ORDER XLni. LEGUMINOS^E. 281 



often slightly cuneate, mucronate, silky-pubeseent ; petiole villous. 

 Flowers on long peduncles, opposite the leaves, bearing but few flower?, 

 4 — 5. Calyx hispid. Vexillum hairy on the outer surface. Legume 

 compressed, hispid. — Purplish-red. If. June — Sept. Common iu [ ine 

 woods. 10—15 inches. T. spicata, T. & G. 



3. T. iiispidu'la, (Pursh.) Stem erect, much divided, dichotomous, 

 slightly pubescent Leaflets numerous, 11 — IT, elliptical-oblong, mucro- 

 nate, glabrous on the upper surface, hirsute on the lower, slightly re- 

 tuse. Racemes as long as the leaves, few-flowered, opposite the leaves. 

 Calyx very villous; segments expanded. Legume straight, mucronate, 

 somewhat hispid. Seeds reniform, compressed, spotted. — Pale red. If. 

 May — Aug. Dry soils. Common. 10 — IS inches. 



4. T. chrysophyl'la, (Pursh.) Stem prostrate, pubescent, dichoto- 

 mous. Lcavts nearly sessile, with 5 — 9 leaflets, cuneate-obovate, obtuse, 

 coriaceous, smooth above, silky hirsute beneath. Peduncles longer than 

 the leaves, few-flowered, slightly compressed. Legume linear, 8 — 10- 

 seeded. — Reddish-purple. 2f. May — Aug. Common around Savan- 

 nah; found in middle Georgia and Florida. 10 — 12 inches. 



Genus XXII. — GLYCYRRHFZA. Tourn. 16—10. 

 (From the Greek glukus, sweet, and rhiza, root.) 



Calyx tubular, gibbous, without bracteoles, bilabiate, 5-cleft. 

 Vexillum straight, ovate-lanceolate. Legume ovate, compressed, 

 1 — 4-seeded. Leaves unequally pinnate. 



1. G. lepido'ta. Roots long, creeping. Leaflets oblong-lanceolate, 

 acute, with glandular scales beneath. Legumes covered with hooked 

 bristles, 2 — 6-seeded. — Whitish. Missouri. 2 — 5 feet. Liquorice. 



Gexus XXIIL— IXDIGOF'ERA. L. 16—10. 

 (From indigo, a blue dye-stin% andfero, to bear.) 



Calyx 5-cleft, expanding, minute, subulate. Vexillum nearly- 

 round, emarginate. Keel with a spur on each side. Stamens 

 diadelphous. Style filiform, glabrous. Legume 1 or many 

 seeded. 



1. I. Carolinia'na, (Walt.) Stem erect, branching, glabrous, striate. 

 Leaves unequallv pinnate. Leaflets 5 — 6 pairs, mucronate, oval-oblong, 

 slightly pubescent, glaucous underneath. Flowers in slender axillary 

 racemes, a bract at the base of each pedicel. Calyx small, with 5 sub- 

 ulate teeth, pubescent. Keel longer than the vexillum. Legume short, 

 pointed with the style. — Yellowish brown. If. July — Sept. Foot- 

 soils. 3 — T feet. Indigo Plant. 



2. I. ili'iosep'ai.a. (Xutt.) Stem decumbent, rough. Leaves une- 

 qually pinnate. Leaflets 7 — 9, obovate-oblong, nearly glabrous on the 

 upper surface. Flowers in racemes longer than the leaves, near 



sile. Segments of the calvx equal subulate. Legumes reflexed, linear, 

 nearly terete, 6 — 7-seeded, pubescent, terminated by the style. — Pale 

 scarlet. 2f . Georgia. 2 — 3 feet. 



