Hymenomycetae, Agaricacese, Rhodosporse, Clitopilua. 205 



faTcto vel cavo, brunneo, basi abunde albo-tomentoso ; sporis sub- 

 globosis, angularibus, 1-nucleatis, 10-12 ^ 8-10. 



Hah. gregarie ad terram sub arboribus, Stow, Mass. U. S. A. 

 (S. Davis) — Ob gracilitatem ad gen. Leptoniam vergit sed lamel- 

 lis plus minusve decurrentibus ad boc genus adscribendus. Affinis 

 Gl. vili Gr. et Gl. suhvili Peck sed colore pilei etc. distinctus. In 

 sicco, pileus et stipes nigri et pilei margo sulcato-striatus. 



6. Clitopilus avellaneus Murrill, Mycologia 1917, p. 180, Pleuropus avel- 771 

 laneus Murrill X. Am. Fl. X p. 109 (1917). — Gregarius ; pileo sub- 

 tenui sed firmo, ex timbilicato subinfundibuliformi, regulari, 2,5-3,5 

 cm. lato, levi, giabro, subnitido, uniformiter avellaneo; carne sa- 

 pore (non odore) farinaceo; lamellis distincte decurrentibus, angustis, 

 arcuatis, subconfertis, ex albido-avellaneo rubellis, 7-9 * 5-6 ; sti- 

 pite subcarnoso, cortice cartilagineo, cavo, saepe incurvato, glabro, 

 non nitente, avellaneo, 3-5 cm. longo, 2-3 mm. cr. 



II<(h. ad terram cultam, Seattle, Wasliington, Amer. bor. 



7. Clitopjlus subcinereus Murrill, Mycologia 1917, p. 180, Pleuropus 772 

 suhcinereus Murrill, X. Am. Fl. X, j). 106. — Gregarius v. subcae- 

 spitosus, 2-3 cm. lato, sicco, levi, minute fibrilloso, uniformiter pal- 

 lide cinereo, margine integro, concolori, non striato, inflexo; carne 

 dulci ; lamellis longe decurrentibus, arcuatis, distantibus, ex albo 

 sordide rubris, acie integris et concoloribus ; sporis ellipsoideis, 

 angulosis, oblique apicuJatis, 1-guttatis, roseis, 8-10 * 5-7 ; stipite 

 saepe compresso, aequali, levi subglabro, concolori, 2,5-4 cm. longo, 



2-4 mm. cr. 



Hah. ad terram, Eedding Oonnecticut, Amer. bor. (F. S. Eable). 



8. Clitopilus magnisporus Murrill, Mycologia, 1917, p. 180, Pleuropus 773 

 magnisp. Murrill, X. Am. Fl. X, p. 107 (1917). — Caespitosus v. gre- 

 garius; pileo parvo. irregulari, e convexo depresso, 2 cm. lato, sicco, 

 subgiabro, non polito, inaequali, non striato, uniformiter pallide 

 avellaneo, margine concolori, irregulari, saepe lacero ; lamellis ad- 

 natis V. breviter decurrentibus, planis latiusculis et subdistantibus, 



ex albo salmoneis ; sporis majusculis, oblongo-ellipsoideis, nodulosis 

 vel subangulosis, subtruncatis, 1-guttulatis, roseis, 14-16 * 8-9; sti- 

 pite brevi, deorsum tenuato, levi, giabro, caruoso, 1 cm. longo, 

 2-4 mm. cr. 



Hah. ad terram, pr. Lake Placid Adirondack Moun., New York, 

 Amer. bor. 



9. Ciitopilus murinus Murrill, Mycologia, 1917, p. 180, Pleuropus mu- 774 

 rinus Murrill, X. Ara. Fl. X p. 106 (1917).-- Gregariiis; pileo parvo, 



