326 GEOLOGICAL SURVEY OP CANADA. 



All our herbarium specimens of T. aureum belong here, but some of 

 the references given in Part I. may belong to the true T. aureum. 



(3121.) Z. cordata, Koch; Hook., Fl. I., 260. 



Tha opium trifoliatum, Gray ; Macoun, Cat. 1 , 181, in part. 

 All the specimens in our possession from the eastern part of the 

 prairie region have been referred here by Coulter and Eose, while those 

 from the base of the Eocky Mountains are placed under Thaspium. 



220. THASPIUM. 



(350.) T. aureum, Nutt., var. trifoliatum, 0. & R Kev. of 



K Amer. Umbell., 83. 



T. trifoliatum, Macoun, Cat. I., 181, in part. 



The only specimen of this species in our collection is from Kanan- 

 askis Station at the eastern base of the Kocky Mountains; collected 

 1885. (Macoun.) ^ 



221. CICUTA. 



(852.) C. virosa, Linn.; Macoun, Cat. I, 182. 



To the species, which is wholly a northern form, Coulter and Eose 

 unite C. maculata as a variety. It, therefore, becomes 



Var. maculata, C. & E., Rev. of N. Amer., Umbell., 130. 

 C. maculata, Linn. ; Macoun, Cat. I., 181. 



This includes all the more southern specimens and localities, and 

 crosses the continent to the Pacific coast and Vancouver Island. 

 (Macoun.) 



Var. Californica, C. & R Eev. of N. Amer., Umbell., 130. 



C. Californica, Gray, Proced. Amer. Acad., VII., 344. 



Lost Lake, near Cedar Hill, and by ponds near Esquimault, Van- 

 couver Island, 1887. (Macoun.) 



579. BERULA. 



(2150.) B. angustifolia, Koch; Macoun, Cat. III., 534. 



Abundant in the stream that enters the north- western arm of Lake 

 Okanagan ; quite common in a pond on the Eeservation at Kamloops 

 B.C., 1889. (Macoun.) 



