392 
BOTANY. 
feet altitude ; August, September ; a low form (4-10' higli) with usually 
broad leaves, often slieatliiug the base of the spike, as first described by 
NuttalL (1,337.) Taller specimens, witli narrow convolute leaves and 
short awns, were also collected on Carrington Island in Salt Lake ; 4,300 
feet altitude ; June. (1,338.) 
Danthoxia Californica, Bol. Froc. Calif. Acad. 2. 182. Glabrous 
or more or less villous-pubescent or scabrous; culms J-3° high, from a 
perennial fibrous root, erect, slender, glabrous ; sheaths bearded at the 
throat ; ligule very sliort ; leaves Hnear, 3-4' long, 1-2" broad ; panicle 
simple or subcompound, the few (1-10) spikelets terminal upon the sohtary 
fiHform divergent scabrous or pul)escent branchlets ; spikelets 5-10-flowered, 
comiH-essed ,• glumes 7-9" long, purpHsh, smooth; joints of the rachis 
bearded ; lower palet 3-5" long, villous on the margin, the awns equahng 
the palet and twice the length of the awned teeth. — About San Francisco 
Bay, California. Wahsatch Mountains, above Parley's Park; 7,000 feet 
altitude ; June. (1,339.) A low form was collected near the same locahty, 
with but a single spikelet and the leaves somewhat villous. (1,340.) 
AvENA fatua, L. Steud. Gram. 230. Culm 2-3° high, erect, smooth; 
leaves broad, (2-6",) scabrous, very rough on the margins ; hgule short ; pan- 
icle erect, the 2 3-flowered spikelets few or solitary and erect upon the fih- 
form divergent branchlets; glumes 9-15" long, 9-11-nerved; palets 6-8" 
long, brownish and pilose with rufous hairs, the geniculate twisted awn 1-2' 
in length. — Abundant throughout the valleys of Cahfornia. In a cultivated 
meadow near Unionville, Nevada; doubtless adventive. (1,341.) 
AvENA SATIVA, L., was also found growing on the shores of Soda Lake 
in Carson Desert, an estray from some emigrant's wagon. (1,342.) 
Teisetum subspicatum, Beauv. From Northern New England to Wis- 
consin and the Rocky Mountains, and northward to the Arctic Ocean, Behr- 
ing Strait, and Greenland; Colorado; California. On the peaks of the 
East Humboldt and Clover Mountains, Nevada; 9,500-10,000 feet altitude; 
August, September. (1,343.) 
AiEA c^SPiTOSA, L. From the Northern States to the Saskatchewan 
and the Rocky Mountains; Colorado and Cahfornia; Sitka. On stream- 
banks in Ruby and Huntington Valleys, Nevada, and in the Wahsatch; 
6,000 feet altitude ; July-September. (1,344.) 
AiRA DANTHONioiDES, Triu. Sfeud. Gram. 221. Annual, glabrous; 
