54 GEOLOGICAL SURVEY OF CANADA. 



Ontario. (Macoun.} Burlington Beach, Hamilton, Ont. (Logie.} Moon 

 Kiver, Muskoka Co., Ont., and Parry Sound, Georgian Bay. (Burgess.} 

 St. Joseph Harbor, Georgian Bay. (J. Bell.) From Lake Huron to 

 the Saskatchewan. (Hooker^ FL} 



Yar. angustifolia, Gray, Man. Ed. V., 545. 



P. angustifolia, Pursh,lFl. I., 224. 



This variety is very distinct from the species if the form of the leaf 

 only is considered. The St. Glair specimens have leaves fully eight 

 inches long and not at all cordate at the base. Many of the references 

 given with the species very likely belong here, but we have no means 

 of determining without the specimens. Shallow water, Norton, N.B. 

 (Hay.} St. Clair Kiver, Ont. (J. M. Macoun.) Still water, Trent 

 River, above Heely Falls, Northumberland Co. ; and Lake Isaac, 

 Bruce Peninsula, Ont. (Macoun.} In water at Parry Sound, Georgian 

 Bay. (Burgess.} 



635. HETERANTHERA, Ruiz. (WATER-STAR GRASS.) 



(2356.) H. graminea, Yahl. ; Pursh, PI. I., 32. 



Leptanthus gramineus, Michx. ; Hook., Fl. II., 187. 



Schollera graminea, Willd. ; Gray, Man. Ed.V., 545 ; Macoun, Cat. No. 1906. 



Abundant at Ottawa. (Fletcher, Fl Ott} In gravel along the north 

 shore of Lake Ontario and the Bay of Quinte, at Belleville, and at 

 Weller's Bay, Prince Edward Co., Ont. (Macoun.} Yicinity of Hamil- 

 ton, Ont., on the lake shore. (Buchan.} On the lake shore at Kingston, 

 Ont. (Burgess.} 



CIX. XYKIDE^E. YELLOW-EYED-GRASS FAMILY. 



636. XYRIS, Linn. (YELLOW-EYED GRASS.) 



(2357.) X. flexuosa, Muhl., var. pusilla, Gray, Man. Ed. V., 548. 



X. Caroliniana, Pursh, Fl. L, 33, in part. 

 X. Jupacai, Michx., Fl. L, 23, in part. 



This form is easily distinguished from the species by being without 

 the bulbous base. The writer believes it to be a distinct species and 

 wholly separate from X. flexuosa. Peat bogs and wet sandy shores in 



