CATALOGUE OF CANADIAN PLANTS. 53 



On the west coast of America. (Pursh.) Aleutian Islands of St. 

 George and St. Paul, Lat. 56-57. (Chamisso.) 



Var. siliquosa, Gray in Herb. 



CocMearia siliquosa, Schlecht. Hook. Fl. I., 57. 

 Eocky places in Ounalashka. (Herb. Willd.) 



(181.) D. verna, Linn. Spring Whitlow Grass. 



Erophila vulgaris, DC. Hook. Fl. I. ,56. 



Probably introduced from Europe. Fields and hill sides in the neigh- 

 borhood of Quebec. (Brunei.) Cape Tourment, Q. (Provancher.) 



52. COCHLEARIA, Tourn. (SCURVY-GRASS.) 



(182.) C. offlCinallS, Linn. Officinal Scurvy-grass. 



C. Grcenlandica, Linn. Torr. & Gray, Fl. I., 110. 



C.fenestrata, R. Br. Hook. Fl. I;, 57. Torr. & Gray, Fl. I., 109. 



C. oblongifolia, DC. Hook. Fl. I., 56. Torr. & Gray, Fl., I., 109. 



Labrador. (Brunei, .) Islands of St. Lawrence and Ounalashka. 

 (Chamisso.) Kotzebue Sound. (Lay.) Norton Sound to Point Barrow 

 and Assistance Bay. (Bothr. Alask.) Arctic shores. Whale Islands. 

 (Parry.) Coast to the westward of Mackenzie Eiver. (Franklin & 

 Bach.) Shores of the Arctic Sea. (Ross.) Greenland. (Hook. 

 Arct. PL) 



(183.) C. Anglica, Linn. English Scurvy-grass. 



Shores of the Arctic Sea from east to west. Observatory Inlet. 

 (Scouler.) Queen Charlotte Islands. (Dawson.) East of Mackenzie 

 Eiver and Greenland. (Hook. Arct. PL) 



(184.) C. Danica, Linn. Danish Scurvy-grass. 



Arctic Shores, North Somerset. (Parry.) Westward of Mackenzie 

 Eiver. (Franklin & Back.) Kotzebue Sound and Assistance Bay. 

 (Rothr. Alask.) Greenland. (Hook. Arct. PL) 



(185.) C. tridactylites, Banks. 

 Labrador. (Banks.) Cape Charles, Labrador. (Brunet.) 



53. ALYSSUM, Tourn. (ALYSSUM.) 



(18G.) A. calycinum, Linn. 



Abundant along roadsides near London, Out. (Burgess.) Very 

 abundant around Brock's Monument, Queenston Heights, Ont., 1882. 

 (Macoun.) 



