150 



1150. C. arenaria, Roth. 



Rare. Rose's Pt., Ont., Clinton; Pt. Abino, Ont. 



480. ORYZOPSIS, Michx. 



1151. O. melanocarpa, Muhl. 



1152. O. asperifolia, Michx. 



481. SPARTINA, Schreber. 



1153. S. cynosuriodes, Willd. 



482. TRIPLASIS, Beauv. * 



1154. T. purpurea, Beauv. (Tricuspis purpurea, Gray.) 



Found only along the shore of Lake Erie. 



483. DACTYLIS, L. 



1155. D. GLOMERATA, L. 



484. CYNOSURUS, L. 



1156. C. CRISTATUS, L. 



Introduced by means of " Lawn Grass Seed." Buffalo. Precari- 

 ous. 



485. EATONIA, Raf. 



1157. E. obtusata, Gray. 



1158. E. Pennsylvania, Gray. 



486. MELICA, L. 



1159. M. mutica, Walt. ? 



Perhaps this grass has been confounded by us with another, 



487. GLYCERIA, R. Br., Tjin. 



1160. G. Canadensis, Trin. 



1161. G. elongata, Trin. 



1162. G. nervata, Trin. 



1163. G. pallida, Trin. 



1164. G. aquatica, Smith. 



1165. G. fluitans, R. Br. 



488. POA, L. 



1166. P. annua, L. 



1167. P. compressa, L. 



1168. P. serotina, Ehrh. 



1169. P. pratensis, L. 



1170. P. TRIVIALIS, L. 



1171. P. sylvestris, Gray. ■ 



1172. P. alsodes, Gray. 



489. ERAGROSTIS, Beauv. 



1173. E. po.^oides, Beauv., var. megastachya, Gray. 



Rare. Near Ft. Erie, Ont. 



