COMPOSITE FAMILY. Composite. 



A rather showy species having 10-12 

 Fen-petaled or ravs with many pure yellow or deeper 

 Thin-leaved 

 Sunflower yellow flowers 2-3 inches broad. The 



Helianthus slender tall stem is rough above and 

 decapetalus smooth below ; the deep green leaves are 

 Yellow broad lance-shaped, a trifle rough, thin, 



September an( * snor ^- s ^ emme( i 5 they grow oppositely. 

 2-5 feet high. Borders of copses and low 

 damp woods. Me., south to Ga., and west to Mich, 

 Found in Campton, N. H. 



A species extensively grown for its edi- 

 A "t^h 1 ^ kl e roots, now running wild in fence rows 



Helianthus an( ^ roadsides. The name Jerusalem is a 

 tuberosus corruption of the Italian Girasole, sun- 



Golden yellow flower. Stem stout and rough-hairy ; the 



September- ova t e lance-shaped, three-ribbed, rough 

 October _ , A . . _ 



leaves grow oppositely (a few upper ones 



alternately). The golden yellow flowers, sometimes 3 

 inches broad, have 12-20 rays. 5-12 feet high. Damp 

 soil. Me., south to Ga., and west to S. Dak. and Ark. 



An uninteresting weed with rayless, 

 Beggar=ticks , . , ,, , , . , . 



or Stick-tight bristly flower -heads, indeterminate in 

 Bidens color, approaching rusty green, surround- 



frondosa ed by little leaflets ; the branching stem 



Rusty green purp ii s h. Leaves of 3-5 divisions, toothed 

 and lance - shaped. Seed-vessels two- 

 pronged (the prongs toothed), less than % inch long, and 

 sepia brown ; attaching readily to woolly animals or 

 clothing. 1-8 feet high. Common everywhere in moist 

 soil. The name, from bis and dens, means two-toothed, 

 or a kind of hoe with two prongs. Virgil. The specific 

 name, f rom frondosus, means full of leaves. 



A species with very narrow lance-shaped 

 Smaller Bur 

 Marigold smooth leaves, coarsely and sharply 



Bidens cernua toothed. The similar, bristly, half globu- 

 Yellow lar, rusty flowers generally nod ; the rays, 



July-October if anv> are ghort and sma iL The seed- 



vessels are narrower and four-pronged. 6-36 inches 

 high. In wet soil. Me., south to Va., west to Mo. and 

 S. Dak. 



512 



