i LASSI FIXATION OP A.GARK 101 



This is (Hie of our commonest Lactarii during some seasons, 

 usually among the tirst to appear, especialrj in the frondose regiouH. 

 it is found in pine, hemlock, mixed, or oak and maple wooda 

 throughout the suite. The northern form varies Bomewhat and 

 needs further study: ;i variety also occurs is the aorth whose milk 

 t urns son I id green after exposure to the air, with broader aud more 

 distant j;'ills and a spotted stem. This may be Called \;ir. i iriililar- 



tia var. now Peck lias described var. maculatus with zonate pileua 

 and spol ted stem, and var. gracilis which is quite a small and slender 



plant. The c mon form is a rather large plant; the pileua is 



sometimes up' to 18 cm. broad with a dark Livid or Lurid, indescrib- 

 able color, and white <>r creamy-yellowish, acrid milk. When < » I • I or 

 laded the {dleus becomes much paler and is often pale leather colored 

 or incarnate-tan. The flesh of the pileus though rigid is rather 

 fragile and the stem is firm bu1 soon hollow or cavernous. 



74. Lactarius uvidus Fr. (Poisonous) 



Syst. Myc, 1821. 



Illustrations: Cooke. 111.. PI. 991. 



Gillet, Champignons de France, No. :'>'•»'.». 

 Ricken, Blatterpilze, PI. 11. Pig. 1. 

 Patonillaid. Tab. Analyt.. No. 209. 

 Hard, Mushrooms, Fig. 11!. \>. 180, 1908. 



IMLET'S :: 7 cm. broad, convex then plane and depressed, rather 

 firm, often snbumbonate, viscid, obscurely or not at ;ill zonate, some- 

 times spotted, cmereus with Ulac tinge or livid brownish-gray, mar- 

 gin ;it first involute and subpruinose, thin and spreading. FLE8B 

 whitish, becoming lilac <>/■ violet when <nt, usually rather sofl when 

 moist. GILLS adnate-subdecurrent, thin, close, rather aarrow, 

 white <>r yellowish, quickly becom/mg violet or lilac when bruised. 

 STEM 4-7 cm. Ion-. 6-12 mm. thick, subequal, glabrous, aneven- 

 undulate, viscid, white or dingy yellowish, stuffed then hollow or 

 cavernous. SPORES subglobose or broadly elliptical, 8-10 mi 

 echinulate, white. MILE white, changing quickly when in contact 

 with tin flesh i*> lilac-violet, bitterish acrid. 



Gregarious. On the ground in Low, mossy places in Bwan 

 thickets, etc. Ii;i\ View, Houghton, Marquette. Angus 9 

 Infrequent. 



Known by the flesh changing to lilac or violet w hen cut or bruised 

 It is found in rather wet places, sometimes attached to moss and 



