CATALOGUE OF CANADIAN PLANTS. 43 



(13t.) A. retrofracta, Graham. 



Turritiii r/'frnt'ractn. Hook. Fl. I., 41. 

 Portage du Fort, Ottawa Eiver. {G-ihson.) Hudson's Bay to the 

 Eocky Mountains, and from the Eastern Provinces to Lat. 68° at the 

 Mackenzie Eiver. {Richardson.) Sereno Watson, in his Botanical 

 Index, unites this with the preceding, hut I am led to agj-ee with 

 Hooker and consider it distinct, on account of its refracted flowers and 

 pods and its diflfei'cnt habitat. 



(138.) A. Drummondii, Gray. 



Turritis strlcta, Grab. Hook. Fl. I., 40. 



Turritis glabra var. /l Torr. & Gray Fl. I., 78. 



(f) Turritis spatJmlata, Nutt. Torr. & Gray Fl. I., 7<S. 



Eel Eiver, Eestigouche, N.B. (Fowler's Cat.) Prairies of the 

 Eocky Mountains, Lat. 52°-56°. (Drummond.) Abundant on the 

 rocky banks of streams throughout Quebec and Ontario, and west- 

 ward to the Pacific, both on the pi-airie and in the forest. A fine 

 species, and very distinct. 



Var. brae h year pa, Gray. 



Turritis hrachycarpa, Torr. & Gray, Fl. I., 79. 

 On the sandy spit at the mouth of the Magdalen Eiver, Gas^^e, 1882. 

 West of Touchwood Hills, N. W.T. ( Macoxm.) 



(130.) A. Lyallii, Watson. Lyall's Tower-mustard. 



A. Drummondii, var. aljyiivi, Watson. 



(f) A. micropliylla, Nutt. Torr. &. Gray, Fl. I., 32. 



This sj)ecies was found by Dr. G. M. Dawson in 1875, near the 49th 

 pai-ailel, at an attitude of 7,000 feet, and in the summer of 1S81 he 

 again found it near the same locality. 



(140.) A. perfoliata, Lam. Smooth Tower-mustard. 



Turritis glaJmi, Linn. Hook. Fl. I., 40. 



Turritis macrocarpa, Nutt. Torr. & Gray, Fl. I., 78. 



Montreal Mountain. (McCtUI (Ml. Ilerh.) Vicinity of Ottawa. 

 (Fletrher FL Ott.) Amherstburgh and islands in Detroit Eiver. 

 (Maclagan.) Whiskey Island, Lake Huron. (J. Bell.) Counties of 

 Hastings and Northumberland, Ont. ; abundant at Port Stanley, 

 Ont. ; Owen Sound, Lake Huron ; shore of Lake Superior and 

 fifteen miles up the Kaministiqua. (Macou7i.) Hudson's Bay to the 

 Eocky Mountains and as far north as Lat. 64°. (Richardson.) Occasion- 

 ally on the Great Plains ; at Port Assiniboine, on the Athabasca, west 

 of Slave Lake ; northern British Columbia. (Mae.ovn.) 



