VALLEY OF THE ST. LAWRENCE ANB GREAT LAKES. 173 



genous to the Northern. United States, and gives fields and copses as its 

 habitats ; whilst Chapman, in his Flora of the Southern States, cites only 

 fields. It seems probable, therefore, that both in Canada and in the United 

 States we have two forms, the one introduced, the other indigenous. Every- 

 where common at Prescott (Billings). Vicinity of Quebec (Bruuet). Kent 

 County, New Brunswick (Dr. Fowler). City of Hamilton (Logic). Near 

 Goderich (J. Gibson). Kingston and Aroherstburg (Dr. Maclagan). Common 

 in Central Canada, Toronto, Owen Sound (J. Macoun). Bruce Mines, Lake 

 Huron (Dr. Bell). Plains of the Saskatchewan (Bourgeau). West coast of 

 Newfoundland (Dr. BeU). May to July. 



C. nutans, Raf. Nodding Mouse-ear Chick weed. 



Indigenous. Low moist grounds from Hudson's Bay to Louisiana, and west 

 to Vancouver and Oregon. In Canada it seems to have Ijeen geuerallj' over- 

 looked ; very abundant in the vicinity of Belleville on wet limestone shingle ; 

 Prince Arthur's Landing ; Big Lake, near Edmonton ; Little Slave Lake and 

 Vancouver Island (J. Macoun). 



■C. oblongifolium, Terr. 



Indigenous. On rocky banks and hills. It seems to be confined, in its 

 geographical range, to a comparatively small area. In ths United States it is 

 circumscribed by New York, Virginia, and Illinois ; whilst in Canada it has 

 only been reported from the vicinity of Amherstburg by Dr. Maclagan, and 

 lately by J. M. Buchan, Esq., from the vicinity of Hamilton. April to June. 



C. arvense, L. Field Chickweed. 



Indigenous. On rocky banks, hills, and pastures, from Canada to Georgia 

 and west to the Pacific ; Riviere du Loup and Gaspe (Brunet). Mary Island, 

 Islands in Detroit River (Dr. Maclagan). Vicinity of Hamilton (Buchan). 

 Labrador (Butler). Kent Co., New Brunswick (Dr. Fowler). Rocky banks 

 of the Moira, Trent, and Gull Rivers ; sandy fields, Toronto ; Point Aux 

 Pins, entrance to Lake Superior ; Dawson Route, Lake of the Woods ; Plains 

 west of Fort Garry ; Edmonton, Saskatchewan River ; Little Slave Lake ; 

 Dunvegan, Peace River ; Fort St. James, New Caledonia, and Vancouver 

 Island (J. Macoun). Plains of the Saskatchewan (Bourgeau). 



C. alpinum, L. Alpine Chickweed. 



Indigenous. "Perennial; silky, hirsute. Stems 4 — 6 inches high, few- 

 flowered ; leaves elliptical-ovate ; peduncles more or less elongated ; petals 

 bifid at the point, twice the length of the scariously margined and hairy 

 sepals" (Torrey & Gray). Capsule nearly twice as long as the calyx. In 

 North America it extends from Greenland to the islands of Sitka and New 

 Archangel on the west, and southward, on the authority of Brunet, as far as 

 the coast of Labrador. Rocky Mountains (Bourgeau). Kotzebue's Sound 

 and Unalaska (Beechey). Forteau Bay, Labrador (Butler). 



Sagina, L. Pearlwort. 



L. procumbens, L. Procumbent Pearlwort. 



Indigenous. Springy places and damp rocks. Kent County, New Bruns- 

 wick (Dr. Fowler). West coast of Newfoundland (Dr. BeU). 



S. nodosa, Fenzl. 



Indigenous, Wet sandy soU and crevices of wet rocks. Upper Canada to 

 the Arctic Sea and North-west coast. Coast of Maine, New Hampshire, also 



