Hyiuenoinycettc, Agaricaceic, Leucospor*, Omphalia. 103 



phalhia luteicolor Muirill, N. Araer. FI. IX, p. 348 (1916). — Pileo 

 e couvexo depresso, i)lerumque 2 cm. lato sed quaudoque usque 

 ad 4 cm. ; superflcie levi, glabra, sicca v. uda, e pallide lutea tere 

 aurantiaca, margiiie nou striato, integro, coucolori, juventute in- 

 curvato et pilis minutis albis dcin deciduis tecto ; lamellis bre- 

 viter decurrentibus, remotis, parum angustis, insertis, [^aliide lu- 

 teis ; sporis oblougo-cllipsoideis, levibus, hyalinis, 7-8,5 * 5-6 ; sti- 

 pite cylindrico, aequali, apice glabro, basi albido-mycelioideo, pal- 

 lide luteo, cartilagineo, cavo, 2-3 cm. longo, plerumque circa 3 mm. 

 v. etiam usque 5 mni. crasso. 



Hah. gregaria v. subcaespitosa ad truucum muscosum Conifera- 

 rum in silva primaeva uda, i>ro[)e iSeattle, Washington, Amer. bor. 

 (W. A. MURRILL). 



12. Omphalia Earlei (I\IurrilI) Murr., Mycologia, 1916, p. 219, Ompha- 385 

 liua Earlei Murr., N. Amer. Fl. IX, p. 350 (1916).— Pileo tcnui, 

 submembrauaceo, e convexo expanso, 2-3 cm. lato ; superticie e 

 pallida flavescenti, e sericea subglabra, levi, margine concolori, nou 

 striato, juveutute couvoluto ; lamellis decurrentibus, angustis, re- 

 raotis, concoloribus, furcatis et fortiter iutervenosis ; stipite supra 

 leniter dilatato, albido, pulveruleuto v. pubesceuti, tirmo, 2-3 cm. 

 longo 1 mm. crasso. 



Hah. gregaria ad terram sub fruticibus, Herradura, (Juba, Amer. 

 bor. (F. S. Earle). 



13. Omphalia petasiformis Murrill, Mycologia 1916, p. 220, Omphalopsis 386 

 petasiformis Murrill, X. Amer. Fl. IX p. 316 (1916). — Pileo late 

 conoideo, umbone amplo promiueuti praedito, 2 cm. lato 1 cm. 

 alto ; superficie pure alba, glabra, miuute striata, umbone leniter 

 straraineo eolorato ; lamellis decurrentibus, distantibus, latis, te- 

 nuibus, ventricosis, pure albis ; stipite cyliudrico, aequali, levi, 

 glabro, pure albo, 3»cm. longo 2-3 ram. crasso. 



Hah. solitaria ad terram sub Filicibus, Morce's Gap, Jamaica, 1500 

 m. alt., Amer. bor. (W. A. et E. L. Murrill). 



14. Omphalia cremea (Murrill) Murr., Mycologia 1916, p. 219, Ompha- 387 

 lina cremea Murr., X. Amer. Fl. IX, p. 350 (1916). — Pileo hemi- 

 sphaerico, 2 cm. lato, 1 cm. alto ; superficie levi, glabra, cremoa, 

 raargine ochraceo, hygrophano, undulato, deflexo ; lamellis decur- 

 rentibus, remotis, arcuatis, crassiusculis, ochraceis ; sporis ovoideis 



v. late ellipsoideis, uno apice oblique apiculatis, levibus, hyalinis, 

 8,5«; 6; stipite medio leuiter iuflato, levi, glabro, cremeo, 4,5 cm. 

 circa lougo, 2-4 mm. crasso. 



