THE HAMILTON ASSOCIATION. 59 



17. Acerates longifolia, Ell. Sandy shore, Pt. Pelee (Macoun) 

 Sand beach at Pt. Edward, Lake Huron, Ont. {J. M. Macoun) 



t8. Hydrophyllum appetidiculattim, Mx. Abundant in thickets 

 at Pt. Pelee {Macoun) Amherstburgh {Maclagan) London, Ont. 

 {Burgess a?id Saunders) 



19. Lithospermum latifolimn, Mx. Open ground and borders 

 of thickets, Western Ont. {Gray) Bois Blanc and other islands in 

 Detroit River {Maclagan) Alluvial fiats of Thames, London, Ont. 

 {Burgess) 



20. Veroitica Virginica, L., (Culver's Physic) Moist woods and 

 banks from Canada and the Winnipeg valley southward {Gray) 

 Islands in Detroit River {Maclagan) 



21. Pycnanthemum incanum, Mx. Dry soil, Canada {Goldie) 

 New England to Western Canada ( Gray) Hamilton, Ont. {Bogie) 



22. Chamtzlirium Carolinianum r Willd. Swamp near Brantford, 

 Ont. ( Yates) Canada {Gray) Niagara River {Bay) 



23. Eriophorum lineatum, Benth. & Hook. Pt. aux Pins 

 {Burgess) Low ground at the southern end of Pt. Pelee {Macoun 

 and Burgess) Gravelly river flat, London, Ont. {Burgess and 

 Millman) 



24. Panicum scoparium, Lam. Sandy woodlands, Pt. Pelee 

 {Burgess) Pacific Coast {Macoun) 



25. Cenchrus tribuloides, L. Port Colborne, Ont. {McGill Coll. 

 Herb.) Pt. Pelee and Pt. aux Pins {Burgess) G. W. Railway, a 

 mile east of Dundas {Bogle) 



26. Muhlenbergia diffusa, Schreb. Above the canal at Port 

 Colborne, in grassy woodlands {Macoun) Pt. Pelee {Burgess) 

 Hamilton, Ont. {Buchan) 



