yi> Hymenomycetae, Agroricaceae, Leucosporfe, Pleurotiis. 



7. Pleurotus properatus C. Mart. BuJl. Soc. bot. Geneve, VII, 1892- i-^'J 

 1894, p. 177. — Pileo membranaceo, forma vario, semper plus 

 minusve umbilicato, centrali v. excentrico, interdum unilaterali v. 

 flabelliformi convexo-cyathiformi v. infundibuliformi, s8Bpe radia- 

 tim lacerato, 4-7 cm. lato, albo-flavo, cuticula in squamulas fibril- 

 losas obscure brunneas concentrice uisjjositas fugaces centro sub- 

 persistentes lacerata; lamellis adnato-decurrentibus v. arcuato-de- 

 currentibus, linearibus, insequalibus, sublatis, confertis, albo-flavis 

 acie erosis ; stipite annulato, recto v. curvato, cylindrico interdum 

 compresso aequali, 1-3 '/j cm. longo, y^ cm. crasso, deorsum squamis 

 concentricis obscure brunneis tecto; annulo membranaceo, fugaci; 

 sporis elongato-pruniformibus v. fusiformibus ; sapore grato, odore 

 farinoso. 



Hab. ad truncos ad ripam fl. Aire pr. Certoux in Helvetia. 



8. Pieurotus germinans De Seyn. Recli. Cliamp. Congo fr. I, p. 9, i30 

 tab. I, fig. 18-20. — Pileo sessili fere pezizseformi v. excentrico 

 auriformi, levi, camosulo, firmo, margine recto, subinvoluto, ociiro- 

 leuco, 1-1 '/2 cm.; lamellis inaequalibus, angustis, confertis, conco- 

 loribus; hymenio cystidiis vegetantibus ornato; basidiis rarissimis 

 oblongis ; sporis hyalinis, B « 3 y . 



Hab. ad cortices arborum pr. Kangroe, Lambarene in regicaie 

 Kongolana gallica. 



9. Pleurotus ogonensis De Seyn. Champ. Congo fr. 1897, I, p. 8, 13) 

 tab. III, fig. 15-16. — Pileo semiinfundibuliformi expanso, margine 

 undulato, postice breviter elongato stipitiformi, albo-argenteo, car- 

 nosulo, levi, non liygrophano, 2-3 y^ cm. lato ; lamellis 5 mm. 

 latis insequalibus, sinuosis, concoloribus ; hymenio homogeneo, cy- 

 stidiis nullis; basidiis oblongis fere ovatis; sterigmatibus sublongis; 

 sporis hyalinis, ovalibus, 4-5 « 3 u. 



Hab. ad truncos pr. Talagouga in regione Kongolana gailica. 



10. Pleurotus ostreatus Jacq.-Sacc. Syll, V, p. 355. — Yar. nudipes 132 

 Boud. Bull. Soc. Mycol. de France, 1897, p. 11, tab. 1, fig. 1. 



— Csespitosus; pileo excentrico aut fere dimidiato, glabro intense 

 cinereo-fusco ; pediculo albo, levi ; lamellis albidis, longe decurren- 

 tibus, postice anastomosantibus : sporis albis, oblongo-cylindricis, 

 vix curvatis, intus subgranulosis, 10-11« 4-4 y^. 



Hdb. adossa Balenae uda in Museo Burdigalensi Gallise (Du- 

 balen). 

 '■ l. Pleurotus Schwabeanus P. Henn. Notizbi. Konigl. Bot. Gart. 133 

 u. Mus. Berlin. 1897, N. 7, p. 229. — Pileo carnosulo, laterali, 



