Hymenomycetae, A.garicacenD, Leucosporae, Maraamins. 147 



10. Marasmius polyporoides MmriU, North Amer. Fl., IX, 4., p. 266 548 

 (1915). — Pileo couvexo, noii omnino expanso, nec nnibonato nec 

 depres80, 1-2 cni. lato; superficie glabra, levi, disco rugoso-reticu- 

 lato, non striato, ferrugineo, arescendo saepe pallide badio, margine 

 integro, concolori, arescendo involuto; bymenio poroideo, albo, la- 

 mellis primariis crebe transverse connexis; lamellis adnatis, tenuis- 

 simis, angustissimis, arcuatis, pluries insertis; stipite angusto, levi 

 glabro, nitido, aequab', e castaneo nigricante, 4-5 cm. longo 1-1,5 

 mm. crasso. 



Eab. ad fob'a pntresceutia in silvis, British Uonduras, Amer. bor. 

 (M. E. Peck). 



11. Wlarasmius Harrisii Munill, North Am. Fl. IX, 4., p. 264 (1915). — 549 

 Pileo crassiusculo, mediae magnitudinis, e convexo plauo, leniter 

 umbonato, aresceudo conspicue sulcato et contorto, 2-3 cm. lato ; 

 snperticie levi^ glabra, isabelliua, umbone pruinosulo; lamellis la- 

 tis, ventricosis, insertis, snbcoufertis, leniter intervenosis, adnatis 

 cremmeis ; sporis elHpsoideis, levibus, hyalinis, granulosis, circ. 



5 * 2,5 ; stipite concolori, e fibrilloso glabro, basi albido myceli- 

 oideo, circ. 3 cm. longo et 2-3 mm. crasso. 



Hah. solitarius inter folia emortua in silvis, Troy and Tyre, Cock- 

 pit Country, Jamaica, Amer. bor. (Murrill et Harris). 



12. MarasmJus porloricensis Murrill, North Amer. Fl., IX, 4., p. 262 550 

 (1915), — Pileo firmiusculo et opaco, non umbouato, caespitoso, 7-10 

 mm. lato; superficie badia, glabra, rugoso-striata, margine concolori, 

 parum deutato, arescendo omnino irregulari ; lamelbs latiusculis, 

 ventricosis, 2-3 insertis, aduexis, fulvis, praecipue arescendo ; sti- 

 pite longissimo, capillari, isabellino, e minute et deuse pubescenti 

 subgbibro et nitidulo, (S-^ cm. longo 0^5 mm. cr. 



Hab. caespitosus ad folia emortua, Rio Piedras, Porto Rico, Amer. 



bor. (JOHN R. JOHNSTON). 



13. Marasmius paucifolius MurrilJ, North Am. Fl. IX, 4., p. 262 (1915).— 551 

 Pileo parvo, tenuissimo, e convexo subexpanso, disco leniter gib- 

 boso, 5-10 mm. lato ; superticie levi, glabra, disco rugosa, badia^ 

 supra bimellas striata, margine late sinuato, integro, concolori, are- 

 scendo incurvo, bimelHs perpaucis (8-12) et distantibus, utrinque 

 attenuatis, veutricosis, angustis, iu annubim tenuem adnatis, e pal- 

 lidis flaviduHs, interspatiis omnino levibus; stipite capillari, levi, 

 glabro, nitido, e avellaueo subfusco, 4-6 cm. longo 0,5 mm. crasso. 



Hah. gregatim ad folia emortua, Rio Piedras, Porto Rico, Amer. 



bor. (JOHN R. JOHNSTON). 



