Hymeiiomycetae, Agaricacefe, LencosporiB, Marasmins. 157 



(1915). — Pileo tenuissimo, membraiuiceo, subexcentrico et irregu- 

 lari, profunde depresso, 1,5-2,5 cm. bito ; superficie glabra, leniter 

 radiato-striata, subpeHucida, alba, niargine concolori, irregulari v. 

 leniter lobato ; himellis distantibus, adnatis et postice rotundatis, 

 aiigustis, insertis intervenosis reticulatis, albis, tenuibus, arescendo 

 Havescentibus et subundulatis ; stipite excentrico, sursum expanso, 

 levi, e pruinoso glabro, cavo, e albido roseo-isabellino, 1,5-2,5 cm. 

 longo 1,5-3 mm. crsisso. 



Hah. giegarius v. subcaespitosus ad lignum emortuum, Grenada, 

 Amer. bor. (W. E. Broadway). 



52. Marasmius Earlei Murrill, North Am. Fh IX, 4., p. 258 (1915).— 590 

 Pileo parvo, opaco, e convexo subexpanso, aetate centro late sed 

 distiucte depresso, 3-5 uim. hito ; superficie e minute pubescenti 

 glabra, all)ida, levi, non striata, centro plerumque decolorata, mar- 

 gine integro, concolori, arescendo inflexo ; lamellis latis, adnatis 

 tenuissimis, irregularibus, pluries insertis, ventricosis, albis, sub- 

 distantibus, parce intervenosis ; sporis ellipsoideis, levibus, hyali- 

 nis, 6-7*4-5; stipite flliformi, breviusculo, levi, glabro nitido, su- 

 pra badio infra nigricante, 5 mm. circ. longo 0,2 mm. crasso. 



Hab. gregatim in ligno dejecto, Castleton Gardens Jamaica Amer. 

 bor. (Earle). 



53. Marasmius niveicoior Murrill, North Am. Fl. IX, 4., p. 257 (1915).— 591 

 Pileo e conico late convexo et nmbone subconico praedito, parvo 



- pt tenui, pelkicido, 5-7 mm. lato ; superficie albo-nivea, levi, gla- 

 bra, striata, sub lente minute pruinosa, margine integro, conco- 

 lori; lamellis decurrentibus, latis distantibus, insertis, albis; sporis 

 ovoideis, levibus, hyalinis, granulosis, 7 8*3-4; stipite longo et 

 capiliaceo, albo levi, glabro, 4 cm. longo. 



Hab. caespitosus ad ligna dejecta, Motzorongo prope Cordoba, 

 Mexico, Amer. bor. (Mureill). 



54. Marasmius Raffillii Massee, Kew Bulh, 1909, p. 374.— Pileo primo 592 

 campanulato, dein applauatoexpanso, margine subincurvo, levis- 

 simo, crassiuscule membranaceo, glaberrimo, pallidissime sordideque 

 flavo-griseo, medio et supra lamellas obscuriore, 4-5 cm. diam.; la- 

 mellis pileo concoloribus, distantibus, antice acutatis, postice at- 

 tenuato-decurrentibus, acie integris ; stipite leviter excentrico, in- 

 curvo, tenui, glaberrimo, tenaci, pileo concolore; sporis ellipsoideis, 

 hyalinis, 5*3. 



Hab. ad fragmenta vegetabilia putrida in calidariis, Kew Angliae 

 (C. P. Eaffill) — Verisimiliter species exotica importata. 



