Order 46.— LEGUMINOUS PLANTS. 



189 



p Lvs. pinn'ly 3-fol., stipellate. Pod 3-7-jointed. Tlch Trefoil. Desmo'didm. 



P Lvs. pinn'ly 3-fol. Stipela none. Pod 1-jointed. Smh Trefoil. Lespede'ja. 

 q. Leaves palmately 4-foUat6. Stamens all united. Zoe'nia. 



q Leaves pinnate, 7-49-foliate. Stamens 9 united. jEaoHYiroM'Eins. 



q. Leaves pinnately 3-foliate. Pod slender at base. Sttlosaw'this. 



1 Leaves pinnately i-foliate. Pod gibbous at base. Feanut. Ak'aohis. 



r Leaflets serrate. Pods 2-3eeded. ChAek Pea. Cioek. 



- Leaflets entire. Style grooved oiitside, hairy inside. Pea. Pisdm. 



r Leaflets entire. Style flattened, hairy most inside. Sweet Pea. Latu'trtjs. 



r Leaflets entire. Style filiform, hairy most outside. Vetch. Vioi'a. 



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

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



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



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



t Fla. imperfect, green. Sta. 5. Trees thorny. Honey Locust. Giedits'ohia. 



t Pis. imp., greenish. St. 10. Trees unarmed. Ky. Goffee-tree. Gtmnoo'ladus. 

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

 u Pods prickly, 4-sided, 4-vaIved. Sensitive Brier. Schkan'kia. 



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

 » Pods smooth, flat, dry. Petals distinct. Stam. 5-10. "Herbs. Desmak'thds. 

 u Pods smooth, flat, dry. Petals united. Stam. 8-200. S. Julibrassm. Aoa'oia. 



10 



1. PHASE'OLUS. Bean, &c. 



Oalyx 5-tootlied or cleft, the 2 

 upper teeth half tmited. Eeel 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 1 



a Flowei-s 1 or few in a head. Pods straight 2-4 



b Stems climbing. . . .5-7 



b Stems erect, bushy 8 



Fig. 446. Section of flower of the Bean, 

 showing the spirally coiled stamens and style, 

 the simple ovary, &c. 



