CAROLO SPEGAZZINI FUNGI PATAGONIGI ic^v ^' :^P^'-' Articulo pxihlicado en el Boletin de la Academia Nacional de Ciencias DE C6RD0BA, tomo XI, pdcjinos 5 i/ siguientes BUENOS AIRES IMPRENTA DE PABLO E. CONI E HIJOS, EF 60 — CALLE ALSIN/ 1887 .1=-^. Papers by Carolo Spegazzini I. — Pungi Ouaranitici-«*PugillU8 I. o Pugillus II. 3 Pungi Puiggarianl— Pugillus I. 4 Pungi Puegiani- 5 Pungi Patagonici- 6- — Las Trufas Argentinas- 7-« Las Paloideas Argentinas- U-^ Ct.oU Av*" --^-^ .G • Cor4oba,. U '. I 2>o ■"2)6>S . Lc \».aLK. .a.Kioui. wixo-i-r^. Se^t.^W.- FUNGI PATAGONICI AUCTORE CAROLO SPEGAZZINI HYMENOMYCETEAE Fr. 1. Agaricus (Lepiota) bowaereinsis Speg. — Fung. Arg. pug. III, n. 1. Hab. Vulgatus in herbosis secus Rio Negro et prope Bcihia Dlanca, Mart. 1883. 2.? Agaricus {Tricholoma) magellanicus Speg.(n. sp.). Diag. Pileus applanatus (7" diam,), \ix marginem versus undulato-incurvulus, sordide fulvescens v. albo-sub- ochraceus, exumbonatus, glaberrimus, laevissimus, non hygrophanus. Lamellae albae, subcoufertae, antice acu- tiusculae, postice rotundato-sinuatae (3" long. X 8'" lat.), crassiusculae, acie tenuiores mox denticulato-sub- repandae, carne pilei arcte adnatae. Stipes rectus, lon- giusculus, crassus (7" long. X 18-20'" diam.), albus, laevissimus, farctus, saepe compressulus ac subtortus. Hab. In campis prope Gregory bay in Freto magella' nico, April. 1882. _ 4 — Obs. Caro pilei tenuis vix centro bene evoluta, alba, sub- exsucca, llocculosa, sub sectione dilute fuscescens ; illa stipitis fibrosa tenacella, alba ; vehun nulluni ; cutis pileo facile separabilis ; odor funginus gratus saporque acidulus parum nianifestus. Species notis nonnuUis Cortinario talo Fr. acce- dens, sed characteres sporologici deficiuut. 3. Agaricus (Clitocybe) tehuelches Speg. (n. sp.). Diag. Cyatliiformis ; pileus bcinisphaericus v. lenticula- ris, centro j)Ius minusve uml)iiicatus (10-15'" diam.), extrius, testaceus v. testaceo-rubcscons, margine inte- gro, obtusulo, repandulo, hygrophanus (?). Lamellae paucae, distantes, crassiusculae, non raro deorsum con- fluentes, arcuatae, dimacriac, antice obtusiuscule acu- tatac, postice acutato-decurrentes, albo-ceraceae v. sub- roseolac, acie integra, crassiuscula, saepius fuscescentc donatae. Stipes saepius deorsum attcnuatus, laraellis concolor, glabcrrimus, laevissimus, vix pruinuloso-ra- dicatus, farctus (10-1 2'" long. X 2'" crass.). Hab. Ad terram muscosam in Gregory bay in Freto ma- gellanico, April. 1882. Obs. Caro stipitis et pilei lamellis arcte adnata, hygro- phana, carncola, succosa. Sporae albae. Species ad Omphalias nonnihil vergenset ^(y. pyxi- dato Bull. proxima. 4. Agaricus {Clitocybe) patagoiMclm Speg. (u. sp.). Diag. Pileus primo hemis{)hacricus dein explanato-um- bilicatus (1-2" diam.), lacvissiuius,. glabcrrimus, niar- giue intcgcr plus minusve undulato-rcpandus, laxe et vix manifeste striatus (non plicatus), sordide albus v. albescenti-cinerascens, hygrophanus. Lamellae subcon- fertae, polimacriae, arcuatae (2'" lat.), antice obtu- sato-rotundatae, postice attcnuato-dccurrentes, a sti- — 5 — pite facillime secedentes, acie integerrimae, pileo con- colores v. pallidiores. Stipes fistulosus, teres \ix basi subincrassatulus (15'" long. x 2-3'" diaui.), laevis, gla- berrimus, fibrosulus, pileo concolor, mycelio ali)o-ara- neoso V, gossypinulo latiusciule expanso radicatus. Sporae albae. Ilab. In pratis arenosis sub umbra arbuscularum prope Punta Arenas in Freto magellanico, April 1882. Obs. Caro pilei tenuis, hygrophana, mollis, lamellis ad- nata ; illa stipitis fibrosa. Sporae hyalinae, globosae (3-3,5 [j. diam.) laeves. Species Ag. exjjallenti Pers. valde aflinis. 5. AGAmciJS (Clitocybe) laccatus Scop. — Fr.^Hym. Eurp. p. 108, n. 332. Ilab. Ad terram herbosam sub umhra Salicis humbold- tianae secus Rio Negro, Mart. 1883. Obs. Species valde polymorpha, sine dubio cum illa euro- pea identica ; specimina patagonica saepius colore ob- scuriore et pileo margine repando-sublobato gaudent. 6. Agaricus (Mycena) exquisitus Hook. — FI. Ant., vol. 11, p. 447. Hab. Ad ramos dejectos putrescentes C/iirioi>'ic/ii amel- loidis prope Punta Arei^as, Aug. 1882. Obs. Basipes; pusillus, fulvus, puberulus, sparsus; pileus primo subhemisphaericus, margine intus subincurvulus, densiuscule pilosus, dein subcampanulato-expansus, (quandoque irregularis), dense puberulus, margine acu- tiusculus, rectus, integer, fulvo-melleus, centro inten- sius coloratus ; lamellae paucae, distantes, 4 v. 6 lon- giores, truncato-adnatae, non decurrentes nec sinuatae, pro ratione crassiusculae, acie integrae, cum minoribus plus minusve evolutis alternae, albae v. dilutissime albo-melleae ; stipes centralis sub pileo abrupte iucur- — G — vatus, teres, exilis, longitudine latitudinem pilei aequans, eoque concolor v. \ix obscurior, in juventute pilosus, dcin superne tantum ut pileus puJjerulus, basi irregula- ritcr innatus, subinsitilius, mycclio dilatatulo, araneoso- coinpactiusculo, albo donatus. Pileus nec hvgrophanus nec striatus ; sj)orac ignotae. 7. Agaricus [Mycena) capillauis Schum. — Fr., Hym. Eurp. p. 153, n. 519. Hah. Ad ramulos nec uon folia coacervata putrescentia in sylvis prope Voces bay sub Monte Tarn, Maj. 1882. 8. Agaricus {Mycena) purus Prs. — Fr., llym. Eurp., p. 133, n. 434. Ilab. Ad folia ncc non ramenta coacervata putrescentia prope Patagones, Aug. 1883. 9. Agaricus (Pleurotus) applicatus Batsch. — Fr., Hym. Eurp. p. 180, n. 035. Hab. Ad ramos emortuos dccorticatos Embotryi coccinei prope Cabo Negro in Freto mageltanicOj Jul. 1882. 10. Agakicus [Pteurotas) berijeiudicolus Speg. (n. sp.). Diag. Pusillus, gregarius, resupinato-scutcllatus, ater, lamcllis albis ; pileus scutatus, dorso adlixo, plus mi- nusve regularis, saepius postice sinuatus v. fissus, siccus velutinus (sed non pruinulosus), udus glaber, dense viscosus, ater v. atro-brunneus, margine recto, integro, in juventuteinvoluto; lamellae confertiusculae, ])olimacriac, strictae, crassiusculac, acie integrae, ccn- trum pilei non attingentes. Ilah. Ad truncos dccorticatos cariosos Berbericlis ilici- fotiae in sylvis prope Punta Arenas, Jul. 1882. Obs. Praeccdenti statura, coloreaflinis, pileo tamcnglabro, lamcllis albis confertis reccdcns. Margo pilci lamcUas nonnihil excedens, strictus, ctiam intcr illas brunneus. 11. Agaricus {Plenrotus) gossypinultjs Speg. (n. sp.). Diag. Pusillus, candidus, gregarius, deuse gossypino- puberulus ; pilei excentrici, subresupinati, dimidiati v. subcupulati, deorsum sinuati, stipite minimo iufero donati V. sessiles, superne denseacdelicatissimegossy- pino-pilosuli, margineacutiusculo, primo regulariterin- tus subinvoluto dein recto repandulo. Lamellae paucae, strictae, polimacriae, utrinque acutiusculae, plus mi- nusve evolutae, marginales minores, candidae subveni- formes, glaberrimae, laevissimae, integrae. Hab. Ad corticem putrescentem Fagi obliquae prope Punta Arenas, Jal. 1882. Obs. Species statura et coloreAg. chioneo Pers. cognata. 12. Agaricus (Pleurotus) tarjneksis Speg. (n. sp.). Diag. Solitarius ; pileus lobato-subdimidiatus, profunde umbilicato-cyathiformis (4-4,5" diam.) sordide fusco- carneus, laevissimus, glaberrimus (vix sub iove pluvio viscidulus), margine acutus, curvulus, repandulus, plus minusve perspicue striatus (au sulcatus?), pulclire hy- gropiianus. Lameilae latiuscuiae, crassiusculae, cera- ceae, polimacriae, saepe basi subcontluentes, antice obtusato-rotundatae, postice attenuato-acutatae, adnato- decurrentes, in juventute subcarneo-pruinulosae, in senectute dilute vinoso-maculatae. Stipes (2,5" long. X l" crass.) irreguhiriter compressus, Lite fistulosus, sordide aibus v. albo-subcarneus, basi irregulari- ter adfixus, arrhizus, ghiberrimus, laevissimus. Spo- rae cylindraceo-ellipticae, utrinque obtuse rotundatae (6-6,5 X 2,5-3 [.;.), inferne excentrice apiculatae, hya- linae. 13. Agaricus (Claudopus) variabilis Pers. — Fr., Hym. Eurp. p. 213, n. 781. Hab. Ad truncos putrescentes dejectos Fagi aritar- — 8 — cticae in s^lvis prope Voces bay sub Monte Tarn, Maj. 1882. Obs. Pileiis videtur e duobus dimidiatis, opj)ositis basi confluentibus fere elTorniatus ; caro pilei stipitisque cuin hynienio contluens, primo alba dein pileo concolor. Ilab. Ad ramos dejectos putrescentes Mayteni magel- lanici in sylvis prope Voces bay, 3raj. 1882. 14. Agaiucus {Phollota) sunFLAMMAivs Speg. (n. sp.), Diag. Fulvo-cinnamomeus; j)ileus hemisphaerico-expla- natus (2-3" diam.) margineacutiLisculo primorecto dein nonnihil revoluto, hygroj)lianus (?), minute (sed non semper) squamulosus, puJchre ochraceo-v. cinnamomeo- fulvus. Lamellae membranaceae, subcontertae, poli- macriae, pileo vix pallidiores, in senectute subcarneo- ochraceae, antice acutato-rotundatae, postice attenuatae, adnato-decurrentes, acie integerrimae. Stipes tistulosus teres (3-3,5" long. x 3"' diam.), centralis, inferne incurvus, sordide ochraceo-carneus v. fulvus, ad tertium superum laevissimus, glaberrimus, ad tertium inferum subanulatim squamulosus (an veli vestigia?), squamulis majusculis saepius deorsum albicantibus, basi incrassa- tulo-rotundatus, mycelio albo, hispidulo, muscis ligno- que putrido adnato. Sporae ellipticae, utrinque obtuse rotundatae v. subtruncatae (4-.') X 2-2,5 [;,), laevissi- mae, ferrugineae. Hab. Ad truncos dejectos j^utrescentes Berberidis ilici— foliae in Voces bay, Maj. 1882. Obs. Caro pilei lamellis stij^iteque arcte adnata, pileo concolor, subhygrophana. Haec species Ag. flammanti Fr. valde aflinis, sed ritc distincta ; an melius Flam- mulis adscribenda ?. t5. Agaricus (Ftammula) Frovvaiidii Speg. (n. sp.). Diag. Solitarius, flavo- v. roseo -virescens, majusculus ; — 9 — pileus applanato-expansus (6-7" diam.), centro non v. vix umbonatulus, umbone nounihil umbilicatulo, mar- gine integro undulato, non v. \ ix revoluto, hygrophanus, centro rufescenti-fulvus, caeterum fulvo-v. melleo- virescens. Stipes teres, longus (10-12" long. X 6-8'" crass.), laevissimus, glaberrimus, latissime fistulosus, fibrosulo-fragilis, fulvo-v. melleo-flavicans, submicans, rectus. Lamellae confertae, tenues, membrauaceae, po- limacriae, strictiusculae (3'" lat.), utrinque acutatae, adnato-subdecurrentes, pallide lutescenti- v. fulvescenti- virescentes. Sporae subgloboso-ellipticae v. ovatae, inferne apiculatae (5-6 X 4 ;;,), in sicco compressae, pallide ferrugineae. Hab. Ad terram inter folia coacervata in sylvis prope Voces bay, Maj. 1882. Obs. Species pulcherrima. Stipes quandoque inferne squamulis fuscescentibus laxe vestitus ; lamellae bre- viores postice longe attenuato-adscendcntcs, longiores truncato-aduatae saepe denticulo subdecurrente dona- tae. Caro pilei tenuis cum stipite et hymenio continua, succosa, albo-subflavescens, hygrophana ; illa stipitis flavescens, fibrosa. Velum nullum. 1 6. Agaricus (Naucoria) melooides Fr. — Hym. Eurp., p. 257, n. 962. Hab. Yulgatus ad terram in pratis marittimis prope Cabo Possession in Freto Magellanico, April. 1882. Obs. Pileus hemisphaerico-rotundatus (15"' diam.) non v. vix obtusissime subumbonatus, margine latiuscule in- flexo, regulari v. plus minusve repando-undulato, pul- chre testaceo-v. castaneo-fulvescens, centro obscurior, glaberrimus, laevissimus v, saepe minute papillulosus. Lamellae latiusculae, albo-virescentes, di-tri-macriae, plus minusve confertae, antice obtuse rotundatae, po- stice truncato-adnatae. Stipes rigidulus, teres, curtus — 10 — (2" long. X 3'" crass.) basin versus saepius attenuatus, lenacellus, fibrosulus, laevis v. vix lcnissime longitu- dinaliter striatus (in juvcntutc saepe dense grosseque luteo-papiilosus), tenuiter fistulosus, obscuriuscule ru- escens vix superne pallidior ac sublutescens, basi nodu- losus intense ociiraceus et vix nivceliferus. Caro pilei subexsucca, compacta, alba v. dilute lutescens v. vire- scens ; ilia stipitis tibrosa, fulva v. dilute subocliracea, lamellis arcte adnata. Species sacpius dcnse gregaria v. nielius li-o-coespi- tosa, parvuia, pulchella, odore et sapore nullis. Sporae ellipticae, utrinque obtusc rotundalac (6-7 X 3 i;.), laeves, ferrugineae. Specimina sparsa duplo majora pileo irregulari saepe etiam inveni, sed nullo modo a praecedenti separanda. Ut e descriptione constat, species nonnihil a typo friesiano recedit ; an varietas?. 17. Agaricus (Naucoria) gregorianus Speg. (n. sp.). Diar). Parvulus, solitarius, .'i-5-coespitosus ; pileus hemi- sphaericus (10-15'" diam.), ochraceus v. testaceus v. rubescenti-fuscus, glaberrimus, laevissimus, margine integro ; lamellae utrinque rotundatae, antice obtu- siusculae, postice adnatae, o-macriae, ochraceae, pileo vix pallidiores ; stipes teres, tenuis (2" long. X 2'" crass.}, nou v, vix deorsum attenuatus, glaberrimus, laevissimus, tenacello-librosulus, basi parce mycelifero- radicatus, minute fistulosus, pileo concolor. Hab. Ad muscos inter gramina in Gregory bay, Apr. 1886. Obs. Caro pilei tenuis vix centro evoluta, pauca, pallide fulva, cum stipite hymenioque continua. Hujus speciei commixtae varietates (an species?) duo occurrunt: 1" Pileo pallidiore in scnectute saepius explanato ac re- — 11 — Yoluto, decolorato, hygrophano, margine densiuscule fusco-striato. IP Pileo obscuriore, vix hygrophano, margine extrio. 18. Agaricus (Galera) tener Schaeff. — Fr., Hym. Eurp., p. 267, n. 1003. llab. Abunde in herbosls umbrosis secus Rio Negro prope Patagones, Sept. 1883. 19. Agaricus (Crepidotus) rrunsvvickianus Speg. (n. sp.). Diag. Pileus diinidiatus (3' lat. maj. X 1,5" lat. min.), antice rotundatus, postice subreiiiformis v. cuneatus, in stipite brevissimo, albo, dense irregulariterque papil- lato-tomentosulo, crassiusculo productus, margine in- tegro, incurvo donatus, glaber, laevissimus, pallide melleus v. fulvo-lutescens, sub iove pluvio hygropha- nus ; lamellae pileo concolores confertiusculae, poli- macriae, antice rotundato-acutatae , postice attenuato- decurrentes, non confluentes, acie integerrimae. Sporae globoso-ovoideae v. ellipticae (5-6 X 3-4 [x), inferne apiculatae, dense minuteque asperulae, grosse 1-guttu- latae, ferrugineae. Hab. Ad ramos dejectos Fagi antarcticae in sylvis prope Voces bay, Maj. 1882. Obs. Garo pilei subtenuis, flocculosa, alba, hymeniophoro concreta ; mycelio albo, hispidulo, parum evoluto. Spe- cies pulchella Ag. calolepidi Fr. peraflinis, sed certe distincta. 20. Agaricus (Psalliota) campestris L. — Fr., Hym. Eurp. p. 279, n. 1052. Hab. Vulgatus per tota Patagonia prope Bahia Blanca, Rio Negro, Cliubut, Santa Cruz, et Gregory bay , perann. 1882-83. 21. Agaricus (^frop/ia^^ia^STERCORARius Fr. — Hym. Eurp. p. 287, n. 1079. — 12 — Ilab. Iii fimo oqiiiiio nec iion vaccino in Santa Cruz el Gregory bay, ann. 1882. 22. Agarjcus (Ilyplioloma) appendiculatus Bull. — Fr., Hym. Eurp. p. 29G, n. I 115. Ilab. Ad basin truncorum in sylvis propc Punta Arenas, April. 1882. 23. Agaricus {PauGolus) sl:pauatus L. — Fr., Hym. Eurp. p. 310, n. 1175. Hab. Tn limo vaccino in pratis ulij,anosis prope Pata- gones et Santa Cruz, per ann. 1882-83. 24. AGARicus(Paneo^K8)pAPiLiONACEUs Fr. — Hym. Eurp. p. 311, n. 1183. Hab. In stercore equino in Santa Cruz et in vaccino prope Punta Arenas, Aest. et autm, 1882. 25. Agaricus {Paneolus) uligikicolus Speg. (n. sp.). Diag. Pileus primo licmisphaerico-subglobosus, margine stipitem versus incurvus, dein subcampanulatus v. hemisphaerico-expansus, non umbonatus, laevissimus, glaberrimus, griseo-testaceus v. sordide fusco-fulve- scens, magnitudine ludens, non hygrophanus, nec vi- scosus ; lamellae latae, primo profunde sinuatae, dein adnato-sinuatae, confertiusculae, crassiusculac, 2-3-ma- criae, antice obtuse rotundatae, postice truncato-adna- tae, acie obtusae, pallesceutcs, integrae, fuligineo-atrae, non perlatae ; stipcs (istulosus, librosus, tcres, deorsum saepius attenuatus, lacvis v. longitudinalitcr striatus, albo-griseus, pruinula granulosa alba densiuscula ob- tectus. Hab. Vulgatissimus in campis uliginosis prope Grcgorij bay, April. 1882. Obs. Mycclium vix evolutum, gossypino-album, nodulo- sum ; caro piiei tenuissima stipite lamcllisquc adnata ; — 13 — Yelum nullum ; statura praecedentis v. minor. Species inter Ag. campanulatum L. et Ag. papi- lionaceum Fr. statura ac caeteris characteribus vere intermedia. 26. CoPRiwus OVATUS Fr. — Hym. Eurp. p. 320, n. 1. Hab. Ad latera viarum prope Bahia Blanca, Aug. 188.3. 27. CopRTNUS FiMETARius Fr. — Hjm. eurp. p. 324, n. 18. Hab. Ad fimum vaccinum nec nou equinum iu campis prope Punta Arenas, Santa Cruz et Patagones per ann. 1882-83. 28. CoprijnusHewdersonii Berk. — Fr., Hym. Eurp. p. 329, n. 36. Hab. In fimo vaccino in sylvis prope Punta Arenas, Jul. 1882. 29. CoPRiNUS PLiCATiLis Fr. — Hyni. Eurp. p. 331, n. 50. Hab. Ad ripas Rio Negro sub urabra ad terram stillici- diosam detritis linteis inmixta, Sept. 1883. 30. CopRiNUS PERPUSiLLUs Speg. — Fung. Arg. pug. IT, p. 6, n. 11. Hab. In fimo vaccino in pratis uliginosis prope Santa CruZj Jan. 1882. 31. CoRTiNARius ( Phlegmacium) magellanicus Speg. (n. sp.). Diag. Solitarius (5-7" alt.), totus intense violaceo-coeru- leus. Pileus plus minusve sordide violaceus, hemi- sphaericus (2-2,5" diam.), centro obtusatus ac fusce- scenti-pallescens, laevissimus, sub iove pluvio muco vestitus, margine acuto vix lamellas excedente, sub- inflexo, subcrenulato donatus, subhygrophanus ; la- mellae latae, subconfertae, antice acutatae, deorsum — 14 — latiuscule rotundatae, adnato-sinuatae, primo albae, dein cinnamomeae, acie integrae, trimacriae, crassiu- sculae, rigidulae ; stipes elongatus(4-5" alt, x5"' crass.), plus minusve rectus, teres, basi sensim incrassatus ac mycelio libroso dense intricato insidenti-radicatus, late fistulosus, basi evcepta, ad partem superam sub pileo, anulo membranaceo, longitudinaliter plicatulo, brevi donatus, e violaceo coerulcscens hinc inde pallescens, inferne pallidissimus v. sordidus, Sporae ellipticae (9-10 X 5 ;j.) utrinque jjIus minusve rotundatae, inferne inaequilateraliter apiculatae, grosse 1-guttulatae non V, vix minute denseque asperulo-granulosae, ferrugi- neae. Hab. Ad terram inter folia ac rameuta dejecta putrescenlia in sylvis Voces bay, Maj. 1882. Obs. Velum araneoso-fibrosum, muco pilei defluente sae- pius indutum, cinnamomeum, mox evanescens, Caro pilei succosa, subviolacea, tenuis, hymenioplioro ad- nata ; illa stipitis a lamellis discreta, fibrosa, concolor, 32. CoRTiNAmus (Myxacium) tarkensis Speg. (n. sp.), Diag. SoIitarius(5-6" alt.), totus albus. Pileus hemisphae- rico-expansus, hinc inde varie depressus v. subrepan- dus (.3-3,5" diam.), centro non v. vix fuscescens, gla- berrimus, laevissimus, sub iove pluvio muco obtectus, margine semel involutus, crassiusculus, integer, al- bus; lamellae pro pilei ratione jjarvulae, antice acu- tatae deorsum rotnndato-angulatae, primo albae, dein pallide cinnamomeae, sinuatae, a stipite discretae, cum pilei carne continuae, acie integrac, 2-3-macriae. Stipes (3-3,5" alt. X 2-2,5" crass.) pro ratione curtus, cras- sus, farctus basi subbulbosus, extus albus laevissimus, glaberrimus, bulbo sub iovc pluvio viscoso. Sporae ellipticae v. ovoideae, grosse 1-guttulatae (1 1-13,5 X 5,5-7 ;;.), dense ruguloso-papillulosae, ferrugineae. — 15 ~ Hab. Ad folia dejecta putrescentia Fagi antarcticae in sylvis Voces bay, Maj. 1882. Obs. Yehim araneoso-fibrosum, cinnamomenm, mox eva- nidum. Caro piiei succosa, cum lamellis continua, alba, per aetatem fuscescens, mox larvis comedita ; illa sti- pitis lamellis discreta, subfibrosa. Pileus madidus striis radiantibus intense violaceis, deusis, longinsculis no- tatns. 33. CoRTiJVARius (Myxaca(?7i) Darwinii Speg. (n. sp.). Diag. Solitarius, majusculus (7-8" alt.), albus ; pileus applanato-expansus(5" diam.), plusminusve undulatus, quandoque snbumbonatus, quandoque subumbilicatus, margine cnrvnlus, acutus, lamellas nonniliil excedens, integer repandusve, laevissimus, glaberrimus, subiove pluvio viscoso ac sordide ex albo argenteus, sericeo- nitens; lamellae polimacriae, antice acutae, deorsum adnato-sinnatae, a stipite facile secedentes, dilute fulvo- ochraceae, confertiusculae, membranaceae, acie inte- gerrimae. Stipes pileo concolor, farclus teres (7" alt. X 1,5" crass.), crassiusculus, basi incrassatulus, ob- tusatus ac plicato-radicatus, laevissimus, vix ad partem dimidiam inferam striis fnscescenti-cinnamomeis, raris, irregulariter reticulato-notatus. Sporae ellipticae v. ovoideae, utrinque acntiuscule rotundatae (8-9 X 4-4,5 •;,), grosse 1-guttulatae, minnte denseque gra- nuloso-asperulae, ferrugineae. liab. Ad folia dejecta putrescenlia Fagi antarcticae in sylvis prope Voces bay, Maj, 1882. Obs. Caro stipitis pileique alba, succosa, subspongiosa, inodora. 34. CoRTiNARius (Dermocybe) hookerii, Speg. (n. sp.). Diag. Solitarius v, laxissime gregarius (7" alt.), lute- scenti-cinnamomeus. Pileus primo subglobosus, mar- 2 — 16 — gi ^iiie iutus vergeus, (lein hemisphaerico-expansus (2,5" diam.), margine acutiusculas, vix lamellas excedeiis, integer v. repandulus, glabcrrimus, iaevissimus (sub iove pluvio viscidulus), ochraceus, fulvus v. melleo- cervinus ; lameiiae polimacriae, latiusculae, acie in- tegerrimae, antice acutatae, postice truncatae (primo adnato-subdecurrentes), adnato-sinuatae. Stipes teres elongatus (5-6" long. X 4-5'" lat.), rectus v. subllexuo- sus, sordide albo-Iutescens, glaber, laevis, tenui fistu- losus, rigidulus, basi non v. vix incrassatus, my- celio parco albo, gossypino subvestito-radicatus. Spo- rae ellipticae, sursura rotundatae deorsum acutatae, grosse 1-guttuIatae (8-9,5 X 4-5 [j.) obscure ferrugi- neae. Ilab. Ad truncos putrescentes humo infossos in sylvis Voces bay, Maj. 1882. Obs. Velum araneosum, cinnamomeum, margine pilei et parte media stipitis adfixus tantum in prima aetate praesens, mox evauidum. Caro sordide alba, compactiu- scula, illa pilei hymeniophoro coutinua, illa stipitis discreta. 35. ScHizoPHYLLUM coMMUJNE Grev. — Fr., Hym. Eurp. p. 492. Hab. Ad palos fabrefactos diu iutemperiis expositos prope BaJila Blanca et in Piierto Deseado, per ann. 1882-83. 36. Marasmius (Mf/cena) sphaerodermus Speg. — Fung. Arg. pug. T, n. 10. Hab. Ad folia dejecta putrescentia Bevberidis Jietero- phyltae sub dumetis, Gregory bay, Apr. etJuu. 1882. Obs. S|)ecimina patagouica saepius pileus orbata v. obli- terata, attamen omuibus characteribus cum forma bonae- rensi identica videtur. T 37. PoLYPORLS AUSTRALis Fr. — Hym. Eurp. p. 556, n. 124. Hab. Ad truncos Fagi obliquae in sylvis prope Pitnta Arenas et Nahuel-huapi, per ann. 1882-83, 38. POLYPORUS iGiMARius Fr. — Hym. Eurp. p. 559, n. 132. Ilab. Ad truncos vetustos Pyri mali in sylvis secus Piio Limay, Sept. 1884. Obs. Specimen valde mancuui sed cum typo europaeo plane congruens. 39. POLYPORUS GiLVUsSclnvn. — Fr., Epicr.Syst.Myc.p. 455, n. 111. Ilab. Vulgatus ad truncos salicinos vetustos secus Pao Negro, Aug. 1883. 40. POLYPORUS SALiciNUS Fr. — Hym. Eurp. p. 560, n. 138. Ilab. Ad truncos salicinos cum praecedente sed rarius, secus Rio Negro, Aug. 1883. 41. PoLYPORUS PULCHER Speg. — Fuug. Arg. pug. ni, n. 13. Hab. Jn trunco Eucalypti globuli vetusto ac subputre- scente in campis prope Bahia Blanca, Aug. 1886. 42. PoLYPORUs SANGUiNEus L. — Fr., Epicr. Syst. Myc. p. 44i,n. 64. Ilab. Vulgatus ad truncos salicinos dejectos putrescentes prope Patagones et Bahia Blanca, Sept. 1883. Obs. Specimina patagonica omnia sessilia nec non saepis- sime (in juventute praecipue) cftuso-reflexa ! 43. PoLYPORUS AQUSTUS AVilid. — Fr., Hym. Eurp. p. 549, n. 98. Hab. Vulgatissimus ad truncos salicinos cariosos secus Rio Negro, Aug. 1883. 44. PoLYPORUs vERSicoLOR L. — Fr., Hym. eurp. p. 568, n. 172. — 18 — Ilab. Viilgatu.s ad triincos piitrescentes v. einortuos prope Punta. Arenas et Patarjones, per aun. 1882-83. 45. PoLYPORus VAPORARius P. — Fr., Hyni. Eurp. p. .579, n. 221. Ilab- Ad trabcin fabrefactam putrescentein in sylvis prope Punta Arenas, \in\ 1882. 46. FlSTULlNA AINTARCTICA SpCg. (u. Sp.). Diag. Pileus diinidialo-unguiculatus, antice niargine cras- se rotundatus, repandus v. diirormis, postice subcorda- tus v. subcuneatus, sessilis v. slipite crasso tuberculoso- amorfo plus minusve evoluto doiiatus, magnitudine summopere ludens (.3-50" diam.), superne couvexus, laevis, udus submucosus, siccus subvernicosusacnitens, hinc inde squamulis minutis limbriatulis inspersus, e fulvo-v. nigro-sanguineus, iiiferne applanato-undulatus, saepius irregularitcr subrimoso-diffractus ; tubuli inferi elongati (3-6'" long.), dense constipati, a pileo facile secedentes, liberi, sordide v. pallide sanguinei, tactu nigrescentes, gracilliini, ore irregulari, sublacero con- colore donati. Caro compacto-mollis, succosa, tenax, in senectute subspongiosa, pileo pallidior v. subfulvescens, libris crassis obscurioribus v. pallidioribus, ramoso- anastomosantibus dense percursa. Sporae globoso-ovoi- deae v. subellipticae (5-7 X 3-4 ;.»,), inferne inaequiia- teraliter apiculatae, granuloso-farctae ehyalino paliidis- sime rubiginosae. Hab. Ad truncos Fagi antarcLicae vulgatissima prope Punta Arenas et in sylvis totius Patagoniae austra- lioris, per ann. 1882-84. Obs. Pileus quandoque glaberrimus, quandoque squamu- lis densis (ad marginem praecipue) vestitus. Basidia obovato-clavata, apice obtusissime rotundata (15 X 5-6 [x) 3-4-sterigmatophora, fusco-rubiginosa. — 19 — Aborigeni Aonikenhen (\ulgo tehuelches) illam, etsi sat teuacem, crudam comedunt et Carroo-shane vocant. 47. Irpex lacteus Fr. — Hym. Eurp. p. 621 , n. 7. Hah. Ad truncos nec non ramulos subdecorticatos Fago- rum prope Punia Arenas, Jun. 1882. 48. Stereum HrRSUTUM Fr. — Hym. Eurp. pag. 639, n. 6. Hah. Ad dolia vetusta plantarum in cavaediis Bahia Blanca, Sept. 1883. 49. Stereum rugosum Fr. — Hym. Eurp. pag. 643, n. 23. Hah. Ad truncos salicinos? fluitatos in Rio Negro, Auff. 1883. ■*»• 50. CoRTiciUM lacteum Fr. — Hym. eurp. pag. 649, n. 1 1 . Hah. Ad ramos dejectos putrescentes Fagi antarcticae prope Punta Arenas, Apr, 1882. 51. CoRTiciUM calceum Fr. — Hym. Eurp. pag. 652, n. 25. Hab. Ad palos j)opulinos ? vetustos Vites sustinentes prope Bahia Blanca, Sept. 1883. 52. GoRTiciUM ROSELLUM Speg. — Fuug. Arg. pug. 111, n. 25. Hah. Ad truncos emortuos Persicae vulgaris prope Bahia Blanca, Aug. 1886. 53. Clavaria (Ramaria) patagonica Speg. (n. sp.). Diag. Solitaria, circumscriptione subglobosa (5" alt. x 5" diam.), leucospora, tenaciuscula ; truncus crassus (15-20'" alt. X 5-6'" crass.), albus, irregularis, ramis dense fasciculatis, saepius basi confluentibus, rectis v. flexuosis, crassiusculis, longitudinaliter striatis ac cana- liculatis, ex aurantio ochraceis, apice densiuscule ramu- loso-botryosis, ramulis brevissime ramululosis, apice truncato-Iobulatis, obscurioribus. — 20 — Hab. Ad lerram iiiter radices Senecionis speciei in colli- nis aridis prope Gregory bay, Apr. 1882. Obs. Species Cla.va.riae flavae Schaeff. affinis, sed mox distinguenda. 54. Calocera corkea Batsch, — Fr., llym. Eurp. pag. G80, n. 6. Hab. Ad truncos emarcidos cariosos Fagi antarcticae in Cabo Negro, Juu. 1882. 55. Tremella lutescejns Pers. — Fr., Hym. Eurp. p. 690, n. 5. Hab. Ad ramos fagineos dejectos putrescentes prope Punta Arenas, Apr. 1882. 56. Hirneola polytricha Mntg. — Fr., Fuug. Natal. pag. 26, n. 5. Hah. Ad truncos salicinos cariosos secus in Rio Negro, Aug. 1886. ■&• 57, HiRJNEOLA ajntarctica Speg. (n. sp.). Diag. Cupulae brunneae hemisphaericae v. \ix irregulares {2-5"diam.), crassiusculae (0,5-2'" crass.), laxe gregariae sessiles, extus dense venoso-plicatae, ad basin praecipue minute laxeque pruinuloso-furfuraceae, margine inte- gerrimo, obtusiusculo, rotuudato, intus gUibrae, laevis- simae, \ix hinc inde undulatae v. subbuUosae. Sporae non visae. Hab. Ad ramos emortuos Fagi antarcticae nec non in truncis Berberidis ilicifoliae in sylvis prope Voces 5ay,Maj. 1882. Obs. Cupulae aqua immersae mox revivescentes, extus pallide muriuo-olivaceae, pellucidae, intus fusco-gri- seae. Species H. corneae Fr. peraffinis sed satis distincta. — 21 — 58. HfRNEOLA viTELLiNA Lev. — Ff., Fung, Natal. pag. 27, n. 13. Hab. Vulgatissima ad ramos languidos v. emortuos Fagi antarcticae prope Punta Arenas, Jul. 1882. 59. EXOBASIDIUM AWTARCTICUM Sj)eg. (u. Sp.). Diag. Folii-ramululicoium ; folia v. ramuli infecta liyper- trophica, longiora, crassiora, atque saepius bullosa, e violaceo-rosea v. rul^ra, saepe areola plus minusve evo- luta flavescente donata, inferne prolifera, albo-farinu- losa ; sporae minutae cylindraceae v. allantoideae, utrinqueplus minusverotundatae(2-4 X 1 i^.), hyalinae. Hab. Yulgatissimus ad folia \Usi Lebetanthi americani m sylvis e Cabo Negro usque ad Voces baij, Apr., Maj. etJun. 1882. GASTEROMYGETEAE (Fr.) DBy. 60. Sphaerobolus stellatus Fode. — Fr., Syst. Myc. vol. II, p. 309. Hab. Ad tigillum putrescentem sub dumetis prope Punta Arenas^ April. 1882. 61. Mycenastrum chilense Mntgn. — Speg., Fung. Arg. pug. IV, n. 242. Hab. Vulgatissimus in planitie totius Patagoniae nor- dicae, Jun et Jul., per ann. 1883-86. 62. TuLOSTOMA Berteroanum L6v. — Ann. Sc. nat., ser. 111, vol. V, p. 166. Hab. Ad terram sabulosam sub umbra dumetorum insulac Pavon m Rio S. Cruz, Jan. 1882. Obs. Peridia subglobosa (10-15'" diam.), glabra, membra- naceo-coriacella, griseo-v. fulvo-albescentia, ostiolo — 22 — fimbriato-pciiicillato donata, inferne corticis exterioris frafjfmcntis subctipulato-vestita; stipes plus minusve elongatus, squarruloso-squamosus, peridio concolor ; gleba fulvo-cinnamomea ; sporae globosae v. e mutua pressione angulosae (4 ;;, diam.), episporio laxissime ac parum perspicue papiliuloso. 63. TULOSTOMA PATAGOINICLM S|)eg. (n. Sp.). Diag. Peridium egloboso liemisphaericum (7-10'" diam. X 5-8'" alt.), cartilagineo-membranaccum subfragile, gla- brum, laeve, centro rotundatum ac ostiolo latiusculo (1-1,5'" diam.), rotundo, marginato, integro, prominulo donatum, sordide album, inferne applanatum etad stipi- tis confluentiam profunde umbilicatum, fragmentis cor- ticis exterioris arena implcxi cupulato-vestitum ; stipcs teres (5-15'" long. x 2-2,5'" crass.), fistulosus, pileo concolor, compressulus ac subtortus, pcr aetatem fra- gilis, longitudinaliter libroso-rugulosus, tcrra ad me- dium et ultra infossus ; glcba e violascenti v. rubescenti grisea, columella destituta, pcridio ubique adnata, e floccis tenuissimis, septulatis, ramulosis, laxissime mi- nuteque asperulis composita ; sporae globosae (4-5 ;;. diam.), laxe grosseque rugoso-papillulatae, majuscule l-guttulatae, pallide fulvae. Hab. Ad dunas marittimas insulae Leones de mar in l{io S. Cruz, Jan. 1882. 64. Arachniok album Schw. — Speg,, Fung. Arg. pug. IV, n. 245. Hab. Vulgatus ad terram arenosam graminosam prope Montc Hennoso, Sept. 1883. 65. Lycoperdon lilacinum (Mntgn. et Brk.) Speg. — Fung. Arg. pug. IV, n. 254. Hab. Vulgatus secus Rlo Xegro ncc non circa Bahia Blanca, Aug. 1883-86. — 23 — 66. BoviSTA URUGUAYENSis Speg. — Fung. Arg. pug. TV, n. 251. Hab. Ad terram arenosam subumbradumetorum in insula Pavon fluminis Rio S. Cvuz, Jan. 1882. Ohs. Sporae laeves, non v, minutissime papillulato-appen- diculatae. 67. BoYiSTA CERVINA Bcrk. Hah. Ad terram graminosam in coUinis prope Punta Arenas, Aprii. 1882. Ohs. Species praecedenti simillima et lacillime una pro altera primo visu sumenda ; dilTert tamen sporisglobosis (4-5 [j. diam.), minute denseque asperulis ac appendice caudali nonnihil majore, nec non caeteris characteribus externis. AmJjae tamen Bovistae ^^lumheae Prs. pla- ribus notis accedentes et saepissime Tulostomae cujus- dam formam sessiiem simulant. 68. BOVISTA MAGELLANICA SpCg. (u. Sp.). Diag. Eubovista; subparvula, subglobosa (1-.3" diam.), superne regulariter convexa, inferne obtuse rotundata, centro non v. vix radiatim rugulosa ; peridium exterius absens; interiusautem tenui-membranaceum, papyraceo- subcartilagineum, tenacellum, laevissimum, sidjnitens, deorsum sordide fusco-nigresccns, sursum albescenti- griseum v. subargenteum, per aetatem centro irregula- riter ac raodice subostiolato-dehiscens ; gleba gossypino- com[)actiuscuIa, mollissima, homogenea, pulvere spori- fero inspersa, tabacino-olivascens ; flocci olivaceo-ful- Yescentes, gracillimi (1-3 \j, crass.), simplices, laeves, non Y. parcissime septulati ; sporae globosae (3-3,5 [j. diam.), grosse 1-guttuIatae, episporio crassiusculo laxissime minutissimeque asperulo-papilluloso, cauda praelonga (8-9 X 1 i^) appendiculatae, oli\ascenti-tabacinae. Hah. Vulgata in collinis graminosis prope PuniaArenas, April. 1882. — 24 — 69. BOVISTA ARACHNIOIDES Speg. (ll. Sp.). Diag. Eubovista; parvula, irregulariter globosa (6-12'" diam.), superne regulariter convexa, iuferne subcoar- ctata grosseque rugoso-plicata centroque subumbili- cato-radiculata; peridium exterius absens; interiusautem sordide pallideque griseum, laevissimum, non nitens, crassiusculum,tenacellum, coriacellum, apice irregulari- ter per aetatem lacero-dcliiscens; gleba peridio adnata, flocculoso-grumosa, pallidissime fulvella ; flocci tenuis- simi, hyalini, parce ramulosi non v. laxissime septu- lati. laeves; sporae globosae ('i,5-3 ;;.), laevissimae, ecaudatae, grosse 1 -guttulatae, chlorinulae. Hab. Ad terram sabulosam sub umbra dumetorum insulae Pavon in Rio Santa Cruz, Jan. 1882. Obs. Species primo obtutu facillime pro Arachnio quo- dam sumenda, mox tamen cortice tenace gleba gru- mosa sed non granulosa dignoscenda. 70. BOVISTA ASPERA LCV. Hab. Vulgata in collinis Lion rang vocatis prope Gre- gory bay, Apr. 1882. Obs. Sporae globosae (3-4,5 [j. diam.), laevcs, grosse 1-gultulatae, nou v. vix minutissime papillato-caudatae, tabacino-olivaceae; gleba compactiuscula, gossypiua, e fulvo tabacina. 71. BovisTA AiNTARCTicA Speg. (n. sp.). Diag. Eubovista ; subparvula e turbinato globosa (20-25'" diam.), superne convexa laevis, inferne turbinata, coar- ctata, ruguloso-plicata, basi in radice pro ratione lon- giuscula crassaque (5-15'" long. X 2-3'" crass.), dura, e libris mycelialibus terra inmixtis efformata douata, primo alba, dein griseo-murina, atomata ; peridium exterius tenue, album, subcaruosum, mox irregulariter minuteque diffractum ac evanescens ; interius papy- raceo-cartilagiueum, tcnue, tenacellum, subrigidulum. — 25 — murino-griseum v. subsericeo-nitens, superne laxe sub- minuteque atomatum, inferne minute denseque papillu- loso-asperulum (papillis saepius albicantibus) ; gleba peridio adnata, olivaceo-tabacina, gossypino-compactiu- scula, e floccis tenuibus (2-4 [j. crass.), laevibus, conco- loribus, subcontinuis composita ; sporae globosae (2,5- .3,5 [j, diam.), grosse 1-guttulatae, episporio minutissime (subimperspicue) granuloso, caudula papiliaeformi vix evoluta donatae, olivaceae. Hah. Vulgatissima in collinis freti magellanici Caho Pos- session, Gregory hay , Elisabeth island, Punta Arenas, Aug. 1882. Obs. Species habitu fere Lycopei^di cujusdam ; Bovistae asperae L6v. etiam summopere affinis, a qua recedit statura minore, peridio tenuiore, rigidiore, sporis asperulis, colore glebae. An tantum ejusdem varie- tas ?. 72. BoviSTA PACHYDERMiCA Speg. (n. sp.). Diag. Eubovista ; mediocris, globosa v. globoso-depressa (2-4" diam.), ubique laevis, arrhiza ; peridium exterius primo crassiusculum, carnosulum, album, sursum angu- lose diffractum, dein tenuissime membranaceo-pelliculo- sum, sordide albescenti-cinerascens, plus minusve laxe squamuloso-atomatum interiore arcte adnatum evadens; peridium interius subcoriaceum, crassiusculum (0,5-1'" crass.), tenax, subfragile, diu exteriore tectum, superne subostiolatim stellatim-lacerum ac dehiscens, e murino plumbeum frustulatim evanescens; gleba laxissime floc- cosa, gossypina, peridio adnata, obscure olivacea, pul- vere sporifero repleta, floccis olivaceis, continuis, lae- vissimis, tenuibus (2-3 \j. crass.) efformata ; sporae globosae (3 [;, diam.), grosse 1-guttulatae, dense maju- sculeque papilluloso-asperae, obscure olivaceo-fuligi- neae, caudula hyaliua vix evoluta auctae. — 26 — Ilab. In coUiuis gramiuosis parcissime prope Punta. Arenas, Jul. 1882. Obs. Species, primo \isu, pro Mycenastro chilense Mutgn. facillime sumenda, sed mox peridio tenuiore, gleba nou pulveruleuta et caeteris characteribus diguo- sceuda. HYPODERMEAE DBy. 73. UsTiLAGO CARicis (Prs.) Fuck. Hab. h\ ovariis Caricis speciei cujusdam prope Misio- neros ad Piio S. Cruz, 5an. 1882. Obs. A typo nouuihil recedit. Sori globosi (1,5-2'" diam.) aterrimi, compactiusculi; sporaeangulato-rotuudatae v. elongatae e latere compressiusculae ([j. 13-15 long. x 1 1-14 lat.X7-10 crass.), protoplasmatedense granuloso farctae, extus laevissimae, obscure olivaceo-fuligineae. 74. USTILAGO SEGETUM (Bull.) DtUl. Hab. Ad spicas Poli/pogonis interrupti in vallcciilis uligiuosis secus Pdo S. Cruz, Jan. 1882. Obs. Sori miuuti, atri, compactiusculi ; sporae irregulari- ter angulosae v. subsphaeroideae (5-7 ;j, diam.), obscure fuligineo-olivaceae, laxe grauuloso-farctae extusque miuutissime laxeque asperuke ! An nova species?. 75. UsTiLAGO PAMPARUM Spcg. — Fuugi guarau. in obs. ad n. 105. Ilab. Ad spicas Setariae cujusdam iu pratis secus Rio Negro, Aug. 1883. Obs. Ovaria spicarum tota infecta, hypertrofica, glumis exerta ac duplo longiora, subcylindracea, apice 3 v. 4 laciniato-aperta, involucro membranaceo, crassiusculo, sordide aibo v. subroseo donata, intus pulvere aterrimo laxe farcta, ac fibris (columellam fere simulautibus) — 27 — instructa; sporae subglobosae (9-U \j. diam.) laeves v. vix granulosae, fuligineo-olivaceae. 76. USTILAGO BROMIVORA F. V. W . Hab. Ad spiculas vivas Bromorum]ivopeRio S. Cruz et Gregory bay, aest. et aut. 1882. Obs. Forraa patagonica atypo nonnihil recedit sporis intus non v. subimperspicue granulosis (an minutissime mu- riculatis ?), e globoso anguiosis (8-12 x 7-8 [j.), opace fuliuiueis. 'D' 77. Phragmidium mucronatum (Pers.) Fr. — Sum. Veg. Scand. p. 507. Hab. Vulgatissimus ad folia Rosarum cultarum in Bahia Blanca, Jun. 188G. -) 78. PucciiNiA ARGEiNTiNA Speg. — Fuug. Arg. pug. I, u. 32. Hab. Ad foiia viva Picrosiae longifoliae secus Rio Negro, Sept. 1883. 79. PucciNiA YiOLARUM Lk. — Sp. II, pag. 80. Hab. Ad folia viva Violae magellanicae in herbosis Eiizabeth island, Aug. 1882. 80. PucciNiA PATAGONiCA Speg. (n. sp.). Diag. Sori tumiduli, irregulariter rotundato-elongati(l-5"' long. X 1-2'" lat. et crass.), caules, folia nec non inflo- rescentias ambientes, primo epidermide tecti, dein nudi^ compacti, duri (fere sclerotiacei), obscure castanei v. fusco-rubiginosi -, teleutosporae obovatae v. subclavatae, medio leniter constrictae, apice versiformes (truncatae, rotundatae v. umbonatae), ac crassissime tunicatae, deor- sum cuneatae, basique truncatae (28-35 X 12-15 [a) lae- ves, pallide fulvae, pedicello hyalino, gracili, mediocri (25-35 X 5 \j?) suffultae. Hab. Ad folia caulosque Collomiae cujusdam vulgatissima — 28 — secus Rio S. Cruz et Pdo Gallego, Jan et Aug. 1882. Obs. A P. gllbie Farl. toto coelo diversa! 81 . PlccIiMa malvacearum Bcit. Hah. Ad folia viva Modiolae gei^anifoliae secus Rio Negro, Aug. 188.3. 82. PUCCIINIA DICHOJNDRAE Mutgn. Ilab. Ad folia viva Dichondrae repenlis prope Bahia Blanca, Aug. 1886. 8.3. PucciKiA PAMPEA^VA Speg. — Fung. Arg. pug. II, pag. 14. Hab. Ad folia nec non caulcs Aivos Salpichroae rhom- boideae in pratis prope Bahia Blanca, Aug. 1886. 84. PucciiNiA COMPOSITARUM Schieclit. Hab. Ad folia viva Macrorhynci chilensis in Gregory bay, April. 1882. 85. Uromyces cESTiu Lev. Ilab. Vulgatus ad folia \iva Cestri Parqui prope Bahia Blaiica, Aug, 1886. 86. Uromyces guaycuru Speg. — Fung. Arg. pug. IV, n. 69. Ilab. Ad folia viva Staticis brasiliensis prope Misio- neros ad Rio S. Cruz, Jau. 1882. 87. Uromyces gera]\ii Ottli. u. Wartm. Ilab. Ad folia viva Geranit patachonici in lierbosis prope Salinas secus Rio S. Cruz, Jan. 1882. Obs. Sori liypopli}lli, densiuscule sparsi, diu tecti, dein nudi, epidermide lissa cincli, obscure cinnamomei, ma- jusculi (0,3-15'" diam.); tcleutosporae globosae v. plus minusvc regulariter obovatae (30-40 X 25-30 [i), laeves, crassiuscule tunicatae, apice praecipue, pulchre fuligi- neo-cinnamomcae grossc 1-guttuIatae, stipite breviu- sculo ac crasso (30-35 X 5-7 ;;,) hyalino, fultae. — 29 — 88. Uromyces magellanicus Speg. (n. sp.). Diag. Sori hypophylli, sparsi v. hinc inde irregulariter subgregarii, non v. rarius seriatim dispositi, non v. subelongati, epidermide laciniata v. suboperculatim dis- rupta diu ornati, paliide fulvescentes, submiuuti (0,3- 0,5'" diam.) ; teleutosporae globosae, ellipticae v. obo- vatae (2.5-30 X 18-22 [x), tunica subtenui, vix antice incrassatula, laevi donatae, pallide fulvescentes, grosse 1-guttulatae, pedicello breviusculo? (an diffluente ?) suffultae. Hab. In foliis vivis Caricis 'pallidae'^. in herbosis prope Gregory bay, Apr. 1882. 89. Uromyces patagonicum Speg. (n. sp.). Diag. Sori minuti (0,3-0,5'" diam.), densissime gregarii, subconlluentes, hjpophyllum totum (nec non alias par- tes saepe) pulvere obscure cinnamomea obtegentes ; teleutosporae subglobosae v. obovatae (30-35 X 25-28 ;j,) crasse tunicatae, apice praecipue ibique umbone crasso obtuso (saepeque late truncato) non v. vix pallidiore ornatae, 1-guttulatae, fuligineo-cinnamomeae, stipite (mox diffluente?) hyalino breviusculo fultae. Ilab. Ad folia viva Astragali speciei cujusdam in her- bosis insulae Pavon in Rio S. Cruz, Jan. 1882. ■; 90. Uromyces symphiostemi Speg. (n. sp.). Diag. Sori sparsi v. hinc hinde gregarii, lineares, seriatim dispositi, saepeque conlluentcs, majusculi (1-5'" long. X 0,5-1'" lat.), turgiduli, epidermide vix rimose fissa diu tecti, obscure fuliginei ; teleutosporae irregulariter e globoso obovatae (22-26 X 18-20 [x), saepe angulosae, cinnamomeae, tunica tenuiuscula apice non v. incras- sata, laevi instructae, antice rotundatae v. obtuse acu- tatae, basi subcollariato-anulatae (an semper ?) ac in stipite breviusculo (12-20 X 5 ;;,) hyalino, productae. — 30 — lliib. Ad folia, \aginas nec nou scapos Symphiostemi narcissoidis m meseta secus Rio 5, Cniz, Jan. 1882. 91. Uromyces aumeriae Lev. Ilab. A(l folia viva Armeriae amlinae in Voces bay, Maj. 1882. Obs. Sori sparsi minuti, parum perspicui, cinnamomei ; teleutosporae giobosae v. obovatae, saepe angulosae (28-34 X 22-28 [j.\ laeves, cinnamomeae, tunica apice summopere incrassata (rarius in umbone producta) in- structae ; slipite subbrevi (30 X 5 ix), fuscidulo. 92. UiiEDO PAMPARUM Speg. — Fuug. Arg. pug. I, n. 51. llab. Ad folia \iva Rlii/ncosiae sennae prope Bahia Blanca, Ang. 1880. 93. UuEDO iivDUOcoTYLES Mutgu. -- Gay, Fl. chil., Bot., vol. Ylll, p. 50. Hab. Ad folia viva liydrocotylis specici cujusdam ad ripas Pdo Negro, Scpt. 1883. 94. Aecidium Euphouriae Gml. Hab. Ad folia viva Euphorbiae portulacoidis in Yalie- cnlis uliGjinosis secus Rio S. Cruz, Jan. 1882. Obs. Pseudosporangia scutellata liypophylla dense grc- garia, matrice pallescenti paululo incrassata insidentia ; cellulae pseudoperidii irregulariter polygonae (30 X 20 ;j.), crassc tunicatae, rugosae, liyalinac ; sporae glo- bosae v. angulosae (18-20 ;;. diam.), subcrassiuscule tunicatae, laeves, e flavescenti hyalinae. 95. Aecidium guaycuru Speg. — Fung. Arg. pug. IV, n. 92. Hnb. .4d folia viva nec non caules Staticis brasiliensis prope Misioneros secus Rio S. Cruz, Jan. 1882. 96. Aecidium magellainicum Berk.? — Gay, FI. Chil. Bot. Yol. Alll, p. 38. — 31 — Hab. Ad folia viva Berberidis heterophyllae prope Punta Arenas, Gregory bay et Rio Gallego^ hieiiie 1882. Obs. Specimina senesceiitia et tandem valde dubiosa. 97. Aecidium BERBERiDis Gml. — Syst. 1473. Hab. Ad folia \iva Derberidis ilicifoliae in sylvis prope Voces bay, Maj. 1882. Obs. Cl. Montagne, loco citato, Berberidi ilicifoliae tri- huit Aecidium magellanicum; ego antem, enm num- quam inveni nisi in Berberide heterophylla. 98. Aecidium OBioixis Speg. (n. sp.). Diag. Folia infecta non v. vix incrassatnla, pallescentia ; pseudosporangia saepius hypoi)hylla (folia tota saepecjue ramulos occupantia), densiuscule gregaria, primo tecta, hemisphaerico-prominula, dein erumpentia, plus mi- nusve exerta (0,5'" x 0,2'" diam.) flavescenti-albescen- tia, ore lacero donata ; contextus epitliecii cellulis an- guloso-polygonis (20-25 [j, diam.), crassissime tunicatis, dense rugoso-striatis, pallescentibuscompositus; sporae e globoso ovoideae, e mutua pressione saepe angulosae (20-22 X! 15-18 [j.) pallidissime fulvae, tenuissime tuni- catae, granuloso-farctae. Hab. Ad folia viva Obionis species adhuc indeterminatae in Isla de los liones de mar in Rio S. Cruz, Jan. 1882. 99. Aecidilm sclerothecium Speg. (n. sp.). Diag. Pars infecta, incrassata, pallescenti-flavesceus ; pseudosporangia laxe gregaria, subepidermica, parce prominula, diu clausa, apice tandem lacero-dehiscentia, coriacea, dura, pallide albo-fuivescentia (0,7-1'" diam.), pulvere rufescente repleta, coutextu grosse celluloso, flavescente, parum perspicuo, subopaco ; sporae globo- sae V. e mutua pressione irregulariter obtuseque angu- 3 - 32 — losae (25-30 X 20-25 \j.), crassinscule tunicatae, minu- tissime densissimeque papilluloso-asperulae, e hyalino f ulvescentes, granuloso farctac. Hab. Ad ramulos juniores vivos Senecionis patago- nici prope Piierto Deseado, Nov. 1884. Obs. Pseudosporaugia dura, facillime integra e matrice extrahenda et ovula; eliiptica (0,7-1 ,5'" long. X 0,5-1'" diam.) laevia pallescentia mentiunt. 100. Aecidium suaedae Speg. (n. sp.). Diag. Maculae nullae sed folia infecta parum incrassatulo- decolorata; pseudosporangia hinc inde 3-5-aggregata, primo subglobosa, tecto-prominula, dein erumpentia, longe exerta, cylindracea (0,5-1 ,5'" long. x 0,4-0,5'" diam.), non v. vix. rigidula, ore frustulatim lacero do- nata, pallide flavescentia ; cellulae contexti irregulariter polygonae v. subrhomboidae (30-40 x 20-30 ;j,), crasse tunicatae, dense minuteciue verruculosae, subhyalinae; sporae globosae v. e mulua pressione ovoideo-angu- losae (15-20 p. diam.), episporio tenui, laevi, protopla- smate granuloso farctae, e hyalino flavescentes. Ilab. Ad folia viva Suaedae divaricatae in insula de los leones de mar in Rlo Santa Cruz, Jan. 1882. 101. Aecidium modiolae Thiun. — Pilz. aus Entr. n. 2. Ilab. Ad folia viva Modiolae geranioidis in uliginosis prope Bahia Blanca, Aug. 1886. PHYCOMYCETEAE DBy. 102. PiLOBOLus cristalliivus Tode. Ilab. Vulgatus ad fimum equinum nec non vaccinum iii uliginosis prope Rio Santa Cruz et Gregory bay, aest. 1882. — 33 — 103. MUCOR MUCCDO L. Ilab. Ad friictimi Pi/ri inali putrescentem in Carmeji de Patagones, Sept. 1883. 104. Peronospora alsinearum Casp. Hab. Vulgata acl folia vi\a Ceraslii vulgati prope Punta Ai^enas, Apr. 1882. 105. Peronospora effusa (Grev.) Rabh. Hab. Ad folia viva Chenopodii niuralis vulgatissima in Carmen de Patagones, Sept. 1883. 106. Peronospora parasitica (Pers.) DBy, Hab. Vulgata ad tblia Senebierae pinnatifidae et Na- sturtii bonariensis ia paludibus prope Dahia Blanca, vere 1886. 107. Cystopus candidus (Pers.) Lev. Hab. Ad folia Capsetlae bursae-pastoris [Nahuel- huapi, Santa Cruz, Punta Arenas) et Baphanisatim in liortis Bahia Btanca, vulgatissima, aestate 1879, 82, 83, 86. 108. CvsTOPUS BLiTi (Biv.) DBy. Ilab. In folias Amaranthi chlorostachydis et Euxoli viridis ad viarum latera, Bahia Blanca, Aug. 1883. 109. CVSTOPUS PORTULACAE (DC.) DBv, Hab. Ad folia viva Portulacae oleraceae secus Rio Negro, aest, 1879. 110. Cystopus argentinus Speg. (n. sp.). Diag. Acervuli conidici snbsuperficiales, tumiduli, par- vuli, elliptici (0,3-1'" diam.), laxe gregarii v. sparsi, diu epidermide tecti_, per aetatem laciniatim cincti, albi, — 34 — pulverulcnti ; conidia catcnulata, globosa v. obscure subcuboidea ( 18-20 [j, diain.), tenui tunicata, laevia, byalina, granuloso-farcta. Oosporae in parenchyniate foliorum imincrsae, globosae (50-65 ;j, diam.), subopace fuliuiiieae, laevissimae, |)rotoplasinate hyalino granuloso farctae, oogoiiio hyalino monos()oro inclusae. Hab. Ad folia nec noii caules vivos Sj)ergulariae grandis in uliginosis j^rope Bahia Blanca, Aug, 1886. Ohs. Conidia et oogonia eodem tempore ac in codem folio \igentes. Fungillus oogonicus folio luci objecto, ut macula opaca tantum conspici potest. PYRENOMYCETEAE Fr. 111. Phyllactiisia aktarctica Speg. (n. sp.). Diag. Perithecia hypophylla, sparsa, mycelio, oidia- ceo albo parcissimo mox evanido insidcntia, globosa, (130-140 i^, diam.), atra, vcrruculoso-aspcrula, opaca, glabra, sicca non v. vix. cupulata, superne 6-8 appen- dicibus subcorouata ; ap[)endiccs simpliccs, cylindraccae (150-200 X 9 [;,), rectae, divaricatae, apice obtuse acu- tatae, basi vesciculoso-intlatae (40 X 30 \x), hyalinae, continuae, laevissimae. Asci 8 v. 10 in quoque perithecio cyliudraceo-cUiptici y. subovati, apicc latc subtruncati, basi crasse brevissimeque noduloso-stipitati (80-95 X 22-24 \j.), aparaphysati, bispori (an (juandoque tetra- spori?) ; sporae ellipticae y. ovoideae (32-33 X 15-20 [x), utrinquc obtusc rotuiidatae, continuae, laeves non y. grosse 1-guttuIatae, hyalinae. Ilab. Ad folia viva Ribis magellanici in collinis Lion rang prope Gregory bay, 20 April. 1882. 112. PHYLLACTllNIA SUFFULTA (Rcb.) SaCC, Ilab. Ad folia Yiva AnartJirophylli rigidi prope Mi- sioneros secus Rio Santa Cruz, Jan. 1882. — 35 — Obs. Perithecia amphigena, sparsa, mycelio oidiaceo albo, parco subpersisteute iusidentia, globoso-depressa (200-220 [j. diam.), atra, opaca, giabra, sicca cupnlato- collapsa, iuferue 6-8-appeudiculata; appeudices sim- plices atteuuato-cylindraceae (150-250 X 7-9 [j,), di- \aricatae, apiceobtuseacutatae, basi vesciculoso-iuflatae (28-30 X 20-25 \j.). Asci 4 v. 5 iu quoque perithecio, elliptico-sublimouiformes, sursum subumbouati, crasse rotuudato-acutati, deorsum bre\'issime pedicellati (54-55 X 30 [).), aparaphysati, bispori ; sporae ovoideae, utriuque oblusae (28 X 12-14 \j.), granuloso-farctae, hyaliuae. 113. Meliola megalospora Speg. — Fung. Arg. pug. IV, n. 115. Hah. Ad folia viva lodinae rhombifoliae in dumetis prope Ba/iza B^a?ica, Aug. 1886. 114. Valsa Bovei Speg. (n. sp.). Diag. Euvalsa ; acer\uli laxe gregarii, cortice innati, e lenticulari conoidei (1 -1 ,5'"), peridermio sublevato tecti, 12-15-peritheciigeri, disco majusculo parum erumpenti- exerto donati, stromate subfriabili albicantc, perithe- ciis atris ; perilhecia globosa (250-300 [j,), stromate im- mersa, dense constipata, coriacella, atra, submembra- nacea, ostiolis lougiusculis, fasciculatim conuiventibus, cyliudraceis, atris, subcarbonaceis, apice obtusis (400- 500 X 80-120 [;.), discum efTormantibus ornata; asci cla- Tulati V. fusoidei, sessiles, antice obtuse rotuudati \. subtruucati (38-40 X 5-6 [x), basi attenuato-obtusati, octospori, aparaphysati ; sporae recte v. oblique disti- chae, botuliformes, utrinque obtuse rotundatae (8-10 X 2 \).), hyalinae. Hab. Inramis emortuis Genistae? species indeterminatae prope Misioneros secus Rio S. Cruz, Jan. 82. - 3G — 115. EUTYPA PATAGO.MGA Speg. (n. Sp.). Diag. Stromate effuso, inaeqiiali, vix tumidiilo, sub pe- ridermio evoluto eocjue arcte adnato, nigricante v. fuscesceute, per lignum obsolete excurrente; perilhe- ciis hinc inde 0-20 dense coustipatis, majusculis (0,5'" diam.), globosis v. e mutua pressioue augulosis, atris, laevibus, in coUis iongiludine variis productis ; collis hinc iude fasciculatis ac epidermidem tumefactam per- forantibus, uon v. vix exertis, atris, ostiolis com- pressiusculis subconnatis non v. vix rugosis ac sulcatis donatis; ascis clavatis, longissime pediccUatis (part. sp, 40 X 6-7 ;x = ped. 50-70 X 2 ;x), apice atteuuato- truncatis,crassissime tuuicatis perforatisque, octosporis, paraphysibus liliformibus guttuhitis, simplicibus, parcis obvaliatis ; sporis cylindraceo-aHautoideis (10-13 X 2-2,5 [x) utrinque obtuse rotundatis ac 1-guttulatis, coutinuis, chloriuis. Hab. Ad ramos eraortuos putrescentes Chilioirichi amelloidis vulgatissima in Rio Gallego, Gregory hay, Punta Arenas, aest. ethiem. 1882. Ohs. Species notis perplurimis Eut. ludihunda Sacc. accedeus et facile ut ejusdem forma tautum couside- randa, 116. EuTiPA heteraca:stha Sacc. Hah. Ad sarmcnta dejecta Vitis viniferae prope Cdr- men de Patagones, Sept. 1883, 117. EuTYPA GOMOSA Spcg. — Fuug. Arg. pug. rv, n. 121. Plab. Ad ramos dejectos putresceutes Celtidis talae prope Bahia Blanca, Aug. 1886. 118. HvpoGOPHA Dauwimi Speg. (n. sp.). Diag. Perithecia sparsa, miuuta ex ovato globosa (250- 300 [j,), uuda, glabra, laevia, ostiolo vix prominulo — 37 — obtuso donata, membranacea, contextu parencliymatico- subindistincto, pellucido, fuligineo ; asci cylindracei (80-90 X 8-9 [j.), apice obtuse rotundati v. subtruncati, subbifoveolati, deorsum breviter attenuato-pedicellati, octospori, paraphysibus parcis filiformibus, simplicibus, immixti ; sporae recte v. oblique monosticliae discoideo- V. subelliptico-lenticulares (jj. 8-10 long. x 7-9 lat. x 4-4,5 crass.), eguttulatae, laevissimae, fuligineae, tu- nica mucosa destitutae. Hab. In fimo strutliionum (Rheae Darwinil) putrescente in Meseta secus Rio Santa Cruz, Jau. 1882. Obs. Specimina nonnulla etiam inveni in fimo equino prope Panta Arenas et vix differunt ascis pauUulo longioribus praecipue in parte slipitali (ij. 1 10-120 long. tot. X 10 crass. = prt. stip. 70-80 long.). Hyjjocopra discospora (Awd.) Fuck. summopere affinis, vero tamen satis distincta. 1 19. Hypocopra patagonica Speg. (n. sp.). Diag. Perithecia minuta subpyriformia (180-200 \}. diam.) superficialia v. semiimmersa, laevia, vix circa ostiolum crasse umbouatum miuutissime ruguloso-papillulosa, membranacea, contextu grosse parenchymatico-cellu- loso, pellucido, olivaceo ; asci c^ylindracei, apice trun- cato-rotundati, tunica modice incrassata, deorsum in stipite mox fluxili ac evanescente attenuato-producti (p. sp. 130 X 10-15 [x), octospori, paraphysibus filifor- mibus, sublluxilibus, simplicibus, densiusculis obvallati; sporae recte v. oblique monostichae, ellipticae v. ovoi- deae (15-18 X 8 [x), utrinque obtusae, laeves, eguttula- tae opace fuligineae, muco destitutae. Hab. In fimo equino prope Misioneros secus Rio Santa Cruz, Jan. 82. Obs. Species H. fimicolaeiJioh.) Sacc. nec non H. argen- — 38 - tinae (Speg.) Sacc. aflinis, ab utraqiie sporis ascisque gracilioribus praecipue recedens. 120. Hypocopra hormthophila Speg. (n. sp.). Diag. Peritliecia sparsa, minula, f^iobosa (258-300 ;x diam.) inatrici iinmersa, ostiolo atro superficiem matricis attin- gente v. \ix exerto,subcarbonaceo, udo papillulato, sicco cupulato-collapso donata, grisea, sordide pruinulosa, carnosulo-membranacea, contextu subindistincto, pal- lidc fulvo-olivascente ; asci cylindracei apice truncato- rotundati, ac tunica crassiuscula, tri-foveolata donati, basi in stipite attenuato-producti (long. tot. 140-150 = p. sp. 130 X 12-14 =ped. 20-25 i^), paraphysibus fili- formibus, toruloso-guttulatis, apice saepe ramulosis parce obvallati, octospori. Sporae ellipticae v. elliptico- ovoidcae (22-24 X 1 1-12 [x), utrinque obtusiusculae, egutlulatac, laevissimae, primo tunica mucosa, crassa, hyalina involutae dein nudae. Hab. In stercore vetusto Berniclae antarcticae in marit- timis prope Punta Arenas, Jul. 1882. Obs. Ab H. aviaria Karst. longe abhorrens. 121. CoPROLEPA EQUORUM Fuck. — Sacc, S}'^. Fang. vol. I, p. 249. Hab. In fimo equino vetusto vulgata prope Rio S. Cruz, Rio Gallegos nec non prope P. Arenas, aest. et aut. 82. Obs. Sporae ellipticae v. subovatae, utrinque acutiuscule rotundatae(25x9-I0i/), tunica mucosa, hyalina, inae- quilaterali involutae. 122. IIOSELLIISIA MAGELLAJNICA SpCg. (u. Sp.). Biag. Perithecia, in ligno denudato, dense seriata v. sub- botryosc aggregata, saei^e subconlluentia, minuta, glo- bosa v. obovata (200-300 [j. diam), ostiolo minuto papil- — 39 — liilato donata, diira, carbonacea, atra, laevia, glabra, contextu indistincto; asci cylindracei, apice truncato- rotundati ac tunica non v. vix incrassatula saepeque biguttulata donati, basi breviter attenuato-pedicellati (95-1 10 X 9-11 [j,), octospori, paraphysibus parcis, fili- forniibus, simplicibus immixti ; sporae recte v. oblique monostichae, elliptico-lenticulares (18-20 long. x 8-10 lat. X 4-6 [). crass.), e froute utrinque obtusae, e latere acutiuscule rotundatae, opace fuligiueae, non v. grosse 1-guttulatae, opace fuligineae. Hah. Ad ramos dejectos putrescentes Fagi antarctlcae et Mayteni chilensis in sylvis prope Cabo Negro, Jul. 1882. 123. HyPOXYLON MAGELLAWICLM Speg. (u, Sp.). Diag. Perithecia majuscula (1-1,5'" diam.), globoso- depressa, superne convexo-applanata centro ostiolato- papillulata, basi matrici parum infossa, stromate parcis- simo interjuncta, pauci-aggregata, atra, dura, fragilia, glabra, laevissiina ; asci cylindracei, apice obtusissime rotundati v. subtruncati, infcrne lougiuscule attenuato- pedicellati (p. sp. 100-1 10 X 10— stip. 80-130X5 [j.), octospori, paraphysibus filiformibus densis crassis gut- tulatis obvallati; sporae oblique monostichae, elliptico- naviculares(15-17 X 8-9 ix), utrinque acute rotundatae, non v, 1-2-grosse guttulatao, opace fuligineae, strato mucoso hvalino exiguo obovolutae. Hab. Ad ligna cariosa mucida Fagi antarcticae in sylvis prope Punta Arenas, Apr. 1882. Obs. Species H. semiimmerso Ntsk. peraffinis ; pulvi- nnli saepius 4-7-peritheciigeri sed quandoque (rarissime) perithecia solitaria sparsa etiam occurrunt. 124. Sphaerella patagomca Speg. (n, sp.). Diag. Maculae nullae sed totum folium ex albo griseo- — 40 — arescens ; perithecia sparsa v. Iiinc inde laxe aggregata, subepidermica , niinuta, lenticulari-globosa (70-90 [j. diain.), tenuissime membranacea, grosse parenchyma- tico-cellnlosa, ostiolo rotnndo pcrforata ; asci e globoso- ovati, apice subacutato-rotnndati crassissimcque tuni- cati, basi stipite crasso brevissimo (vix evoluto) suffulti (20 X I6[j.), octospori, aparaphysati ; sporae inordinate poIystichae_, elliptico-chivulatae, utrinque obtusiuscule rotundatae (8-0 X 2-3 ;j.), mcdio l-sc])tatae, non v. vix subconstrictac, loculo supero nonnihil crassiore brevio- rccpie, hyaliuae. Hab. Ad folia exsiccata emarcida Dolacis glebariae in Gregory bay, Apr. 1882. 125. Sphaerella magellamca Speg. (n. sp.). Diag. 3Iaculae nnllae sed matrix tota sordide griseo-are- scens ; perithecia hinc inde sparsa, subcpidermica, glo- buloso-lenticularia (120-130 ;xdiain.), ])rominuIa, atra, glabra, ostiolo rotundo donata, mcmbranacea, contextu parenchymatico, minutc celluloso, atro-fuligineo ; asci cylindracei v. cylindraceo-obclavati, subpachydermatici, apice snbtruucato-rotundati, basi abrnpte in stipite bre- vissimo nodulosoque producti (48-55 X 10-15 ;j.), octo- spori, aparaphysati ; sporae recte di-tri-stichae, elliptico- clavulatae, utrinque plus minusve obtuse rotundatae (1 5- 1 7 X 5-6 ;j, , medio I -septatae, lenitcrque coustrictae, loculo supcro uonnihil crassiore, breviore acutioreque, hyalinae. Hab. In scapis dejectis putrescentibus Armeriae andi- nae prope Gregory bay, Apr. 1882. 126. JIelaiVOpsaiMma ? lophiostomoides Spcg. (n, sp.). Diag. Perithecia sparsa v. laxe gregaria subseriata, ma- trice totaliter immersa, globoso-ovoidca (300-350 [x diam.), atra, carbouacea, ostiolo papillulato tautum ma- — 41 — tricis superficiem attingente non v, \ix exerto, rotundo V. compressiusculo, rimose dehiscente (an semper?) donata ; asci cylindracei, apice ol)tuse rolundati cras- seque tunicati, basi in stipite l)reviuscuio noduloso attenuato-producti (130- 140 X 13-14 1^.), octospori, para- physibus densissimis liliformibus obvallati ; sporae obli- que monostichae, fusoideo-ellij)ticae (24-2G x 7-8 i^), medio 1-constricto-septatae, ])rimo loculis grosse 2-3- nucleatis ac bis coarctatis (an tetrablastes?), dein sim- plicibus, laevibus, utrinque obtusiusculae, ininute sub- imperspicueque apiculatae, strato mucoso tenuissimo obovolutae, hyalinae v. fumosae. Hab. In trunco decorticato fluitato secus Rio Gallegos in loco Kilik-aiken vocato, Aug. 1882. Obs. Species ad Lophiostomata nonuihil vergens, notis tamen fructificationis M. europaea Sp. peraffinis. 127. GnOMOIVIA MAGELLAiMCA SpCg. (u. Sp.). Diag. Maculae nullae ; perithecia parenchymate innata, tecta, amphigena, sparsa, minuta, globosa (200-250 [x diam.), glabra, ostiolo setiformi longiusculo exerto, elongatulo, laeve, concolore douata. Asci et sporae ignoti. Hab. Ad folia dejecta putrescentia Fagi antarcticae in sylvis Voces bay, Maj. 1882. 128. Melanconis antarctica Speg. (u. sp.). Diag. Stroma valseum, ellipticum (5-6'" lat. maj. X 2-3'" lat. min. X 0,3-0,5'" crass.), disco excepto, peridermio tectum, substantia corticis fere immutata efformatum, in parte centrali albescenti-flavescens, vix protuberans ; perithecia in singulo stromate 15-25, eoque immersa, circinantia, sphaeroidea (250-300 i.i. diam.), atra, glabra, laevia, ostiolis iu disco corticem perforante sed vix pro- minulo exerlis, conoideis, obtusiusculis, rigidulis, ni- — 42 — gris, constipatis, siibconnuentibus donata ; asci cylin- draceo-subclavati, superne rotundato-subtruncati, rai- nute bifoveolati, inferne in pediccllo mox lluxili j)roducti (p. sp. 80-85 X 10-1 1 ;;,), octospori, aparaphysali?; spo- rae hyalinae v. fumosae dislichae elonjjfato-ellipticae v. subfusoidco-ellipticae (25-26 X 5 [;.), medio 1-septatae lenitcr(]ue constrictae, noii y. vix subinaequilateralcs, utrinque obtusiuscule acutatae ac caudula gracili subfle- xuosa (20-25 X 1-1,5 jj.) hyalina auctac. llab. Ad ramos emortuos Facji bcluloldis in sylvis prope Punta ArenaiS, Apr, 1882. Obs. Species M. alni Tul. valde aflinis sed certe diversa! 129. DlAPORTE MAGELLAINICA SpCg. (u. Sp.). Diag. Tetrastaga ; stroma elTusum, obsoletum, corticis interioris et ligni suj)crliciem nigrilicans ; perithecia laxe gregaria v. sparsa, cortice nidulantia, vix tumi- dula, lenticulari-globosa (300-400 ;j. diam.), ostiolis brevissimis, subconoideis cpidermidem perforantibus sed vix exertis donata ; asci fusoidei (55-60 X 5-6 \).), apice subtruncati, infernc acutati, aparaphysati, octo- spori ; sporae distichae, elliptico-elongatae (10-14 X 2,5-3 [x), utrinque obtusiusculae, subinaequilaterales medio 1-septato-constrictae, grosse 1-guttulatae, hya- linae. Ilab. Ad ramos emortuos Ribis magellanici prope Cabo Negro, Jun. 1882. Obs. Species D. mitis Sacc. peraflinis, sporis tamcn mi- noribus obtusioribusque reccdens; an tantum ejusdem varietas ?. 130. Delitschl\ patagowica Speg. (n. sp.). Diag. Perithecia sparsa, immersa, globosa (0,5-0, 7'" diam.), glabra, laevia, ostiolo papilluhito-obtuso, atro, subcar- bonaceo, superflciem matricis attingcnte v. vix exerto — 43 — donata, atra crassiuscule membranacea, contextu indi- stincto, fuligineo, opaco ; asci cylindracei sursum obtuse rotundati, deorsum abrupte, breve noduloseque stipi- tati (200 X 20 [x), parapbysibus crassiusculis guttulatis simplicibus parcis obvallati, octospori ; sporae oblique monosticbae, ellipticae (35 X 16 [x) utrinque obtuse ro- lundatae, medio uniseptatae et leniter constrictae, non V. vix. subinaequilaterales, opace fuligineae, tunica mu- cosa, hyalina, tenui obovolutae. Hab. In fimo Aucheniae guanaco prope Mount En- trance ad ostia Rio S. Cruz, Jan. 1882. 131. Sphaeruliinia giliae Speg, (n. sp,). Diag. Perithecia in matrice arescente albo-grisea sparsa, primo epidermide tecta dein nuda, lenticularia (120- 150 [j. diam,), atra, laevia, glabra, apice ostiolato-per- forata, membranaceo-coriacella, contextu grosse cellu- loso-pareuchymatico, fuligineo ; asci cylindracei v. cy- lindraceo-clavati, antice obtuse rotundati, postice in stipite brevissimo, crassiusculo, noduloso producti (40- 50x6-7[j,), octospori, aparaphysati ; sporae recte di- sticbae, fusoideae, utrinque acutiusculae, medio 1-sep- tatae leniterque constrictae, loculis medio septatis, supero nonnihil breviore acutioreque utrinque acutiu- sculae (13-14 X 3 [j.), hyalinae. Hab. Ad caules, folia, capsulas exsiccata putrescentia Giliae arcuatae in Gregonj bay, Rio Gallego, Rio S. Cruz, Yulgatissima aest. et aut. 1882. Obs. Speciesfacillime generi MeL^sp/iaeriae adscribenda. 132. Metasphaeria ? macrospora Speg. (n. sp.). Diag. Perithecia in matrice arescenti-deaibata sparsa, parenchymate immersa, ostiolo papillulato tantum super- ficiem attingente non. v. \ix exserto donata, giobosa (200-250 [j. diam.), atra, glabra, laevia, crassiuscule — 44 — niembraiiacea, contextu parenchymalico celluloso, fuli- giuco-atro ; asci pauci iu quoque perithecio, saccati v. ovali,antice obtuse rotuudali crassequc lunicati, postice pediccllo brevissimo noduloso donati (80-95 x 30-40 'x), octospori aparaphysati ; sporae inordinate distichae, fu- soideo-ellipticae (38-42 x 12-13 ;j.), utrinque obtusiu- sculae, subcurvulae 7-septatae ac constrictae, loculis deuse guttulatis, quarto supero caeteris nonnihil cras- siore, primo hyalinae actunica mucosa crassiuscula con- colore vestitae, dein nudae dilute fumoso-chlorinae. Ihib. A(l folia \iva Azorellae trifurcatae in aridis marit- timis, Gregory bay, Apr. 1882. Obs. Species pulcherrima notis nonnullis ad Pleosporam vergens, dubia etiam inter Leptosphaeriam etSphae- rulinam nutat !. 133. ACAKTHGSTIGMA ? IMPERSPrci UM SpCg. (n. Sp.). Diag. Perithecia iii superlicie denudata sparsa v. laxissime gregaria, minutissima (150- 180 ij, diam.), e leuticulari- conoidea, saepe e latere compressiuscula, basi matrici insculpta, subcarbouacea, atra, minute laxeque hirsuta, setulis pusillis (18-30 X 2-3 ;j,), atris, opacis, contextu indistincto, ostiolo minutissimo pertusa : asci obclavati V. subovato-elliptici, antice rotundato-obtusati, postice abrupte in stipite brevi nodulosoque contracti (25-30 x 10-12 [x), aparaphysati, octospori ; sporae recte v. obii- que di-tri-stichae, elliptico-fusoideae, utriuque acutiu- sculae (9-11 X 3-3,5 \).), triseptatae, ad septum mediiim non V. vix constrictae, loculis duobus centralibus fu- mosis. Hab. Ad 'Tc/mos emortuos decorticatos Fagi antarcticae prope Cabo Negro, Jun. 188G. Obs. Aa melius gcneri ChaetospJiaeriae adscribenda?. 134. ZlGJNOELLA PATAGOISICA SpCg. (u, Sp.). — 45 — Diag. Maculae iiideterminatae, albae magnitiuliiie luden- tes ; perithecia liinc inde laxiuscule 3-10-aggregata, macularum centro insidentia, cx ovoideo conoidea (200- 250 [). diam.) carbonacea, atra, opaca, glaljra, apice ostiolo submajusculo perforata ; asci cylindraceo-sub- fusoidei, apice truncato-rotundati, basi in sti[)ite bre- \iusculo attenuato-producti (90-110 X 9-12 [x) octo- spori, paraphysibus filiformibus simplicibus obvallati ; sporae distichae, subfusoideac, utrinque acutiusculae (16-20 X 5-6 ij.) subinaequilaterales, 3-septatae, ad sep- tum medium non v. vix constrictae, hyalinae, Hab. Ad truucum denudatum vetustum Fagi antarcti- cae in sylvis prope Punta Arenas, Jul. 1882. Obs. Species plurimis characteribus lichenibus accedens, iodi ope tamen nulla. 135. Sporormia minima Awd. — Sacc, Syll. Fung. vol. IT., p. 124. Ilab. In stercore struthionum (Rheae Darwinii) et Ca- viae australis prope Misioneros secus Rio S. Cruz, Aug. 1882. Obs. Asci cylindraceo-obclavati, apice subtruncato-rotun- dati crasseque tunicati, postice bre\issime abrupteque noduloso-stipitati (70-80 X 13-15 [j.), octospori, para- physibus nullis v. paucissimis filiformibus simplicibus immixti ; sporae recte v. oblique polystichae, cylindra- ceae, non v. vix curvulae (30-32 x 5-5,5 \j), tetrame- rae, strato mucoso hyalino tenuissimo v. nullo donatae. 136. Sporormia ambigua Niessl. — Sacc, Syll. Fung, vol. II,, p, 125. Hab. In limo Caviae australis secus R.io S. Cruz, Aug, 1882, Obs. Perithecia sparsa, immersa v. semmiimmersa, subglo- bosa (200-250 [x), atra, subcarbonaceo-membranacea, _ 46 — contextu parenchymatico subindistinclo, atro, opaco, glabra, vix basi hvpliis paucis brevibus repentibus or- nata, ostiolo mammillato obtuso coronata ; asci cylindra- ceo-subfusoidei (130-140 X 10-12 ;;.), apice subtrun- cato-rotundati, inferne in stipite (20-25 \}. long.)producti, octospori, paraphysibus densis quandoque liliformibus, quandoque torulosis obvallati ; sporae cylindraceae non V. vix subclavulatae (35-40 X 6-6,5 tj,), tetramerae, strato mucoso hyalino tcnui obovolutae, opace fuligi- neae, loculis eguttulatis. A typo vix recedit sporis et ascis gracilioribus. 137. Sporormia lagenaeformis Fuck. — Sacc, Syll. Fung. vol. TT, p. 125. ifab. In stercore Rheae Darwinii prope Mount En- trance ad ostia fluminis Rio 8. Cruz, Aug. 1882. Obs. Perithecia conoideo-globosa (!), parvula (200-250 [j. diam.), glabra, atra, membranacea, contextu indistincte parenchymatico ; asci cylindraceo-clavati, antice sub- truncato-rotundati, deorsum modice attenuato-pedicel- lati (80-100 X 20 [j.) aparaphysati, octospori ; sporae di-polystichae, cylindraceae (34-36 X 8 \j.), fuligineae, non v. vix curvulae, opace fuligineae muco destitutae. A typo recedit forma peritheciorum nec non ascis non- nihil brevioribus. 138. Sporormia obliquisepta Speg. (n. sp.). Diag, Perithecia sparsa lcnticuhiri-globosa (200-250 \j. diam.), ostiolo minuto papillulato instructo, atra, gla- bra, membrauacea, contextu atro-fuligineo; asci clavati, antice rotundati crassequc tunicati, postice in stipite niodice attenuati (115-130 X 15-16 ;;.), paraphysibus densis filiformibus, rarius torulosis obvallati, octospori ; sporae cylindraceae, leniter curvulae (40 X " ;j.), tetra- merae, loculis subrhomboideis (ob septa obliqua), primo — 47 — strato mucoso hyalino vestitae, dein nudae mox in arti- culis secedeutes. Hab. In fimo equino vetusto in valieculis uliginosis prope Misioneros secus Rio S. Cvuz, Aug. 1882. Ohs. Species plurimis affinis, sed septis ol)liquis, loculis- que rhomboedricis mox dignoscenda ! 139. Sporormia iNTERMEDiA Awd. — Sacc, S^-ll. Fung. vol. II, p. 126. Hah. In fimo ovium et stntthionum vetusto in insula Pavon fluminis Rio S. Cruz, Apr. 1882. Ohs. Perithecia e globoso-depressa (250-300 [x diam.) ostiolo crassiusculo papillulato instructa, nigra, glabra, membrauacea, contextu parenchymatico-sinuoso, sub- indistincto, atro, fuligineo, pellucido ; asci cylindracei, antice obtusissime rotundati crassiusculeque tunicati, postice breviuscule stipitati (1.50-160 X 20 [x), paraphy- sibus filiformibus parcis obvallati, octospori ; sporae cylindraceae ;42-50 X 8 [x), utrinque obtusiusculae, te- tramei-ae, opace fuligineae, primo strato mucoso mox evanescente obovolutae. 140. Sporormia patagonica Speg. (n. sp.). Diag. Peritheciasparsa, subsuperficialia, subglobosa (200- 250 [.;. diam.), in sicco subcupulato-collapsa, ostiolo mi- nuto vix papillulato donata, membranacea, contextu parenchymatico polyedrico atro-fuligineo ; asci cylin- draceo subclavati, antice rotundati, tuuica non v. vix incrassata, postice in stipite brevi ac crassiusculo cu- neato-atteuuati (95-110 X 20 [x), aparaphysati, octo- spori; sporae recte v. oblique distichae, cylindraceae uon V. vix curvulae, utrinque acutiuscule obtusatae (35- 39 X 6-7,5 [j.), facillime in articulis (ceutralibus 1 1-12 [j. loug.) secedentes, strato mucoso destitutae, opace fuli- gineae. 4 — 48 — Hab. lu fimo vctiisto putrcscciite Aucheniae giianaco nec iioii Rlieae Darwinii prope Mount Entrance ad ostici Rio S. Cruz, Jan. 1882. 141. Spororm[a australis Speg. (n. sp.). Diag. Perithecia miuiita e globoso couoidca (150-180 [j. diam.), sparsa, semmiimmersa, atra, giabra, ostiolo vix acutato etperspicuo corouata ; asci cyliudracci v. cyliu- draceo-obciavati, (75-80 X *20 [x), autice obtiississime rotuudati crassiusculeque tuuicati, postice abrupte iu stipite brevissimo ac noduloso producti, paraphysibus paucis, filiformibus, valde brevioribus obvallati, octo- spori ; sporae cyliudraceae (40-42 X 8 \}.), utrinque obtn- siusculae, tetramerae, loculis (centralibus sphaeroideo- cuboideis) ocellatis, strato mucoso crassissimo hyaliuo obovolutae. Hah. In fimo Caviae aAtstralis prope Misio?ieros secus RioS. Cruz, Aug. 1882. 142. Sporormia megalospora Awd. — Sacc, S}II. Fuug. vol. II, p. 126. Hab. In stercore Rheae Darwinii iu altiplauitie meseta vocata secus Rio S. Cruz, Jau. 1882. Obs. Perithecia sparsa, subsuperficialia, globulosa (400- 500 [.». diam.), sicca cupulato-collapsa, atra, glabra, lae- via, membrauacea, ostiolo pa[)iIIuIato, parum perspicuo, coutextu indistiucto, opaco ; asci cyliudracco-clavati, apice obtuse truucati, basi in pedicello modice elougato attenuati (150-180 X 32-35 [x) octospori, paraphysibus filiformibus, deusissimis, submucoso-coalcsceutibus , hyalinis obvallati ; s])orae cylindraceae utriuque acutiu- scule rotundatae (80 X 10-11 [x), vix curvulae, tetra- nierac, opace fuligincae, strato mucoso hyaliuo crasso (5-G [X crass.) obovolutac, atro-fuligineae. — 49 — 143. Sporormia heptamera AavcI. — Sacc, Syll. vol. II, p. 129. Hab. In fiino equino vetusto prope Punta. Avenas, Jun. 1882. Ohs. Perithecia e conoideo globosa (250-300 ij, diam.), ostiolo vix papillulato, glabra, atra, membranacca, con- textu pellucido, parenchymatico, fuligineo-atro ; asci fusoideo-subclavati (180-200 X 30 [x), antice rotundato- subtruncati crassiusculeque tunicati, postice breviuscule crassiusculeque stipitati paraphysibus paucis, filiformi- bus, simplicibus immixti, octospori; sporaecylindraceo- fusoideae, utriuque acutiuscule rotundatae (60-80 X 13-14 [a), heptamerae, loculo quarto supero aliis non- nihil crassiore, opace fuligineae, strato mucoso hyalino crasso obovolutae. 144. PlEOSPORA GALLEGENSrS SpOg. (u. Sp.). Diag. Perithecia in matrice canescenti-arescente sparsa, parenchymate innata, subepidermica, lenticulari-con- vexa (180-200 ;xdiam.), ostiolo papillulato epidermideni perforante uon v. vix prominulo donata, atra, glabra, coriaceo-membranacea, contextu dense parenchymatico, fuligineo-atro ; asci mox diffluentes, non visi ; sporae ellipticae v. ovoideae inferne acutiusculae superne obtu- siusculae (16-20 X 8-9 p,), 4-septatae, ad septa constri- ctiusculae, loculis centralibus septo altero longitudinali percursis, dilute fusco-brunneae. Hcib. Ad folia dejecta putrescentia Stipae cujusdam secus Rio Gallego, Aug. 1882. 145. Pleospora patagonica Speg. (n. sp.). Diag. Perithecia sparsa, matricis subimmutatae parenchy- mate innata, lenticulari-hemisphaerica (200-250 [Adiam.) ostiolo rotundo minutissimo perforata, atra, glabra, lae- via, carbonaceo-membranacea, ccntextu indistincto; asci — 50 - cyliiidraceo-saccati, apice subtruacato-rotiindati cras- seque tuuicati, basi abrupte in pedicelio brevissimo crassoque [)roducti (65-70 X 25-30 ;j,), aparapliysati, oc- tospori ; sporae rectedi-v. tri-stichae, elliptico-ovoideae ('24-28 X 10 ;j,), nonv. vix subinaequilaterales, utrinque obtLisiuscule acutatae, horizontaliter 7-se[)tatae, septis 3 verticalibus [)ercursae, ad septuin mediiim constrictae, primo hyalinac, dein pallide chiorino-flavescentes. Hab. Ad culmos dejectos putrescentes Stlpae cujusdam secus Rio Gallego, Aug. 1882. J4(). Pleospora magellanica Speg. (u. sp.). Dtag. Perithecia sparsa v. laxe gregaria, immersa, ostiolo papillulato tantum matricis superficiem attingente non V. vix exerto donata, globosa (200-230 ;j. diam.), atra, glabra, subrugulosa, subcarbonaceo-membranacea, con- textu parenchymatico, subopaco, atro ; asci cylindra- cei, pachydermatici, anticc obtuse rotundati, postice abru[)te iu pedicello brevissimo crassoque desinentes (80-95 X 20 ;x), aparaphysati, octospori ; sporae recte distichae v. obliquemonostichae, elliptico-obovatae (25- 28 X 10-14 ;a), non v. vix subinaequilaterales, medio 1-septatae non v. vix constrictae, loculo superiore 3- horizontaliler, 2-verticaIiter septato (septis alternis), infero acutiore saepius 2-horizontaIiter et 1-verticaIiter septato, primo flavae, dein opace fuligineae. Hab. Ad folia emortua Azorellae trifurcatae iu Gregory baij, Apr. 1882. 147. Pleospoiia freticola Speg. (n. sp,). Diag. Perithecia sparsa, epidermide tecta, proraiuula e conoideo globosa (250-300 ;xdiam.), atra, laevia, glabra, dura, ostiolo papillulato pertusa, subcarbonacea, con- textu parenchymatico, subindistincto, opaco, atro ; asci cylindraceo-subclavati, pachydermatici, sursum obtuse — 51 — rotundati, deorsum raodice attenuato-stipitati (105-130 X 20-23 [x), paraphysijjus parcis, crassis, fluxilibus ob\'allati, octospori ; sporae recte distichae, elliptico- obovatae, utrinque obtusae (27-30 X 10-11 [j.), medio 1-septatae, non \. vix constrictae, loculis 3-horizonta- liter 1-2-verticaliter septatis, primo flavidae, dein oliva- ceae ac vix pellucidae. Hab. Ad scapos dejectos putrescentes Armeriae andinae in Gregory hay, Apr. 1882. Obs. In ascis sporas murales gerentes adsunt etiam saepe sporae nonnullae bilocularestantum, obscure fuligineae eadem magnitudine ! 148. Pyrenophora ANTARCTrcA Speg. (n, sp.). Diag. Perithecia sparsa e conoideo globosa (250-300 [x diam.) superne tantum matrice exerta, atra, ostiolo vix papilluhito laxe minuteque peniciilato-setuloso (setulis conico-cylindraceis (40 X 3 [x), atris, opacis coronata, caeterum glabra, iaevia, subcarbonacea, contextu opaco indistincto ; asci cylindraceo-subclavati, apice subtrun- cato-rotundati crasseque tunicati, basi in stipite brevi crassiusculoque producti (70-75 X 9-10 [j.), octospori, paraphysibus paucis, crassiusculis, guttulatis obvailati ; sporae recte distichae, elliptico-subclavulatae, saepius uonnihil inaequilaterales (14-16 X 5-6 [>.), medio 1-sep- tato-constrictae, loculo supero crassiore oi)tusioreque 1-rarius 2-horizontaliter et 1-verticaliter septato, infero acutiusculo graciliore 2-horizontaliter, non v. 2-verti- caliter septato donatae, primo flavidae, dein obscure fuJigineae. Hab. Ad folia emortua putrescentia Azorellae cujusdam in Gregory bay, Jun. 1882. 149. Pleosphaerfa patagojnica Speg. (n. sp.). Diag. Perithecia in ligno denudato v. cortice libero — 52 — adhuc tecto, sparsa v. subseriatim hiuc inde i)auci-gre- garia, globosa \. gh)boso-depressa (120-150 [x diam.), ostiolo uou V. \ix papilhilato et pcrs[)icuo ornata, atra, submenibrauaceo-carbonacea, coutextu iudistiucto, atro- fuligineo, sctulis couico-cjliudraceis, minutis (15-50 x 2-5 [a), atro-fuligineis, opacis, rigidulis laxe \estita ; asci fusoideo cvlindracei, sursum subattenuati crassis- simeqne tunicati (ac steriles), apiceque truncato-rotuu- dati, deorsum in stipite brevissimo crasso uodulosoque attenuato-j)roducti (50-55 X 12-14 ;;,), ai^araphysati, octospori; sporae recte \. obli(|ue distichae, elliptico- subfusoideae, utrinque obtusiuscule rotundatae (16-18 X 6-6,5 [j.), 3-5-septato-coustrictae, loculis 1-3 centra- libus septo altero longitndinali donatis, griseo-fumosae. Hab. Ad ramos dejectos putresccntes Fagi antarcticae in sylvis prope Cabo Negro, Jul. 1882. Obs. lodi ope nulla; in peritheciis ascigeris adsunt etiam spermatia innnmera, minutissiiiui, elliptica \. subua\i- cularia (2-2,5 x 0,7-1 ;;,), utrinque acutiuscule rotun- data, hyaliua. 150. Teichospora Bovei Speg. (u. sp.). Diag. Euteichospora ; perithecia hinc inde plus minus\e dense gregaria, saepe subseriata e globoso conoidea, subdifCormia (350-450 ;j,diam.), endophleo denudato phis minus\e inunersa v. liguo denudato iusidentia, recta \. obhqua, atra, carbouacea, ghibra lae\ia, ostiolo crasso, obtuso sae|)ius dilformi plus minusve evohito donata ; asci cylindracei, apice obtusissime rotundati crasseque tunicati, 1-foveolati, basi lougiuscule attcuuato-pedicel- iati, octosj)()ri (120-140 X 10;;.), j)araphysibus densis non V. vix longioribus obvallati ; sporae oblique mouo- stichae, ellipticae, triscj)tatae, ad septum mcdinm va- lide coustrictae, locuhs 1-v. 2 internis septo altero ver- ticali(rarius delicieute) douatis, utriuque obtuse acutatae — 53 — rectae v. rarius subcurvulae, magnitudine ludentes (12- 22 X 5-10 [x = saepius 16-18 X 7-8 [j.), fuligineae. Hab. Ad ramos dejectos putrescentes Genistae species indeterminatae prope Misioneros secus Rio S. Cruz, Jan. 82. 151. Seliwia AWTARCTicA Speg. (n. sp.). Diag. Perithecia solitaria v. hinc inde 3-5 stromate carno- sulo, ceraceo-rubescente plus miniisve evoluto aggre- gata, matrice semimmersa, majuscula, globosa (500-800 [xdiam.), sicca rosea, uda aurantiaca, ostiolo crassiu- sculo, papillulato, atro donata, crassiuscuie carnosula, contextu indistincto, aurantio-melleo ; asci obclavati, antice attenuati, ac crassissime tunicati (steriles), api- ceque subtruncato rotundati, postice abrupte in pedi- cello brevissimo, crasso, noduloso contracti (100-135 x 25 \x), octospori, aparaphysati ; sporae recte v. oblique distichae, elliptico-limoniformes (25-30 x 12-13 [j.), utrinque acutiusculae ac saepe subapiculatae, laeves, hyalinae. Hab. In fimo struthionuin (RioS. Craz), equino et ovino (Gregory ba?/)necnon vaccino (Punta Arenas) vulga- tissima, aut. et hiem. 1882. 152. Nectria hematochroma Speg. — Fung. Arg. pug. IV, n. 196. Hab. Ad corticem putrescentem Salicis Humboldtianae secus Rio Negro, Aug. 1883. 153. GiBRERELLA PULicARis (Fr.) Sacc. — Svli. Fung. vol. II, p. 552. Hab. Ad culmos dejectos putrescentes Zeae Maydis prope Bahia Blanca, Aug. 1886. 154. MOINTAGNELLA TGRDILLEINSIS Speg. FuUg. Arg. pug. IV, n. 189. — 54 — Hab. Ad folia viva locUnae rhomhifoliae i^rope Bahia Blanca, Aug. 1886. Obs. Specimiiia adliuc non matura, taraea mox digno- scenda. CYTTARIEAE Speg. 155. Cyttaria Darwinii Berk. Hab. Vulgatissima ad ramos vivos Fagi antarcticae in sylvis prope PuntaArenas, Cabo Negro, Voces bay, aut. 8t hiem. 1882. Obs. Genus Cyttaria Berk. meo sensu, tribus a discomy- cetibus longe abthorrentem constituit, praecipue vege- tatione paradoxa epiphyta perenni, structura totius stro- matis, dehiscentia loculorum, a pyrenomycetibus etiam longe distat. 156. Cyttaria Berterii Berk. — Mntng. in Gay Fl. Chil. Bot. vol. Yir, p. 467. Hab. Ad ramos Fagi obliquae in sylvis prope Nahuel- huajn, anno 1879. 157. Cyttaria Hookeri Berk, Hab. Ad ramos vivo Fagi antarcticae et F. betuloidis in sylvis prope Cabo Negro, Jul. 1882. Obs. Haec species facile a genere Cyttaria separanda et novum genus constituere dijijna ! j^V^liUO >_'VJll.-5l/lLllt'l Vi ^^n' DISCOMYCETEAE Fr. 158. MlTRULA? AINTARCTICA Speg. (u, Sp.). Diag. Solitaria v. 2-3-gregaria, magnitudine ludens (4-7" alt.), laevissima, glaberrima; stipes teres (3-4" x 1,5- 2'") clongatus, sursum gradatim parceque incrassatus, dcorsum longe attenuatus, basi saepe contortus, fusco- — 55 — rufescens v, fusco-carneus; clava in juventute teres, dein compressa, spathulato-clavata (2-3" X 6'" X 2-3'") fistulosa, rugulosa saepeque hinc inde plicatula, ex albo mellea, saepeque subceraceo-pellucida, antice ob- tuse rotundata, postice attenuata basique abrupte irre- gulariterque anulato-coustricta atque stipite imposita. Hab. Inter folia dejecta putrescentiainsylvis prope Voces bay, Maj. 1882. Obs. Descriptio haec in vivo peracta ; notae fructificatio- nis, speciminibus amissis, mihi ignotae. 159. AscoBOLUs FURFURACEus Pcrs. — Syn. pag. 676. Hab. In fiino vaccino vetusto in sylvaticis prope Punta Arenas, Apr. 1882. 160. HuMARiA GRANULATA Bull. — Champ. p. 258, tab. 433, fig. 3. Hab. In fimo vaccino vetusto in uliginosis secus Rio Gal- lego, Jul. 1882. Obs. Species haec duo omnino cum speciminibus europeis congruentes. 161. ASCOPHANUS PATAGONICUS Speg. (u. Sp.). Diag. Ascomata sparsa v. hinc inde laxe gregaria, rube- scenti v. flavescenti-ceracea, hemisphaerica (0,5-1"' diam.), superne applanato-concava, margine integra, extus glaberrima ; asci clavulato-saccati (20 X 8 [).), ses- siles, aparaphysati, octospori, sporae inordinate di-tri- stichae, ellipticae, nonnihil iiiaequilaterales, utrinque obtusiusculae (7-9 X 3 i^), hyalinae. lodi ope nulla. Hab. In fimo Aucheniae guanaco in meseta secus Rio S. Cruz, Aug. 1882. 162. Patinella? antarctica Speg. (n. sp.). Diag. Ascomata sparsa, hemisphaerico-cupulata, minuta — 5G — (300-350 [i diam.), atra, laevissima, glaberrima, disco concaviiisculo nou v. vix pallidiore, carnosulo-subcar- bonacea, contextu epithecii dense minutissimeque me- renchymatico, olivaceo; asci cylindracei, subtorulosi, apice obtuse rotundati, postice in stipite crasso ac bre- viusculo producti (65-70 x 7-8 ;a), octospori, aparaphy- sati, muco fuscescente tenacissimo immersi ; sporaerecte Y. oblique distichae, ellipticae (10-11 x 5-6,5 [i), utrin- que obtusae, hyalinae non v. grosse 1-ocellatae. lodi ope nuUa. liab. In stercore vetusto Rheae Darwinii in altiplanitie, mesela vocata, secus Bio S. Cruz, Aug. 1882. MYXOMYGETEAE (Fr.) DBy. 163. LlCEA AWTARCTfCA Speg. (ll. Sp.). Diag. Sporangia saepius hinc inde 5-20-gregaria, rarius solitaria, hypothallo submembranaceo-floccululoso con- colore insidentia, oboYata (0,5-0,7'"), sessilia, murino- fulvescentia, glabra, laevia ; membrana simplex, tenuis fulvella, anhista, sub lente rugulosa ; capillitium parcis- simum e tubulis exillimis (1 [j. cras.), non v. vix ramu- losis, laxissime papillosis, obscure fulvescenti-fuligi- ueis com])ositum ; sporae giobosae (10-11 ;x diam.), episporio crassiusculo minute denseque asperulo dona- tae, e hyalino pallide roseo-fulvescentes. Hab. Ad truncos cariosos Fagi antarcticae in sylvis prope Punta Arenas, April. 1882. FUNGI IMPERFECTI 164. Phoma JJergii Speg. — Fung. Arg. pug. III, ii. 100. Hab. Vulgata ad folia viva et emortua Chuciuiragae eri- naceae prope Misioneros secus Rio S. Cruz, perauu. 1879-82. — 57 — 165. Phoma AKTAiicTiCA Speg. (n. sp.). Diag. Perithecia densiuscule sparsa, subepidermica, len- ticularia (100-140 [x diam.), atra, glabra, opidermide nonnihil nigrificata adnata, ostiolo minutissimo, papil- laeformi donata, coriacella, contextu subindistincto, dense minutissimequc parenchymatico, olivaceo ; sterig- mata cylindracea, breviuscula (8-10x2 [;,), apiceacuta, hyalina ; sporulae cylindraceo-ellipticae v. ovoideae (5- 6 X 1,5-2 [j,), utrinque acutae, grosse 1-guttulatae, hya- linae. Hab. Ad folia emortua Azorellae cujusdam in marittimis Gregory bay, Jul. 1882. 166. Phoma tawdilensis Speg. — Fung. Arg. pug. IV, n. 279. Hab. Ad folia et petiolos emortua putrescentia Margyri- carpi cujusdam prope Bahia Blanca, Aug. 1886. 167. Aposphaeiha freticola Speg. (n. sp.). Diag. Perithecia sparsa v. laxe hinc inde gregaria ex ovoi- deo pyriformia (1 60- 1 80 [i diam.), basi matrici insculpta, atra, carbonacea, laevissima, glaberrima, subnitentia, contextu indistincto ; sterigmata parvula e bacillari sub- clavulata(5-12 X 1 [j.), apice obtusa, hyalina ; sporulae minutissimae, ellipticae, utrinque rotundatae ac grosse 1-guttulatae (2,5 X 1 [x), hyalinae. Hab. Ad ramos emortuos Fagi antarcUcae in sylvis prope Punta Arenas, April. 1882. 168. PlACOSPHAERIA? MAGELLANICA Speg. (u. Sp.). Diag. Stromata sparsa, parenchymate innata, prominula, lenticularia v. lenticulari-subconoidea (280-350 [;, diam.), atra, glabra, rugulosa, 1-3-locuIaria, membranaceo- coriacella, contextu grosse parenchymatico-celluloso, fuligineo, atro; sterigmata non visa ; sporulae minutis- - 58 — simae, cyliudraceac (3-4 x 0,5 •;,), utrinque truncatae, saepeque minute bi^nittulalae, liyalinae. II ab. Ad folia emortua putrescentia Bromi macranthi prope Gregory bay, April. 1882. Obs. Species facillime in genere Melasmia transfcrenda. 169. CoiMOTHYRiuM Bergii Spcg. — Fuug. Arg. pug. III, n. 114. Ilab. Vulgatissimum ad spinas nec non ramulos Berberi- dis empetrifoliae, heterophyllae, clulcis, ilicifoliae per tota Patagonia, per ann. 1874-83. 170. AscocHYTA PATAGOiNicA Spcg. — Fung. Arg. pug. III, n. 123. Hab. Ad petiolos nec non scapos Anemonis sphaeno- phyllae in uliginosis secus Rio S. Cruz, Aug. 1882. 171. AcTiisoivEMA ROSAE (Lib.) Fr. — S. v. Sc, p. 424. Ilab. Yulgatum ad folia languida Rosarum cultarum in Patagones, Sept. 1883. 172. DiPLODiA SALTCiivA Lcv. — Aun. Sc. iiat. 1846, V, p. 292. Hab. Ad ramulos dejectos putrescentes Salicis Hum- boldtianae prope Bahia Blanca, Aug. 1886. 173. Septoria bowlesiae Speg. — Fung. Arg. pug. IV, n. 285. Hab. Ad folia viva v. languida Bowlesiae tenerae in Chubut, ann. 1883. 174. Camarosporium Roumegueri Sacc— Speg., Fung. Arg. pug. III, n. 125. Ilab. In caulibus languentibus Salicorniae peruvianae in Isladelos liones de mar hi Rio S.Cruz,anii . 1874. — 59 - 175. Camarosporium patagoinicum Speg. — Fung. Arg. pug. III, n. 126. Flab. Ad folia viva v. languida Atriplicis cujusdam prope Rlo S. Cruz, ann. 1874. 176. Vermicularia dematium (Pers.) Fr. — S. v. Sc. p. 420. Hab. Ad caules dejectos putresceutes herbaruin secus Rio Gllego et prope P. Arenas, hiem. 1882. 177. BLEr^woRiA patagonica Speg. (n. sp.). Diag. Acervuli saepius hypophylii, laxe gregarii v. sparsi, erumpentes epidermideque laciniata cincti, compactiu- sculi, udi irregulariter pateliari-aperti, disco tumido fuscescente, sicci ruguloso-contracti, sordide argiHaceo- fusci (250-400 \j. diam.); sterigmata non visa; conidia e strato proligero, carnosulo, fulvo-fusco, dense minutis- simeque cellulosD, catenulatim exsurgentia, simplicia, bacillaria (15-20 X 1-1,5 [j.), utrinque truncata hyalina. Hab. Vulgatissima ad folia dejecta putrescentia Derbe- ridis heteroiihyllae prope Rio S. Cruz et Gallego, nec non Gregory bay, Punta Arenas, hieme 1882, 178. Trullula tehuelches Speg. (n. sp.). Dlag. Perithecia sparsa v. gregaria, innato-erumpentia, hemisphaerico-subcupulata (90-100 [x diam.), atra, gla- bra rugulosa, coutextu epithecii subcarbonaceo, externe atro iuterne subviolascente, subindistincte parenchy- matico ; sterigmatafasciculata, articulato-nodulosa, parce ramulosa, hyalina, longitudine varia ; conidia acro- pleurogena, catenulata, cylindracea, utrinque truucata (3-6 X 1 [x), ac 1-guttulata, hyalina. Hab. Ad ramulos emortuos Lepidoidhylli cupressifor- mis in meseta secus Rio Gallego, Aug. 1882. Obs. Species, pseudoperitheciorum presentia, melius iuter subcupulatas (sub Godrionella !) adscribenda. — 60 — 179. FUSIDIUM MAGELLANICUM Speg. (ll. Sp.). Diag. Maculae niajiisculae (2-5'" diam.), [)allesceiiti-are- scentes, subindeterniinatae, concentricc rugulosae; acer- vuli ampliigeni, minutissinii, dense gregarii saepeque confluentes, candidi ; liyphae non v. vi.x. evolutae, gra- cillimae, repentes, non v. vix ramulosae, hyalinae ; co- nidia catenulata, cylindracea, continua (rarius medio 1-septata sed non constricta), utrinque acutiuscula (sed vertice truncatulo), recta v. subcurvula (12-30 X 2- 2,5 [j.), hyalina. Hab. Ad folia viva Casaleae cujusdam in rivulis prope Gregory bay, Apr. 1882. 180. OiDiUM ERYSiPHOiDE Fr. — Syst. myc. III, p, 432. Hab. Formas plurimas hinc inde iaveni : I. Madia viscosa prope Punta Arenas. II. Fumaria capreolata prope Dahia Dlanca. III. Oxalis martiana'^ prope Dahia Dlanca. IV. Geranium patagonicum in Puerto Deseado. V. Adesrniae spec. in Santa Cruz. 181. OiDiUMTucRERiiBerk.— inMon. Belg. 1850, L\, 2383. Hab. Ad folia viva Vitis viniferae prope Carmen de Patagones, Aug. 1883. 182. OiDiuM LEucocoNiuM Desm. Hab. Ad folia languida Rosarum cultarum vulgatissima in Dahia Dlanca et Patagones per ann. 1883-86. 183. ASPERGILLUS GLAUCUS Lk. Hab. Ad bulbos dejectos putrescentes Allii coepae prope Patagones, Sept. 1883. 184. Penicillium glaucum Lk. Hab. In pane corrupto prope Misioneros secus Rio S. Cruz, Jan. 1882. — 61 — 185. CoNiospouiuM ARUNDiJNis Cda. Hab. Iii cLiliiios dejectos piitresceiites Gyyierii argentei iii paliidibus prope Bahia Blanca, Aug. 1886. 186. Cladosporium herbarum Lk. — Obs. iiiyc. II, p. 37. Ilab. Ad folia dejecta Populi carolinianae (Bahia Blanca) et Mayteni magellanici et Embotryi cocci- nei prope Gregory bay, Apr. 82 et Aug. 86. 187. Cercospora vitis (Lev.) Sacc. Hab. Ad folia viva v. languida Vitis viniferae prope Carmen de Patagones, Aug. 1883. 188. Stylbum aurantio-cinnabarinum Speg. — Fung. Arg. pug. IV, n. 346. Hab. Ad truncos emortuos Duwauae cujusdani prope Bahia Blanca, Aug. 1886. 189. Sporocybe antarctica Speg. (u. ?p.). Diag. Stromata sparsa v. hiuc iude plus minusve dense gregaria, matrice dealbata insideutia, atra, stipite seta- ceo, recto v. subflexuoso, cyiiudraceo (2'" alt. X 100- 150 [.». crass.), inferne uou v. vix incrassatulo, superne abrupte in capitulo subgloboso v. subhemisphaerico, vix. pallidiore expauso, contextu prosenchymatico sub- iudistiuco olivaceo-douata ; couidia globosa, uiiuuta (2- 3 [;. diam.), grosse 1-guttulata olivacea. Hab. Vulgatissima ad truucos decorticatos cariosos Fagi antarcticae prope Cabo Negro, P. Are^ias, Voces bay, aut et hiem. 1882. 190. Fusarium heterosporum Nees. Hab. Vulgatum ad Sclerotium clavum in graminaceis parasitaus, Rio S. Cruz, Gregory bay, Aut. 1882. 62 — MYCELIA STERILIA 191. Amhi^a? muscigena Speg. — Fiing. Arg. pug. IV, n. 365. Hab. Ad niuscos truncos vestientes vulgata prope Voces bay, 3Iaj. 1882. 192. Rhizocto.ma violacea TuI. ? Z/ci5. Ad bulbos Alsthroemeriae j^yr/meae in meseta secus Rio Gallego, Jul. 1882. 193. Rhizomorpha subcorticalis Pers. — Syn. p. 704. Ilab. Ad truncos emortuos Fagi antarcticae prope Punta Arenas, Jul. 1882. 194. SCLEROTIUM? DOTHIDEOIDE Speg. (u. Sp.). Diag. Stromata ienticularia, [)arenchymate foliorum in- nata ad epiphyllum discoideo-convexula (0,5'" diam.), atra laevissima, subnitentia, ad liypopliyllum non v. vix erumpenti-prominuhi, intus alba, compacto-subcornea, homogenea. Hab. Vulgatissimum ad folia dejecta putrescentia Berbe- riclis buxifoliae et D. lieteroiyliyllao prope P. Are- nas, Jul. 1882. 195 ScLEROTiuM Claivus DC. Hab. Vulgatus ad cariopsides Spartinae cujusdam prope Misioneros, Rio S. Cruz, et PJilaei Alopecurique in Gregory bay, Apr, et Aug. 82. La Plala, 1° Martio 1887. New York Bolanlcal Garden Llbrary SlzzinPcarloLuiai/FunaiP^^^ 3 5185 00115 8540 ^ K i*^^H