422 FLOWERS OF FIELD, HILL, AND SWAMP 



27 



Z. capitata, with globular heads of flowers on short pedun- 

 cles ; and These species are from 1 to 4 feet high. 



28 



L. angiistifblia, with linear leaflets and flowers in smaller, 

 oblong heads. 



Many of the bush-clovers are pretty plants, with fine, delicate 

 foliage. Others are tall and stiff, with short-stemmed leaves and 

 rigid heads of flowers. The genus may be known by the 3-lobed, 

 clover-like leaves, and smooth, i -seeded, single or double jointed 

 pods. The pods of the nearly related desmodiums have several 

 joints, and they are rough, clinging to the clothing. 



29. Pencil-flower 



Stylosanthes e/af/o/'(" columned flower," from the stalk-like 

 calyx tube). — Family, Pulse. Color, yellow. Leaves, divided 

 into 3 sessile, lance-shaped leaflets, with straight, prominent 

 veins. Time, summer. 



Calyx, with a slender tube, upon which the papilionaceous 

 corolla with included stamens stands. Standard round, and 

 keel incurved. Stamens, in 2 sets, distinguished by their an- 

 thers, of which the 5 longer are fixed to their filaments near 

 their bases, the 5 shorter alternating with the longer, fastened 

 near the middle. Pods, i- or 2-jointed, with the lower half of 

 the hooked style clinging to them. When 2-jointed the lower 

 joint is empty, and it acts like a stalk for the upper. Heads 

 few, clustered with small flowers. Stems low, branched from 

 the base. 6 to 20 inches long. 



New York and New Jersey to Florida, in the pine barrens. 



30. Pink Wild Bean 

 Strophosty/es peduncularis. — Family, Pulse. CW,;^-, green 



