii graciles, ramulis 3-5— foliatis, vaginella 2-3 cm. longa glabra apice auriculata, auriculis oblongo-triaugularibus 1 mm. longis ^ mm. latis apice obtusis oblique prominenlibus margine setosis, setis 5 mm. longis scabris, ligula brevissima % mm. longa integra truneata. Folia lanceolata 5-7 cm. longa 8-11 mm. lata apice acuminatissima basi oblique rotundata vel obtusa ad petiolum 1 mm. loiigum abeuntia margine supra glaberrima subtus glaucissima tenuissime hirsuta margine soabra, nervis secundariis utroque latere costre 4-5, venulis inter secuudarios 7-8 hand tessellatis. Pani- culie composite, ramis fasciculatis, bractea ignota. Spiculre liiieari-fusi formes 2 cm. longse ad nodos solitarine vcl 2-3-fasciculatse sessiles, floribus perfectis 3 et eo imperfecto 1 ; gluuiae non-flori feres inferiores minutse superiores majores : valva (fflunia florifera) 12mm. lomra Fig. 56, Bambusa Fauriei HACK. nervosa glabra fere convoluta acuta ; palea plicata a, a portion of the inflorescence ; b, in plicato 10cm. longo If mm. lata apice bifida, a glume o£ a flower> seen from the outer side ; c, the same, with a valva, lobis acuminatis 2mm. longis, dorso 2-cariiiata seen from the inner side; d, cross ad carinas hirsuta, inter carinas glabra, parti- section of the ™me > e' a valva' seen from the outer side ; f, the same, seen bus plicatis 1^ mm. latis. Stamina 6, aiitheris fr0m the inner side; g, the same, in linearibus 6-7 mm. longis 1mm. latis apice cross section; b' a stamen; !» a lodicule ; a, natural size ; b, c, e f x 4 brevissime 2-lobatis basi sagittato-2-lobatis, i, jx6. GRAMINEJE. 149 lobis 1mm. longis ; lodiculse obovatse 2£ mm. longre 1mm.'] latse apice triangulari -acuminata} fimbriatre basi cuneatfe. Ovarium obovoicleum 1(2 mm. longum 1 mm. latum apice globosnm basi longc cuncatimi sursum glabrum deorsum hirsutum, stigmatibus 3 filiforniibus fimbriatis. HAB. Liu-kin, secns rivnlas cresccns, leg. J. MATSUMURA. Fig. 57, Banibusa Oldhami MTJNKO; a," a sheath of a turion, seen from the outer sur- face ; af, basal portion of the same, seen from the inner side, showing the ligule ; b, a portion of the same, in vertical section, showing the ligule ; c, a portion of the inflores- cence ; d, a glume of a flower ; e, the same, seen from the inner side ; f , a palea of the same flower ; g, the same, seen from the inner side ; h, apical portion of the same, more magnified ; i, cross section of the same valva ; j, a stamen ; a, b, c, natural size ; others x 3. 150 GRAMIXEJE. Distinctly differs from B. nana ROXB. in having much smaller and shorter spikelets and in having very prominent auricles at the apex of the vaginella. Bambusa Oldhami MUXRO (Fig. 57) ; MATSUM. et HAY ATA, Enuni. PI. Formos. p. 550. Rhizoma erect um breve crassum. Culuius csespitosus erectus vel plus minus recurvus 12m. altus; meri- thallium in 14-m. altitudinem 25 cm. loiigum 5£ cm. in diametro ; lignum 12mm. crassum; canalis 4 cm. in diametro, pulvillus inferior tenuissimc elevatus, partibus inter pulvillum inferiorem et superiorem tenuiter impressis. HAB. Rinkiho, leg. B. HAYA- TA, Aprili. 1916. Bambusa pachinensis HA- YATA sp. nov. (Fig. 58). Frutex. Rhizoma crassum erectum. Culuius coespitosus 2 m. altus. Rami fasci- culati, ramulis 5— 6-foliatis ; vagi- nella 3^-5 cm. longa sursum mar- gineque hirsuta deorsum glabra, auriculis imequalibus palmiformibus Fig. 58, Bambusa pachinensis HAYATA; a, a 1mm. latis instructa, auriculis part of au ^^acence; b, a flower; c, a glume, seen from the outer side ; d, the same, seen from setosis, setis 5-6, 7 mm. longis the inner side ; e, cross sestion of the same ; f , a hand scabris; ligula brevissima palea' seen from the outer sicle; g' the same' seen from the inner side ; h, cross section of the same ; i, f mm. longa extus hirsuta margine an apical portion of the same ; j, k, stamens ; 1, rn, erosa. Folia lanceolata vel ovato- apical portion of ^e^^ stamens; n, a lodicule; o, an ovary ; a, natural size ; b, c, d, e, f , g, h x 3 ; j, lanceolata 7 £-10 cm. loilga 18-20 k, n, 0x6 others more magnified. GRAMINEvE. 151 mm. lata apice acuminatissima basi plus minus rotundata vel leviter cordata ad petioluni 1^ mm. longuni abeuiitia marginc utroque scabra supra prope costam scabra supra glabra subtus temiitcr hirsuta, iiervis secundariis utroque latere costee 3-5, venulis intcrsecundariis 7-8 tessellatis, inter venn.las pellucido- puiictata. Paniculaj composite non foliiferte ; spicre vel spiculse ad nodos multi- vel pauei-congestse, basi bractea instructs) ; bractea caducissima triangu-* lari-ovata 1cm. longa 5mm. lata apice lamina minutissima cuspidato- triangulari 1^ mm. longa instructa. Spiculre lineares complanatse 3-4 em. longoe 6-7 mm. latte circ. 8-floriferee ; rhachis minute hirsuta, rhacliilla glabra. Valva (gluma florifera) ovata convoluta 13 mm. longa in explicate 10 mm. lata apice acuta cxtus glabra intus sursum dense hirsuta deorsum glabra valde coriacea nervosa ; palea plicata 13 mm. longa coriaceo-membranacea extus ad costas liirsuta cffiterum glabra intus sparse hirsuta apice hirsuta. Stamina 6, antheris linearibus 6 mm. longis apice emarginatis mucronatis basi sagittato- lobatis, lobis 1mm. longis; lodiculse obovatse 3mm. longse 2 mm. latse apice rotundatffi margine longe fimbriato-ciliatse. Ovarium cuiieato-obovoideum 2 mm. longuni 1 mm. latum apice hirsutum deorsum glabrum, stigmatibus 3 filiformi bus hirsutis. HAB. Pachina, leg. B. HAYATA, Mart, 1916. Remarkable for the broader bracts which are almost wanting of a lamina. Bambusa Shimadai HAYATA sp. nov. (Fig. 59). Frutex ; rami et ramuli fasciculati, ramulis 5-1 2-foliatis, vagi nella 1-J- cm. longa glabra, auriculis subnullis, setis auricularibus 5-6 tenuissimis 1-2 mm. longis ; ligula brevissima truncata integra. Folia lanceolata vel lineari-lanceolata 5 cm. longa 6-9 mm. lata apice acuminatissima basi rotundata vel obtusa ad petioluni 1-l.J- mm. longuni abeuntia utraque glabra subtus glauca inargine scabra, nervis secundariis utroque latcrc costre 5, venulis mterseoundariis circ. 7, hand tessellata. Ramuli floriferi ad uodos 2-3-congesti remote spiculiferi. Spiculffi generaliter solitari?e altern^ a se circ. 2^ cm. remotse basi 1-bracteatee ; bractese caducse, vaginellis 1-2 cm. longis, laminis lanceolatis basi abrupte dilatatis cum vaginella sequilatis caducissimis utraqne pagine liirsutis. Spiculse cylindricas plus minus complanata? 3-4 cm. longse 4 mm. latse, floribus 4-5 a se 4-2 mm. clistantibus ; glumse inferiores non-floriferee minores. 152 GRAMINTLE. Valva convolnta 2 cm. longa apice acuta utraquc pagine glabra ner- vosa valde coriacca. Palea coriacco- membranacea 18 mm. lata plicata in plicato lanceolata 18 mm. longa utraquc pagine glabra versus apicem carinata secus carinam plicata, parti bus plieatis 2mm. latis versus apicem ad niarginem ciliolatis, ad apicem 3-4-setuloso-ciliolata. Sta- mina 6, antheris linearibus 1 cm. lougis apice obtnsis einarginatis ; lodiculfe 3 incequalcs hyalinse obovato-oblonga3 apice acutse vcl obtusre erosse. Ovarium fere obo- voideum apice hirsutum sessile hand stipitatnm ; stigniatibus 2-3 ? HAB. Sekimensho, leg. S. SHIMADA, Mart. 1911. Eambusa stenostachys HACK. ; MATSUM. et HAYATA Eiium. PI. Formos. p. 550. Rlii- zoma erectuui crassum. Culmus CSespitOSUS plus minus flcxilOSUS ad Fig 59) Samlusa Shimadai HATATA; a. a 2 m. altitlldinem 4 CUl. in diametro ; portion of an inflorescence ; b, a flower; c, a palea, seen from the outer side ; d, the same, seen from lignum H cm. crassum, canalis 12 the inner side; (V> apical portion of the game; e> mm. in diametro. Mcrithallium cross section of a flower; f, cross section of a palea ; g, h, stamens ; i, an apical portion of a 2 m. altitudmem 25 em. longum stamen. ^ an ovary . a> natural size. others more 3^- cm. in diametro; pulvillus in- or less magnified. ferior valde prominente elevatus, pulvillus superior vix elcvatus, a se 7 nun. distans ; culmus a basi rauiosus, ramis spinesceutibus. HAB. Kinkiho, leg. B. HAYATA, Aprili. 1916. Bambusa tuldoides IMuxno " Monogr. p. 93 ; " CAMUS Bambus. p. GBAMINE^E. 153 117. — "Chamnes a pel no arborescents, fistulcux, a rameaux feuilles, a entre- noeuds sillonnes-stries. Feuilles de ces rameaux, longues de 12-20 cm. larges dc 15-20 mm. lanceolees, arroiidies a la base, petiolees, a bords denticules, a dents eloignecs surtout vers la base, glabres en dessous, mais a toucher rude sur les bords, un peu poilucs en dessous ; ncrvures secondaires 6-8 paires, pen distinctes ; games ciliees vers le sommet et munies de 2 auricules ciliecs et fimbriees, feuilles de la panicule de memo forme mais plus petitcs, attenuees a la base ; a games non munies d'auricules fimbriees et ciliees comme les a utres feuilles. Inflorescence en panicule feuillee, a rachis glabre, brillant dur, arrondi, de 6-8 mm. dc diam., cette pamculo lachement composec, tres rare- ment simple, a rameaux tres inegaux subvert! cilles ; les superieurs 1-3, les inferieurs groupes par 5-6 ; entre-noeuds inferieurs scabriuscules au sommet. Epillets pales, non brillauts, membraueux, cylindriques mi peu comprimes plus ou moins espaces, rarcment agglomeres dense uieiit, longs de 25-30 mm. 4— 8-flores, la fleur inferieure ct les superieures incompletcs. Racheole a la fin visible, brievcment hirsute a sa partie superieure. Glumes petites, ovales- aigue's, a nervure mediane un peu forte. Fleurs ^ : Glumelle inferieure sub- obtuse au sommet, brusquemcnt inucronee ; glumelle superieure presque aussi longue ou beaucoup plus courtc quo Finf. acuminee, terminee par uii fascicule de poils, a carenes brievement ciliees au sommet. Glumellules 3, obovales, obtusiuscutes, finement fimbriees. Etamines a antheres obtuscs. Style tres court. Stigmales 3, tentis. Ovaire stipite presque obovale, hirsute au sommet, couronne par les debres du style et des stigmates. Caryopse de 5mm. de long, obtus, presque glabre." " Chine : Canton, Hongkong, Formose, Tonkin." There are yet two more species of Bamboos in Formosa ; one is very near to a small form of B. doliehomerithatta, and the other is a species with leaves much like those of B. Oldhami and with turion-sheath much like those of PhyUostachys cdulis. 154 MAUATTJACEJE. Marattiaceae. Archangiopteris CHRIST ct GIESEXHAGEX. Archangiopteris Somai HAYATA (PL XIX et fig. 60) Ic. PL Formos. V. p. 256. Rhizoma crassnni breve horizontaliter situm subrepeiis reliquis stipularum et basi bus stipitum approximatim obtcc- tmn, radicibus e facie inferiore rJiizomatis abundanter oriundis incrassatis teretibus. Stipes circ. 50 cm. lungus plus minus squamatus (squamis eastaneis lanceolatis membranaccis acumiiiatis basi subcordatis 2-3 mm. longis) a basi ad 20cni. altitudinem arti- culato-geniculatus ad bio ibidem tumido-incras- satus, basi ad extremitatem subito incrassatus in exsiccate fusco-nigricaus stipulis amplis semi-rotun- datis sublignosis instructus. Frons in circumscrip- tioue ovata herbaceo-membranacea vel herbaceo- coriacea margine deorsum reourva supra atro- viridis baud nit! da plus minus variegata subtus pallidissima 40 cm. longa 25 cm. lata pinnata, pi mil's 4-6 ; pinna terminal! lanceolata 30 cm. longa apice subito acuminatissima, acumine linear! basi 3-4 mm. lato, basi obtusa margine a basi usque ad prope acumen regular! ter crenulata (crenulis ^ mm. longis 1 mm. lads) ad basin aeuminis dentata, (dentibus ascendentibus apice obtusis l£ mm. longis), utraque pagiue glabra, venis lateral! bus simplicibus vel a basi furcatis, veuulls parallelis a costa circ. angulo 90° divaricatis plus minus supariore reaurvis a se 2-3 mm. remotis simplicibus distin -tis hand elevatis baud impressis ad marginem fere attiiigenti- bus vel prope marginem evanescent! bus apice hand elavatis, venulis recurrentibus nullis ; pimiis lateral!- p[g. @o, A pinna of Archangi- opteris Somai HAYATA xf. CYATHEACEJE. 155 bus cum terminali conformibus sed paullo minoribus, petiolulis 5-8 rnrn. longis hand dilatatis hand articnlatis hand geiiiculatis tcretibus in exsiccato fuscentibus. Sori lineares 10-1 2 mm. longi secus vennlas siti ; sporangiis 60-70 2-scriatim dispositis, sub soris pilis sparce sitis ; costa pinnre utraque pagine plus minus elevata. HAB. Urai, log. T. SOMA et B. HAYATA, Mai. 1916. Resembles Arcliangiopteris Henryi CH. et GIES. in having simply pinnate fronds with linear sori ; but differs from it by the much shorter and not tumid petioles of the pinnae, in the very much longer apical tails of the latter, in the gemcnlate stipes with stipules at their very base, and in the less hairy sori which hi our species are located much nearer to the costa than to the margin. Our species is, as a whole, much nearer to Angiopteris than A. Henryi is to the latter. The resembraiice of our new fern with a simple pinnate form of Angiopteris c recta in its young stage is really very remarkable. The form of the stipules and the geniculation of the stipes are very similar in the two. Cyatheaceae. There are in Formosa four genera beloiio-mo; to this family. Dicksonia o o o •/ and Cibotium are distinctly distinguished from the other genera even in sterile specimens. Cyathea and Alsophila are on the other hand much confused in the field, when they are not in fertile specimens. Eight species of Alsophila are recorded from Formosa, while Cyathea is represented only by one, C. spinulosa WALL. As far as I can judge from my field-knowledge, there exist in Formosa only three species of Alsophila and one species of Oyathea — \. e. A. formosana, A. podophylla, A. latebrosa and C. spinulosa. The first two species are distinguishable from the others by the much shorter stems not marked by the leaf-scars. A. formosana is the smallest and usually stemless with quite smooth stipes, while A. podophylla is a little larger with stems usually ^—1 m. long and very mnricate stipes. A. latebrosa is the largest, its stems being marked very distinctly with leaf-scars and 2-20 m. tall, its fronds being ovate-oblong 260-400 cm. long 145 cm. broad, and its stipes being 15 cm. long, nearly smooth or very slightly muricate and covered with numerous white long soft scales at the base, while Cyathea spinulosa is a little 156 POLYPODIACE.E. smaller than the preceding species, its stems being also marked with leaf- scars and 1-4 m. tall, its frond ovate-oblong 170-200 cm. long, 85 cm. broad, and its stipes 40-50 cm. long and very aculeate at the base. These four species are widely distributed in the island from Koshun northwards to Kelimg. They are all that I know from Formosa. As to the other species recorded from the island, A. contaminans, A. pastulosa and A. tomentosa are presumablly forms of A. laicbrosa. A. subglandulosa HANCE is very likely a species of Dryopteris, as far as I can conjecture from a drawing made by myself in the British Museum from the original specimen preserved there ; and finally Alsophila dcnticulata BAKER mentioned in Journ. Bot. (1885) p. 102 and MATSUM. et HAYATA Enum. PI. Fornios. p. 571, is very likely a species belonging also to Dryot&ris. So far as I am aware, we have never seen so small a tree-fern as the latter species described as " stipe about a feet long ; frond ovate-deltoid, 1^ ft. long, tripinnati-fid, but fertile also in a bipinnatc form." Polypodiaeeae.* Athyrhun ROTH. Athyrium cryptogrammoides HAYATA sp. nov. Rhizoma iguotum. Stipes 10-25 cm. longus stramineus basi sparse squamatus, squamis lanceolatis castaneis apice acuminatis 5 mm. longis 1 mm. latis basi hand eontractis. Frons in ambitu oblonga 30cm. longa 15 cm. lata apice acuminatissima basi obtusa tripinnata, pinnis mediis alternis 10 em. longis 3 cm. latis in ambitu lanceolatis apice acuminatissimis basi obtusissimis, pinnulis ordinis I. mediis oblique triangulari-lanceolatis 2 cm. longis 7 mm. latis apice obtusis basi oblique truneatis, pinnulis ordinis II. infiniis longissimis, mediis obovatis 5 mm. longis 2 mm. latis apice obtusis basi oblique cuueatis pinnatilobis, lobis utroque latere circ. 2 lineari-oblongis 1 mm. longis § mm. latis basi hand eontractis apice acutis vel obtusis 1— iierviis, nervis simplicibus hand furcatis prope apicem attingentibus. Sori basi loboruni pinnularum ordinis II. singularitcr siti. Iiidusium lineare reniforme vel cordatum 1-1 nun. longum -f mm. latum margine erosum. Textura chartacea vel chartaceo-coriacea ; pinnoe a rhachibus e For convenience sake, the genera, under this family are arranged in alphabetical order. POLYPODIACE.E. ] 57 frondis angulo cire. 45° agressse ascendentcs, mediis longissimis superioribus gradatim minoribus versus apicom ad lobos acuminium abeuntibus ; aeuminibus frondis lincari-filiformibus utroque latere lobis remotis instructis ; phmis mediis a se 2£ cm. remolds, pinnnlis ordiuis I. mediis a se 10—8 mm. remotis, pimmlis ordinis II. a se 2-3 mm. distaiitibus. Rhachis frondis subteres vel semi-tores straminea 1 mm. in diametro supra sulcata glabra ; rhachis pinnarum ordinis I. gracillima -J mm. in diametro semi-teres glabra ; rhachis pinnularum ordinis II. -I— £ mm. laia plus minus complanata supra profunde sulcata secus sulcum setulosa, setulis erectis 1 mm. longis validiusculis a se 1-1^ mm. remotis. HAB. Gokwanzan, leg. YADA, Dec. 1914. Remarkable for the very narrow linear segments and pinnulis. Blechmiin Linn. Blechnum (Bleehnidium) plagiogyriifrons HAYATA sp. nov. (PL XX.) Rhizoma longe horizoiitaliter repens tores gracile, squamis dense obtectum, squamis castaneo-coloratis ovato-lanceolatis 5 mm. longis 1 mm. latis apice acuminatis vel filiforme-acumiuatis ad summum obtusis basi subcordatis vel rotundatis margine subintegris. Stipes gracilis distans 20 cm. longus cum fronde sequilongus supra tenuiter sulcatus subteres supra pallidus subtus purpurascens basi squajiiatus ceeterum toto glaber. Frons ovato-lanceo- lata 20-27 cm. longa 7—9 cm. lata ad rhachin pinnatifida, lobis vel segmentis approximatis liuearibus, pinnis iuferioribus prope medium longissimis 3^-5 cm. longis basi 8—11 mm. latis basi latissimis falcatim recurvis apice acutis margine integris, superioribus gradatim minoribus ad lobum terminalem abeuntibus, lobo tcrrnhiali 3-5 cm. longo lineari-acuminato integro vel undu- lato ; segmentis inferioribus j>rope basin frondis abrupte minoribus ad auriculas abeuntibus, auriculis utroque latere basis frondis 2-3 vel 4 semi-rotundatis 3-8 mm. longis et latis ; pagiiia teiiuiter coriacca utraque glabra supra atro-viridis subtus pallidissinia vix vel hand nitida, costa frondis supra elevata tenuiter sulcata subtus elevata, costis segmentoruui supra tenuissime elevatis vel impressis subtus elevatis, venis veuulis reticulatis. Sori utroque latere costre pinuae secus costam approximatim siti lineares, a rhachi costse frondis 2 mm. remotis et ab apice pinnarum 1^- cm. distantes. Indusium lineare 1^- mm. latum margine erosuui vel denticulatum ; pinnae ad marginem subito tenuiores deorsum recurva?. 158 POLYPODIACE.E. HAB. Inter Ushoko et Arisan, ad 7000 pcd. alt., leg. B. HAY ATA, April!. 1916. Near Blechnum inelanopum (HooK. Sp. Fil. III. p. 64 t. CLXL) ; but slightly different from it in having less anastomosing veins. In appearance, the present species is very like sterile fronds of Playiogyria faleata which grow 011 rocks with the new fern. Cyclophorus DESV. CyclophoruS Sasaki! HAY ATA sp. uov. (Fig. 61). Khizoma repens teres gracile primnm versus apicem densissime squamatum, (squamis castaneis lineari-lanceolatis 5-6 mm. longis % mm. latis apice aeuminatissimis basi rotundatis peltatim inscrtis, basi ad extremitatem pauce fimbriatis vel hand fimbriatis), demum subglabratum 1 Fig. 61, Cross section of a frond min- in tliametro sectionis remote froiidigerum. of Cydopholus Sasakii HATATA. Froiis a sc circ. 1 cm. distaiis subscssilis vel brevissinie tipitata liueari-lanccolata 3^- cm. longa 3mm. lata apice obtu.sa basi ad stipitcm abeuiis marginc integerrima valdc deorsum usque ad eostam convoluto-recurva supra medio inipresso-sulcata, supra glabra stibtus stellato- pilosa. Text ura crassissima. Sori ignoti. HAB. Shintiku : Ivarizenzan, leg. S. SASAKI, Jan. 11)16. Very near Polypodium angustissimwrn BAKER. Undoubtedly our plant belongs to the same section with that species. Dryopters ADAXS. Dryopteris Sasakii HAYATA n. n. Dryopteris tcnuifrons HAYATA Ic. PI. Formos. IV. p. 184 (non 0. CH.). Dryopteris woodsiisora HAYATA sp. iiov. Rhizoma ascendens crassum dense squamatum. Stipes 4—5 cm. longus dense squamatus, squamis stramineis liueari-lanceolatis circ. 1 cm. longis 1-1 3- mm. latis apice acuminatissimis margine aristis brevissimis miiiutis remote iustructis. Froiis in ambitu ovato-lanceolata apice acuniinata basi obtusa vel truiicata 9 cm. louga 3£— 4 cm. lata pinnata, pinnis divaricatis a rhachi frondis angnlo 90° egressis, superiori- bus gradatim minoribus, pinnis infra medium sitis longissimis lineari-triangu- laribus 18 mm. longis 8 mm. latis apice obtusissimis basi trimcatis brevissime POLYPODJACEJE. 159 stipitatis pinnatifidis, lobis oblongis apice truncatis dcntatis laterc margine integris ; textura herbacea chartaeoa ; rliachis breve sqiiamato-hirsuta ; pagina frondis sub uiicroscopio minute glanduloso-hirsuta. Sori reniformes l^mm. longi 1|- mm. lati basi profunde cordati sacciforme el pulvini-formes, ad sinus inter pinnarnm lobos siti. HAB. in rupibus Arisan, ad 2500 m. alt., leg. U. FAUKIE, Junio 1914. No. 518. Mtttnata CAV. Huniata dryopteridifrons HAY ATA sp. nov. Rhizoma ignotum. Stipes circ. 30 cm. longus glabcrrimus hand squamatus teres supra stramineus subtus castaneo-coloratus. Frons lanedolato-ovata circ. 23 cm. longa 10 cm. lata apice acuminata basi obtusa vel rotundata basi tripinnata sursum bipinnata, pinnis infiniis triangulari-laiiceolatis 10 cm. longis 3 cm. latis apice acnminatis basi latissiniis truncatis bipiiinatis, pinnulis ordinis I. infimis longissiniis superiori- bus gradatim brevioribus versus apiceni ad lobos abeuntibus, pinnulis ordinis I. infimis exterioribus longissiniis 23 mm. lougis 13mm. latis triangulari- lanceolatis apice obtusissimis basi triangulari-acutis pinnatis, pinnulis ordinis II. infimis interioribus obovatis 1 cm. longis 7 mm. latis apice obtusissimis basi cuneatis margine lobulatis, lobulis obtusis ; piunis petiolatis, petiolis infimis 1cm. longis, pinnulis ordinis I. petiolulatis, petiolulis 3mm. longis, pinnulis ordinis II. subsessilibus ; pinnis altcriiis mecliis a se 3j- cm. remotis a rhachibns frondis, pinnulis a rhacliibus pinnarnm angulo 45° egressis. Textura mem- branacea glabra, pagine supra ad sorum rotuiidato-clcvata. Sori ad apiceni loborum lateris superioris vcl infra sinus inter lobos lateris superioris siti ; indusium depresso-rotundatum 2 mm. latuni 1| mm. longum integrum basi con tract inn ad insertioneni 1 mm. latum. = l)avallia dryopteridifrons HAY ATA. HAB. Arisan, ad 2500m. alt,, leg. U. FAUIUE, Junio 1914. (No. 615). Remarkable for the broad lobes of the pinnules of the very thin texture. Monachosorum KUXZE. Monachosorum Maximowiczii (BAK.) HAYATA Tokyo Bot, Mag. (1909) p. 2 ; KODAMA in MATSIT.M. Ic. PL Koishikaw. I. p. 29 t, 15 ; Pdij- podnnn Maximoiriczii BAK. Syn. Fil. p. 504 ; Pol ydlrhuin Maximowiczii DIELS 1 60 POLYPODIACEJE. Nat. Pfl. Fain. I.-4, p. 189. Var. melanocaulon HAY ATA n. v.=Poly8tiehum Maximowiczii var. mclanocaulon HAY ATA. Textura quam typn crassiora ; stipitcs nigro-pur- puraseontes. HAB. Nokozan, April!. 1916. Polypodiutn LINN. Polypodium Sllisha-stagnale HAYATA sp. nov. llhizoma rcpens teres 6 mm. in diametro sectionis viricle adpresse squamatum, squamis fnlvis ovato- oblougis 5 mm. longis 2 mm. latis apiee acutis vel obtnsis basi peltatim cordatis vel profimde cordatis, lobis cordis imbrieatis, margine erosis vel remote erososetulosis. Stipes erectus 65 cm. longu.s stramineus iiitidns. Frons lanceo- lato-liiiearis 60cm. longa 18cm. late pinnati-fida vel subpinnata, pinnis infimis longissiuiis superioribus gradatim minoribus, pinnis lateralibus superrimis minimis, pinna tcrminali loiigiorc ; pinnis lateralibus linearibus infimis 14cm. longis 18 mm. latis apice obtusis vel acuminatis ; pinna terminal i lineari 10 cm. longa 13 mm. lata margine subintegra ; pinnis a rhachi frondis angnlo 45° egressis utraque pagine glabris costis et vein's supra minus subtu.s plus elevatis ; costa frondis utraque clevata hand sulcata, alis angusiissimis 2—3 mm. latis ; frons a mcdio sursum soritera. Sori rotundati 2 mm. in diametro supra valde elevati, subtus valde impressi 1| mm. profundi ; recep- taculum 1 mm. in diametro tenuiter elevatum. HAB. in stagnis Suisha, leg. B. HAYATA, Aprili. 26, 1916. TJie present new fern was found in a very boggy place in a floating island in Suisha-lake. Very near P. longissimum BLUME, but distinguishable from it by the thinner texture and by the deeper sunken sori. Tittaria Sxr. Key to the Formosan Species of Vittaria. 1. Sori sunk in a two-lipped marginal groove (§ EuviUaria) 2 Sori in a slightly intramarginal line, with the unaltered edge of the frond produced beyond and often rolled over it (§ Tceniopsis) . . 4 2. Fronds usually pendulous, very long usually over 30 cm., some- times attaining to 1m. or even more.... 3 O Fronds usually erect more or less recurved at most 30 cm. long. 2-3 POL YPODJ AGEJE. 161 mm. broad Y. anguste-elongata 3. Fronds not tortuous V. elongata Fronds usually tortuous V. tortifrons 4. Fronds very narrow, usually 30 cm. long 2 mm. broad ; sorus on the middle between margin and costa V. mediosora Fronds 4-8 mm. broad 40-80 cm. long, sori located near the margin . . 5 5. Fronds pendulous, scales brownish V. arisancnsis Fronds suberect, scales much darker V. suberecta Vittaria anguste- elongata HAY ATA sp. nov.= Vittaria sp. HAYATA Ic. PI. Formos. V. p. 346, fig. 149-a. Epiphytica ad truncos arboris crescens. Rhizoma dense squamatum dense frondigerum, squamis castaneo-fuscentibus 4—6 mm. longis basi -| mm. latis linearibus basi latissimis J mm. latis apicc subulato- acuminatis margine remote setulosis. Stipes supra subnullus subtus complanatus basi squamatus. Frons longissime linearis usque ad 30 cm. longa usque ad 3 mm. lata apice acuminatissima basi gradatim attenuata glabra margine integra margine hand vel vix reeurva glabra. Textura chartaceo-coriacea, costa supra vix vel distincte elevata subtus plana hand elevata vel plus minus impressa. Sori ad sulcos marginales siti. HAB. Urai, Suisha, Ivelung, Giran, Soseikyaku. Near V. elongata Sw. ; but separable from it in the much smaller fronds which are usually more or less tortuous, and in the scales which are brownish and less dark than those of T". elongata. Vittaria elongata Sw. ; MATSUM. et HAYATA Enum. PI. Formos. p. 625. HAB. Ivaukaukei, Botansha, Suiteiryo, Urai, Raiidaisan. Vittaria suberecta HAYATA sp. nov. Vittaria sp. Xo. HI. Ic. PI. Formos. V. p. 347 fig. 149 j-k. Epiphytica ad truncos arboris crescens suberecta plus minus curvato-desceiidens. Rhizoma cum basibus stipitum dense squamatum, squamis persistentibus fusco-nigricantibus h'neari-lanceolatis 2 mm. longis apice subulato-acumiuatis margine remote setulosis, dense frondigerum. Stipes atro-purpureus basi dense squamatus sursmn glaber brevissimus sub- tetragonus supra sulcatus. Frons longissime linearis 20-50 cm. louga 3^-8 mm. lata apice acuminatissima basi gradatim attenuata ad stipitem brevissimum 1G2 POLYPODIACEvE. abeuns niarginc integerrima in exsiccato doorsum recurva utraque pagine glaberrima, costa supra impressa subtus proniincnte elevata ; textura crassa in exfiiccato vaklc coriacea, vcnis hand visis. Sori iutramarginales. Vittaria lanceola HAYATA in MATSUM. et HAYATA Enum. PI. Formos. p. 625 (non CHRIST). HAB. Musha Oiwake, ad 7000 pcd. alt., leg. B. HAYATA, Aprili. 1916; Mingetsu ; Arisan, inter Iveitao et Goshorin ; Gokwanzan, Urai. Near V. japonioa, but differs from it in the much thicker fronds and in the cellular structure of the scales which are a little darker than those of V. japonica. Vittaria tortifrons HAYATA sp. nov. Epiphytica ; rliizoma repens longissimuin dense squamatum, squamis lanceolato-filiformibus 5-7 mm. longis nigricantibus basi ovatis vel ovato-cordatis 1 mm latis medic linearibus versus apicem filiformibus basi versus longitudinem exteriore plicatis margine remote serrulatis. Stipes 10-20 cm. longus. Frons longissime linearis verticaliter pendula usque ad 220 cm. longa 10-13 mm. lata apice basi quo gradatim angus- tissime acuminata utraque pagine glabcrrima manifesto tortuosa, venis lateralibus distincte visis. Sori ad sulcos mnrgiiialcs siti. HAB. Remogan, leg. B. HAYATA, Mai. 1916 ; Keituo, Oohobi, Ivusuknsu, Taito : Chihon. Near V. scolopendrina THWAITES, but separable from it in tlie thinner and narrower fronds which have costa not impressed |but somewhat elevated on both surfaces, and especially by the sori which are in this new species at the marginal groove, but not intra-marginal. Woodsia. Woodsia polystichoides EAT. Rhizoma brevissimum repens dense frondigernui. Stipes nitidns castaneus vel stramiueus dense csespitosus 3-4^ cm. longns deorsum dense squamatus sursum sparse squamatus et cripato-hirsutus, pilis castaueis crispatis, squamis castaneis lanceolatis 2-3 mm. longis % mm. latis apice acuminatis margine integris vel fimbriis 1—2 instructis basi cordatis vel peltatis. Froiis liucari-lanceolata 5— 9 cm. longa 1^-2 can. lata apice acuminata vel ad snumium obtusa basi cum medio nequilata truncata simpliciter pinnata, pinnis mediis lineari-oblongis 7mm.-llmm. longis 2^mm.-4mm. latis apice POLYPODIACE^E. 163 obtusis basi obliquis, latorc inferiore basi fractis cuneato-acuminatis, laterc snpcriore basi truncatis auriculatis latissimis cum rliachi parallelis, auriculis 4 mm. longis 2 mm. latis apiee obtusissimis, margine subintegris vel repandis ; costa supra iinpressa subtus tenuissiine elevata inconspicua, veuis lateralibus utraque pagine hand elevatis indistinctis basi vel mcdio furcatis, raniis simpli- cibus apice clavatis propo marginem attingentibus ; pagine supra prescrtim versus costam hirsuta, subtus hirsuta et secus costam squamata, squamis lanceo- latis aeuminatis 2 mm. longis \ mm. latis pilis circ. 1 mm. longis articulatis ; textura chartacea. Sori sescus marginem pinnarum 1— seriatim dispositi, prope apicem ramorum venarum lateraliter siti depresso-globosi 1 mm. in diametro. Indusiuni inferum cupuliforme margine lobnlato-erosum intus glabrum extus setuloso-pilosum. Rhachis pilosa et squamata, pinnis alternis sessilibus vel subsessilibus mediis a se 8 mm. remotis, a rliachi angulo recto vel obtnso divaricatls, pinnis superioribus gradatini minoribus ad piunam terniiiialem minutani abeuntibus. HAB. Ariean, ad 8000 ped. alt., leg. U. FAUKIE, Junio 1914. 164 INDEX. INDEX. Orders in capitals \ genera in fall-face ; species in romans ; synonyms and species incidentally mentioned in italics. Acanthephippium BLUME 73 M Yamamotoi HAYATA. 73 Adinandra -TACK } t lasiostyla HAYATA 4 Amorphophallus BLUME. . . 101 campanulatus BLUME. 103 gigantiflorus HAYATA. 101 Anodend'ron A. DC. . . 29 siiishaense HAYATA 29 APOCYNACEJE. 29 ArchangiopteriS CHRIST et GIESESHA- GEN 154 Somai HAYATA 154 ARALIACE.5E 23 Arissema MAET 100 arisanensis HAYATA 100 AR1STOLOCHIACE2E. 36 Aristolochia LINN 36 Shimadai HAYATA 36 it Kfempferi WILLD 37 Arundinaria MICH 136 Kunishii HAYATA 136 Jt niitakayamensis HAYATA. . 137 M oiwakensis HAYATA 137 ,, Usawai HAYATA 138 AROIDE.E. 100 Athyrium ROTH 156 M cryptogrammoides HAYATA.. 156 BERBERIDE^. i Bambusa SCHEEM 143 „ breviflora MUNBO 143 Jf dolichoclada HAYATA 144 ,, dolichomerithalla HAYATA. . . 146 M Faiiriei HACKEL 148 „ liukiTiensis HAYATA 148 )t Oldhami MUNEO 150 M pachinensis HAYATA 150 M Shimadai HAYATA 151 stenostachys HACK. 152 BEGONIACE^. 21 Begonia LINN 21 „ aptera HAYATA 21 Jf fermginea HAYATA 22 M laciniata ROXB. var. formosana HAYATA 22 Beilschmiedia NEES 37 ,, erythrophloia HAYATA. .. 37 Bletia formosana HAYATA 75 Bletilla REICH 75 M formosana (HAYATA) SCHLECHL. . 75 Blechnum LINN 157 ,, plagiogyriifrons HAYATA. . . 157 ,, melanopum HOOK 158 BORAGINKE. si Bulbophyllum THOU 72 M Saitiwatarii HAYATA. . . 72 Jf transarisanense HAYATA, 73 Calanthe R. BE 77 it arisanensis HAYATA 78 ,, raishrensis HAYATA 77 Callicarpa LINN 35 M antaoensis HAYATA 36 M cana LINN 35 Callitriche LINN 21 tt japonica ENGELM 21 Carpinus LINN 62 J} hogoensis HAYATA 62 rankanensis HAYATA 63 CAPRIFOLIACE^ 24 Carex LINN 117 :jt alliiformis C. B. CLAEKE 128 arisanensis HAYATA 130 atromicula HAYATA 131 }J baccans NEES 122 bilateralis HAYATA 127 breviculmis R. Br 125 }J brunnea THUNB 128 chinensis RETZ 131 J» Dunni HAYATA. 133 filicina NEES. 122 INDEX. 165 Carex fulvo-rubescens HAYATA 127 ,, hakkuensis HAYATA 122 M hebecarpa C. A. MET var. liguLita (NEES) KUKENTHAL 133 M Kawakamii HAYATA 129 ,, longispica HAYATA 127 ,, maculata BOOTT 124 ,, Morii HAYATA 135 ,, morrisonicola HAYATA 125 ,, Nakaharai HAYATA 127 ,, obtusobracteata HAYATA 131 ,, orthostemon HAYATA 12G J} pseudo-arenicx>la HAYATA 118 M psendojaponica HAYATA 129 M ptimila THUMB 131 M reflexistyla HAYATA 133 , t Easakii HAYATA 131 M satsumensis FB. et SAV. var. Nakaii HAYATA 121 n satsumensis FB. et SAV. var. long- iculnia HAYATA 120 )f Shimadai HAYATA 127 }> tristachya THUNB. var. pocilli- formis KUK 125 ,, sociata HAYATA 131 , f transalpina HAYATA 125 M tatsvitakensis HAYATA 133 CELASTRINE.E. 14 Celastrus LINN 14 } t elevativena HAYATA 14 „ leiocarpa HAYATA 14 Chamabaina WIGHT 61 M Morii HAYATA 61 Chrysanthemum LESS 26 ,, arisanense HAYATA.. Citrus LINN ,, erythrocarpa HAYATA , Cladium P. BE M jamaicense CBANTZ Clausena BUBM M tetramera HAYATA M Wampi HAYATA COMPOSITE. CONIFERS. . CONVOLVULACE.E. Cordia I -INN ,, Kanehirai HAYATA Corylopsis SIEB. et Zucc 26 13 13 117 117 12 12 8 26 66 33 31 31 20 Corylopsis stenopetala HAYATA 23 Cotoneaster MEDIK 17 ,, morrisonensis HAYATA. . . 17 CRASSULACE.E. 26 CUPULTFER^E. . 62 CYATHEACE.E 155 Cyclophorus DESV 153 ,, Sasaldi HAYATA 158 Cyclostemon BLXJME 42 ,, hieranense HAYATA 42 Cymbidium Sw 79 , , albo- jucundissimum HAYATA 80 ,, arrogans HAYATA 79 ,, sinense WILLD. var. margi- cololatum HAYATA 82 , , oiwakenses HAYATA. . . . . 80 ,, rubrigemmum HAYATA. . . 81 CYPERACE.E. 103 Cyperus LINN 103 ,, dense-spicatus HAYATA 105 , , procerus EOTTB 105 ,, pilosus VAHL 106 Cypripedium LINN 66 M formosanum HAYATA. . . 66 Daphniphyllum BLUME 41 ,, membranaceum HAY. 41 Davallia 159 ,, dryopteridifrons HAYATA. . . 159 Dendorobium Sw 70 ,, Nakaharai SCHLECHTEB. . 71 M Pere Fauriei HAYATA. . . 70 , , sanseiense HAYATA. . . 70 ,, Somai HAYATA 71 Dryopteris ADANS 153 ,, woodsiisora HAYATA 158 }> Sasakii HAYATA 158 M tenuifrons HAYATA 158 Elatostema FOEST 57 ,, herbaceifolia HAYATA. . . 57 ,, lineolatum WIGHT 58 tt lineolatum WIGHT var. major THW 58 f| microcephalantha HAYATA.. 57 Eleocharis R. BB. ... JOG „ acicularis E. BBOWN. .. .. 107 ,, capitata E. BE 107 j,, fistulosa LINK 107 Shimadai HAYATA. 107 1G6 INDEX. Engelhardtia LESCH M formosana HAYATA. ERICACEAE. Eria LINDL „ arisanensis HAYATA Eucarex ^oss et GEEM EUPHORBIACE.E. Eulophia B. BE „ . inacrorhizi BLUME. . . „ ochobiensis HAYATA. Evodia FOEST M hirsutifolia HAYATA. . . melitefolia BENTH. Fagara LINN. 5> Avicennae DC M cyrtorbachia HAYATA. , } laxifoliolata HAYATA. . . J} leiorhachia HAYATA Finibristylis VAHL anpinensis HAYATA. aginkotensis HAYATA. boninensis HAYATA. tikushiensis HAYATA. J? takacensis HAYATA. . . kankaoensis HAYATA. M kagiensis HAYATA . . Fleurya GAUDICH internipta GATJD Forlunella erythrocarpa HAYATA. Galeola LOUB. . . „ ochobiensis HAYATA. Gardneria WALL M nutans S. et Z Shimadai HAYATA. Gastrodia E. BE dioscoreirhiza HAYATA. Gerbera GEON integripetala HAYATA. GENTIAN AC EvE GESNERACEJE. Goodyera E. BE M arisanensis HAYATA. M cyrtoglossa HAYATA. ?J longicolumna HAYATA. M nanicsnsis HAYATA. . . GRAMINE^E E. BE. 61 61 28 73 73 124 41 78 78 78 5 5 6 8 10 8 10 10 108 108 108 109 113 112 111 110 43 43 13 87 87 30 30 30 93 93 27 27 31 34 4 91 91 92 92 92 , 136 93 Gymnadenia leplda EEICHB. . . , , Torainagai ', HAYATA. Habenaria WILLD Miersiana CHAMP. HALORAGEyE HAMAMELIDE.E Heptapleurum GAEETN M arboricolum HAYATA. . . M octophyllum HANCE. Heterosmilax KTJNTH M arisanensis HAYATA. Huraata CAV „ dryopteridifrons HAYATA. Indocarex BAILL Impatiens LINN. M Noli-tangere LINN. M Tayemonii HAYATA Itea LINN arisanensis HAYATA JUGLANDACE.E JUNCACE^ JunCUS LINN Irufonicus LINN leptocladus HAYATA Lactuca LINN M vercicolor Scn-Bip LAURINE^ Lecanthus WEDD Sasakii HAYATA Wight'd HAYATA LILIACE^E Lilium LINN callosum S. et Z Kanashiroi HAYATA talanense HAYATA LOGANIACE^E Lonicera LINN angustifolla HAYATA. oiwakensis HAYATA. transarisanensis HAYATA. LORANTHACE^L Loranthus LINN liquidambaricolus HAYATA . Owatarii HAYATA. . . . Mahonia ^UTT. oiwakensis HAYATA. „ 94 39 94 94 94 21 20 23 23 24 97 97 159 159 120 4 5 4 19 19 61 100 100 100 100 28 28 37 52 52 53 97 97 100 97 98 30 24 25 24 25 38 38 38 39 1 1 INDEX. 167 MARATTIACE2E 15i Meliosma BLUME 15 ,, callicarpacfolia HAYATA. . . 15 Microcarpaea R. BE 34 ,, muscosa R. BK 34 Microstylis NUTT es ,, arisanensis HAYATA 68 ,, monophyllos LINDL 70 Monachosorum KUNZE 159 ,, Maximowiczii (BAK.) HAYATA var. melano- catilon HAYATA 159 Murraya LINN n ,, euchrestifolia HAYATA 11 Myrmechis BLUME 90 „ drymoglossifolia HAYATA... 90 ,, (jradl'is BL 91 Nuphar SM 2 ,, nipponicum MAKING 3 ,, Shimadai HAYATA 2 Parasitipomaea HAYATA ,, formosana HAYATA. . . Pellionia GAUDICH ,, arisanensis HAYATA ,, okinawensis HAYATA ,, radicans WEDD ,, Tashiroi HAYATA ,, trilobulata HAYATA Peliosanthes ANDP. ,, arisanensis HAYATA. ,, courtallensis HAYATA. ,, Tashiroi HAYATA Phajus LOUR ,, grandifolius LOUB ,, maculatus LINDL ,, Somai HAYATA Photinia LINDL ,, lasiopetala HAYATA Phyllostachys SIEB. et Zucc ,, formosana HAYATA. ,, Hthopkila HAYATA. ,, nigripes HAYATA ,, pubescens H. LEHAIE. .. ,, mitis Rrv Phyllostachys Mnkinoi HAYATA Physurus 33 33 53 53 55 55 56 56 94 94 95 96 74 74 75 74 17 17 140 140 141 142 140 140 142 87 Physurus chiuensis ROLFE Picrasma BLUME ....... ,, quassioides BENN ..... Pilea LINN ............... ,, brevicornuta HAYATA ....... ,, funkikensis HAYATA ..... ,, kankaoensis HAYATA ....... „ minute-pilosa HAYATA ....... „ ovatinucula HAYATA ....... ,, rotundinucula HAYATA. ,, Somai HAYATA ..... ,, taitoensis HAYATA ......... Platanthera RICH ........... „ stenoglossa HAYATA ..... Podocarpus L' HER ......... ,, Nakaii HAYATA ..... POLYPODIACE.E. ....... \ Polypodium LINN ........... „ suisha-stagnalis HAYATA. . . Polystichum Maximowicz'd var. melano- caulon HAYATA ....... Quercus LINN ............. ,, longicaudata HAYATA ...... ,, Sasakii KANEHIEA ....... RHAMNEJ5 ........... Rhamnus LINN ........... ,, oiwakensis HAYATA ..... Rhododendron LINN ......... ,, Morii HAYATA ..... Rhynchoglossum BLUME ....... ,, ? Sasakii HAYATA ..... Rhynchospora VAHL ......... ,, longisetigera HAYATA. . . ,, glauca VAHL ....... Rohdea ROTH ............. ,, Watanabei HAYATA ....... ROSACES ............. Rubus LINN ............. rarissimus HAYATA ....... Saccolabium BLUME . . . . . . ,, formosanum HAYATA. SALICINEJE Salix LINN M eriostroma HAYATA ,, suishtensis Sarcochilus R. BR 87 13 13 43 43 45 46 47 48 49 50 51 93 43 66 66 156 160 160 61 64 64 14 14 14 28 28 34 34 116 116 116 97 97 16 16 16 5 15 85 65 65 65 65 83 168 INDEX. Sarcochilus kusukusensis HAYATA. M Saruwatarii HAYATA ..... Sasa niitakayamensis CAMUS ....... SAXIFRAGES ........... Scirpus LINN ............. „ erecto-gracilis HAYATA ..... morrisonensis HAYATA ..... M Sasakii HAYATA ......... M supinus LINN ......... Scleria BERG ............. M pubigera MAKING ....... SCROPHULARIACEyE ..... Sedum LINN ............ - M drymtrioides HAYATA ....... >( uraiense HAYATA ......... SLMARUBES ........... Spiranthes L. c. RICH ......... tt australis LINDL. var. sui- shaensis HAYATA ....... STYRACE.ZE. .......... Swertia LINN ............. M Kurolwai MAKING ....... shintenensis HAYATA ..... Symplocos LINN ........... M theifolia HAYATA ....... Tainia BLTJME ............. ,, laxiflora MK ......... M Shimadai HAYATA ....... TERNSTRCEMIACE^:. Trigonotis STEV Trigonotis elevato-venosa HAYATA. 83 84 137 19 114 114 nr, 115 115 117 117 34 20 20 20 13 86 86 29 31 31 31 29 29 75 77 75 4 38 32 32 Tropidia LINDL, ........... 85 ,, awjulata BLUME ....... 86 ,, Somai HAYATA ......... 85 URTICACE^E ........... 43 Vanilla Sw ,, Somai HAYATA VERBENACE,R Vignea Viola LINN }) senzanensis HAYATA it Tayemoni HAYATA Viscum LINN }J album LINN Jf Alni-formosanse HAYATA. J? diospyrosicolum HAYATA. Vittaria SM. , , anguste-elongata HAYATA. 88 88 35 3 us 3 3 3 40 39 39 41 160 161 M elongata Sw. ; 161 M suberecta HAYATA 161 ,, tortifrons HAYATA 162 Vrydagzynia BLUME 88 formosana HAYATA 88 Wikstrcemia ENDL 38 t) mononectaria HAYATA. . . 38 Woodsia .. 162 polystichoides EAT Zanthoxylum LINN. >? acanthophyllum HAYATA. cuspidatum CHAMP. }> liiokiuense HAYATA. Zeuxine LINDL tabiyalianensis HAYATA 162 6 7 7 6 89 89 ICONES PLANTARDM FORMOSANARUM. VI. PLATE I Explanation of PL I. Nuphar Shimadai HAYATA. Fig. 1. The plant, 2. A flower. 3. The same, sepals partly taken off. 4. A sepal. 5. A petal. (>, 7, 8. stamens, seen from different sides. 9. Ovary. 10. A seed. 11. The same in section. /c. Pi. Formos. Vol. VI. PI. I, F. Hayami, del, K, Nakazawa. sculp ICONES PLANTARUM FORMOSANARUM. VI. PLATE II. Explanation of PI, II. ia HAYATA. Fig. 1. A branch. 2. A leaf. :>. A flower. 4. A bracteole. 5. A sepal. G. A petal. 7. A flower, sepals and petals taken off, showing stamens and stami- nocles. . A flower. 4. The .same, petals taken <>1T. 5. A pelal. 0, 7. Stamens, seen from different sides. Ic. PL Formos. Vol. VI. PI. IV. F, Hayami. del. K. Nakazawa.sculp. ICONES PLANTARUM FORMOSANARDM. VI. PLATE V. Explanation of PI. V. Loniccra oiwakensis HAYATA. Fig. 1. The plant. 2. A leaf. 3. A portion of the upper surface of a leaf. 4. A portion of the lower surface of a leaf. 5. Pair of flowers. 6. The same seen from back. 7. A flower seen from side. 8. Ovaries and a style. 9. Corolla expanded. 10, 11. Stamens, seen from different sides. 12. Ovarv in vertical section. tt 13. A portion of the outer surface of the corolla-tube. Ic. Pi. Formos. Vol. VI. PI. V. F, Hayami del. Nakazawa sculp, ICONES PLANTARUM FORMOSANARUM. VI. PLATE VI. Explanation of PL VI. Chrysanthemum arisanense HAY AT A. Fig. 1. The plant, 2. A leaf. 3. An outer involucral bract. 4. An inner involucral bract. 5. A marginal flower. O 6. Apical portion of the style. 7. Basal portion of the same style with the achenc. 8. A disc-flower. 9. The same, corolla and stamens token oft'. 10. Corolla expanded and stamens. 11. Stamens expanded. 12. An embryo. 13. The same, one of the cotyledons taken off. Ic. PL Formos. Vol. VI. PI. VI, F, Hayami del, K.Nakazawa sculp ICONES PLANTARUM FORMOSANARUM. VI. PLATE VII Explanation of PI, VII. n suisJicense HAYATA. Fig. 1. The plant. 2. A leaf. 3. A flower. 4. A bracteole. 5. Sepals and ovary with disc-glands. 6. Corolla expanded, showing stamens. 7. 8, 9. Stamens, seen from different sides. 10. Disc-glands, expanded. 11. Style. 12. A carpel of the ovary. Ic. PL Formos. Vol. VI, PI. VII, F Hayami, del, K . Nakazawa, sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE VIII. Explanation of PL VIII. Cyclostem. A male flower. 4. Discs in the center of a flower. Ic. PL Formos. Vol. VI. PL VI!!. F, Hayami, del, ICONES PLANTARUM FORMOSANARUM. PLATE IX. Explanation of PL IX, Plica Jearikacensis HAYATA. Fig. 1. The plant. 2. A leaf. 3. A portion of male inflorescence. 4. A male flower-bud. 5. A male flower. 6. 7. Sections of a tube of a perianth taken from different flowers. 8. A perianth-lobe with a stamen. 9. A portion of female inflorescence. 10. A female flower. 11, 12. A perianth-lobe of a female flower, seen from different sides. 13. Cystolithes on a leaf x 13. Ic. Pi. Formos. Vol. VI. PI. IX. F. Hayami. del, K.Nakaxawa.sculp ICONES PLANTARUM FORMOSANARUM. VI. PLATE X. Explanation of PI. X, >s!s HAYATA. Fis;. 1. A branch. O 2. A bract on the peduncle. 3. A fructiferous bract, seen from the inner side. 4. The same, seen from the outer side. 5. A premature achene. 6. The same, in section. Ic. Pi. Formos. Vol. VI, PL X. /C< ^ ( '' - '" ^L< F Hay an i K.Neikazawa sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XI. Explanation of PI. XL Microstylis arisanensls HAYATA. Fig. 1. The plant. 2. A flower. 3. A dorsal sepal. 4. A lateral sepal. 5. A petal. 6. A labellum. 7. The same, seen from side. 8. The same, in cross section. 9. Column. 10. The same, seen from side. 11. A pollininm. Ic. PL Formov. Vol. VI. PL XI. > \ / 5 E Hayami, del, K.Nakazawa, sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XII. Explanation of PL XII. Tainia Shimadai HAYATA. Fig. 1. The plant. 2. A flower. 3. A dorsal sepal. 4. A lateral sepal. 5. A petal. 6. A lip. 7. A column with the operculum. 8. The same, seen from dorsal side. 9. A pollinium. 10. The same, seen from side. Ic. PI. Formos. Vol. VI. PI. XII. tv Hayami del. K.NakazaW:j ICONES PLANTARUM FORMOSANARUM. PLATE XIII. Explanation of PL XIII. Tropidia Somai HAYATA Fig. 1. The plant. 2. A flower. 3. A backward sepal. 4. Two lateral sepals. 5. A petal. 6. A lip, seen from side. 7. The same, basal portion cut and expanded. 8. A column; ros.=rostelluni ; a = anther. 9. An anther with po iuia. Ic. PL Formos. Vol. VI. PI. XIII. F. Hay-ami del. K.Nakazawa sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XIV. Explanation of PL XIV. I'iniitlii Somai HAY ATA. Fig. 1. The plant, n. s. 2. A backward sepal, n. s. :;. A lateral sepal, n. s. 4. A petal, n. s. 5. A lip, 11. s. 6. The same, magnified. 7. The same, in vertical section. Ic. PL Formos. Vol. VI. PL XIV. F. Hayami. del. K. Nakazawa. sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XV. Explanation of PI. XV. Peliosanthes arlsanensis HAYATA. Fig. 1. The plant. 2. A flower. 3. The same in vertical section. 4. A portion of a staminal tube, showing two anthers. 5. A stigma. 6. 7. Seeds. 8. Cross section of a seed. Ic. PL Formos. Vol. VI. PL XV. JF. Kay ami. del. K.Nakazawa. sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XVI. Explanation of PL XVI, Rohdea Watanabei HAYATA. Fig. 1. Tlic plant. 2. A flower, x 3. 3. The some in vertical section, x4. 4. An interior lobe of the perianth, X 6. 5. 6. Stamens seen from different sides, X 6. 7. Ovary, seen from top, x 6. 8. Cross section of ovary with perianth-tube. 9. A fruit, n. s. 10, 11, 12. Seeds, seen from different sides, x3. Ic. PI. Formos. Vol. VI. PI. XVI. 10 V- iiayarrii, del. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XVII. Explanation of PL XVII. Garex satsumensis FK. et SAV. var. longkulma HAYATA. Fig. 1. The plant, 2. Spikclct, 3. A bract at the base of a spikclct, 4. A cladoprophyllum. 5. The same, seen from side. 6. A scale of a female flower. 7. An utricle. 8. A nutlet. 9. 10. Other forms of nutlets. 11. A male flower. 12. Cross section of a nutlet. Ic. PL Formos. Vol. VI. PI. XVII. 12 F. Hayami, del, K.Nakazawa. sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XVIII Explanation of PL XVIII. Carex arisancmis HAYATA. Fig. 1. The plant. 2. A portion of a loaf, showing a lignlo. 2'. A section of the .same portion. o. A male spikclet, anthers fallen oiF. 4. A glume of a male flower. 5. A glume of a female flower. O 6. 7. Utricles seen from different sides. 8. Section of the same. 9. A nutlet, Ic. PL Formos. Vol. VI. PL XVIII . 6 8 F. Hayami. del, K . N akaz awa , sculp . PLANTARUM FORMOSANARUM. VI. PLATE XIX. Explanation of PI, XIX. Archangiopteris Somai HAYATA. Fig. 1. The plant. 2. A scale. 3. A sorus. 4. 5. Sporangia. 6. A hair of an indusium. Ic. Pi. Formos. Vol. VI. PL XIX. 3 K.Nakazawa. sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XX. Explanation of PL XX. Bleelmum plagiogyriifrons HAY ATA. Fig. 1. The plant. 2. A scale on the rhizoina. 3. A pinna, indusinm and sporangia taken off, showing venation. 4. 5. Basal and apical portion of a pinna. 6. Cross section of a fertile pinna. 7. Portion of the same section, showing the receptaculum. Ic. PI. Formos. Vol. VI. PL XX. F Hayami. del. K.Naka.zawa.sculp.