532 tJEOLOQICAI. SUllVEY OP PANADA. 



204. LYTHRUM. 



CS21.) L. alatum, I'msh. Ia)\v wot siindy places at Point Kd- 

 ward, Out. (./. M. Maroun.) In ditches alon^- the (xreat Wostei-n 

 railway, loin- miles oast ol' Wiiidsoi-, Ont. (Macom\.~) 



(^822.) L. Salicaria, Liiui. ALmndant in iiu-adows amongst tlie 

 ruins of Louisbiug, Cape Breton. (Maroun & Burc/ess.) Island of 

 (^rlo:nis. g. (St. Cyr.) Longueuil, P.(^. (T. V. Macdonald.) 



206. MENTZELIA. 



Prtge 1T(J. 



(825.) M. laevicaulis, Ton-. & Gray. Mountain Hide, Spence'a 

 Bridge. B.C. (Fletcher.) 



207. SICYOS. 



(827.) S. angulatus, Linn. Point Abino, Lake Erie, Ontario. 

 (David F. Day.) 



208. ECHINOCYSTIS. 



(828.) E. lobata, Torr. & Gray. Surely indigenous in this neigh- 

 borhood. Various places in Ontario, near Buffalo. (David F. Day.) 

 Abundant in willow and other thickets west shore of Lake Winnipeg ; 

 also along the Souris and Qu'Appelle Elvers. (J. M. Macoun.) Indi- 

 genous along river banks at London and other places in western 

 Ontario. (Burgess.) 



2IO. OPUNTIA. 



Page 178. 



(2149.) O. fragilis, Haw. Not uncommon on dry rocks, on 

 islands in the Lake of the Woods, 1884. (A. C. Dawson.) This, then, 

 must be the plant referred to by Sii- John Richardson as the "prickly 

 pear," but which has not been detected within the last half century. 

 On dry rocks, Hernando and neighbouring islands. Gulf of Georgia, 

 B. C, 1885, (Dawson.) Cadboro' Bay, Victoria, Vancouver Island, 

 (Fletcher.) 



