122 Thirty-eighth Report ok the State Museum. 



closely related to L. insulsus, but apparently distinct by its darker 

 color, broader, looser lamellae and zoneless pileus. It appears to be in- 

 termediate between that species and L. hysginus. 



Lactarms insulsus, Fr. 



Unsavory Lactarius. 

 Agaricus flexuostis, Seer. 



Pileus convex and umbilicate, then infundibuliform, glabrous, viscid, 

 more or less zonate, yellowish, the margin naked ; lamellae thin, close 

 adnate or decurrent, some of them forked at the base, whitish or pallid ; 

 stem equal or slightly tapering downward, stuffed or hollow, whitish or 

 yellowish, generally spotted ; spores .0003 to .00035 m -> rnilk white, 

 taste acrid. 



Pileus 2 to 4 in. broad, stem 1 to 2 in. long, 4 to 6 lines thick. 



Thin woods and open, grassy places. Greenbush and Sandlake. 

 July and August. 



Our plant has the pileus pale yellow or straw color, and sometimes 

 nearly white, but European forms have been described as having it 

 orange-yellow and brick-red. It is generally, though often obscurely, 

 zonate. The zones are ordinarily more distinct near the margin, where 

 they are occasionally very narrow and close. The milk in the Green- 

 bush specimens had a thin, somewhat watery appearance. Authors dif- 

 fer in their estimate ol its qualities, some affirming that it is edible, 

 others that it is poisonous. It is classed as edible in the Curtis Cata- 

 logue, and Cordier says that it appears to be edible. 



Lactarius cinereus, Peck. 

 Cinereous Lactarius. 



Pileus thin, nearly plane and umbilicate or subinfundibuliform, 

 glabrous, viscid, pale gray or cinereous, the disk sometimes darker col- 

 ored ; lamellae narrow, close, white ; stem equal or slightly tapering up- 

 ward, stuffed, sometimes tomentose at the base, colored like the pileus ; 

 spores white, .00028 to .0003 in.; milk white, taste acrid. 



Pileus 1 to 2 in. broad, stem 1 to 3 in. 'long, 3 to 4 lines thick. 



Woods. Sandlake and Greig. August and September. 



The species is evidently closely allied to L. vietus Fr., but I 

 have never seen the pileus umbonate or expallent, nor the milk become 

 gray, characters attributed to that species. In our plant the viscid pel- 

 licle is separable. In shape and size it resembles L. trivialis v. gracilis, 

 but its paler usually umbilicate pileus, concolorous stem and white 

 spores separate it. Mr. Morgan finds, in Vermont, a somewhat larger 

 form with the pileus sometimes zonate. 



** Pileus not viscid. A 

 f Pileus minutely tomentose or squamulose 



Lactarius griseus, Peck. 

 Gray Lactarius. 



Pileus thin, nearly plane, broadly umbilicate or centrally depressed, 

 sometimes infundibuliform, generally with a small umbo or papilla, 



