1020 Wisconsin Academy of Sciences, Arts, and Letters. 
Stropharia caesifolia, Pk. Torr. Bui. 1895, p. 489, is a plant which, 
belongs to this group. Pileus one to two inches broad, convex, white 
with a brownish center. Lamellae rounded or emarginate blueish 
brown. Stem solid, white with a white annulus, spores 6—8x10—13 (i. 
The only characteristic mark of the plant was the color of the gills. 
The type specimens were collected by E. Bartholomew growing in sandy 
pastures in Kansas. 
The Stropharia Squamosa Group. 
Note —We have no photographs of Stropharia squamosa. The species 
seems to be a variable one. In N. Y. State Mus. Rep’t 44, p. 36, Peck 
remarks “Specimens (of Sropharia squamosa) collected near Salamanca 
agree very closely with this species, but they differ in having the pileus 
of a beautiful orange red color. In this respect and indeed in many 
other respects they agree better with the description of Stropharia 
thrausta, but disagree in having the pileus neithe'r hygrophanous nor 
glabrous. The plants are generally rather slender, though individuals 
occur having a stout stem and a pileus three 1 or four inches broad. 
This is viscid and beautifully adorned with whitish superficial scales 
which are easily destroyed. The margin is often appendiculate. The 
lamellae are broad and subdistant and the stem is long, hollow, floccose 
squamose and annulate. The whole plant is fragile, but this may be 
due in a measure to the fact that it is apt to be infected by the larvae 
of insects. It is probably to be considered a variety of S. squamosa 
and is apparently equivalent to Agaricus thrautus var. aurantiacus of 
Cooke’s Illustrations.” 
Massee in Eu. Fung. FI. p. 210, gives Stropharia squamosa, Fr. with 
two varieties. 
Yar. thrausta (Ag. thraustus Kalch.) Slender, fragile, hygrophanous, 
not scaly. Spores 6x12—15//.. 
Var. aurantiaca, Cke. Pileus orange or brick red. 
II. Pileus with no viscid pellicle, dry and squamose. 
Note —As far as we know no plants belonging to this division have 
been collected in our region. Stropharia caput-medusae, Fr. is re¬ 
ported in Farlow’s Index. Stropharia schraderi, Pk. is described from 
specimens collected near Washington, D. C. Stropharia feildeni, Berk, 
and Stropharia magnivelaris, Pk. are from the arctic regions. 
B. Growing on dung. 
THE STROPHARIA MEKDARIA GROUP. 
Stropharia submerdaria, Britz. PL LXVI GHI. 
Stropharia merdaria, Pr. appears to have two forms a larger 
form with the pileus about two inches in diameter and a smaller 
form with the pileus half as broad. In Stevenson’s British 
Fungi the large form is described and the small form mentioned 
while the reverse is the case in Sylloge, the small form is de- 
