[PENHALLOw] THE PLEISTOCENE FLORA OF CANADA 78 



53. Potentilla nnsoina, L. 



From Green's Creek, Ottawa (Sir Win. Dawson and Miller) and Besserer's 

 Wharf, Ottawa River (Ami). 

 Can. Nat., N. Ser. IIL, 71 ; VI., 40;i : Bull. Geol. Soc. Amer. I., 330, SaS. 

 .'54. Quercus obfusiloba, Miclix. 



Don Valley, Toronto (Coleman). 



Araer. Geol. XIII., 95 : .Tn'l of Geol. III., 03.5. 



55. Salix, sp. 



Scarboro Heights, Ontario (Coleman) ; Don Valley, Toronto (Coleman). 

 •In'l of Geol. III., 620, 63.5. 



56. Ta.vus canadens'S, Willd. 



Don River. Toronto (Townsend) ; Sols.^irth, Manitoba (Dr. G. M. Dawson & 

 Tyrrell) : Rollinp; River, Manitoba (Tyrrell) ; Caj)e Breton (Sir Wm. 

 Dawson) ; Bloomington, 111. (Andrews) ; Don Valley, Toronto) Cole 

 man) ; Lower Till, Fort Madison, Iowa (Gordon). 

 Bull. Geol. Soc. Amer. I., 321, 334 : Amer. Geol. XIIL, 94 : Jnl of Geol. 

 III., 636 : Trans. R. Soc. Can. IV., iv., 92. 



57. Thuya occidental is. L. 



Leda clays, Montreal (Sir Wm. Dawson) ; Leda River, Manitoba (Dr. G. M. 

 Dawson) ; Marietta, Ohio (Newberry). 

 Bull. Geol. Soc. Amer. I.. 324, 334: Can. Nat. II., 422: Can. Nat., N. 

 Ser. III., 72 ; VI., 404. 



58. Cu]yressns thyoides, L. 



Greenville, N.J. (Edwards). 



59. Typlia latifolia L. 



Besserer's Wharf, Ottawa River (Ami). 



60. Ulnius americana, L. 



Don Valley, Toronto (Coleman). 



Jn'l of Geol. III., 635 : Bull. Geol. Soc. Amer. I., 323. 



61. Ubnus racemosa, Thomas. 



Below Erie clays, Don River, Toronto (Townsend). 

 Bull. Geol. Soc. Amer. I., 323, 33:1 



62. Vacciniuvi nliyinosum, L. 



Scarboro Heights, Ontario (Coleman). 

 Jn'l of Geol. IIL, 626. 



63. Vallisnefia, sp. 



Rolling River, Manitoba (Tyrrell) ; Besserer's Wharf, Ottawa River (Ami). 

 Bull. Geol. Soc. Amer. I., 325, 334. 



