76 DICOTYLEDONOUS. 



pressed, stipitate. Seeds o\3.\,tesia. crustaceous. Trees- with 

 pinnate leaves, and generally spiny branches. 



1. G. Triacanthos. a lar^e tree, wood hard, generally bearing compound 

 spines. Leaves pinnate ; leaflets lanceolate-oblong, glabrous, slisjhtly crenu- 

 late near the summit. Flowers in axillary racemes. Legumes falcate, 12-14 

 inches Ions:, slightly twisted, mucronate, many seeded. The spaces between 

 the cells of the seed filled with asvveet pulp. Honey Locust. Sweet locust. 



Greenish. \i. May. In rich soils. 50-60 feet. 



2. G. MoNosPERMA. A tree armed on the trunk and branches with spines. 

 Leaves equally and compoundly pinnate ; leaflets numerous, glabrous, small 

 oval. Flowers in small, axillary racemes. Legumes oval, compressed, des- 

 titute of pulp, 1-seeded. 



Greenish. T^. July. Middle Car. &, Ga., in swamps. 40-50 feet. 



Sub-Order TI. MIMOSE^. 



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 bi-pinnate. 



Genus XL. MIMOSA. 



Flowers polygamous. Calyx 4-5-toothed, or entire, urce- 

 olate. Petals 4-5, united into a somewhat campanulate co- 

 rolla with a 4-5-cleft border. Stamens 4-15, exserted, insert- 

 ed into the base of the corolla, sometimes monodelphoiis at 

 the base, but generally distinct. Herbaceous plant. Flowers 

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



1. M. Strtgillosa. Stem \)roB\xn\e, difl'use, slightly prickly. jLea?;e5 pin- 

 nate, 10-15 pairs, leaflets oblong-linear, glabrous, with the under surface some- 

 times slrigose, falcate. Flowers \n heads on long peduncles. Legumes 1-3 

 jointed, when more than one jointed oblong, when 1-jointed ovate. 

 Rose color. %■ July — Aug. Florida, Louisiana. 



Gents XLL SCHRANKIA. 



Flowers polygamous. Calijx 5-toothed, minute. Petals 

 5, united into a Infundibuliform corolla. Stamens 8-12 dis- 

 tinct or monodelphous. Legume 1. celled, many seeded, 4. 

 valved. Prickly, herbaceous plants, with bipinnale, sensitive 

 leaves. Floivers in spherical heads, on axillary peduncles. 



1. S. Uncinata. iS/eTO procumbent, or running over other objects, groov- 

 ed or angled. Leaflets numerous, ohlon^-oval, retifulated beneath. Flowers 

 generally in solitary heads, peduncles axillary. Legumes rugose, acuminate, 

 oblong-linear, somewhat 4-sided, or terete. Seer/s elipiical. 

 Rose color. %. May — July. Common. 1-4 feet. 



Remarks. Abpautiful plant when cultivated and trained, its sensitive leaves and 

 beautiful headsof pink flowers, distinEruish it as a subject of altenlion. Its abundance, 

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

 from the hand of the florist. 



