48 riymenoniyceten\ Agarieinete, Leucosporse, Pleurotus. 



leo carnoso, infundiltuliformi, ochraceo-albo, dGraura sulphureo, pur- 

 pureo V. fuligineo inaculato, glabro. levi ; stipite subexcentrico, so- 

 lido. ciirto, deorsum attenuato, albido,- lanieilis longo decurrenti- 

 bus, subconfcrtis, arcuatis, utrinque attenuatis, angustis, albidis, 



Hab. in Jigno putri, ut videtur, Melbourne Australia? (Wehl). 

 — Pileus 7-10 cm. diara.; stipes 25 mm. long., 12 mm, cr. 



12. Pleurotus russaticeps Berk, in Cooke Grev. XVI, p. 106. — Pi- 197 

 leo carnoso, convexo, applanato, demum depresso, 5 cm. diam., gla- 

 bro, levi, rufo-brunneo. margine tenui; stipite subexcentrico, ri- 

 gido, adscendente, 25 mra. long., 6-8 ram. crass., pallido, ad basim 

 disciformi; lamellis confertis, arcuato-adnatis, angustis, albis; spo- 



ris 10::; 4-5. 



Hab. ad truncos in Japonia. — Esculentus. 



13. Pleurotus sulciceps Cooke et Mass. Grev. XVIII, p. 3, — Pileo i98 

 carnoso tenui, e plano infundibuliforrai, radiato-rugoso, subsulcato, 

 glabro, fuligineo, disco obscuriori, subvelutino, margine pateute, 

 crispato, pjerumque sublobato, 2,5-5 cm, diam.; lamellis tenuibus, 

 distantibus, postice attenuatis, decurrentibus, interstitiis venosis, 

 albis; slipite tenui, cavo, compresso, cuivulo, striato, albido, 25- 



35 mm. long., 4 mra. crass.; sporis 5-3. 



Hah. ad ligna putrescentia, Brisbane Austraiiae. 



14. Pleurotus tarnensis Speg. F. Pat. n. 12. — Solitarius; pileo lo- 199 

 bato-subdimidiato, profunde umbilicato-cyathiforrai, 4-4,5 cm. diam., 

 sordide fusco-carneo, levissimo, glaberrimo vix sub jove pluvio 

 viscidulo, margine acuto, curvulo, repandulo. plus minusve perspi- 

 cue striato (an sulcato?), pulchre hjgrophano; lameliis latiusculis, 

 crassiusculis, ceraceis, polymacriis, ssepe basi confluentibus, antice 

 obtusato-rotundatis, postice attenuato-acutati.s, adnato-decurrenti- 

 bus, in juventute subcarneo-pruinulosis, in senectute dilute vinoso- 

 maculatis; stipite 2,5 cm. long., I cm. crass., irregulariter com- 

 presso, jate fistuloso, sordide albo v. albo-subcarneo, basi irregn- 

 lariter adfixo, arrhizo, glaberrimo, levissimo; sporis cyliQdraceo- 

 ellipticis, utrinque obtuse rotundatis, 6-6,5^2,5-3, inferne excen- 

 trice apiculatis, hyalinis. 



Hab. ad truncos in Patagonia. 



15. Pleurotus chaetophyllus Sacc. liedw. 1889, p. 126, t. II. f. 6. — 200 

 Dimidialus, obovato-spathulatus, tenuis, brevissime stij^itatus, mar* 

 gine acuto dein rectiusculo, dense breviter albo-tomentosus; stipite 

 crassiusculo ruguloso; iamellis angustis, confertissimis, saepius in- 

 legris, ex albo alutaceis, stipltem attiugentibus, ubique setulis fu- 



