FLORA OF RAINY RIVER 
75 
35. Bidens frondosa L. Beggar-ticks. Cleared ground. 
50. Helenium antumnale L. Sneezeweed. Cleared ground. 
148. Petasites sagittains Gray. Sweet Coltsfoot. River 
bank, 
11. Achillea Millefolium L. Common Yarrow. Cleared ground. 
258. Chrysanthemum Leucanthemum L. Ox-eye Daisy. Woods. 
July, 1915. 
223. Senecio vulgaris L. Groundsel. Cleared ground. 
261. Senecio Jacohaea L. Stinking Willie. Woods. July, 
1915. 
67. Cirsium arvense (L.) Scop. Canada Thistle. Cleared 
ground. 
39. Cirsium lanceolatum (L.) Hill. Scotch Thistle. Cleared 
ground. 
117. Taraxacum officinale Weber. Dandelion. Cleared ground. 
Not over-abundant. 
114. Sonchus arvensis L. Sow Thistle, Cleared ground. 
52. Lactuca pulchella (Pursh.) DC. Blue Thistle. Cleared 
ground. 
2. Prenanthes alha L. Rattlesnake Root. Woods. Common. 
51. Hieracium canadense Michx. Woods. 
Botanical Laboratory, 
Iowa State Colt.ege. 
