Hymenoraycetese, Agaricioeae, Leucosporae, Pleurotus. 47 



rotuiidatis, liberis, confertis, albis, dein carneis; stipite asquali, so- 

 lido, striato, subpubescente vel subtomentoso, albo; sporis subglo- 

 bosis, 7,5 ^.. diam,, saepius crasse 1-nucleatis. 



Rad. ad ligna dejecta, Catskill Mouiitains et Gansevoort. — 

 Fungus 5-12,5 cm. alt. ; pileus 2,5-7,5 cm. lat., stipite 4-8 mm. cr. 



7. Pleurotus jnicrospermus Speg. Rev. Myc 1889, p. 93. — Ceespi 102 

 tosus ; pileo infundibuliformi-subspathulato, repando-lobato, gla- 

 bro, sordide albo v, subcinerescenti, in sicco fuscescente; sporis e 

 globoso ovoideis, hyalinis, levibus, 3-4 a. diam.; cystidiis longe 

 lanceolatis, 45-60^10-15, apice obtusiuscule acutatis et saepe in» 

 crustatis, hyalinis. 



Hab. ad truncos in America australi (Paraguay v. Fuegia). — 

 P. ^trigeHo affinis, a quo recedit pileo glabro. 



8. Pleurotus roseo-cinereus Allesch. Suedbayr. Pilze p. 117. — Pileo 193 

 merabranaceo, centro tantum subcarnoso, campanulato, margiae pri- 

 mitus adhseronte, dein fisso et striato, fibroso-sericeo, roseo-cinereo, 

 4-6 cm. lat. ; stipite albo-lucente, fibrose striato-suicato, compresso, 

 supra attenuato et tenuiter pruinoso, cavo, 6 cm. alt., 3-4 mm. 

 cr,; lamellis confertis, liberis, ventricosis, latissimis (1 cm.), pal- 

 lide carneo-rubris ; sporis rotundis v. rotundo-ovoideis, apiculo prae- 

 ditis, pallide rufis, 5-7 \x.. diam. 



Kab. ad radices et in caudice fagineo vetusto prope Bene- 

 diktbeuern Bavarise. — Fungus facile liquescens. 



9. Pleurotus platypus Coolie et Mass., Grev» XVI, p. 121. — Pileo 194 

 carnoso, convexo, demum depresso v. subinfundibuliformi, glabro, 

 levi, fulvente; stipite excentrico, adscendente, solido, deorsum in- 

 crassato, clavato-bulboso, sursum rugoso, pallidiore; lamellis longe 

 decurrentibus, postice attenuatis, vix confertis, tenuibus, albidis; 

 sporis 10-12::; 4-5. 



Uah. ad truncos, Nepal, ludia (ad Colonial Exhibition). — Ple- 

 rumque csespitosus, esculentus. 



10. Pleurotus subocreatus Cooke in Off. Cat. Inter. Exhib., 1862, 195 

 p. 73 et in Grev. XVI, p. 106. — Pileo carnoso, convexo, fuligi- 

 neo, glabro, levi, 5-7 cm. diam., margine tenui, patulo, deraum 

 Hsso ; stipito brevi, ascendente, 25 mm. long., 6-12 mra. crass., cur- 

 vato, rugoso, pallidiori, farcto, ad basira velo subocreato; lamellis 

 confertis, latis, adnatis?; sporis ellipticis, 6 s 4. 



Hab. ad truncos Singapore. — Esculentus. 



11. Pleurotus polyph^mus C. et M. Grev. XVI, p. 72, Agaricus po- i96 

 lyohromus Cooke et Mass. Grev. XVI, p. 31, nec B. et Br. — Pi- 



