1898] Contributions to Canadian Botany. 163 



seems the better one. Nuttall's description of the root "thick 

 crowned with vestiges of former leaves and stems," well de- 

 scribes Prof. Macoun's specimens. 



Alliaria officinalis, Andrz. 



Sisymbrium Alliaria, Scop. Can. Rec. of Science, Nov., 1894. 



Alliana Alliaria, (L.) Britt. 



At the Cove, Quebec, Que. {Mrs. Brodie.) Not before re- 

 corded from province of Quebec. 



Sisymbrium altissimum, L. 



.S\ Sinapistrum, Crantz. 



Ballast heaps, North Sydney, Cape Breton Island, N.S., 

 1898. {John Macou7i.) Not before recorded from Nova Scotia. 

 Okanagan Landing, B.C. ( /. R. Anderson.) Western limit, 



CONRINGIA PERFOLIATA, L. 



Erysimum Orientate, R. Br. Can. Rec. of Science, Nov., 

 1894. 



Now represented in our herbarium from many localities in 

 the North-west and from Snelgrove, Ont. {Jas. W/iitg.) and 

 Stamford, Ont. (R. Cameron.) 



Parrya macrocarpa, R. Br. 



Summit of Father Mt. alt. 6,000 ft. Yukon District, July 

 3rd, 1898. (/. B. Tyrrell.) Not before collected in that region. 



Draba hirta, L. 



Crevices of rocks. Big Intervale, Margaree, Cape Breton 

 Island, N.S, 1898. {JoJin Macoun.) Not before recorded from 

 Nova Scotia. Northern Labrador. {A. P. Low.) 



Dkaha pr.-ealta, (Ireene, Pittonia, vol. iii, p. 306. 



Annual very erect and strict, mostly quite simple, 10 to 15 

 inches high, subcinereous throughout, even to the pods, with 

 short stellate hairs ; rosulate basal leaves oblong-lanceolate, ^ 

 to 3^ inch long, entire, or with two or three pairs of sharp teeth 

 the two or three cauline similar ; flowers white ; the loose fruiting 

 raceme often 5 or 6 inches long, the almost lanceolate pods ^4 

 inch long or more, erect on ascending pedicels nearly as long, 



