CATALOGUE. 399 



New York and Pennsylvania. Var. subcylindeica, Br. & Sch. Sardinia. 

 In a wet meadow near Carson City, Nevada ; May. (1,381.) 



PoTTiA Heimii, Hook. Nearly all Europe ; Western South America to 

 Cape Horn ; Saskatchewan and Rocky Mountains of British America, (Drum- 

 mond, Bourgeau ;) Colorado, (Hall ;) Mount Dana, California. On stream- 

 banks in the West Humboldt Mountains, Nevada, and in the Wahsatch ; 

 4,500-6,000 feet altitude. (1,382.) 



Anacalypta latifolia, Nees & Hsch. This singular and elegant alpine 

 plant may be readily recognized by its short stem and gemmiform clustered 

 apex, julaceous obtuse leaves of a bright silvery hue, and glossy chest- 

 nut-brown capsule. — Alpine regions of Europe ; Davis Strait, (Taylor ;) 

 RoCky Mountains of British America, (Drummond.) On rocks at the head 

 of Bear River in the Uintas ; 11,000 feet altitude; August. (1,383.) 



Desmatodon latifolius, Br. & Sch. Alpine and subalpine Europe ; 

 Greenland ; Labrador ; Rocky Mountains of British America, (Drummond ;) 

 Colorado, (Hall ;) Cascade Mountains, Washington Territory, (Lyall ;) Mount 

 Dana, California. Var. muticus, Br. & Sch. On wet shaded rocks and 

 stream-banks in the East Humboldt Mountains, Nevada, and in the Wah- 

 satch; 8-9,500 feet altitude. (1,384.) 



Desmatodok flavicans, Br. & Sch. Central Europe; Wisconsin; 

 Rocky Mountains of British America, (Drummond.) Var. obtusifolius, 

 Br. & Sch. On a dry overhanging rock, intermingled with Brachythecium 

 Utaherise, near Hanging Rock Station in Echo Canon of the Wahsatch ; 

 6,000 feet altitude ; July. This rare variety has been heretofore only found 

 by Drummond at Lake Winnipeg. (1,385.) 



Desmatodon ceenuus, Wahl. Northern and Central Europe ; Rocky 

 Mountains of British America, (Drummond.) Differing from Drummond's 

 specimens in its longer operculum. On a stream-bank in Ruby Valley, Ne- 

 vada; 6,000 feet altitude. (1,386.) 



DiDYMODON kubellus, Roth. Europe ; Abyssinia ; New York and 

 Pennsylvania; Mount Dana, California. On stream-banks in the Havallah 

 and East Humboldt ranges, Nevada, and on the bark of a dead pine in the 

 Uintas; 5-8,000 feet altitude. (1,387.) 



DiDYMODON CYLiNDEicus, Nees & Hsch. Great Britain and Central 

 Europe ; India ; New Hampshire and Pennsylvania. In the West Humboldt 

 Mountains, Nevada. (1,388.) 



