LACTAEIUS. 7 



Lactariug lateritioroseus, Karsten, Medd. ad Soc. pro Faima 

 et Flora Penn., 1888-91, p. 15, and description emended, Lc, 

 p. 20. 



In woods. 



Lactarius (Piper.) turpis. Fr. 



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

 disciform or nmbilicate then depressed, innately downy at 

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

 gluten, zoneless, sometimes with a tavsray 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 snlcate; 

 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, ^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-S /i diameter. 



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

 Cke., niustr., pi. 987. 



In woods. 



iJ. blennius 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. pltunbeus, Cke., Hdbk., p. 306. 



Agariaus plumheus. 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. Pets. 

 Pileus 3-6 ia. across, fleshy, firm, rigid, at first convex 



