fungí argentini 31 



348. ISARIA ARACHNOPHILA Dttll. ? 



Hab. In corpore Epeirae speciei cnjusdam emortuae ad truncos 

 cariosos, in sylvis aiistralioribiis « Montes largos » Jan. 1881. 



Obs. Totam matricem mycelio candido obtegens, ubique ramulos 

 tenellos (2-3"'long. x0,2-0,4"'crass.), basi subcarneos, ápice 

 candidos emittens. Species non perfecte evoluta v. a Corethrop- 

 sideaustraliSv^g. valde obliterata, iterum inquirenda. 



349. Sporocybe ? chlorocepiiala Speg. (n. sp.) 



Diag. Stipites teretes, erecti, stromate tenuissimo, plus minusve 

 manifestó, per matricem serpente, atro exsurgentes, deorsum 

 crassiores, sursum gradatim tenuiores, dense gregarii et non 

 rarius subconfluentes v. coespitosi, atri, subnitidi, setiformes, 

 rigiduli, udi flexiles, sicci frágiles, majusculi (4-6'" X 0, 2-0^,4'"); 

 capitulum acrogenum, unicum, parvulum (0,3-0,5'" diam.), in 

 sicco globosum, inferné depresso-umbilicatum, compactiuscu- 

 lum, jove pluvio tumescens, gelatino-fluxile pallide et amone 

 virescens v. virescenti-aureum, exsterigmatibus dense constipa- 

 tis, filiformibus (60-70 X 1), continuis, hyalinis compositum; 

 conidia minuta (2x 1-1,5), elliptica v. elliptico-globosa, 1 v. 2- 

 guttulata, acrogena (an catenulata ?), hyalina. 



Species dubia, a genere Sporocybe Fr. satis abhorrens, facile 

 generi Antromyceti Fr. adscribenda ! 



Hab. In disco trunci caesi ac pntrescentis Salicis humboldtianae, 

 in uliginosis nemorosis. Recoleta, Maj. 1881. 



350. GrRAPHiUM FissuM Pr. — Sacc. Mich. I. p. 77. 



Hab. In ramulis dejectis pntrcscentibus j/e/íae a:íe£¿rtracA, in du- 

 metis, Bañado de San José de Flores, Apr. 1881. 



Obs. Dense gregarium, pulvinulis stromaticis erumpentibus exsur- 

 gens ; stipites cylindracei, atro-fuliginei, conipositi, sursum 

 parce hirto-dilatatuli, vértice rotundati ; hyphis fertilibus in 

 apicem hyalinnm, denticulato-nodulosum desinentes; conidia ex 

 denticulis hypbarum oriunda, elliptico-ovata, sursum ^obtuso 

 rotundata, deorsum acutata (5-8 x 2-2,5), hyalina. 



351. GrAPHIUM VERTICILLATUM Speg. (n. sp.) 



Diag. Coespituli majusculi (2-2,5'" alt. X i'" crass.), turbinati, su- 

 perficiales, matrici cinereo-nigrificata insidentes, laxe gregarii 

 V. sparsi ; stipites atro-olivacei, basi saepius confluentes v. basi 



