394 
BOTAOT. 
Panicum capillare, L. From Florida to New England and west to 
the Saskatchewan, Nebraska and New Mexico ; Cahfornia. Truckee, Union- 
ville and Euby Valleys, Nevada ; 4-6,000 feet altitude, and in the Wah- 
satch at 9,000 feet altitude ; July-October. (1,349.) 
Panicum dichotomum, L. From Florida to New England and west to 
Wisconsin, Indian Territory, and Texas ; Cahfornia. Found only near hot 
springs in Ruby Valley, Nevada, with the last; 6,000 feet altitude; Sep- 
tember. (1,350.) 
Panicum Crus-galli, L. From Floiida to Canada, and w^est of the 
Mississippi from Arkansas and Texas to California ; Washington Territory. 
Truckee Meadows, Nevada, and Salt Lake and Jordan Valleys, Utah; 
4-4,500 feet altitude. Short-awned or awnless. (1,351.) 
Setaria viridis, Beauv. Truckee Meadows, Nevada. Probably intro- 
duced, but also reported from the Burro Mountains and elsewhere in New 
Mexico. (1,352.) 
Cenchrus tribuloides, L. From Florida to New England and the 
Lakes, and west to Texas, New Mexico and Nebraska ; Southern Cahfor- 
nia. Seen only in Jordan Valley, Nevada.. (1,353.) 
EQUISETACE^. 
BY PROF. DANIEL C, EATON. 
Equisetum arvense, L. Asia, Europe, Greenland, and in North America 
from Mackenzie River and Kotzebue Sound to New Mexico and from Maine 
to California. Washoe Mountains, at 5,000 feet altitude, fruiting in May ; 
Monitor Valley, Nevada; near Cottonwood Lake in the Wahsatch, at 9,000 
feet altitude, fruiting in July. (1,354.) 
Equisetum l^vigatum, A. Braun. From Illinois to the Pacific and 
southward to New Mexico. In the West Humboldt and Shoshone Mount- 
ains, Nevada, and in the AVahsatch ; 5-7,000 feet altitude. Abundant in 
some locahties and freely eaten by animals. This species is with great diffi- 
culty to be distinguished from E. hiemale, but is paler, smoother, and with 
less conspicuous sheaths. (1,355.) 
Equisetum robustum, A. Braun. Tropical Asia, and in North America 
from British Columbia to Mexico and eastward to Ohio. West Humboldt 
Mountains, Nevada; 5,000 feet altitude. (1,356.) 
