86 LEGUMINOS^.. (PL'LSE FAMILY.) 



lobes of the caruncle subulate, varying in length ; seeds hairy ; radical spikes 

 bracted. — Mountains of Georgia and northward. May. — Stems 4' -6' high, 

 from a long prostrate base. Flowers %' long, purple. 



Order 46. KRAMERIACEiE. (Riiatany Family.) 



Silky-pubescent herbs or shrubs, with diffuse stems, alternate leaves, and 

 irregular hypogynous purplish flowers, on axillary 2-bracted and jointed 

 peduncles. — Sepals 5, colored, deciduous. Petals 5, shorter than the 

 sepals ; the 3 posterior ones, long-clawed, often united ; the 2 anterior 

 broad, sessile and fleshy. Stamens 4, the posterior ones distinct or united. 

 Anthers 2-cellcd, opening by a terminal pore. Ovary 1-celled, 2-ovuled. 

 Fruit 1-seeded, woody, indehiscent, armed with his2:)id prickles. Albumen 

 none. Radicle concealed in the cotyledons. 



1. KRAMERIA, Locfl. 

 Characters of the order. 



1. K. lanceolata, Torr. Herbaceous; stems slender, prostrate, mostly 

 branching ; leaves lanceolate or linear, acute ; peduncles longer than the leaves, 

 leafy -bracted above the middle ; claws of the posterior petals, and stamens, 

 united ; fruit globose, downy, ai-mcd with few strong spreading spines. — Tampa 

 Bay, South Florida, and westward. — Root long and woody. Stems 1 ° long. 



Order 47. I^EGUMINOSA:. (Pulse Family.) 



Herbs, shrubs, or trees, with chiefly compound alternate stipulate leaves, 

 and papilionaceous or regular perigynous or hypogynous flowers. — Sepals 

 5, more or less united. Petals 5, rarely fewer, or none. Stamens mona- 

 dclphous, diadeljihous, or distinct. Ovary simple, free, forming a legume 

 in fruit. Seeds without albumen. Leaves almost always with entire mar- 

 gins. 



Synopsis. 



Suborder I. PAPILIONACE^. Corolla of 5 (rarely fewer) in-eg- 

 ular petals, inserted into the base of the calyx, rarely perigynous, imbri- 

 cated in the bud, mostly papilionaceous ; viz. one upper and exterior, 

 termed the vexillum or standard; Uvo lateral, called tvings ; and two lower 

 and interior, oftener united by their contiguous margins, forming together 

 the keel. Stamens 10 (rarely 5), separate, monadelphous, or diadelphous 

 (9 & 1, or 5 & 5). Legume 1-celled (sometimes partly 2-celled by the in- 

 troversion of the sutures), or several-celled by transverse partitions. Style 

 simple. Cotyledons thick. 



Tribe I. LOTE.E. Corolla papilionaceous. Stamens 10 (except No. 8). Legume con- 

 tinuous (not jointed). Cotyledons leafy in germination. — Stems (except No. 12) not 

 twining, nor climbing. 



