1898] CONTKIliUTIONS 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. 



ALLIAkIA OFFICINALIS, Andrz 



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

 Alliaria Ailiaria, (L.) Britt. 



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

 corded from province of Quebec. 



Sisymbrium altissimum, L. 



kS". Sinapistrum, Crantz. 



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

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

 Okanajj^an Landing, B.C. ( /. A'. Anderson.) Western limit. 



CONRINGIA PKRFOLIATA, L. *.,, ■ 



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



1894 :;; ... 



Now represented in our herbarium from many localities in 

 the North-west and from Snelgrove, Ont. {/as. White.) and 

 Stamford, Ont. {R. Cameron.) 



Parrya macrocarfa. 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. 



-'-' ' , .;■' - '.1..' ': ')',- ■ 

 Crevices of rocks. Big Intervale, Margaree, Cape Breton 



Island, N.S , 1898. {John Macoun) Not beforv^, recorded Jrpm 



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



Draba PR.tALTA, Ureene, Pitiorrn, vol. in, \>. 3q^,> ;. . >,..,;..:. j.,i; . 



Annual very erect and strict, mostly quite sitnple; IQ to, I5' 



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



short stellate hairs ; rosulate basal leaves oblc)ng-lanceplatc, y^ 



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



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



raceine often \ or 6 inches long, the almost lanceolate pods "% ' 



. . •■■.I'->-'! ■■•.' ' :■ y'j It y-f 



inch long or more, erect on ascending pedicels j.^icarly ,^s long,^ 



