VOLUME XxXxI NUMBER 1 
Bet ANICAL” CGNZETTE 
JANUARY, rgo1r 
NEW OR LITTLE KNOWN NORTH AMERICAN 
TREES. ft. 
CHARLES S. SARGENT. 
Gleditsia Texana, n. sp.— Unarmed. Leaves puberulous, or 
tomentose toward the base of the slender rachis, ultimately becom- 
ing nearly glabrous, 12 to 22-foliolate; leaflets oblong-ovate, 
often somewhat falcate, rounded or acute, and apiculate at the 
apex, obliquely rounded at the base, obscurely crenulate-serrate, 
short-petiolulate, thick and firm, dark green and lustrous on the 
upper surface, pale on the lower surface, % to 1 in. long. 
Staminate flowers orange-yellow, in slender racemes 3 to 4 in. 
long; calyx-lobes ovate, acute, villous, rather shorter than the 
petals; stamens exserted. Pistillate flowers unknown. Legume 
straight, compressed, without pulp, rounded or short-pointed at 
the apex, abruptly rounded at the broad base, thin-walled, dark 
chestnut-brown, puberulous, only slighly thickened on the 
margins, many-seeded, 4 to 5 in. long and 1 in. wide. Seeds 
oval, compressed, dark chestnut-brown and lustrous, nearly % in, 
long. 
A tree 100 to 120 feet in height, with a trunk rarely more 
than 2% feet in diameter covered with pale smooth bark, and 
upright slightly spreading branches. Flowers at the end of 
April. Fruit ripens and falls late in the autumn. 
High rather dry bottom-lands of the Brazos river near 
Brazoria, Texas, in dense woods composed principally of Gie- 
ditsia triacanthos, Platanus occidentalis, and Populus deltoidea. 
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