Order 46.— LEGUMINOUS PLANTS. 



1S9 



p Lvs. pinn'ly 3-fol., stipellate. Pod 3-7-jointed. Tick Trefuil. Desmo'dium. 



p Lvs. pinn'ly 3-fol. Stipcls none. Pod 1-jointed. Biuh Trefoil. Lespede''za, 



q Leaves palmately 4-foliate. Stamens all united. Zou'nia. 



q Loaves pinnate, 7-49- foliate. Stamens 9 united. iEscHYNOM^KXE. 



Leaves pinnately 3-foliate. Pod slender at base. Stylosan'thes. 



Leaves pinnately 4-foliato. Pod ffibbous at base. Peanut. Ak'achis. 



r Leaflets serrate. Pods 2-8ecded. Chick Pea. Cicek. 



r Leaflets entire. Style grooved outside, hairy inside. Pea. Pisum. 



r Leaflets entire. Style flattened, hairy most inside. Sweet Pea. LATn^YRUs. 



r Leaflets entire. Style filiform, hairy most outside. Vetch. Vic'ia. 



s Pod legume flat and thin, short-stiped. Lvs, pinnate. Tree. S.W. Cladas'tris. 

 8 Pod inflated, stipitate (stalked at base). Lvs. 1-3-foliate. Baptis'ia. 



t Fls. perfect, purple, papilionaceous. Tree. Lvs. simple. Judas-tree. Cercis. 



t Fls. perfect, yellow. Lvs. equally pinnate. Senna. Cassia. 



t Fls. imperfect, green. Sta. 5. Trees thorny. Honey Locust. Gledits''chia. 



t Fls. imp., greenish. St. 10. Trees unarmed. Ky. Coffee-tree. Gymnoc'ladus. 

 u Pods flat, jointed between the seeds. Shrubby. Sensitive Plant. Mimo'sa. 

 u Pods prickly, 4-sided, 4-valved. Sensitive Brier. Schran'kia. 



u Pods smooth, turgid, filled with pulp. Tree. S. Sponge-tree. Vachel'lia. 

 u Pods smooth, flat, dry. Petals distinct. Stara. 5-10. Herbs. Desman'thus. 

 u Pods smooth, flat, dry. Petals united. Stam. 8-200. S. Julibrassin. Aca'cia. 



10 



1. PHASE'OLUS. Bean, &c. 



Calyx 5-toothe(l or cleft, the 2 

 upper teeth half united. Keel in- 

 cluding the stamens and style, and 

 with them spirally coiled or twisted. 

 Legume straight or curved, many- 

 seeded. Seeds oblong, kidney- 

 shaped. — Herbs twining or trailing. 

 Leaves pinnately trifoliate, stipellate. 

 June-Oct, 



Native species, growing in fields and 



woods... .a 

 Exotic species, growing only by culti- 

 vation b 



a Flowers racemed. Pods curved . . . 



Fig. 446. Section of flower of the Dean, 

 showing the spirally coiled stamens and styles, 

 the simple ovary, kc. 



a Flowers 1 or few in a head. 



b Stems climbing .5-7 



b Stems erect, bushy 8 



Pods straight. . .2-4 



