The Flora of Montreal Island. 223 
Anthemis cotula, DC.—Mayweed.—May. Everywhere. 
(Holmes). 
Rudbeckia-hirta, L.—Coneflower.—Petite Cote. July. 
Helianthus divaricatus, L.—Wild Sunflower.—August. 
Cemeteries and Park. 
Helianthus tuberosus, L.—Jerusalem Artichoke. —August. 
Prince Arthur street. 
Bidens frondosa, L.— Common Beggar Ticks.—July. 
Fletcher’s Field. (Holme’s B. pilosa). 
Bidens Connata, Muhl.—Swamp Beggar Ticks.—August. 
Cote St. Paul. (Holmes). 
Bidens cernua, L.—Smaller Bur-marigold.—August. Long 
Pointe. (Holmes). 
Achillea millefolium, L.—Milfoil—June. Hverywhere. 
(Holmes). 
Cichorium Intybus, L.—Cichory.—July. Hverywhere. 
(Holmes). 
Hieracium Canadensis, Michx.—Canada Hawkweed.— 
August. Cemeteries. (Holmes’ H. kalmii). 
Hieracium scabrum, Michx.—Rough Hawkweed.—August. 
Papineau Road and elsewhere. (Holmes’ H. Marianum), 
Nabalus: albus, Hock.—White Lettuce —August. Com- 
mon. (Holmes’ prenanthes alba). 
Nabalus altissimus, Hook.—Tall White Lettuce.—August. 
North end of mountain. (Holmes’ prenanthes cordata). 
Nabalus racemosus, Hook.—Rattlesnake Root.—August. 
Mountain Park and Cote St. Paul. Common. (Holmes’ 
Prenanthes racemosa). 
Taraxacum dens-leonis, Desf—Common Dandelion.—May. 
Everywhere. (Holmes’ leontodon taraxacum). 
Laetuca Canadensis, L.—Wild Lettuce.—North end of 
mountain. August. (Holmes’ lactuca elongata). 
Lactuca integrifolia, L.—Wild Lettuce.—August. Ceme- 
tery swamp. (Holmes’ L. elongata). 
Mulgedium leucopheum, DC.—False or Blue Lettuce.— 
