74 University of Texas Bulletin 



Galium virgatum Nutt. Bedstraw. 



Common in dry woods. Similar to the preceding, the leaves in 

 fours. 



Southeastern states. 



Houstonia angustifolia Michx. 



Abundant in dry, open ground. University campus. With slender, 

 much-branched stems, narrow leaves and small pink flowers. 



Southern states. 



Houstonia humifusa A. Gray. 



A low, densely tufted annual, with pink flowers similar to H. 

 augustifolia. Found occasionally in dry ground. River flood plain. 



Texas and eastern New Mexico. 



Houstonia subviscosa Gray. 



In low ground along the railroad tracks. Rare. 

 Texas. 



CAPRIFOLIACEAE Honeysuckle Family 



Lonicera albiflora T. & G. Honeysuckle. 

 Common in woods and thickets. 

 Southern central states. 



Nintooa Japonica Sweet. (Lonicera Japonica Thurb.) Japanese 

 Honeysuckle. 



Escaped from gardens and growing wild in waste places. Bank 

 of Waller Creek. 



Native of Eastern Asia. Naturalized in eastern United States. 



Symphoricarpos Symphoricarpos L. Coralberry. 

 Shaded bluffs. Onion Creek. 



Sambucus canadensis L. Elder. 



Occasional in valleys. Bull Creek, Onion Creek, and the Colorado 

 River flood plain. 



Widespread in eastern North America. 



Viburnum prunifolium L. Black Haw. 



In ravines of the Edwards Plateau. Less common than the fol- 

 lowing. 



Widespread in eastern United States. 



