Hymenomycetse, Ag-aricacese, Leucosporse, Pleurotus. 25 



rubescente, interdum subsericeo, demum rimoso subsquamulescente, 

 margine undulato, interdum lobato-inciso, 2-8 cm. diam. ; stipite 

 subexcentrico, firmo, tereti, subclavato, pallido usque ad 4 cm. 

 longo, 0,5-1 cm. cr. ; lamellis decurrentibus subdistantibus, tenaci- 

 bus, angustis, pallide navescentibus; sporis oblongo-ellipsoideis, 1- 

 guttulatis, hyalinis, 8-11 « (3, levibus. 

 Hab. prope Biskra, Algeria. 



8. Pleurotus macilentus Massee in Kew Bull. 1901, p. 161. — Pileo 95 

 fiaccido, tenuissimo, flabelliforini, margine interdum lobato, albo 

 flavido, glabro, striato, 4-5 cm. lato; lamellis latis, subconfertis, 

 albidis, postice abrupte attenuatis; stipite laterali, brevi, 6-8 mm. 

 longo crassoque; sporis ellipticis 9-10*6. 



Hab. in ligno emortuo, Old Calabar Africae occident. 



9. Pleurotus Harmandi Har. et Pat., Champ. rec. au Jap., in Bull.  I,; 

 du Mus. d' Hist. nat. 1902, n. 2, p. 131. — Sparsus v. subcaespi- 

 tosus, primitus clausus et subglobosus, sessilis, lateraliter uno pun- 

 cto affixus, dein secundum sequatorium circumscissus, parte supe- 

 riori in pileum antice liberum postice indehiscentem abeunte, parte 

 inferiori tuberculiformi, limbo volviformi praedita, primitus libera, 

 dein cum pilei margine concrescenti ; pileo conchiformi, centro 

 pallidiori depresso, integro v. sinuoso, squamoso, velutino, fulvo- 

 brunneo, margine involuto; lamellis dilute luteis, decurrentibus, 

 confertis, strictis, imequalibus, simplicibus, basim versus distanti- 

 bus magis venosulis, contextu carnoso, obscure luteo; basidiis 2- 

 4-sterigmaticis, clavatis, 40-50 v 5-6; cystidiis apiculatis capitatisve; 

 sporis globosis, levibus 9 u.. crassis. 



Hab. in silva Chuiznipi, Tokyo Japonue (Harmand). 



10. Pleurotus bipindensis P. Henn. in- Engl. Bot. Jahrb. 1901, p. 54, 97 

 Syll. XVI, p 1111 (nomen). — Pileo carnoso molli, flabellato v. 

 reniformi, horizontali, ssepe lobato v. inciso-crenato, albido, prui- 

 noso 2-4 cm. cliam. ; stipite laterali, late compresso, concolori ca. 



5 mm. longo latoque, basi discoideo, byssino; lamellis decurrenti- 

 bus latiusculis, subconfertis, insequilongis, albidis; sporis cylindra- 

 ceis, obtusis, basi oblique apiculatis , 8-10 « 3-3,5. 

 Hab. ad cauclices emortuos, Kamerun Afr. 



11. Pleurotus portegnus Speg. — Syll. V, p. 366. - var. microspo- ;,s 

 rus Speg. Myc. Arg. ser. II, 1902, p. 50. - - A typo differt sporis 

 minoribus, 6*3. 



Hab. ad ramos dejectos putrescentes in silvula S. Catalina pr. 



Buenos Aires. 



