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. 



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



Alliaria Alliaria, (L.) Britt. 



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

 corded from province of Quebec. 



Sisymbrium altissimum, L. 



6". Sinapistrum, Crantz. 



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

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

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



CONRINGIA PERFOLIATA, L. 



Erysimum Orientaky 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. White.) 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. {John Macoun.) Not before recorded from 

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



Draba 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, y^ 

 to ^ 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 ^ 

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



