CATALOGUE OF CANADIAN PLANTS. 23 



6. CALTHA, Linn. (MARSH MARIGOLD.) 



(54.) C. palustris, Linn. Spring Cowslip. 



C. aretica, E. Br. Hook. Fl. I., 22. 



In swamps and marshy meadows. Straits of Belle Isle. (J. Eichard- 

 son.) Mingan and Anticosti. (Verrill.) Nova Scotia. (Ball.) Common 

 in New Brunswick. (^Fowler's Cat.) Throughout Quebec. (Brunei.) 

 Abundant in all parts of Ontario, and extending across through the 

 forest country to the Eocky Mountains. (Macoun.) Coast of the Arctic 

 Sea, and Melville Island. (Hooker.) Eichard's Island, at the mouth 

 of the Mackenzie Eiver. (Pullen.) 



Var. Sibirica, Eegel. 



C. integerrima, Pursh. 390. 

 C. asarifolia, DC. Hook. Fl. I., 22. 



C. palustris, var. parnassifolia, Torr. & Gray Fl. I., 26. Also vars. flabelli- 

 folia and integerrima, Torr. & Gray, Fl. I., 26. 



Unalaschka and Aleutian Isles. (Hooker.) Alaska (jRothr. Alask.) 

 May probably be found in Northern British Columbia. 



Yar. minima, Eegel. 



a biflora, DC. Hook., Fl. I., 22. 



Banks' Isles, on the northwest coast. (Menzies.) Tsi Tsutl Mountains, 

 B. C. (Dawson.) 



(55.) C. leptosepala, DC. 



Northwest coast of America. (Menzies.) Alpine swamps in the Eocky 

 Mountains, Lat. 52°-55°. (Drummond.) Cariboo Mountains, and 

 Coast Eange, B.C. (Dawson.) Sitka. (Eothr. Alask.) 



(56.) C. natans, Pall. Floating Marsh-marigold. 



Creeping on the surface of deep sphagnous bogs, in the central dis- 

 tricts from the Eastern Provinces (?) to Lat. 60°, rare. (Hooker.) 

 Plowing stream twenty miles west ot Edmonton, on the Lac La Nun 

 road, N.W.T., 1872 ; Peace Eiver tributaries, near Port St. John ; Methy 

 Eiver, near Methy Portage, Lat. 57°, N.W.T. (Macoun.) 



7. COPTIS, Salisb. (GOLD THREAD.) 



(57.) C. trifolia, Salisb. Three-leaved Gold-thread. 



Low damp woods and cedar swamps. Abundant from Newfoundland 

 and Nova Scotia to the Eocky Mountains. Flowering according to 



