ORDER XLIII. — LKGUMINOS.E. 275 



Genus VII.—DO'LICHOS. L. 16—10. 

 (From the Greek dolichos, long, from the length of the vines.) 



Calt/x bilabiate, the upper lip generally 2-cleft, seldom en- 

 tire ; lower lip 3-cleft or 3-tootliecl. Vcxillum with 2 — 4 callos- 

 ities near the base of the limb. /S^y/es cylindric. Legume cova- 

 pressed, few-seeded. Seeds oval, compressed. Hihim oval. 



1. D. multiflo'rus, (T. <fe G.) Stem retrorsely ptibescent, twining. 

 Leaves ternate, large ; leaflets nearly orbicular, abruptly acuminate, 

 pubescent when young, nearly glabrous when old. Floioers numerous 

 in elongated racemes, peduncles axillary, pedicels fasciculate, upper lip 

 of the calyx generally entire, middle division of the lower lip longest, 

 lanceolate, lateral ones short. Legume compressed, obtuse, 4-seeded, 

 6'eec? oval, separated by partitions. — Purple. If. June — July. On the 

 banks of the Oconee and Ocmulgee. 6 — 12 feet. 



Genus VIIL— ERYTHRI'NA. L. 1G— 10. 

 (From the Greek eruthros, red ; the color of the flower8.) 



Cali/x cylindrical, truncate or bilabiate, 2-lobed. Corolla 

 with a very long, lanceolate vexillum, destitute of callosities; 

 wings and keel small. Stamens unequal, straight, usually dia- 

 delphous, as long as the vexillum. Style straight, glabrous. 

 Legume torulose, stipitate, many-seeded, compressed between 

 the seeds. Herbaceous plants, with trifoliate leaves. 



1. E. herba'cea, (L.) Stems glabrous, arising from a cormus, some 

 what prickly. Leaven trifoliate, leaflets glabrous, rhomboidal, sometimea 

 almost hastately lobed. Floivem in terminal spikes, very long. Sta- 

 mens monadelphous at the base, diadelphovis above. Seeds bright scar- 

 let. — Scarlet. 2^. March — May. In rich soils. Mid. Geo. 2 — 4 ft. 



Genus IX.— A'PIOS. Boer. 16—10. 

 (From apion, a pear; the shape of the tubers.) 



Cabjx somewhat bilabiate, the upper lip with 2 short round- 

 ed teeth, the lower with 3 teeth, the middle tooth lanceolate, 

 subulate, the lateral ones very minute. Vexillum reflected ; 

 keel falcate. Legume coriaceous many-seeded, slightly falcate, 

 nearly terete. 



1. A. TU8ERo's.\, (Moen.) Root tuberous. Stem climbing, covering 

 small shrubs with its fi)liage, slightly pubescent. Leaves unequally pin- 

 nate, 5 — 7 leaflets, ovate-lanceolate, acute, sprinkled with hairs. Ra- 

 cemes axillary, many-flowered. Cahix with the upper lip usually trun- 

 cate, lower one with 1 lanceolate tooth, the lateral ones very small or 

 none. Seeds reniform.— Brown. 2^. July— Aug. Damp rich soila 

 Common. 



Genus X.— WISTA'RIA. Nutt. 10-10. 

 (In honor of Dr. Wi?*^ar, of Penn.) 



Calyx campanulate, bilabiate, the upper lip truncate, the 



