20S lIyin(Miniiiycet;\\ AgarioacciP, Kliodospora'-, Leptoiiia. 



10 1LV'> * ^* ; «tipite sat crasso, aeqnali, cavo, levi, glabro e iiinrino 

 plinnbeo, qninn pileo saturatiorc, 4") cin, longo, 5-6 mm. cr. 



Hah. ad ligna pntrida inter foliji, Bar Harbor, Maine, Amer. bor. 

 (V. S. AViiiTK). 

 .?. Leptonla paludosa Mnrnil nom. nov., Mycologia 1917, p. 180, Lt^p- 781 

 tonicUn Earlci INInrrill, X. Ani. Fl. X p. 90 (1917) nec Murrill 1911.— 

 Solitaria; pileo lato, tenello, (lemniu depresso ; 4 cm. lato, pal- 

 lide griseo-brnnneo, disco sqnamuloso, margiue concolori, aetate 

 invobito, non striato ; lamellis adnexis, insertis, subconfertis, sub- 

 ventricosis, sat angustis, ex albo pallide rubellis, acie integris et 

 concoloribus ; sporis late ellipsoideis, irregularibus, angnlosis, obli- 

 que apiculatis, 1-guttatis, roseis, 12-14 * 8-10; stipite aeqnali, cras- 

 siusculo, subconcolori, glabro, cavo, basi albo-byssino, 8 cm. longo, 

 4 min. cr. 



Hah. ad terram humosam subpaUistrem, West Park Kew York, 

 Amer. bor. (F. S. Earle). 



4. Leptonla nigra Murrill, Mycologia, 1917, p. 180, Leptoniella nigra 782 

 Mnrr., X. Am. FI. X p. 94 (1917).— Gregaria ; pileo flrmulo, con- 

 vexo, non omnino expanso subumbilicato, 3-4 cm. lato, nigro, levi, 

 glabro, polito, deuiqne interdum lacerato, margine concolori, in- 

 curvo ; lamellis subdistantibus, latis, adnatis, griseo-murinis dein 

 salmoneis, acie integris et concoloribus ; sporis ellipsoideis, angu- 

 losis, oblique apiculatis, 1-guttatis, roseis, 12-14 * 7-9 ; stipite cras- 

 siusculo, cartilagiueo, cavo, aequali v. siirsum paullo atteuuato, 

 levi, glabro, plumbeo, basi albido, 4-6 cm. lougo, 4-6 mm. cr. 



Hah. ad terram muscosam ad rivulura in silvis mixtis, La Honda 

 pr. Palo Alto California, Amer. bor. 



5. Leptonia rosea Longyear, in III liep. Micbig. Acad. Sciences, 1902, 783 

 p. 59, t. I, fig. 5. — Pileo 3-3,5 cm. lato, carnoso-tenui, convexo, 

 obtuso et ad discum depresso, non striato, subroseo sed fibrillis 

 brunneis asperso, disco obscuriore ; lamellis adnatis, 6 mm. latis, 

 albidis dein carneolis, non confertis ; stipite 7-8 cm. longo, exili, 

 apice basique sensim paullo incrassato, roseolo, basi mycelio albo 

 subcartilagineoadpresso vestito; sporis angulosis, 10-12 * 7-8 carneis. 



Hah. in collibus arenosis locis combustis, Kent County, Micbi- 

 gan, Amer. bor. 

 0. Leptonia Whiteae Murrill, Mycologia, 1917, p. 180, Leptoniella Wki- 784 

 teae Murrill, X". Amer. Fl. X, p. 88 (1917). — Solitaria ; pileo con- 

 vexo, centro depreaso, 3 cm. lato, hygropbano, flavido-brunneo, 

 circa centrum conspicue striato, squamoso, margine concolori, inae- 



