Seed Plants, Ferns, Fern Allies of the Austin Region 33 



Lesquerella recurvata S. Wats. Bladder-pod. 



Common everywhere in exposed places, dry hillsides, roadsides, 

 and open woods. Our most common species. 



Texas. 



Roripa Nasturtium Rusby. (Nasturtium officinale R. Br.) Water 

 Cress. 



Abundant in Barton Creek and other streams. 

 Naturalized from Europe and widely distributed in this country. 



Roripa abtusa Brit. 

 Found near the river. 

 Widely distributed. 



Sophia mille folia Rybd. 

 Waste ground, roadsides. 

 Kentucky to Texas. 



Sisymbrium canescens var. brachycarpa Watt. (S. brachycarpa 

 Richards. 

 Waste places. 

 Southeastern states. 



Streptanthus bracteatus A. Gray. 

 Dry soil. 

 Southwest Texas. 



Streptanthus platy carpus A. Gray. 

 River flood plain. 

 Texas and Mexico. 



CAPPARIDACEAE Caper Family 



Polanisia gravoeolens Raf. Clammy Weed. 



Dry, waste ground. A homely weed with a heavy, disagreeable 

 odor. Very similar to the following species. 



Northern states. 



Polanisia trachysperma T. & G. Clammy Weed. 



Dry waste ground — a very common weed. Illscented. 

 Central and west central states. 



