|(t OROI.OOICAI, SI HVKY OK CANADA. 



.Iiuli:;(.' Logio, Imt :is Itoth tlu'so spocios linvc 1>oimi iiu'ludod in 

 />. Iiiriniata, I consider llu- al'ovc roforoncos (o apjtly to it. No. 128 

 of my Catnloi^'uo (1S78) rofors to the same i)olynioi-j)liou8 species, 



42. CARDAMINE, Linn. > BITTER-CRESS.) 

 (124.) C. rhomboidea, IK'. Spi-ing-ci-oss. 



Arahis rliomltoUlea, Vorff.. Pursli., ^:!7. 



C rolHudi folia, var. "., Tmr. it (ira.\ , I'l. I., S:'.. 



Pictou and Truro, N. S. {McKay «l- Lairson.) Wet meadow at 

 Stinson's Saw Mill on llu' Moira near Jiolloville ; also in a wet boggN' 

 wood at Aniiierstburgh, LaUe Krie. (Maroui}.) Wet places, common 

 at Jjondon, Ont. (liun/rss.) (ialt, Ont. (^fiss Crooks.) Maiden, Onl. 

 {Mnclai/aii.) 



(125.) C. rotundifolia, ^ruh.x:. Mountain Water-cress. 



C. rotundtfolhi var. ; ., Torr. ct Gray, Fl. I., 83. 



In a piece of rich ground within the limits of Belleville, Ont. 

 (Mai'ovn.) In a springy wood at Billings Bridge, near Ottawa. 

 {Fletcher.) 



Var. purpurea, Torr. 



r,'. rotwnlifolia, Michx. Hook. Fl. I., 44. 



C. rotundifolia var. ft. Torr. & Gray, Fl. I., S3. 



Beauharnois Co., Q. ; vicinity of Port Colborne, Ont. {MeCiill Coll. 

 Herb.) Quite common in the vicinity of Hamilton, Ont. {Logie.) 

 Wet, shady woods, London, Ont. (Burgess.) Eocky Mountains, Lat. 

 52°-57°, and thence to Hudson's Bay in the same latitude. {Drummond .) 



XoTE. — Much confusion exists regarding the last three forms, and 

 botanists ai-e earnestly requested to collect all varieties wherever 

 found. The roots are j^articularly desirable. 



(12fi.) C. bellidifolia, Linn. Dwarf Water-cress. 



Siimmits of the Eocky Mountains, Lat. .52°. {Drummmd.) Throngh- 

 ont Arctic America sparingly. {Richardson.) Greenland. {Hook. 

 Arct. FL) 



(127.) C. purpurea, Cham. & Schlecht. 



Possibly this species occurs in the northwestern part of British 

 Columbia, as it is not rare in Alaska. 



