Trees, Shrubs and Vines 



68. Smooth Bush-trefoil. (Desmodium humifusum.) 



Leaf : as in 67, but almost smooth, and leaflets less round, 

 stipules smaller and narrow. Flower : as in 67. Maine, Penn- 

 sylvania, south, 



69. Bush-clover. (Lespedeza procumbens.) 



Leaf : pinnate, alternate ; leaflets, 3, i'-^' long, roundish to 

 obovate, smooth above, resi of plant do-ony . Flower : purplish, 

 pea-shaped, larger and smaller on some plant (latter often with- 

 out petals, cah-x 5-toothed), few-clustered ; August, September ; 

 pod roundish, flat, one-celled ; trailing, herbaceous. 



70. Hog-peanut. (Amphicarpsea commosa.) 



Leaf : pinnate, alternate ; leaflets, 3, Yz-'h long, ovate-rhom- 

 bic. P'lower : purplish-white, small, pea-shaped (calyx 4-(rarely 

 5-)toothed), a bract under each 2 or more, clustered ; August, 

 September ; twining, hair\-, herbaceous. (PI. VL) 



71. Milk-pea. (Galactia regularis.) 



Leaf: pinnate, alternate ; leaflets, 3, I'-i^' long, long-ovate 

 to elliptical, sometimes notched at both ends, a little hair>' be- 

 neath. Flower : rose-purple, small, pea-shaped (calyx 4-toothed), 

 4-3-clustered ; pod i>^', narrow, flat, hairy; July. New York 



and south ; trailing, herbaceous. 



72. Downy Milk-pea. (Galactia pilosaO 



Leaf : pinnate, alternate ; leaflets, 3, J^'-i' long, oval, whitish- 

 hairy beneath, as also stalk. Flower : purplish, small, pea- 

 shaped (calyx 4-toothed), in rather large long clusters ; July; pod 

 very downy. Pennsylvania, and south ; twining or trailing ; her- 

 baceous. 



73. Ground-nut. Wild Bean. (Apios tuberosa.) 

 Leaf: pinnate, alternate; leaflets, 5-7,1^-2', ovate-lance- 

 shaped. Flower : brownish-purple, odorous, pea-shaped, in 

 dense clusters ; August, September ; twining, herbaceous, with a 

 little milky juice. (PI. VIL) 



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