HynaeuomycetiB, AgaricacejB, Lencosporse, Clitocvbe. 47 



Hab. iu solo humoso, La Porte Indiana (L. P>. Clove). — Caespites 

 30 cm. lati. 



2. Clltocybe coloradensis Murrin, N. Am. Fl. IX p. 210 (1916). — Gre- i67 

 ^jiria ; pileo lato, crasso, carnoso e convexo plano v. leviter <le- 

 presso, 10-15 cm. lat., sicco, levi, glabro, avellaneo, margine con- 

 colore, integro, aetate flssili 5 carne alba, odore et sapore farinaceis ; 

 lamellis aduatis, fortiter decurrentibus, sat confertis, latis, dilutc 

 roseo-cinnamomeis, demum brunneolis ; sporis anguste ellipsoideis, 

 levibus, liyalinis 6,5-8,5 * 3,5-5, stipite subaequali, levi, glabro, 

 subconcolore, solido v. farcto, demum cavo, 10 cm. longo, 1-2 cm. cr. 



Hah. ad terrain sub Salicibus pr. Tolland Colorado, Am. l»or. 

 (L. O. OVERHOLT8). 



3. ClltOCybe Overholtsii Murrill, if. Am. Pl. IX (1916) p. 403. — Gre- 168 

 garia ; pileo e convexo expanso, 6-15 cm. lato, sic(!0, levi, glabro 



V. rarius albo, demum griseo-lanuginoso, margiue tenui, integro v. 

 undulato, albo ; carne alba, sapore et odore ingratis ; lamellis a<l- 

 natis V. leviter decurrentibus, angustis, valde confertis, albis v. 

 flavidis ; sporis ellipsoideis, levibus, hyaliuis, 5-6 * 3-3,5 ; stipite 

 levi, glabro, albo, solido, rarius cavo, basi dilatato albo-byssiuo, 

 7-10 cm. longo, 1-2 cm. lato. 



Hab. ad terram in silvis couiferis pr. Tollaud Colorado, alt. 2700 

 m. Am. bor. (L. O. Overholts). 



4. Clltocybe odora (BuU.). — Syll. V p. 153. — • var. subappennlna i69 

 Voglino, iu Bull. Soc. bot. ital, 1894 p. 121. — Pileus carnosus, 

 planiusculus, sordide-viridis, 12 cm. latus ; lamellae aduatae, e luteae 

 pallide coerulesceutes, basidia cyliudrico-clavata, 4-sterigmica, 25- 



30 * 8 ; sporae ellipsoideae vix aculeatae, virescentes, 10 * 6 ; stipes 

 elongatus, giaber, basi incrassatus, meduUatus, 8-10 cm, lougus 

 1 cm. crassus. 



Hab. iu silvis jirope Rouco, Appeunino ligure, Italia. — A typo 

 recedit magnitudine coloreque pilei ac stipitis, basidiis longioribus 

 sporis etiam majoribus et semper subviridibus. 



5. Clltocybe avellaneo-alba Murrill, Mycologia, 1913, p. 207 (corr. arel- 170 

 lanelalba). — Pileo lato, tenui, leniter umbonato, deiu infuudibu- 

 liformi, usque 10 cm. lato v. ultra ; superficie hygrophana, e avel- 

 lauea obscure fuligiuea, subzonata, iunato-radiato-fibrillosa, mar- 

 gine integro^ concolori ; contextu tenui, albo, sapore grato; lamellis 

 breviter decurrentibus, subconfertis et angustis, albis ; sporis gio- 

 bosis, levibus, hyaliuis, 7-8 * 5 ; stipite supra acutato basi albido- 

 mycelioideo, avellaneo, e minute fibrilloso giabro, solido v. cavo, 



