246 FLORA OF TEXAS. 



leaflets opposite, obovate, obtuse, 3-6-paired ; floivers axil- 

 lary, subsolitary, shortly pedunculate. — A tree,\\\(\i spinose 

 branches, 20-25 feet high and 8-12 inches in diameter; 

 bark of trunk and branches smooth and of a pale green ; 

 branches numerous, forming a dense shade ; legume 4 inches 

 long, 10 lines wide, and 8 lines thick ; seeds large, divided 

 by septa ; sjnnes axillary^ double, stipular, subulate, and 

 small ; flowers yellow, with reddish-brown lines near the 

 base of the limb of the petals. Insects destroyed the em- 

 bryo in our fruiting specimens. Grows on hills near the 

 Gulf, about IJ miles below Corpus Christi, Texas. Dedi- 

 cated to Joshua Hoopes, of West Chester, Pennsylvania, 

 a zealous botanist, who has long studied and admired trees. 



GLEDITSCHIA, L. Honey Locust. 



Flowers polygamous; sepals 3-5, united at the base, 

 spreading ; 2^etcds as many, or less by the union of the 2 lower 

 ones ; stamens 3-5, distinct, inserted with the petal on the 

 base of the calyx; legume stipitate, flat, 1-many-seeded ; 

 seeds compressed. — Thorny ti-ees ; leaves abruptly 1-2-pin- 

 nate, with oblong serrate leaflets; floivers small, greenish, in 

 short spikes. 



G. TRIACANTHUS, L. Leaflets lanceolate-oblong; thorns 

 mostly compound ; legume very long, many-seeded, pulpy 

 within. — A large tree ; legume 12-18' long, 1' wide, twisted. 



G. MOXOSPERMA, Walt. Leaflets oyate or oblong; 

 thorns mostly simple ; legume short, obliquely oval, 

 1-seeded, not pulpy. — A small tree ; legume 1' long. 



MIMOSA FAMILY. Sub-order III., Mimose^, L. 

 MIMOSA, L. Sensitive Plant. 



Flowers polygamous; calyx minute, 4-5-toothed ; petals 

 united into a 4-5-cleft tubular-campauulate corolla; sta- 



