32 University of Texas Bulletin 



Draba cuneifolia Nutt. Whitlow Grass. 



Waste and cultivated ground, lawns, and roadsides. Abundant 

 everywhere. One of the first flowers to bloom in the spring. A low 

 herb with fuzzy leaves and a cluster of small white blossoms. The 

 pods are flattened and oval. 



Illinois to the Gulf States and California. 



Draba platycarpa T. &. G. Whitlow Grass. 



Verly similar to th« preceding species in appearance and haVitat. 

 Abundant everywhere. 



Texas to Arizona. 



Lepidium austrinum Small. Peppergrass. 



Waste places and cultivated ground. Roadsides. 

 Texas. 



Lepidium apetalum Wild. Green-flowered. Peppergrass. 

 Waste places and roadsides. 

 Widespread in North America. 



Lepidium medium Greene. Peppergrass. 



Roadsides and open woods. Very common in the postoak woods. 

 Blooming early and at first very small. 



Widespread in the western half of the continent. 



Lepidium virginicum L. Common Peppergrass. 

 Fields and roadsides. 

 Widely distributed in the central and eastern states and in Mexico. 



Lesquerella densiflora S. Wats. Bladder-pod. 



Dry or moist soil. The Lesqaerellas can be recognized by their 

 spherical pods. 



Texas. 



Lesquerella Engelmannii S. Watts. Bladder-pod. 



Abundant on the dry hillsides of the Edwards Plateau. 

 Kansas to Colorado and Texas. 



Lesquerella gracilis S. Wats. Slender Bladder-pod. 

 Dry soil. 

 Nebraska to Texas. A prairie plant. 



Lesquerella lasiocarpa S. Wats. Bladder-pod. 

 Texas and Mexico. 



Lesquerella grandiflora S. Wats. Large-flowered Bladder-pod. 

 Open ground. Abundant on the river flood plain. 

 Texas. 



