The Trees of Texas 155 



the tree is frequently planted for ornament throughout its 

 range. 



EHRETIA P. Brown. 



Ehretia elliptica De Condolle. Knackaway. A medium 

 sized round topped tree 40 high, 3 in diameter with stout 

 branches, furrowed bark and smooth reddish brown twigs. 

 Leaves oval to oblong, very rough above, leathery, entire mar- 

 gined or toothed, hairy along the veins beneath. Flowers 

 small, white, in clusters, April and later. Fruit subglobose, 

 the size of a pea, with thin juicy edible flesh. Western Texas 

 and northern Mexico. The wood is hard, close grained, but 

 not strong. One of the desirable shade and street trees of its 

 range. 



In river valleys western Texas and Mexico. Extensively 

 planted for shade and ornament. 



RMINANTHACEAE. 



Paulownia Siebold and Zuccarini. 



Paulownia tomentosa (Thurnberg) Boillon. A medium 

 sized tree much resembling catalpa and frequently mistaken 

 for it, but readily distinguishable from it by the fruit. The 

 bark is brown and rough, branches stiff, ascending. Leaves 

 large, entire or three lobed, smooth above, slightly hairy be- 

 neath with two prominent glands at the base. Flowers large, 

 showy, violet, opening before the leaves. Fruit a large leath- 

 ery capsule with winged seed. 



Native of Japan and China but cultivated in our territory 

 and oOinetimes growing spontaneously. 



BIGNONIACEAE Persoon. Trumpet Creeper Family. 



Trees with opposite or alternate leaves, large showy flow- 

 ers in clusters, fruit an elongated capsule, seeds winged. 



Leaves broad, mostly opposite Catalpa. 



Leaves linear, alternate Chilopsis. 



CATALPA Scopoli. The Catalpas. 

 Trees with opposite, simple, broad leaves, large showy 



