822 Wisconsin Academy of Sciences, Arts, and Letters. 
Cortinarius corrugatus subsquamosus Pk. The reddish spots and 
corrugations on the pileus are the identifying marks. On the ground 
in mixed woods, Fluno’s Bluff, July, Mauston. 
Cortinarius lilaciims Pk. The stipe is solid and bulbous, much 
more slender than that of C. violaceus. The whole’ plant is lilac-col¬ 
ored but fades in drying. On bogs, Stewart’s woods, July, Mauston; 
Alaska lake, August, Alaska. 
Cortinarius purpurascens Fr. The flesh of the pileus and stipe 
turn deep purple when bruised. Clustered in dry places, Blahnik’s 
woods, September, Algoma. 
Cortinarius sebaceus Fr. The pileus is whitish to alutaceous, the 
remainder of the plant white throughout, the gills remaining white 
even after t*he salmon-rust-colored spores have traced a ring on the 
stipe. On the ground under birch, Ihlenfeld’s grove, September, Al¬ 
goma. 
Cortinarius violaceus Fr. Lanzi, Fung. Mang. PL 61, fig. 1. and 
Schaeff., leones, PI. 3, illustrate this common species. Among grass in 
open places, Detjen’s woods, September, Algoma. 
Paxillus corrugatus Atk. Easily identified by Atkinson’s figure. 
Mushrooms, PL J+8, 1900. The spores are yellowish-ochre. On decayed 
logs, Schmeiling’s woods, August, Algoma. Rare. 
Paxillus atrotomentosus Fr. Under white cedar along banks of 
.Lake Michigan, Braemer’s flats, August, Algoma. 
Paxillus involutus (Batsch.) Fr. The pileus is frequently 15 cm. 
broad. On the ground among needles under dense growth of young 
coniferous trees, Schmeiling’s woods. A very much smaller and more 
slender variety showing rusty-purple stains on the stipe and pileus was 
found on logs, Krohn’s Lake, September, Algoma. 
Bolbitius fragilis Fr. The gills are watery and deliquesce after 
one or two hours but they do not dissolve. The margin of the pileus 
is striate. On dung, after rains, Ray’s pasture, June, Algoma. 
Agaricus campestris L. Rare. Kashbom’s pasture, September, 
Rio creek. 
Agaricus haemorrhoidarius Schulzer. The pileus is beautifully 
adorned with pointed scales. The flesh of both the pileus and stipe 
turns rose-red immediately after being bruised. On the ground under 
leaves of beech and maple, Blahnik’s grove, September, Algoma. 
Agaricus placomyces Pk. Hard, Mushrooms, p. 315, fig. 256, gives a 
good figure of this plant. It grows in groups in pastures under oak 
trees; July, Fluno’s bluff, Mauston. 
Agaricus silvicola Vitt. The fresh specimens are white as figured 
by Rolland, Atlas Champ., PI. 72, fig. 160. They turn yellow in' drying 
without being bruised. Cooke, Illust., PI. 529. Common in woods, but 
