LACTARIUS. 7 



Lactarius later 'itioroseus, Karsten, Mecld. ad Soc. pro Fauna 

 et Flora Fenn., 1888-91, p. 15, and description emended, I.e., 

 p. 20. 



In woods. 



Lactarius (Piper.) turpis. Fr. 



Pilous 3-7 in. across, fleshy, rigid, convex then expanded, 

 disciform or umbilicate then depressed, innately downy at 

 the margin only or all over, covered with a tenacious olive 

 gluten, zoneless, sometimes with a tawny tinge near the 

 margin, at length more or less umber ; margin for a long 

 time involute, downy at first, yellowish-olive, then more or 

 less expanded, at length often densely rivulosely sulcate; 

 flesh compact, white, unchangeable ; gills adnato-decurrent, 

 thin, 1-2 lines broad, much crowded, forked, pale straw- 

 colour, spotted with brown when bruised; stem 1^-3 in. 

 long, i-1 in. thick, even or rough and unequal, but not 

 spotted, viscid or dry, pallid or dark olive, apex pale whitish- 

 ochre, solid, hard ; spores minutely spinulose, 6-8 /x diameter. 



Lactarius turpis, Fries, Epicr., p. 335 ; Cke., Hdbk., p. 306 ; 

 Cke., Illustr., pi. 987. 



In woods. 



M. hlennius somewhat resembles the present species, but 

 differs in the concentrically spotted pileus; stuffed then 

 hollow stem, and white gills. 



Gregarious. Distinguished by the olive tone of pileus 

 and stem. Fries says that this species sometimes measures 

 1 foot across ; flesh compact and rigid. The habit is almost 

 that of Paxillus involutus. Stem sometimes hollow, and the 

 pileus sometimes slightly zoned. 



Var. plumbeus, Cke., Hdbk., p. 306. 



Agaricus ^iumheus. Bull., Champ., t. 282, and 559, f 2. 



Agaricus Listeri, Sow., t. 245, 



Pileus compact, convex, at length infundibuliform, dry, 

 unpolished, dingy, then blackish-brown ; stem solid, equal, 

 blunt; gills crowded, white then yellowish; milk acrid, 

 white, unchangeable. 



In woods. 



Lactarius (Piper.) controversus. Pers. 

 Pileus 3-5 in. across, fleshy, firm, rigid, at first convex 



