CLASSIFICATION' OF AGARICS 



Section II. Pileua glabrous, dry} taste acrid. 



66. Lactarius piperatus l'i. (Edible 



Syst. .My... L821. 



Ulustrat ions ; Pries, Sverig. Svamp., PI. l'7. 

 Cooke, ill.. PL 979. 

 Patouillard, Tab. Analyt, No. I L9. 

 Michael, Fiihrer f. Pilzfreunde, Vol. I. No. -".7. 

 Ricken, Blatterpilze, PL LO, Pig. ::. 

 Marshall, Mushroom Book, PL 36, p. 92, L905. 

 Atkinson. Mushrooms, Pig. L19, i>. L20, L900. 

 Bard, Mushrooms, Pig. L28, p. L66, L908. 

 Whit.-. Conn. Geol. & Nat. Bist. Surv., Bull. 3, PL 9, op. p 

 Plate IX of this Report. 



PILEUS ll- cm. broad, firm, convex-umbilicate, then expanded- 

 depressed, a1 length infundibuliform, dry, glabrous, azonate, whiU , 

 even, margin ;it firsl involute and naked, at Length spreading or 

 elevated. FLESH white, compact, thick. GILLS attenuate-sub- 

 decurrent, narrow, very crowded, dichotomously forked, white then 

 cream-yellow. STEM 2-6 cm. Long, L-2 cm. thick, equal or tapering 

 downward, dry, firm, solid, glabrous or pruinose, white. SPORES 

 subglobose, nearly smooth, 6-7.5 micr., white. .MILK" white, unchang- 

 ing, very acrid, copious. Edible. 



Gregarious or scattered. On the ground in frondose woods of 

 maple, oak, etc. 



Throughout the Southern Peninsula, less frequent northward. 

 July-September. Common. 



This lias the st intensely biting taste of all Lactarii. The 



acridity disappears in cooking and it can then be eaten with impun- 

 ity. .Mel h ,ji ne advises its use in gravy. This ppecies [g distinguished 



from its near relatives by its naked margin and \ery crowded and 

 dichotomously forked uills which become dingj pale yellowish in 



age. The photograph Of Marshall and the figure Of Michael <din\\ 



extreme forms if they refer to this plant. /.. pergamemts Pr. is said 

 to differ in its longer and stuffed stem, and the pileua Is thinner 

 wrinkled, and is not umbilicate a1 first; some consider it i»ul 

 variety. A form occurred near Marquette with merely close frills, 

 and in which t he milk changed to pale sulphur-yellow; it ha< 

 pleasant odor and is var. fra grans Burl. (See Torr Bo Clnb Bull. 

 1 1. p. L'n. 1908.) 



