76 Wisconsin Academy of Sciences, Arts, and Letters. 
Habitat. Largest specimen from ground in hilly oak woods. 
Locality. Star Lake, Blue Mounds, Madison (Eagle Heights). 
Edibility. When fresh it is very good. (McL) 
B. amoena. Quel. 
Pileus: convex then depressed ; 4-6 cm.; smooth or pulverulent; 
atroviolaceus; margin not striate; taste mild, odor fruity; 
flesh white then cream. 
Gills: white then cream; reddish at edge when dry; subcrowded, 
interveined. 
Stem: rigid, tapering upward, 4-6 cm. long, 1-1% cm. thick; 
powered, purple red. August. 
Spores: subglobose, scarcely echinulate. 6x7 u. 
Characters f Pileus: atroviolaceus, powdered, margin even, 
on which ! Gills: subcrowded, white then yellowish; edge 
identification , tinged with red. 
is based. Stipe: larger toward top; purple red. 
f 
Characters | 
of dried -{ 
specimens. | 
L 
Pileus: atroviolaceus; depressed at center, 
wrinkled. 
Gills: adnate, ochery with reddish margin. 
Stem: larger above, ochery with rosy tint. 
Odor, pleasant. 
Habitat. On ground in moist woods. 
Locality. Blue Mounds. 
Edibility. ? 
B. alropurpurea Pk, 
Pileus: convex, at first globose, finally slightly depressed, 
smooth; dark purple, livid, or deep purple red, disk often 
blackish; margin, even at first slightly striate when old. 
6-12 cm.; flesh, white, blackish where broken; odor foetid 
when drying. Taste, mild or slightly peppery. 
Gills: free, subdistant, rounded anteriorly, interveined, rarely 
forked, white to cream color, sometimes with rosy tint. 
Stem: smooth, white, tapering upward slightly, 8-10 cm. long, 
2 cm. thick, brown where rubbed, fleshy, white, sometimes 
rosy. July, Aug., Sept., Oct. 
