266 THE AMERICAN MIDLAND NATURALIST. 
-Carex gynocrates, Wormsk. Beal records this from the 
Lower Peninsula only,:as C. Redowskyana. In peat bogs un- 
der tamaracks. Eagle Harbor, No. 6630, June 29, 1923. 
_ Carex exilis, Dew. Superficially, this looks like a tall, coarse 
state of the preceding; but the perigynia are of a different 
shape and the spikes are gynecandrous while those of the 
above are androgynous. Both are frequently dioecious. In 
peat bogs under tamaracks. Eagle Harbor, No. 6629, June 29, 
1923; Calumet No. 389, June 20, 1886. 
Carex echinata, Murr., var. angustata (Carey) Bailey. This 
is a slender variety with long, narrow perigynia. In wet 
grounds or in bogs. Eagle Harbor, No. 6622, June 29, 1923; 
Clifton, No. 1792, August, 1902. ; 
Carex sterilis, Willd. Rigid, often a meter high; perigynia 
with 10-15 nerves on the inner face. Reported as C. rosea as 
the spikes are often staminate at the top, generally dioecious. 
Mr. Mackenzie considers this to be. typical C. sterilis, Willd. 
Washington, Gladewitz and Farwell, No. 5895, June 21, 1921 
and No. 6203, June 21, 1922;,Oxford, No. 6681, Aug. 8, 1923. 
Carex hirta, L. On a vacant Jot where it covers perhaps 150 
square feet of ground to the exclusion of everything else. Prob- 
ably the first Michigan station put on record. Shelbyville, No. 
6584, June 21, 1923. 
Carex aristata, R. Br. In a bog. Shelbyville, No. 6574, 
gune 21; 1923. 
Carex aristata, R. Br., var. imberbis (A. Gr.) n. comb. C. 
trichocarpa var. imberbis A. Gr. Manual, (1867) 597. This 
has the sheaths glabrous but it passes into the species with 
hirsute sheaths and leaves and is associated with it. Shelby- 
ville, No. 6573, June 21, 1923. % 
Arisaema triphyllum (L.) Schott, var. pusillum, Peck. A 
low plant with the under side of the leaves green, not glau- 
cous, nor paler than the upper surface. Under maples near 
Washington, No. 6482, May 23. 
Lilium philadelphicum, Y., var. andinum (Nutt.) Ker. In 
riding through the State from Houghton to Bay City over the 
D.,S. 8S. & A. and the M. C., I saw from the car window, prob- 
ably several thousand plants of this lily; of this number per- 
