CATALOGUE. 
403 
nia. On sliaded rocks in the AVest Humboldt Mountains, Nevada, and in Bear 
River Cailon of the Uintas; 7-7,500 feet altitude. (1,408.) 
Geimmia (Sciiistidium) apocarpa, (Br. & Sch.) Europe, Asia, Africa 
and South America ; very common in the Eastern States ; throughout Can- 
ada and British America to the Arctic Ocean; Yosemite Valley, Californui, 
.and on the Colorado Eiver in Arizona. A variety was collected on rocks in 
Bear River Cafion in the Uintas ; 7,500 feet altitude. (1,409.) 
Grimmia anodon, Br. & Sch. An interesting species, distinguished by 
its small cushions of a dark-green aspect at the surface and yellowish-brown 
color below, the subglobose capsule entirely immersed by reason of its short 
curved fruitstalk, and the peristome wanting. Central and Western Europe ; 
New Brunswick. On limestone rocks in Secret Valley, eastern base of the 
East Humboldt Mountains, Nevada; 6,000 feet altitude. (1,410.) 
Grimmia pulvinata, Dill. In nearly all quarters of the world, not arc- 
tic; Disco Island and Cumberland Sound, (Taylor;) Fort Colville, (Lyall;) 
Clear Lake and Russian River, California ; Bill Williams Fork, Arizona. 
On dry rocks near hot springs in the Hot Spring Mountains, Nevada, at 
4,500 feet altitude, and on rocks in Bear River Caiion, Uintas; 7-10,000 
feet altitude. (1,411.) 
Grimmia orbicularis, Br. & Sch. This elegant species differs from 
G. pulvinata in the following respects : Leaves narrower, the marginal cel- 
lules at the base enlarged; pedicel pale-yellow; capsule smaller, roundish, 
from yellow passing to bright red in ripening, smooth and glossy while recent, 
obscurely ribbed when dry, the walls tliinner and without the blackish border 
at the orifice ; annulus much narrower ; operculum very short, scarcely apicu- 
late ; teeth of the peristome paler red, shorter and broader, with more distinct 
transverse bars, trifid, occasionally quadrifid, and much cribose below; 
calyptra dimidiate, not mitriform, and fugaceous. — Temperate and Southern 
Europe ; Algeria ; Western Asia ; not before collected in America. On 
rocks near Carson City, Nevada ; 5,000 feet altitude, (1,412.) 
Grimmia ovata, Web. & Mohr. Europe ; Asia ; Sandwich Islands ; 
New York ; from Lake Superior to the Rocky Mountains, (Drummoud,) and 
in the Barrens of Arctic America, (Richardson.) On dry rocks in th(.' 
Truckee and West Humboldt Mountains, Nevada; 4,700-7,000 feet alti- 
tude. (1,413.) 
Grimmia calyptrata, Hook. Rocky Mountains of British America^ 
