114 GEOLOGICAL SURVEY OP CANADA. 



and dry soils of the Eed Eiver and Assiniboine, Lat. 50°. (Douglas.) 

 Prom the Eed Eiver westward to the Eocky Mountains ; very abun- 

 dant. (Macoun.) Eed Eiver prairie, Pembina Mountain, Woody 

 Mountain and Short Creeii, Souris Eiver, N-.W.T. ; common. (Dawson.) 



(512.) A. collinus, Dougl. 



Plxaca collina. Hook. Fl. I., 141. 



On dry slopes of the mountains above Spence's Bridge, B. C. 

 (Datoson.) 



(513.) A. multiflorus, Gray. 

 A. tenellus, Pursh, 473, 

 Ervum multiflorum, Pursh, 739. 

 Pltaca nigr'escens, Hook. Fl. I., 143. 

 Homalobus multiflorus, Torr. & Gray, Fl. I., 351. 

 H. dispar, Nutt. Torr. & Gray, Fl. I., 350. 

 Astragalus nigresoens, Gray, PI. Bourgoau, 255. 



On the Saskatchewan to the Eocky Mountains, and as far north as 

 Port Franklin, on the Mackenzie Eiver, in Lat. 65°. (Richardson.) 

 Very abundant on the prairies west of Port Ellice to the Eocky Moun- 

 tains. (Macoun.) Spence's Bridge, B.C. (Hill.) 



(514.) A. Bourgovii, Gray. 



Eocky Mountains, Bow Eiver Pass. (Bourgeau.) Eocky Mountains, 

 S. Kootanie Pass (6000 feet.) (Dawson.) 



(515.) A. Palliseri, Gray. 

 Eocky Mountains, Bow Eiver Pass. (Bourgeau.) 



(516.) A. decumbens, Gray. 



Homalobus decumbens, Nutt. Torr. & Gray, Fl. I., 352. 



On dry ground around Spence's Bridge, B. 0. (Macoun & Mill.) 

 Chilcoten Plains, B.C. (Dawson.) 



(517.) A. ceespitosus, Gray. 



Homalobus csespitosus, & canescens, Torr. & Gray, Fl. I., 352. 

 On gravelly ridges in the centre of the Cypress Hills. (Macoun.) 

 Dry bank, "White Mud Eiver, 49th parallel, south of Cypress Hills. 

 (Dawson.) 



(518.) A. Kentrophyta, Gray. 



Kentrophyta montana, Nutt. Torr. & Gray, Fl. 1., 353. 

 K. mridis, Nutt. Torr. & Gray, Fl. I., 353. 



Borders of Stinking Lake, north of Cypress Hills, in sand. (Macoun.) 

 Along Belly Eiver, N.W.T. (Dawson.) 



