296 ORDER XLIII. LEGUMmOS^. 



ous, glabrous, small, oval. Flowers in small, axillary racemes. Legumes 

 oval, compressed, destitute of pulp, 1-seeded. — Greenish. "^ . July. 

 Mid. Car. and Geo., in swamps. 40 — 50 feet. Water Locust. 



Sub-order II.— MIMO'SE^. 



Sepals and petals regular, the latter hypogynous. Stamens 

 as many as the petals, or numerous ; inserted into the base of 

 the corolla. Leaves pinnate or bipinnate. 



Genus XLYIIL— MIMO'SA. Adans. 15—10. 

 (Greek mimes, a mimic ; the leaves of some species mimic animal sensibility.) 



Flowers polygamous. CqIt/x 4 — 5-toothed, or entire, urceo- 

 late. Petals 4 — 5, united into a somewhat campanulate corolla 

 with a 4 — 5-cleft border. Stamens 4 — 15, exserted, inserted 

 into the base of the corolla, sometimes monadelphous at the 

 base, but generally distinct. Herbaceous plants. Floioers in 

 globose heads, rose-color. Leaves pinnate, sensitive. 



1. M. STRiGiLLo'sA, (T. & G.) Stem prostrate, diffuse, slightly prietly, 

 Xeaves pinnate, 10 — 15 pairs; leaflets oblong-linear, glabrous, with the 

 under surface sometimes strigose, falcate. Flowers in heads, on long 

 peduncles. Legumes 1 — 3-jointed, when more than 1-jointed oblong, 

 when 1-jointed ovate, — Rose-color, y. July — Aug. Flor,, Louisiana, 



Genus XLIX.— SCHRANK'IA. Willd. 15—10. 

 (In honor of Schrank, a German botanist.) 



Flowers polygamous. Calyx 5-toothed, minute. Petals 5, 

 united into an infundibuliform corolla. Stamens 8 — 12, dis- 

 tinct or monadelphous. Legume 1-celled, many-seeded, 4- 

 valved. Prickly, herbaceous plants, with bipinnate, sensitive 

 leaves. Floiuers in spherical heads, on axillary peduncles. 



1. S. ukcixa'ta, (Willd.) Stem procumbent, or running over other 

 objects, armed with uncinate prickles, grooved or angled. Leaflets nu- 

 merous, oblong-oval, reticulated beneath. Flowers generally in solitary 

 heads, peduncles axillary. Legumes rugose, acuminate, oblong-linear, 

 somewhat 4-sided, or terete. Seeds elliptical. — Rose-color. If. May 

 — July. Common. 1 — 4 feet. 



A beautiful plant when cultivated and trained ; its sensitive leaves and beautiful 

 heads of pink flowers, distinguish it as a subject of attention. Its abundance, however 

 prevents that care being bestowed upon it, which it would otherwise receive from 

 the hand of the florist. 



Genus L.— DARLINGTO'NIA. D. C. 15—5. 

 (In honor of Dr. Darlington of Penn.) 



Flowers perfect. Calyx campanulate, 5-toothed. Petals 5> 

 distinct. Stamens 5, distinct. Legume lanceolate, compressed, 

 4 — 6 -seeded. 



