\yo The Ottawa Naturalist. [December 



occurrence coincides exactly in every respect with mine, and 

 from the fact of finding it surrounded by quantities of A tovien- , /l 

 to-s'i and A. iivm-ursi, I was also lead to believe it might he a "^,''^J 

 hybrid." This note was written in 1897 ; in 1898 Mr. Anderson 

 collected and sent to the herbarium of the Geological .Sur\ey a 

 fine series of specimens, which clearly show that A.mciid is a 

 hybrid. 



ASCLEPI.^S TUBEROSA, L. 



Tarr Island, River St. Lawrence and below Rockprn-t, 

 Leeds Co., Out. {R^v. (J. J. Youvg.) Eastern limit in Canada. 



Gentiana frigida, Hsenke. 



Above the tree line, alt. 5,000 ft., Nishing River, Lat, 62°, 

 Yukon District. Aug. 22nd, 1898. (J. B. Tyrrell.) Not before 

 recorded from Canada. This plant differs in several iniportant 

 respects from Behring Sea specimens, agreeing more ne.irly with 

 specimens from Colorado. 



Phlox Richardsonii, Hook. 



Mountains by Selkirk Trail, west of Aishihik Lake, Yukon 

 District, Sept. 7th, 1898. (/ /I Tifirdl.) Onl\- known l)cfore 

 from Arctic sea-coast. 



Phacklia Purshii, Buckley. 



Growing among clover at the Central P2xpcrimental F'arm, 

 Ottawa, Ont. (IF???. 7\ M 'Coun.) Introduced from the United 

 States. Not before recorded in Canada. 



Plagiobothrys echinatus, Greene, Piitonia, vol in, y. 262. 



Habit of P. tenelhAS and of the same size, rather more 

 branching, the branches strict, densely spicate at summit; the 

 usual pubescence augmented by sparse spreading and rarher 

 his[)id hairs ; nutlets rather more than -)^ line long, whiti-h, dis- 

 tinctly carinate on the back at least toward the apex, the tran- 

 sverse rugosities few.slender and indistinct,merelv indicating the 

 lines of numerous well elevated and sharp murications, the 

 whole back thus appearing somewhat regularhv cchinate 



Cedar Hill, Vancouver Island, [6th May, 1887, (yjokn 

 MacoUn.) 



