110 LEGUMINOS^E. (PULSE FAMILY.) 



bearded. Legume flattened. Seeds compressed, with a small and oval hilum. 

 Twining herbs, with trifoliolate leaves, and axillary racemose flowers. 



1. D. milltiflorus, Torr. & Gray. Perennial, pubescent; leaflets thin, 

 large, orbicular, abruptly acute ; racemes shorter than the leaves, many and 

 densely flowered at the summit of the stout peduncle ; upper lip of the calyx 

 entire ; keel nearly straight ; legume 4 - 5-seeded. Banks of rivers, near Mil- 

 ledgeville, Georgia, and westward. June and July. Stem 5 -10 long. 

 Leaflets 3' - 6' in diameter. Flowers purple. Legume 2' long, ' wide. 



37. PISCIDIA, L. JAMAICA DOGWOOD. 



Calyx campanulate, 5-toothed. Keel obtuse. Vexillum rounded. Stamens 

 diadelphous at the base, monadelphous above. Style filiform, smooth. Legume 

 stipitate, linear, contracted between the seeds, furnished with four membranaceous 

 longitudinal wings. Seeds compressed. Tropical trees. Leaves unequally- 

 pinnate. Flowers in terminal panicles. 



1. P. Erythrina, L. Young branches, leaves, and panicle silky and 

 hoary, at length smoothish ; leaflets 7-9, oblong or obovate, abruptly acute, 

 straight-veined, distinctly petiolulate ; panicles axillary and terminal, many- 

 flowered, shorter than the leaves ; upper teeth of the calyx partly united ; leg- 

 ume 6-seeded. South Florida. March and April. A small tree. Leaves 

 deciduous. Corolla white, lined with red veins. Legume 2' long, the broad 

 wings wavy. 



38. BAPTISIA, Vent. 



Calyx campanulate, 4-cleft ; the upper lobe broader and mostly emarginate. 

 Vexillum roundish, with the sides reflexed ; wings and keel straight. Stamens 

 10, distinct, shorter than the wings, deciduous. Legume stipitate, oval or ob- 

 long, inflated, few-seeded, pointed with the persistent style. Erect widely- 

 branching perennial herbs. Leaves simple or palmately trifoliolate, withering- 

 persistent. Stipules deciduous or persistent, rarely wanting. Flowers showy 

 in terminal racemes, rarely axillary and solitary. 



* Leaves simple, sessile, or perfoliate. 



1. B. simplicifolia, Croom. Smooth ; leaves large, sessile, broadly ovate, 

 obtuse ; stipules none ; racemes numerous, terminal, many-flowered, sessile or 

 short-peduncled ; ovary villous and hoary ; legume small, ovate, coriaceous, 

 smooth. Dry pine barrens near Quincy, Middle Florida. July. Stem much 

 branched, 2 -3 high. Leaves 2' -4' long. Flowers rather small, yellow. 

 Plant dries black. 



2. B. perfoliata, Brown. Smooth ; leaves perfoliate, oval or orbicu- 

 lar, glaucous ; stipules none ; flower axillary, solitary ; legume small, ovate, 

 coriaceous. Dry sandy soil, in the middle districts of Georgia and South Car- 

 olina. May. Stem 2 high. Leaves 2' - 3' long. Flowers small, yellow ; 

 vexillum orbicular, emarginate, shorter than the wings and keel. Ovary and 

 style smooth. 



