208 GEOLOGICAL SURVEY OF CANADA. 



699. AMMOPHILA, Host. Gram. Austr. IV., 24. (SAND- 

 GRASS.) 



(2198.) A. arundinacea, Host.; Hook., Fl. II., 241. 



Arundo arenaria, Linn. ; Michx., Fl. I., 73 ; Pnrsh, Fl. I., 87. 

 Psamma littoralis, Beauv. Agrost. 143- 



Calamagrostis armaria, Trln. ; Gray, Man. Ed. V., 616 ; Macoun, Cat. 

 2Sfo. 2139. 



Apparently a rare grass on sea beaches and on the shores of the 

 Great Lakes. St. John, and Kouchibouguac, N.B. (Fowler, Cat.) 

 Sands of Wellington Beach, Prince Edward Co., Ont. ; very abundant 

 on sand at Pic Eiver, Lake Superior. (Macoun.) North shore of 

 .Lake Superior. (Agassiz.) 



(2Y99.) A. longifOlia, Benth. & Hook. Gen. Plant III., 1153. 



Calamagrostis longifolia, Hook., Fl. II., 241 ; Macoun, Cat. No. 2134. 



Ywj abundant throughout the whole prairie region on sandy ridges, 

 and extending westward to Morley at the base of the Eocky Mountains. 

 (Macoun.) Milk Eiver, north of West Butte, lat. 49. (Dawson.) Souris 

 Plain, Assiniboia. (J. M. Macoun.) Saskatchewan Eiver. (Hooker, FL) 

 I place this species with Ammophila, in deference to Bentham and 

 Hooker. Dr. Yasey doubts the correctness of this disposition of it. 



700. AIRA, Linn. Gen. 81. (HAIR-GRASS.) 



(2800.) A. OARYOPHTLLEA, Linn. ; Gray, Man. Ed. Y., 642. 



Introduced and naturalized and very abundant in all the old clear- 

 ings and oak woods in the southern part of Yancouver Island. 

 (Macoun. Fletcher.) 



(2801.) A. PR^^cox, Linn. ; Gray, Man. Ed. Y., 641. 



Avena prxcox, Beauv. 



Introduced and naturalized with the preceding in the southern part 

 Yancouver Island. (Macoun. Fletcher.) 



