44 GEOLOGICAL SURVEY OP CANADA. 



(141.) A. laevigata, Poir. 



Turritis Isemgata-, Muhl. Pursli. 438. 



A. Uterophylla, Nutt. Torr. & Gray, Fl. I., 81. 



Eockjr woods along streams. North shore of the St. Lawrence above 

 Quebec. (Barnston^ Vicinity of Ottawa. (^Fletcher Fl. Ott.) Valley 

 of the Eivifere aux Sables, Lambton Co., Ont. (Gibson.) London, Ont. 

 (Burgess.) Maiden, Ont. (Maclagan.) On rocks, Heely's Tails, Seymour, 

 Co. Northumberland ; on Gibson's Mountain, P. B. County ; Laurentian 

 rocks, Shannonville ; Eoyston Park, Owen ScJund ; and Port Stanley,- 

 Lake Erie, also Queenston Heights. (Macoun.) 



(142.) A. Canadensis, Linn. Sickle Pod. 



A. falcata. Michx. Fl. I., 31. Pursh. 437. 



Dry rocky ravines and hill sides. Vicinity of Hamilton, Ont. 

 (Logie.) Maiden, Ont. (Maclagan.) Bosanquet Township, Lambton 

 Co., Ont. (Gibson.) Vicinity of London and Toronto. (Burgess.) 

 Lam-entian rocks at Shannonville, Hastings Co. ; hill sides in rear of 

 Picton, P. E. County ; woods near Fenelon Falls, Victoria Co. ; abun- 

 dant in Talbot's Woods, near Port Stanley, and in the woods from 

 Niagara Falls to Queenston, Ont. (Macoun.) 



(143.) A. alpina, Linn. Mountain Cress. 



In Labrador. (Colmaster.) Forteau Bay, Labrador. (Butler.) 

 Along the coast of the Gulf of St. Lawrence 13 miles below the mouth 

 of Ste. Anne des Monts River ; up that stream about twenty miles from 

 its mouth, and very abundant in a small brook descending from the 

 northei'n face of Mount Albert, Shickshock Mountains, Gasp^, 1882. 

 (Macoun.) Greenland. (Hook. Arct. Fl.) 



(144.) A. Striata, Huds. 



Labrador. (Colmaster vide Pursh.) 



44. BARBAREA, R. Br. CWINTER-CRESS.) 



(145.) B. vulgaris, E. Br. Yellow Eocket. 



Four-mile House near Halifax, and Pictou, N. S. (Lawson & 

 McKay.) A weed at Eichibucto, N. B. (Fowler's Cat.) Vicinity 

 of Quebec. (Brunei). Harbor Grace, Nfld. ; sea shore, Murray Bay, Q. ; 

 Montreal Mountain. (McGill Coll. Herb.) On rocks along the Lovers' 

 Walk, Ottawa. (FletcJier.) 



The above references may principally apply to an introduced form. 



