The Trees of Texas 123 
cemes. Fruit a black, shining, indehiscent pod constricted 
between the seeds. 
On lmestone hills, valley of the Arkansas River to the San 
Antonio and westward to the upper Colorado River. 
2. Scphora secundifiora Dec. Evergreen Coral Bean. 
Mountain Laurel. A small narrow topped tree 15°-20° or a 
shrub with upright branches, and velvety twigs which become 
smooth with age. Leaves evenly pinnate, persistent, leaflets 
leathery 7 to 13. Flowers in terminl racemes, violet blue, fra- 
grant. Fruit a hard, woody, indehiscent pod mucin constricted 
between the seeds. 
Matagorda Bay to New Mexico and Mexico. Common on 
limestone cliffs. Planted for ornament. 
ROBINIA L. The Locusts. 
Trees or shrubs with alternate unequally pinnate leaves, 
prickly spines, flowers in drooping axillary racemes, and fat 
dehiscent pods, winged on one edge. 
ED Se, OLE ag be epee en, ae ee a Ee 1. R. Pseudacacia. 
PE EFOSC POIOLES 35 a). as oe ee ees os ees eee 2. R. Neo Mexicana. 
1. Robinia pseudceacia L. Locust. A rather large, slen- 
der tree 70°-80° nigh with ascending branches, and, deeply 
furrowed, reddish brown bark. Leaves unequally pinnate, 
leaflets 7-19. Flowers in loose racemes, white with a yellow 
spot on the standard, fragrant. Fruit a dehiscent, slightly 
curved, reddish brown, flat pod. 
An eastern tree introduced into our area. 
2. Robinia Neo Mexicana Gray. New Mexico Locust. A 
small tree or shrub 20°-25° high with ascending branches, thin, 
scaly bark and almost straight spines. Leaves unequally pin- 
nate, leaflets 10 to 15. Flowers in rather dense axillary ra- 
cemes, rose colored. Fruit a dehiscent flat, leathery, light 
brown pod. 
New Mexico, Arizona, Colorado and extending in Texas to 
the Pecos River Valley. 
