LACTAEITJS. 19 



Lactarius (Piper.) scoticus. B. & Br. 



Pallid-white. Pileus 1-2 in. across, flesh, about 1 line 

 thiok, firm ; soon becoming almost plane, adpressedly tomen- 

 tose, then smooth, except the involute margin ; gills -very 

 slightly decurrent, thin, about 1 line broad, scarcely 

 branched ; stem about 1 in. long, 3 lines thick, slightly 

 curved, smooth, tinged flesh-colour, solid; milk white, 

 unchangeable, very acrid ; spores subglobose, with an 

 apiculus, minutely echinulate, 7-8 /a ; smell pungent. 



Lactarius scoticus, B. & Br., Ann. Nat. Hist., no. 1783 ; 

 Cke., Hdbk., p. 311 ; Cke., Illustr., pi. 1004b. 



Among moss. 



Distinguished from L. involutus, the only other species 

 with which it can be confounded, by the much broader gills, 

 larger spores, and tinted stem. 



Lactarius (Piper.) involutus. Soppitt. 



Every part white or with a very slight ochraceous tinge. 

 Pileus 1-2 in. across, flesh about 1| line thick, equal up to 

 the margin, compact, rigid; convex soon becoming plane or 

 slightly depressed, margin strongly and persistently invo- 

 lute, extreme edge minutely silky, remainder even and 

 glabrous ; gills very slightly decurrent, densely crowded, 

 not |- a line broad, sometimes forked ; stem §-1 in. long, 

 2-8 lines thick, equal, or slightly thickened at the base, 

 glabrous, even, solid, very firm ; milk white, unchangeable, 

 not scanty, very hot; spores obliquely elliptical, smooth, 

 5 X 3 /A. 



Lactarius involutus, Soppitt, Cke., Hdbk., p. 380 ; Cke., 

 Illustr., pi. 1194. 



On the ground in woods. 



Very firm and rigid, resembling in habit L. vellereus in 

 miniature. Most nearly allied to L. scoticus, but known at 

 once by the exceedingly narrow, densely crowded gills and 

 the smooth, elliptical spores, 



II. DAPETES. 



Lactarius (Dap.) deliciosus. Pr. 

 Every part becoming stained with dingy green "when 

 bruised or old. Every part abounding with a saiFron-red 



