Seed Plants, Ferns, Fern Allies of the Austin Region 37 



FABACEAE (LEGUMINOSAE) Pea Family 



Amorpha fruticosa L. False Indigo. 



Along streams. A tall shrub with small, dark, purple flowers in 

 large clusters. Growing close to the water at Barton Springs. 



Southeastern states. 



Amorpha texana Buckl. Fake Indigo. 

 Bull Creek region. 

 East Texas. 



Astragalus reflexus T. & G. 



Abundant in dry ground, University campus, etc. 

 Texas. 



Astragalus Wrightii AG. 



Abundant in dry soil. University campus. 

 Texas. 



Clitoria mariana L. Butterfly Pea. 



A showy plant with large solitary flowers. The large standard 

 of the corolla is striped with purple, the keel shorter than the wings. 

 The leaves are 3-foliate. 



Occasional in the postoak woods. 



Daubentonia longifolia D.C. (Sesbania Cavanillesii Wats.) Rattle 

 Box. Rattle Bush. 



Low open ground. Flood plain of the river. A shrub easily 

 recognized by its flat four-sided and four-winged pods. 



Mexico and the Gulf States. 



Dolicholus texensis Vail. (Rhynchosia texana Torr. & Gray.) 

 Dry grounds. University campus. 

 Texas to Arizona and in Northern Mexico. 



Eysenhardtia amorphoides HBK. Rock-brush. 



In dry woods and exposed hillsides. Abundant on the lower slopes 

 in the Edwards Plateau. A low bush easily identified by its dis- 

 agreeable odor when bruised. 



Texas and Mexico. 



Geoprumnon crassicarpum Rydb. (Astragalus crassicarpus Nutt.) 

 Ground Plum. 



Dry slopes of the Edwards Plateau. A prostrate plant with a 

 large fleshy, plum-like pod. 



Western plains and prairies. 



