340 
BOTANY. 
lected ill the brackish waters of the Lower Humboldt, with P. pectinatus ? 
(1,139 and 1,141,) may also rather belong here; August. (1,146.) 
ALISMACEiE. 
Triglochin palustee, L. From New York and Pennsylvania to Illi- 
nois ; Labrador ; on the Saskatchewan ; Colorado, (Hall & Harbour ;) Sitka. 
Jordan Valley, near Salt Lake City. (1,147.) 
Tkiglochin maritimum, L. Northern States to Labrador and the Arctic 
Circle, and westward to Sitka, Oregon and California, Utah and Colorado. 
Frequent in alkaline and sahne marshes and meadows through Nevada and 
Utah ; May-J uly. 1-3° high ; capsules varying from oval to narrow-oblong, 
more or less winged. (1,148.) 
Alisma Plantago, L., Yar. Americanum, Gray. From Georgia to 
Canada and the Saskatchewan, westward to Arkansas and the base of the 
Rocky Mountains ; Northern Cahfornia to Washington Territory. On the 
Truckee River. (1,149.) 
Var. AYith very narrow leaves, 3-6" wide, attenuate at base into a peti- 
ole 4-6' long. (1,150.) 
Sagittaria variabilis. Eng. From Newfoundland to Florida and west 
to Texas, New Mexico, Northern CaUfornia and the Saskatchewan. On the 
Truckee River and Lake Washoe, Nevada, and in Salt Lake Valley. Uni- 
formly with broad sagittate leaves, 2-6' long, the width equaling half the length 
or more. (1,151.) 
ORCHIDACE^. 
Habenaria hyperborea, Br. From the northern Border States and 
Canada to Greenland, the Arctic Circle and Unalaska, in the Saskatchewan 
region and Washington Territory, and southward in the mountains to Cahfor- 
nia (?) and Colorado. Ruby Valley, Nevada, and in canons of the Wahsatch 
and Uiutas; 4,500-8,000 feet altitude; July, August. 1-3° high; spikes 
usually rather loosely flowered, 4-18' long; flowers smaller than in any of 
the allied species, nioiv or less greenish, the posterior sepal somewhat hooded 
at the apex, broadly ovate, U-2" long, l-lh" broad ; lateral sepals somewhat 
longer and narrower, 2-2 J" long, f-1" wide; petals smaller, li-2" long, 
1- l" wide ; lip narrow-oblong, usually but slightly broader toward the base' 
2- 3" long, 1" broad ; spur 2-3" long. (1,152.) 
Habenaria dilatata. Gray. Very near the last, but probably distinct ; 
