LEGUMINOS^. 63 



matting on the ground ; legume twisted in a spiral form, like a 

 flat snail-shell. There may be other species cultivated, which are 

 less common. 



LupiNus. L. 15. 10. 



Stamens all united ; legume leathery, swelling at the seeds ; 

 calyx deeply 2-lipped ; keel acuminate. 



L. peren is. L. Common Lupine. Sun Dial. Perennial, 

 often growing in splendid clusters ; stem a foot or more high, 

 erect, hairy, bearing large blue flowers, in a fine raceme or spike ; 

 leaves digitate, 8 or 9 leafets, oblong, mucronale, villous beneath ; 

 blossoms in May, in the light soil of open woods. It has 

 long been cultivated for ornament in gardens. To it have been 

 added several other species, exotics, within a few years ; as 

 L. albus, L., the white-Jloivered lupine ; L. hirsutus, L., the 

 rough-leaved with blue Jloicers ; L. roseus, L., the red-Jiowered ; 

 and L. luteus, L., the yelloxc. 



Phaseolus. L. 15. 10. 



P. trilobus. Mx. Bean Vine. Stem prostrate, twining, 

 somewhat hairy and scabrous ; 2 - 3-lobed ovate leafets ; pe- 

 duncles bear a head of flowers ; banner spreading, reddish-white, 

 keel slightly twisted, and tipped with purple ; legumes linear ; 

 blossoms in July ; South Boston. Woods. Stamens diadelphous. 

 Used by Indian doctors as a cooling, sedative, antibihous tonic. 

 Lindley. 



Several species of Phaseolus are cultivated for the beans, and 

 are of great consequence. 



P. nanus. L. Bush-bean. Several varieties. The small 

 white field-bean is a great favorite. 



P. vulgaris. L. Pole-bean. Many varieties, of which the 

 kidney-bean is fine. 



P. lunatus. L. Lima-bean. A very rich seed, requiring long 

 and warm summers, and favorable exposure, to ripen. 



