HARPER'S GUIDE TO WILD FLOWERS 



in pastures and in swampy land, often quite in water. 2 to 

 3 feet high. The achenes are just as troublesome as those 

 of other species, being furnished with 2 long and 2 short 

 awns, rigidly barbed. Widely diffused. (See illustration, 



P- 2 33-) 



Tall Tickseed Sunflower 



B. trichosperma. — Color of large rays, golden yellow. Heads in 

 corymbose panicles. Leaves, the lower petioled, deeply, pin- 

 nately divided; upper, sessile, 3-lobed or divided. Outer and 

 inner scales of the involucre about the same length, much shorter 

 than the rays. Stem, tall, 2 to 5 feet high, smooth, branched. 

 August to October. 



Swamps and wet meadows, sometimes in damp, open 

 woods, Massachusetts to Georgia. A showy species, not 

 very common with us. 



Water Marigold 



B. BeckiL — Color, yellow. This is an aquatic, with simple or 

 somewhat branched stems, 2 to 8 feet long. Leaves, those under 

 water many, cut into fine, hair-like segments; those above, out of 

 water, a few, sessile, long, narrow, undivided, serrate. August 

 and September. 



A large-flowered species, found in slow streams and ponds. 

 The flowers are single, on long or short peduncles. The 

 seeds are smooth nutlets, each with several long awns, spread- 

 ing apart, barbed at their apex. 



Autumn Sneezeweed. Swamp Sunflower 



Helenixxm autumnMe. — Family, Composite. Color, yellow in 

 both rays and disk. Number of rays about 10. Flower, not 

 large, but possessing attractiveness. The rays are deeply 3 to 

 5-notched, and droop downward. Leaves, toothed, oblong to 

 lance - shaped, alternate, sessile, running down on the stem, 

 feather-veined, 2 to 5 inches long. August and September. 



Plant erect, 1 to 6 feet high, and in general appearance 

 like a sunflower, but the blossom is smaller, being about $ 

 inch across. Branches and broad stem angled and smooth. 

 Heads single or in small clusters. Swamps, river-banks, and 

 wet meadows. Quebec to Florida and westward. 



Common Tansy 



Tanacetum vulgkre. — Family, Composite. Color, yellow. Flow- 

 ers, all tubular and much compressed into flat-topped corymbs. 



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