HymenomycetsB, Ag-aricacege, Leucosporae, Omphalia. 85 



Hab. in lignis putrescentibus in Alabama Amer. bor. (Eaele). 



— Pileus 4 y,-9 mm. latus ; stipes circiter 2 7^ cm. longus, 1 mm. 

 crassus. 



3. Omphalia mlnutissima P. Henn. Engl. Jahrb. XXIII, p. 555. — loe 

 Pileo membranaceo, pellucidQ, convexo, depresso, subinfundibuli- 

 formi, striato, undulato, levi glabroque, niveo, 1-2 mm. diam.; 

 stipite filiformi, glabro, levi, basi bulbilloso, substrigoso, 6-10 mm. 

 longo, concolori; lamellis decurrentibus, paucis, 5-7, distantibus, 

 albis; sporis subellipsoidei&, byalinis, Sy,-^:'/^ u. long. 



Hdb. in ramis putridis in Camerunia (Staudt), — O. integrellce 

 affinis. 



4. Omphalia bipindeensis P. Henn. Engl. Jabrb. XXIII, p. 555. — 107 

 Pileo membranaceo, tenui, campanulato, centro umbilicato, obscu- 

 riore, radiato-striato, flavo, subochraceo, 2-10 mm. diam. ; stipite 

 gracili, tereti, sequali, cavo, levi glabroque, flavo-brunneolo, ad 

 basim obscuriore, 2-4 cm. alto, 1-1 y, mm. crasso; lamellis decur- 

 rentibus, subarcuatis, confertis, pallide ilavis; sporis ellipsoideis, 

 liyalinis, levibus, 4-5 « 3-3 y,. 



Hab. in ligno putrido in Camerunia (Zenker). 



5. Omphalia luteola Peck, Ball. Torr. Bot. Cl. XXIII, 1896, p. 411. 108 



— Pileo tenui, convexo v. subhemisplisBrico, glabro, centro de- 

 presso V. late umbilicato, luteolo; lamellis paucis, 10-15, distan- 

 tibus, decurrentibus, pallidis ; stipite gracili^ glabro, solido, brunneo^ 

 basi mycelio albo ; sporis subellipticis, 6y^-7«4, plerumque 1- 

 nucleatis. 



Hab. in ligno p ; n e o , "Wasliington Amer. bor. — Pileus y,-! cm. 

 latus; stipes fere ly^ cm. longus, 1 mm. crassus. 0. Campanellce 

 valde affinis. 



6. Omphaiia subintegrella P. Henn. Fungi camerun. I, in Engl. Jahrb. 109 

 XXII, 1895, p. 105. — Pileo membranaceo, primo subresupinato, 

 excentrico-stipitato, albo, radiato-striato vel subsulcato, vertice 

 depresso, 3-4 mm. lato, margine tenui sinuoso reflexo; stipite cur- 

 vulo, tenui, albo, glabro levique^ basi discoideo, 1-3 mm, longo; 

 lameUis paucis, 3-6, valde distantibus, decurrentibus, albis. 



Hab. ad caudices putres Calami, Kamerun. (Dusen,). — O. in- 

 tegrellce Pers. af&nis. 



7. Omphalia squalido-fusca Britz, Hymen. Kunde. I, 1895, p, 4, UO 

 fig. 704. — Pileo sordide brunneo, marginem versus leviter suU 

 cato, demum transverse rimoso; lamellis isabellinis vel rubro-isa- 

 bellinis, subconfertis ; stipite pileo concolori, sui"sum pallidiore, 



