5G THE CHK '■ " ACADEMY OF SCIENCES 



Spores subglobose, 7.5 to 9 m. Pileus 5 to 12.5 cm. broad; 

 - i 2.5 to 5 cm. long. 12 to 20 mm. thick. 



Dry places, especially under pine trees. (Peck.) 

 Calumet Heights. Millers and Glencoe. August and Septem- 

 ber. At Millers it occurs in mixed woods, both upon dry 

 ground and in moist swamp bord< 



Lactarius theiogalus Fr. 



Pileus thin, convex then depressed, at length infundibuliform. 

 even, smooth, viscid, tawny-reddish, shining when dry. zone] --. 

 flesh whitish, milk white then changing .lphur-yellow. taste 



slowly acrid. 



Lamellae adnate or decurrent. close, pallid then reddish. 



Stem stuffed then hollow, equal, even, concolorous with the 

 pile 



ores yellowish, subglobi " to 9 /j-. Pil< : > 12.5 cm 



broad: 2.5 to 7.5 cm. Long, 16 to 18 mm. thick. 



Open wo n Ellyn. August. Pi ; • 7.1 ad; 



stem about 6 cm. long. The pileus chances from reddish-tawny 

 to ochi vny when parting with its moisture. 



Lactarius fuliginosus Fr. 



Pileus firm, becoming - mvex, plane or slightly d 



even, dry, zoneless, dingy-cinereous or buff-gray, - if 



covered with a dingy pruinosity, the margin sometimes wavy or 

 loted. 



Lamellae adnab subdecurrent, subdistant, whitish then 



yellowish, becoming stained with pink-red or salmon color whe 

 wounded. 



Stem equal or slightly tapering downwards, firm, stuffed. 

 colored like the pileus; spores globose, yellowish. 7."> to 10 /-. : 

 milk white. I ardily and sometimes slightly acrid. 



Pileus 2.5 to cm. broad; stem 2.5 to 5 cm. long, to 12 mm. 

 thick. 



Grassy places in open woods, Riverside. July. 



Lactarius hygrophoroides B. & C. 



Pileus convex, at length plane, pulverulent, yellowish-red. 



Lamellae very distant, decurrent, yellowish, the interstii - 

 rug^ 



Stem not 2.5 cm. high. 8 mm. thick, of the same color as the 

 pileus. Pileus 3.5 cm. across. This species has somewhat the 

 habit of L. vole))' 



Open woods. Glen Ellyn. August. Pileus dry. r 

 reticulated, at length subinfundibuliform, orange-tawny; lamellae 

 creamy-white, some of them forked; stem smooth, tapering down- 

 wards: milk white, mild, unchangeable. Spores J" - 3lightly 

 rough, 10 //.. 



