176 GEOLOGICAL SURVEY OF CANADA. 



(2691.) S. riparius, Spi-eng, Fl. Austr. VII., 327. 

 S. pygmsm, Gray, Proced. Am. Acad. VII., 327. 

 S. setaceus, Linn. var. Boeckeler, Linnsea, XXXVL, 500. 

 Isolepis riparia, E. Br. ; Hook., f. Fl. Tasm. II., 89. 

 J. leptocavli?, Torr. Pacif. E. Eep. IV., 153. 



In boggy spots, reached by high tides, at Beacon Hill, near Vic- 

 toria ; also in salt marshes, below Alberni, on the west coast of Van- 

 couver Island. {Macoun.) 



CXVIII. GEAMINE^. (Grass Family.) 

 673. BECKMANIA, Host. Gram. Aust. III., 5. 



(2692.) B. erucseformis, Host. var. uniflorus, Scribner. 



Quite common in wet and overflowed grounds throughout the prairie 

 1 egion, extending east to Port Arthur, on the railway and west to 

 Castle Mountain, in the Eocky Mountains. (Macoun.) Souris Plain, 

 Assiniboia. (J. M. Macoun.) Milk Eiver Eidge, If .W.T., and west 

 fork of that river, Eocky Mountains. (Dawson.) Wood Mountain, 

 Alberta. (Burgess.) Lake Mistassini, N.E.T.; Severn Eiver, Kee- 

 watin. (J. M. Macoun.) Moose Factory, James Bay. (Cottar & Dr. 

 Hayden.) Hayes, and Churchill rivers, Hudson Bay. (R. Bell.) High 

 Bluff, Man. (McGill Coll. Herb.) Emerson, Man. ; and Medicine Hat, 

 Alberta. (Prof. Fowler) Eed Eiver, Man., 1826. (Douglas.) Gris- 

 wold, Man. (Bev. W. A. Burman.) 



674. PANICUM. Linn. Gen. 96. (PANIC GRASS.) 



(2693.) P. agrostoides, Spreng. ; Torr., Fl. N. York II., 429. 



P. elongatum, Pursh, Fl. I., 69. 



Common in clumps along Sproat Lake, six miles from Alberni, west 

 coast of Vancouver Island, 1887. (Macoun.) Although collected in 

 August, the specimens are not more than half grown. There is no 

 doubt of it being indigenous, as there are no settlements where it was 

 found 



