Hymenomycetese, Agaricinese, Leucosporse, Pleurotus. 45 



16. Omphalia cuneifolia Karst. Symb. Fenni 28, p. 37. — Fragilissi- i84 

 ma; pileo carnosulo, admodum tenui e convexo plano, obtuso, sic- 



co, glabro, udo pellucide striato, fuligineo, sicco alutaceo vel al- 

 bidopalleute, 2-5 cm. lato ; stipite solido, sequali v. ssepius apice 

 incrassato, tereti, subinde superne compresso, stricto v. flexuoso, 

 nudo, apice furfuraceo, basi albo-tomentoso, levi, pallido, 3-4 cm. 

 aito, 2-3 mm. crasso; laraellis adnatrs, distantibus, crassiuscuiis, 

 latis, ventricosis vel antice latioribus, oblique truncatis, cinerescen- 

 tibus, 6-7 mm. latis, subinde venoso-connexis; basidiis clavatis, 

 40-45 "10-12; cystidiis nullis; sporis ellipsoideo-sphaeroideis, chlo- 

 rino-hyalinis, 10-12^:9-10 aut 10 (x. diam. 



Hab. ad terram humoso-arenosam muscosam locis umbrosis in 

 horto Mustialensi Fenniae solitaria, inodora, 



17. Omphalia hirsuta (Tode) Quel. XVII Suppl. pag. 3, t. XV, f. 8 i85 

 (Omphalma), Heloiium Tode, Omphalia caricicola Lasch. — Hya- 

 lino-alba, mox flaccescens; pileo umbilicato-convexo, tenuissimo; 

 lamellis v. plicis obliteratis (?); hymenio unito; stipite capillari, 

 curto, 3-4 mm. long., piloso, base bulbilloso; sporis ovoid6o-eion- 

 gatis, minute aculeolatis, 9 [t.. long. 



Hab. in silvis paludosis ad Carices putrescentes, Montmorency 

 Galliae (Boudier). 



18. Omphalia atro-puncta — Syll. V. p, 320. — Teste Cooke in litt. 

 apecies Friesiana et Berkeleyana est vere rhodophora, hinc Ecci' 

 lia. E contra Omphalia atro-piincUi Quel. et Patouill. hyalospo- 

 ra est, hinc vel species diversa v. forte status junior. Sporae quoad 

 njagnitudinem omnino diversae. 



19. Omphalia Muelierlana Berk. — Syll. V, n. 1321. - Teste cl. 

 Cooke in litt. in herb. Berkeleyano adest specimen nirais mancura 

 uti describi possit. 



PLEUROTUS Fr. — Syll. V, p. 339. 



1. Pleurotus tropicalls Speg. F. Guer. II, n. 4. — Pileo excentrico, 186 

 plano V, umbiiicato-expanso, in juventute suborbiculari dein sub- 

 spathulato vel subcordato, 1-1,5 cm. diara., horizontali, raargine 

 undulato repandove, albo, primo subtilissime pruiuulo.so dein glabra- 

 to, levi, tenui molli ; carne vix evoluta, alba; lameilis in latere nia- 

 jore pilei tantura evolutis, polyraacriis, confertissimis, strictissirais, 

 tenuibus, acie integris, utrinque acutatis, apice stipitis subcolla- 

 riato-adnatis v. subdecurrentibus, in vivo albis, in sicco rufescen- 

 tibus; stipite verticali, plus minusve exceutrico, breviusculo, 5 rani. 



