72 University of Texas Bulletin 



Diapedium brachiatum Kuntze. (Dicliptera brachiata Spreng.) 

 Moist woods. 

 Southeastern states. 



Ruellia Drummondiana A. Gray. 



Dry ground. Less common than the following species and with 

 smaller flowers. 



Texas. 



Ruellia tuberosa L. Wild Petunia. 



Very common in dry ground. Blooming in the summer and fall. 

 Abundant on the University campus. With large, purple-blue 

 flowers. 



Texas and tropical America. 



Siphonoalossa Pilosella Torr. 

 Texas to Mexico. 



PINGUICULACEAE (LENTIBULARIACEAE) Bladderwort Family 



Utricularia subulata L. Bladderwort. 



A very delicate almost thread-like plant rooting in the mud and 

 floating in the water at Barton Spring. Rare. 



Atlantic and Gulf states and tropical America. 



BIGNONIACEAE Trumpet-creeper Family 



Campsis radicans Seem. (Tecoma radicans DC.) Trumpet Creeper. 

 Moist woods of flood plains. Not abundant here. A climbing vine 

 with large orange-red, trumpet shaped flowers. Often planted in 

 yards. Abundant in moist woods in the southeastern states. Com- 

 mon in east Texas. 



MARTYNIACEAE Unicorn-plant Family (Under PEDALIACEAE) 



Martynia Louisiana Mill. Unicorn plant. Devil's Claws. Ram's 

 horn. 



River flood plain. The pod is several inches long and has a 

 slender, hooked beak. 



Eastern United States. 



PLANTAGINALES 

 PLANTAGINACEAE Plantain Family 



Plantago aristata Michx. Plantain. 



Dry, onen pround. Not common here, but abundant on uplands in 

 other parts of the state. 



Plains and prairie states, and spreading Eastward. 



