MICHIGAN ACADEMY OP SCIENCE. 
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ing as a result of the einerescent flesh. The pellicle is adnate, scarcely 
separable except on the margin, vanishing on the disk and sometimes 
ochraceus-spotted where the i>el licle has disappeared. It is firm and 
the margin is not striate or very slightly so in age. These characters 
ally it to the Rigidae. It is slightly viscid. Flesh is firm, white, tinged 
ashy in age, becoming dark cinereous on the stem where bruised. The 
taste is mild and when fresh was taken for R. lepida. Spores creamy- 
white in mass. It is smaller, apparently, at least in our specimens, 
than the type. It is possible that it is a var. of R. dep aliens Fr.. but 
that species is not well understood even in Europe. 
On the ground in beech and white pine woods. New Richmond, Alle- 
gan Co., Sept. Apparently rare. 
The scarlet or vermillion pileus, einerescent flesh, mild taste, creamy- 
white spores and firm consistancy are the distinguishing marks. The 
margin of the pileus is straight at first and the gills are broadest in 
front. 
Russula atropurpuiiea Kromb. (non Pk.) sense of Maire. 
Pileus 5-12 cm. broad, medium to large size, convex then plane, soon 
depressed, rather firm, viscid, pellicle adnate and scarcely separable on 
the margin only, scarlet to dark crimson when fresh and young, 'becom- 
ing darker to purplish when mature or on drying , pruinose, disk often 
darker sometimes livid olivac-eus-purple, sometimes yellow-spotted, mar- 
gin even or only slightly striatulate in age. Flesii dark red under the 
pellicle, white elsewhere, not changing to ashy. Gills white , dingy in 
age, rather narrow, close behind, subdistant in front, adnexed, few short, 
interspaces venose. Stem 4.7 cm. long, 1-3 cm. thick, subequal, medium 
stout, white with a dull lustre, pruinose, even, spongy-stuffed, apex lioc- 
cose-punctuate. Spores white in mass, oval, 8-10 micr. diam., strongly 
echinulate, nucleate, apiculus long and stout. Taste ( icrid. Odor none. 
Frequent in pine and beech woods. New Richmond, Allegan Co.. 
Sept. Distinguished among the “ruber” group by the mode of color 
change while maturing, the white gills, spores and stem, and the acrid 
taste. It belongs to the Rigidae. In wet weather the cap is viscid, on 
drying its surface is distinctly pruinose. Except for the colors of the 
pileus it agrees with R. ruber Fr. in sense of Pk. It differs from R. 
Queletii which is a very variable species according to European myco- 
logists, in its larger size and the lack of the deep violet color on pileus 
and stem. Maire refers the figures of Cooke’s plates 1025 and 1087 of 
R. rubra to R. atropurpurea Kromb.. and these figures illustrate our 
plants fairly well except for the color changes. 
Russula barlae. Quel. 
Pileus 4-8 cm. broad, thin, medium size, ovate al first with straight 
margin, then convex-plane or depressed, very viscid, fragile, pale rosi/- 
fiesh-color tinged with yellowy, sometimes peach-color, sometimes dull 
citron-yellow, varying in color from young to old, pellicle continuous 
and entirely separable, margin becoming strongly tuberculate-striate. 
Flesh thin, white, not changing color, soft. Gills bright ochraceous- 
yellow (flavus, Sacc.t, white at first, rather narrow, broadest in front, 
narrow and adnexed behind, subdistant at maturity, dusted by the 
