Hymenomycetese, Agaricinese, Leucosporae, Russula. 59 



RUSSULA Pers. — Syll. V, p. 453. 



1. Russuia compacta Prost in Peck BuU. N. Y. Mus. n. 2, pag. 14, 243 

 32 Rep., p. 32. — Pileo firmo, solido, albo, subinde rubro v. flavo- 

 lincto, demum rufo-ochraceo, ^etate rarius depresso; lamellis libe- 

 ris, rarius furcatis, candidis, tritis v, siccis brunnescentibus; stipite 

 solido, albo, demum rufo-ochraceo, levi; carne alba, deiu brunneo- 



!a; sporis subglobosis, sublevibus, 8-9 ^.. diara. 



Hab. io silvis apricis, Saodlake et Brewerton Amer. bor. — 

 l^"leus 7-12 cm. lat. ; stipes 16-24 mm. cr. ; totus fungus 5-10 

 cra. alt. 



2. Russula polonica Steinh. Anal. Agar. p. 18, t. V, f. 24. — Sub- 244 

 acris; pileo compacto, convexo, levi, viscido, brunneo; margine 

 pallidiore, striatulo ; carne alba, sub pellicula bruonescente; stipite 

 cylindrico, firmo, farcto, levi, luteo; lamellis aduatis, inaequalibus, 

 luteis, plorantibus, e guttis obscure brunneo-maculatis; sporis echi- 

 iiulatis, globuiosis v. globuloso-ellipticis, 7-8 ^. diam. v. 8-9^6-7. 



Hab. in pineto Kawenczyn Poloniae. — Pileus 4-6 cm. lat. ; 

 stipes 5-7 cm. long., l%-2 cm. crass. 



3. Russula brevipes Peck 43 Rep. p. 20, t. II, f. 5-8. — Pileo con- 245 

 vexo et umbilicato, dein infundibulari, sicco, glabro vel raargine 

 subvilloso, albo, subinde rufo-brunneo variegato; carne albida, sa- 

 pore dulci, demum subacri; laraellis tenuibus, confertis, adnatis v. 

 postice subrotundatis, albis; stipite brevissimo, solido, albido; spo- 



ris globulosis, verruculosis, 10-12 p.. diam. 



Hab. in sabulosis in silvis acerosis, Quogue Amer. bor. — Pi- 

 leus 7-12 cra. lat. ; stipes 12-20 mm. long. et cr. R. deliccB af- 

 finis. 



4. Russula fusca Quel. XV Suppl. p. 4, t. IX, f. 5. — Pileo con- 246 

 vexo, dein depresso cupulato, 6-8 cm. lat,, brunneo-ochraceo, cen- 

 tro obscuriore, raaculato, pellicula viscida, margine levi, dein breve 

 striato; carne compacta, albo-cremea, dulci, odora; stipite farcto, 

 rigido, glabro, lacteo; lamellis sinuatis, furcatis, basi venosis, ia- 

 cteis, dein creraeo-ochraceis ; sporis ellipsoideo-sphaericis, 9 /i.. diara., 

 aculeolatis, albo-creraeis. 



Uab, in silvis mixtis Jurse Vogesorum (Doct. Rault). — R, oli' 

 vascenfi et aluiacece affinis. 



5. Russula acris Steinh. Anal. Agar. p. 17, t. V, fig. 23. ~ Pileo 247 

 carnoso e convexo plano depressove saepe excentrico, glabro, levi, 

 rubro, margine pallidiore, exstrio; cuticula adnata; carne alba, ca- 



