The Trees of Texas 



157 



Leaves opposite or alternate, deciduous, linear, 6'-12' long, 

 %'-%' wide. Flowers large, showy, in terminal clusters, 

 opening for several months in succession; corolla white tinged 

 with yellow and purple. Fruit a dry thin walled elongated 

 capsule 7'-12' %' thick, persistent on the branches through 

 the winter, seeds winged. 



In dry soils western Texas, southern New Mexico, Arizona, 

 Utah, Nevada, California and Mexico. Frequently planted 

 in out 1 - area for ornament. 



RUBIACEAE B. Jussien. The Madder Family. 

 Cephalanthus L. 



Cephalanthus occidentalis L. Button Bush. A shrub or 

 small tree reaching a height of 40-50 and trunk diameter 

 of one foot, but usually smaller, with gray brown bark, and 

 stout pithy twigs. Leaves simple, opposite or whorled, ovate 

 or lanceolate, 4'-7' long, I'-S^' wide, pointed at the apex, 

 smooth above, somewhat hairy beneath. Flowers perfect in 

 axial or terminal globose heads. Fruit a globose head %'-!' in 

 diameter. 



In swamps and low borders of ponds and streams, New 

 Brunswick, Ontario, Nebraska, Kansas, Florida, Texas, New 

 Mexico and Arizona. Occasionally planted for ornament. 



CAPRIFOLIACEAE Ventenat. Honeysuckle Family. 



Trees with opposite simple or compound leaves, cymose 

 flowers, and drupaceous fruit. 



Leaves pinnate-ly compound 1. Sambucus. 



Leaves simple 2. Viburnum. 



SAMBUCUS (Tournefort) L. The Elders. 



1. Sambucus Mexicana Presl. Mexican Elder. A small 

 tree 25-30 high with light brown, scaly bark and greenish, 

 hairy twigs which are finally brownish-red. Leaves opposite, 

 unequally pinnate, leaflets usually 5, ovate to ovate-lanceo- 

 late, pointed at the apex, toothed, hairy when young and al- 



