164 SYNOPSIS OF THE FLOKA OF THE 



Lepidium, L. Pepperwort. Peppergrass. 



L. Yirginicum, L. Virginian Peppergrass. 



Introduced from the South. Roadsides, railroads, and waste places. Road- 

 sides, Cape Soute, Quebec (Brunet). New Brunswick (Dr. Fowler). Road- 

 sides and fields near Belleville, Ont. (Macoun). Vicinity of London, Ont. 

 (Saunders). Roadsides, Hamilton (Logie). Huron County, Ont. (Gibson). 

 Mississagui River, Lake Huron (Prof. Bell). Owen Sound, Whisky Island, 

 and Little Current (Dr. John Bell). We are doubtful whether this species 

 was found on Lake Huron by the last two observers, as Prof. Macoun in the 

 same locality detected only the L. intermedium, which, being the northern 

 form, is certainly the indigenous one ; vide Gray, 5th edition. Citadel Hill, 

 Montreal (Dr. Holmes). June to September. 



L. intermedium, Gray. Peppergrass. 



Indigenous. In fields and dry places. North of the Counties Hastings and 

 Northumberland, Ont. ; Picton, Prince Edward County, Ont. ; Little Current, 

 Georgian Bay ; Fort Edmonton on the Saskatchewan ; Fort Assinaboine on the 

 Athabasca ; Little Slave Lake ; Dunvegan, Peace River (Macoun). Saskat- 

 chewan Plains (Bourgeau). 



L. ruderale, L. . 



Indigenous and introduced. Roadsides and waste places. Roadsides, 

 Hamilton, Ont., introduced (J. M. Buchan). West of the Little Saskatchewan, 

 indigenous (Macoun). British America to the Paciiic (Torr. & Gray). 



L. campestre, L. Field Peppergrass. 



Naturalized from Europe. Cultivated grounds and old fields. Niagara 

 Falls (Macoun). Vicinity of Hamilton, Ont. (J. M. Buchan). 



Cakile, Touvn. Sea-Rocket. 



C. Americana, Nutt. American Sea Rocket. 



Indigenous. Gravelly beaches of the sea and Great Lakes. Kamouraska 

 and Anticosti (Brunet). New Brunswick (Dr. Fowler). Trois Pistoles (Mac- 

 lagan). Seashore, Rivifere du Loup (Dr. Thomas). Wellington beach, Lake 

 Ontario ; Prince Edward County (Macoun). Hamilton (Buchan). County 

 Huron, on Lake Huron (Gibson). Cockburn Island and McLeod's Harbour 

 (Dr. Bell). North shore of Lake Superior (Agassiz). West coast of New- 

 foundland (Dr. Bell). 



Raphanus, L. Wild Radish. 

 R. Raplianistrum, L. Wild Radish. Jointed Charlock. 



Introduced from Europe. Waste places. New Brunswick (Dr. Fowler). 

 Barrie, Lake Simcoe, Ont. (Buchan). June to August. 



CAPPARIDACEiE. 



PoLANisiA, Raf. Polanisia. 



P. graveolens, Raf. Heavy-scented Polanisia. 



Indigenous. Gravelly beaches of lake shores. Border of Lake Ontario, 

 Kingston, Ontario (Brunet). Burlington beach, common (Logie). Montreal, 



