

ACROGENS. 



CXIX. EQUISETACE^E. HORSE-TAIL FAMILY. 



737. EQUISETUM, Linn. (SCOURING RUSH.) 



(2956.) E. Telmateia, Ehrh. Great Horsetail. 

 E.fluviatile, Linn. Hook. Fl. II., 269. 



Along the shores of the Gulf of Georgia on both sides and common 

 in many places on Vancouver Island, especially along the Nanaimo 

 Railway, also on wet banks along the C. P. By. from the coast east to 

 Yale, B.C. (Macoun.) Shore of Burrard Inlet at Vancouver City. 

 (Prof. Fowler.) 



(2957.) E. arvense, Linn. Common Horsetail. Hook. Fl. II., 

 269; Pursh, Fl. II., 651. 



Abundant on wet undrained loamy soil from Newfoundland west- 

 ward in all parts of the country to the west coast of Vancouver Island, 

 and northward to Alaska and the Arctic coast. 



Var. cam pest re, Milde. 



Greenland, Aug., 1888. (Rosenvinge.) Nottingham Island, Hudson 

 Strait, 1886. (Mackenzie.) Cape Chudleigh, Hudson Strait, Aug., 

 1884. (R. Sell). 



(2958.) E. pratense, Ehrh. 



E. umbrosum, Willd. ; Hook. Fl. II., 269. 



Damp thickets and sides of ravines; not rare. Windsor and Musquo- 

 doboit, N.S. (How). Campbellton, N.B. (Chalmers.) North West 



