4 FUNGUS-FLOEA. 



I. PIPERITES. 



* Tricholomoidei. 



Lactarius (Piper.) scrobiculatus. Scop. 



Pileus 4^8 in. across, flesh thick but not firm, whitish, 

 usually hecoming yellowish when broken; at first convex 

 and umhilicate, then infundibuliform, obtuse, very viscid 

 when moist, with agglutinated down, yellow, becoming pale 

 in sunny places, usually without zones, but sometimes very 

 conspicuously zoned ; margin incurved, fringed with shaggy 

 fibrils, expanding with age and becoming almost naked; 

 gills slightly decurrent, thia, crowded, whitish; stem stout, 

 often stufied when young, but becoming distinctly hollow, 

 1J-2| in. long, up to 1 in. and more thick, equal, yellow, 

 with large roundish depressions, glabrous, rather viscid, base 

 downy; milk copious, at first white, becoming sulphur- 

 yellow when exposed to the air, very acrid ; spores sub- 

 globose, very minutely echinulate, 7-8 /*,. 



Lactarius scrobiculatus. Fries, Epicr., p. 334; Cke., Hdbk., 

 p. 305 ; Cke., Illustr., pi. 971. 



Agaricus scrobiculatus, Scopoli. 



In damp woods. 



Distinguished by the yellow colour of pileus and stem, and 

 by the white milk becoming sulphur-colour when exposed 

 to the air. Fries says that the pileus is sometimes 12 in. 

 across. When growing in very wet places the flesh some- 

 times becomes bluish-purple when broken. Very acrid, 

 smell not unpleasant. 



Lactarius (Piper.) intermedius. Krombh. 



Pileus 4-6 in. across, fleshy, broadly infundibuliform, 

 viscid, smooth, ochraceous, margin involute, tomentose then 

 smooth; gills broad lurid- whitish, somewhat decurrent, 

 entire ; stem 1 J-2 in. long, up to 1 in. thick, yellowish, 

 covered with spot-like depressions, solid, or sometimes 

 hollow ; milk white then yellowish, rather acrid, 



Lactarius intermedius, Krombholz, t. 58, figs. 11-13; Cke., 

 Hdbk., p. 305. 



In woods. 



