354 GEOLOGICAL StJRVET OP CANADA. 



519. FACOPYRUM. 



(1900.) F. Taktabicdm, Gkeitn. (India-Wheat.) 



Polygonum Tartaricum, Linn. ; Macoun, Cat., III., 414. 

 An occasional escape from cultivation on waste heaps around cities. 



521. RUMEX. 



(1905.) R. Patientia, Linn.; Macoun, Cat., III., 415. 

 Not uncommon along Carling's Creek, London, Ont. 1889. (Deamess.) 



(1906.) R. Brittanica, Linn.; Gray, Man., ed. VI., 438. 



R. orbiculatiis, Gray ; Macoun, Cat., 111., 415. 



Distinguished from B. occidentalis, by the valves being grain-bearing, 

 whereas in that speciea they are naked. 



532. EUPHORBIA. 



(1943.) E. Preslii, tiu-.B. ; Gray, Man., ed. VI., 45:^. 

 E. hypericifoUa, Macoun, Cat-, III., 427. 

 We have no Canadian specimens of this species in our herbarium. 



(3180.) E. EsuLA, Linn. ; Gi-ay, Man., ed. VI., 45C. 



Introduced along the banks of Bayfield River, Huron Co., Ont. 

 1889. {Deamess.) 



792. MACLURA, Nutt. (OSAGE ORANGE.) 



(3181.) M. ADRANTiACA, Nutt. ; Gray, Man., ed. VI:, 404. 



Cultivated for hedges in south-western Ontario. Becoming wild in 

 Essex Connly. (^Macoun.') 



540. URTICA. 



(1950.) U. Lyallii, Watson; M.icoun, Cat., III., 430. 



Abundant in the valley of the Fraser from Agassiz to the coast ; 

 also at Nanaimo, Vancouver Island. {Afacoun.) 



