CATALOGUE OF CANADIAN PLANTS. 281 



(1312.) L. pulchella, DO. 



Muigedium pidchellum, Nutt. Torr. & GraylFl. II., 497. Macoun's Cat., 



No. 1104. 

 M. acuminatum, DC. Dawson Bound. Comissioner's Eeport, page 365. 

 Sonchm j)ulc1idl'^^, Pursh. Fl. II., 502. 

 S. Sihiricus, Hook. Fl. I., 293. 



From Lake Huron. (Dr. Todd.) Throughout the whole central 

 part of British North America to Fort Franklin in Lat. QQ°. (Richard- 

 son c& Drummond.) From the Lake of the Woods westwards to the 

 Eocky Mountains and northwards to Peace Eiver and Lake Athabasca* 

 (Macoun.) From Turtle Mountain, 49th parallel, to the valleys of the 

 Eocky Mountains, and interior of British Columbia. (^Dawson.) From 

 Spence's Bridge on the Thompson Eiver to Cache Creek, B. C. 

 (Fletcher & Hill.) Point Barrow to Mackenzie Eiver. (Rothr. Alask.) 



(1313.) L. Floridana, Gartn. 



Muigedium Floridanum, DC. Torr. & Gray Fl. II., 498. 

 Sonchus Floridanm, Linn. Pursh. Fl. II., 501. 



Islands in Detroit Eiver. (Maclagan.) 



(1314.) L. leucophsea, Gray. 



Muigedium leucopliseum, DC. Torr. & Gray Fl. IL, 499. Macouia's Cat., 

 No. 1105. 



Low, rich soil generally beside small brooks. Newfoundland. {Torr. 

 & Gray.) Frequent on southern part of Anticosti and Gaspd coast, 

 (Macoun.) Pictou, N.S. (McKay.) Low, wet grounds rather common, 

 3S.B. (Fowler's Cat.) Knowlton, Eastern Townships, Q. (McGill 

 Coll. Herb.) Common about clearings and open places, Eiver Eouge, 

 Q. (D' Urban.) Mount Johnstone, near Lachine, Q. (Maclagan.) 

 Frequent in central Ontario ; north shore of Lake Superior, and in 

 damp thickets from the Lake of the Woods westward to British 

 Columbia. (Macoun.) Easily distinguished from L. Canadensis by its 

 sordid pappus. 



(1315.) L. sativa, Linn. Garden Lettuce. 



Frequent on waste heaps and in corners of gardens, but never remain- 

 ing more than a year or two. Apparently naturalized at Hamilton, 

 Ont. (Buehan.) 



