120 Bulletin of the University of Texas 
bipinnate, rachis winged, leaflets numerous, small, rather far 
apart. Flowers large and showy, bright yellow, in slender 
upright racemes. Fruit a cylindrical few seeded pod, con- 
tracted between the seeds, pointed at base and apex. In the 
Rio Grande Valley and extending into Mexico. It has been 
extensively naturalized throughout the southern part of Texas 
and is planted for ornament. 
CERCIDIUM Tulasne. 
1. Cercidium floridum Benth. A low wide topped tree 
15°-20° high with short, crooked trunk, green bark and axil- 
lary spines. Leaves evenly bipinnate, pinnae 1 pair bearing 
2-4 pairs of small glandular leaflets. Flowers appearing with 
the leaves and produced for several months in successive 
crops, rather large, golden yellow, in 3 to 5 flowered racemes. 
Fruit a flat, straight, dehiscent, 2 to 3 seeded pod, constricted 
between the seeds. 
Southern Texas and adjacent Mexico. 
The wood is soft, close grained, used for fuel. 
GLEDITSIA (Clayton) L. The Honey Locusts. 
Trees with. alternate, equally bipinnate or once pinnate 
leaves; small, greenish, polygamous flowers in slender axillary 
clusters; simple or branched axillary spines, aud elongated or 
oval pods. 
Pod oval or elliptie-with- lor. 2 seeds:.2.- 3. =... sa.cn 1. G. aquatica. 
Pod elongated 8 to 12 inches, many seeded......... 2. G. triacanthos. 
Pod elongated 4 to 5 inches, many seeded......... 3. G. Texana. 
1. Gleditsia aquatica Marsh. Water Honey Locust. <A 
medium sized, wide topped tree 50°-60° high with short trunk, 
stout branches, reddish brown, fissured bark and _ straight 
spines which are usually only slightly branched. Leaves once 
or twice pinnate, pinnae 3 or 4 pairs, leaflets 4 to 12 pairs. 
Flowers 1’ long, 14’-14’ wide, in slender racemes after the 
leaves. Fruit an obliquely oval 1 or 2 seeded pod. 
In swampy places North Carolina, Florida west to Indiana, 
Arkansas and Texas. The wood is heavy, hard and strong. 
Tree sometimes planted for ornament. 
