HymenomycetBe, Agaricacese, Leucosporse, Pleurotus. 65 



glabro, albo; carne alba; lamellis tenuibus, confertis, postice rotun- 

 datis, adnexis albis; stijDite longissimo, solido v. farcto, plus mi- 

 nusve curvo v. flexuoso, plerumque excentrico, supra glabro, basi 

 plus minusve tomentoso, albo; sporis globosis, 4 ;j.. diam. 



Hah. in ligno dejecto in silvis prope Detroit, Micliigan Amer. 

 bor. (0. E. Fisgher). — Pileus 5-10 cm. latus; stipes 5-16 cm. 

 longus, 6-10 mm. cr. 



9. Pleurotus tahitensis Pat., Bull. Soc Mycol. Fr. XXII (1906) 263 

 p. 51. — Pileo carnoso, imbricato, dimidiato, sessili, albido, postice 

 gibboso, glabro, margine incurvo, plicato-lobato, levi; lamellis al- 

 bidis fuscescentibus, distantibus, strietis, acie integra, interstitiis 

 levibus; sporis albis, ovoideis, 6-9*^3-4; cystidiis nullis. 



Hdb. ad truncos emortuos Pandani, Tabiti, Fakahina, Ti- 

 kahan Polynesire (Seurat). — Pleur. ostreato afftnis. 



10. Pleurotus terrester Peck, New York State Mus. Bull. n. 116 264 

 (1907) pag. 29. — Pileo tenui, late convexo, ji^quali, glabro, udo, 

 albido 5-7,5 cm. lato; lamellis tenuibus^ confertis, latis, leniter 

 emarginato-adnexis, albidis ; stipite sequali, levi, curvo, glabro, so- 

 lido, excentrico, albido 5-7,5 cm. long., 6-8 mm. cr. ; sporis albis, 

 globosis, 7-8 [j.. diam. 



Hab. ad terram ad marginem silvarum West Fort Ann, AVa- 

 shington co. Amer. bor. (S. H. Burnham). — Pertinet ad sec. Tri- 

 cholomatarii. 



11. Pleurotus Dracaenae Torrend, Broteria, ser. bot. VIII (1909) 265 

 p. 130. — Totus albus v. albo-ilavescens; solitarius v. gregarius 

 sed non imbricatus; dimidiatus; pileo excentrico, subiaterali, 4-5 

 cm., hemisphaerico, fLoccis tenuibus ad modum squamularum con- 

 sperso, postice subdepresso-marginato; stipite brevi, 1-1,5 cm. 

 longo, glabro, ascendente ; lamellis decurrentibus, basi discretis, 

 insequilongis, confertis, acie integra; basidiis clavatis; sporis elli- 

 psoideis, interdum fusoideis, 10-12 ^ 3-4. 



Hah. ad truncum vetustum Dractenoe indivisir, in insula 

 Madeira f.T. Barreto). — Pleur. pantoleuco Fr. perafifinis, 



12. Pleurotus brunnescens (Earle) Sacc. et Trav., Index iconum 266 

 fungorum (Syll. XX), pag. 48. — Geopetalum hrunescens Earle 

 Estac. agronom. Cuba I (1906) p. 235, tab. XXXIII, fig. 2. — 

 Pileo tenui medio disrumpente, 3-4 cm. lato, spathulato, appla- 

 nato, fusco-pallido, nou striato, glabro, basi leniter albo-sericeo ; 

 lamellis adnatis, vix decurrentibus, confertis, angustis, irregula- 

 riter connexis, i)iIeo pallidioribus ; sporis globosis, albis, 3-4 «x. 



Syll. fung. XXI (III-1911) 5 



