5(5 FUNGUS-FLOKA. 



are rarely forked, and in this respect might be in the section 

 Fragiles ; in many other points it agrees with the Compactae. 

 .(Fries.) 



Russula heterophylla. Fr. 



MihI. Flesh thick, firm, white; convex then plane; 

 •usually becoming depressed, quite even and polished, pellicle 

 very thin ; margin thin, often more or less incurved, even or 

 densely but slightly striate ; colour variable, greenish, tlie 

 disc becoming ochraceous, yellowish brown, &c. ; gills almo.^t 

 free, very narrow, rarely 3 line broad, very much crowded, 

 forked and with many shorter ones, white ; stem about 1 J it. 

 long, up to 1 in. thick, nearly equal, solid, firm, white; 

 spores subglobose, echinulate, 7-8 /x diameter; no projecting 

 cystidia. 



Biissula Jieteroj^h/Ua, Fries, Epicr., p. 352 ; Cke., Hdbk., 

 p. 328; Cke., Illustr., pi. 1044 and 1045. 



In woods, &c. 



A very distinct species, easih' recognised by the even 

 pileus, and ver^^ narrow, closely-crowded white gills. 

 B. cyanoxantlia differs in the broad gills furnished with 

 numerous projecting cystidia. 



Colour very variable. Taste always mild, as in Bussula 

 ■cyanoxantlia, from which the present differs in its smaller 

 size, thinner pileus, not rugulose, never reddish or purplish, 

 the thin pellicle closely adnate, stem firm, solid, gills thin, 

 ■exceedingly narrow, very much crowded, shining white, 

 mixed with many shorter and forked ones. Among several 

 forms the following is readily distinguished. (Fries.) 



Var. galochroa, Fr., Mon., ii. p. 195 ; Bussula galocJiroa, 



€ke., Hdbk., p. 328; Cke., Illustr., pi. 1089. 



Stem solid, firm, 1-2 in. long, | in. thick, never tinged 

 wdth red. Pileus almost plane, viscid in damp weather, 

 usually dry, greenish-white, even, but often with scattered 

 white floccose spots. Gills very thin, more or less forked 

 and unequal ; spores 5-6 /x. 



Especially in heathy birch woods. 



Russula azurea. Bres. 

 Mild. Pileus about 2 in. across, convex, then expanded, 

 and more or less depressed, dry, pale glaucous-green, or 



