88 Tennessek Flora. 



LESQUERELLA S. Watson. 



Lesquerella globosa ( Dew.) S. \\'atson. Vesicaria Shortii 

 Torr. & Gray. Risino- Sun Bluff, fourteen miles below Nash- 

 ville, on Cumberland River. April. May. 



L. Lescurii A. Gray. Covering whole fields and glades in 

 the vicinity of Nashville. April, May. 



BURSA Weber. (Capsella Med.) 



Bursa Bursa-pastoris (L.) Britton. Thlaspi Bursa-pastoris 

 L. Shepherd's purse. A common weed in fields and waste 

 places. O. S. March-November. M. 



CAMELINA Crantz. 



Camelina sativa (L.) Crantz. False flax. Naturalized 

 from Europe, where it is cultivated for the fine oil yielded by 

 its seed. Scatteringly O. S. 



DRABA L. 



Draba verna L. \Miitlaw grass. In fields and pastures. 

 O. S. February-May. 



D. Caroliniana Walt. Glades of M. Tenn. February-April. 



D. ramosissima Desv. Clififs on Ocoee River, Polk County. 

 A'Vith Saxifraga Tennessiensis. April. May. 



D, brachycarpa Nutt. Cedar glades of M. Tenn. March, 

 April. 



SOPHIA Adans. 



Sophia Sophia (L.) Britton. Sisymbrium Sophia L. In 

 fields and gardens. Naturalized from Europe. June, July. 



S. pinnata (Walt.) Britton. Sisymbrium canescens Nutt. 

 Knoxville. A. Ruth. 



STENOPHRAGMA Celak. (Sisymbrium Gray.) 



Stenophragma Thaliana ( L.) Celak. Sisymbrium Thaliana 

 Gay. Fields. O. S. Frequent in vicinity of Nashville. In- 

 troduced from Europe. April. 



ARABIS L. 



Arabis Virginica (L.) Trelease. A. Ludoviciana Meyer. 

 Rock cress. Fields and pastures. O. S. March-May. 



A. lyrata L. Rocky lands. O. S. Nashville. Banks of 

 Cumberland River. Knoxville. A. Ruth. 



A. dentata Torr. & Gray. Woodlands. O. S. April-June. 



A. patens Sulliv. Bluffs on Ocoee River. Knoxville. A. 

 Ruth. 



