LKOUlUNOSyK. (I'ULSK FAillLV.) 97 



15. GLOTTIDIUM, Dosv. 



Calyx campamiliitc, obliquely truiuati-, 5 toothed. Vcxillum short, leniforir.. 

 Stamens diaik-lphous (9 & 1). Style short, incurved at the apex. Sligma 

 acute. Legume oblong, stipitate, compressed ; the membranafcous endocarp 

 at length separating from the coriaceous epiearp, and enclosing the two oolong 

 seeds. — A tall smuoth-brancliing amuial, with abrujitly pinnate leaves, and yel- 

 low flowers in a.\illary often conijjound racemes. 



I. G. rioridanum, DC. (Seshania vesiearia, Sj>ren(j.) — Damp sol!, 

 Florida to iSouth Carolina, and westward. August. — Stem 2° - 8° iiij;,h. Lc.if- 

 lets numerous, oblong-linear. Legume 1'- 2' long, riant yellowish-green. 



16. SESBANIA, Ters. 



Calyx 2-bracted, campanulate, equally 5-toothed. Vexillum roundisli. Keel 

 obtuse. Stamens diadelphous (9 & 1) ; the tube toothed at the base. Legume 

 slender, elongated, knotted. — Herbs or shrub.s. Leaves abruptly pinnate. Leaf- 

 lets numerous. Flowers yellow* or reddish, in axillary racemes. 



1. S. maerocarpa, Muhl. Annual, smooth ; leaflets oblong-liiioar, ob- 

 tuse, mucronate ; racemes shorter than the leaves, 1 -4-flowered ; kgume curved, 

 compressed, 4-sided, many-seeded. — Swamps, Florida to South Carolina, and 

 westward. August and September. — Stem 5° -12° high. Legume S'-l^' 

 long, pendulous. Flowers yellow and red, dotted with purple. 



17. ASTRAGALUS, L. Milk-Vetch. 



Calyx .'j-toothcd ; the 2 npjier teeth separated. Vexillum as lung as tlie wings 

 and obtuse keel. Stamens 10, diadelphous. Legume commonly turgid, few - 

 many-seedcfl, usually partly or completely 2-celled by the introversion of one or 

 both of the sutures. — Herbs with unequally jjinnate leaves, and axillary s])iked 

 or racemose flowers. 



* Legume partly or completel/j 2-celled by the introversion of the dorsal suture. 



1. A. Canadensis, L. Tall, pubescent i leaflets 21 -31, oblong, obtuse ; 

 .stipules ovate, cla>ping ; peduncles as long as the leaves, closely many-flowered ; 

 calyx-teeth subulate; legume inflated, oval, terete, 2-celled. — Mountains of 

 Georgia and North Carolina, and northward. June-August. IJ. — Stem 2°-3° 

 high. Leaflets l'-l|' long. Flowers |' long, pale yellow. 



2. A. glaber, Mirhx. Stem tall, nearly smooth; leaflets 1 5 - 2.'), oblong- 

 linear, pubescent beneath ; stipules minute, spreading ; spikes longer than the 

 leaves, loosely tnany-flowercd ; calyx-teeth broad and short ; legume curved, ob- 

 long, flattened edgewise, 2-celled. — Dry ])ine barrens, Florida to North Caro- 

 lina. April, y. — Stem 2° high. Leaflets 6" - 8" long. Flowers white. 



3. A. Obcordatus, Ell. Smoothish ; stems prostrate ; leaflets small, 

 17-25, obcordate ; peduncles as long as the leaves, loosely 8 - 1 .'> flowered ; 

 legumes crescent-shaped, compressed, veiny, partly 2-eelU'd. — Drv sandy bar- 

 rens, Florida, and the lower parts of Georgia. April- June, li — Stciuj G'-12' 

 long. Leaflets 3" - 4" long. Flowers pale purple. 



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