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- 233.) 



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. Beckii. — 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 



Helenium autumnale 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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