48 <iEi»l,(i(;l(AI- Si:i(\KV i»I.' CANAItA. 



(liiO.) B. alba, «!i;iy. Wlnii- .Mii>t:n(l. 



.Si/K/y/f's ((//.«(, Linn, (iniy, Mannal I., 1'aI. ;>S. 

 Ksi-apod frtini ijardons in a fow phu'os in Now IW-niiswick-. {/ujicltr's 

 Cat.) In a low I.H-alilii's around Ottawa, {r/flrhcr /•'/. Olt.) In 

 vicinity of Quebec. (Unmet.) 



(161.) B. nigra, Korh. 



Siniijii.t tii'jni, I-inn. 'i'oir. iV; (iray I'l. I., !•!». 

 IntrodtU'ocl iVoin lOuropc. Halifax ami Cumberland Co., N.S. {Ilotc.) 

 Uaro near dwellinif.>^ and on l)aliast. {Fowlers Cat.) (iiii-dcns and 

 wa.sto places, (Juebce. (Brunei.) StrocLs of Prt'scott. (^Pror<tiiilur.) 

 Around Ottawa, (hlctrher F I. Ott.) In lipids below Mataiu', (ia^pe, 

 (J. In old i^ardens and arouml barns and inaniu'c beaps in tlie 

 L'ounlies of I'rineo I'Mwanl ami Jlastini^s, and around Andierslbui'i;-li, 

 Out. (Macoun.) 



(H>'2.) B. campestris, Man. 



Introduced from luirope. Common in tields in Manitoba and aiound 

 Winni]H\i,'; also at Victoria, B. C. 



48. CHEIRANTHUS, R. Br. WALLFLOWER.) 



(163.) C. asper, Cham, k Schlecht. 



C. copitutus, Dougl. Hook. Fl. I., 38. 



Erysimum grandiflorum, Nutt. Torr. & Gray, Fl. I., 9G and 667. 



Common at Puget Sound. (Douglas.) To be looked for in the 

 southei-n part of British Columbia. 



(16-1.) C. pygmeeus, DC. Dwarf Wallflower. 



a Pallasii, Pursh, 436. Hook. Fl. I., 38. Torr. & Gray, Fl. I., 71. 

 Hesperis jvjgmxa , Hook. Fl. I., 60. 

 Heiqwris minima, Torr. & Gray, Fl. I., 9U. 

 Hesperis Pallasii, Torr. & Gray, Fl. I., 666. 



On the northwest coast of America. (Pallas.) Bear Lake and 

 thence to the shores of the Arctic Sea. (Richardson.) Kotzebue 

 Sound and Cape Lisburne. (Roth. Alask.) Greenland. (Hook. Arct. PL) 



49. PARRYA, R. Br. (ARCTIC ROCKET.) 

 (165.) P. nudicaulis, Eegel. Vars. glabra and aspera, Eegel. 



Cardamine articvlata. Pursli, 439. 



P. macrocarpa, R. Br. Hook. Fl. J., 47. Torr. & Gray Fl. I., 88. 



Found during the second Arctic Laud Expedition, and then only by 



