Hymenomycetne, Ayaricaceae, Leucosporre, Russula. 33 



albo, 2,5-5 cm. longo, 6-10 mm. crasso; sporis luteo-ochraceis, 

 subglobosis, rugosis 7,5-10 [t. diam. 



Hab. in silvis inter truncos Coniferarum, Amer. bor. 



11. Russula integra (L ) Fr. — Syll. V, p. 475. — var. rubro-tincta l28 

 Peck Rep. of the State Bot. 1900, p. 164. — Stipite rubescenti; 

 pileo intense rubro; lamellis pulvere lutea (spone) conspersis 



Hab. ad terram prope Placid Lake, Amer. bor. (Miss N. L. 

 Marshall et Miss H. C. Andersont). 



12. Russula delica Fr. — Syll. V. p. 455. — var. glaucophylla Quel. 129 

 Assoc. franc. p. 1'avanc. scienc. 1901, partie II, 1902, p. 495. — 

 Differt a typo lamellis glaucis, sapore acri piperato. 



Hdb. ad terram in G-allia. — Sec. Qui'1. huc spectat Lactarius 

 chloroides et L. Listeri Krombh. t. 56, f. 8-9 et 56, f. 1-4. 



13. Russula purpureo-lilacina Fayod in Ann. R. Acc. d'Agr. Torino 130 

 1893, p 87. — Pileo denso subtenaci, obscure purpureo subvelu- 

 tino, primo hemisphgerico, margine sinuato, dein pulvinato, 4,3-6 

 cm. lato, ceutro leniter depresso minute granulato-diffracto, mar- 

 gine levi; lamellis integris, postice attenuatis, antice rotundatis 

 semper flavidis; stipite .equali farcto roseo-lilacino, prsecipue primo 

 lilacino-pruinoso ; basidiis 36 « 6 emergentibus ; sporis sphsericis 

 verrucosis, 6 \x. diam 



Hab. catervatim v. solitaria ad terram in castanetis pinetisque 

 in alpibus Pedemontii et Ligurias orient. — Prsecipue stipite basi 

 persicina dignoscenda species. 



14. Russula flaviceps Peck Rep of the State Bot. 1899, pag. 843, 131 

 tab. C, fig. 6-10. — Pileo convexo vel centro depresso, glabro, 

 viscido, initio margine nequali, dein subtuberculoso-striato, pallide 

 luteo 5-10 cm. lato; lamellis stipatis, constrictis, acie subrotunda- 

 tis, pallide luteolis, dein luteis; stipite sequali, farcto dein spon- 

 gioso, albo, 4-6,5 cm. longo, 8-16 mm. crasso; sporis luteis, sub- 

 globosis 7,5 (i. diam. 



Hab. in silvis Claryville, Amer. bor. 



15. Russula Earlei Peck in Rep. of the State Botau. 1902, p. 25, 132 

 t. N, fig. 5-10. — Pileo carnoso, firmo, hemisplnerico, dein late 

 couvexo vel fere plano, interdum centro depresso, glabro, viscido, 

 margine sequali vel interdum rimoso, stramineo, dein maturitate 

 pallido, 3,5-6 cm. lato; carne albida vel luteola, saporo grato; la- 

 mellis tenuibus, distantibus, adnatis, initio albidis dein luteolis; 

 stipite brevi, firmo, aequali, solido dein spongioso, albo, 2,5-3,5 cm. 

 longo, 6-10 mm. crasso; sporis albis, subglobosis, 5-6 \i. diam. 



