DESCURAINIA 
Descurainia pinnata (Walter) Britton, tansy mustard, p. 766 
ssp. brachycarpa (Richardson) Detl. [S: D. pinnata var. 
brachycarpa (Richardson) Fern.] (Detling, 1939; Al- 
Shehbaz, 1988c) 
Ssp. pinnata 
*D. sophia (L.) Webb ex Prantl, flixweed, tansy mustard, p. 768 
DRABA, whitlow wort, whitlow grass 
Draba aprica Beadle, p. 746 : 
D. brachycarpa Nutt. ex Torrey & A. Gray, whitlow grass, 
shortpod draba, p. 744 
D. cuneifolia Nutt. ex Torrey & A. Gray, whitlow grass, wedgeleaf 
taba, p. 746 
var. cuneifolia 
D. reptans (Lam.) Fern., white whitlow wort [S: incl. var. 
micrantha (Nutt.) Fern.; M: incl. var. stellifera (O. 
Schulz) C. Hitchce.] (Al-Shehbaz, 1987), p. 746 
*D. verna L., vernal whitlow grass [M: Erophila verna (L.) Chev.] 
(Al-Shehbaz, 1987), p. 744 
var. boerhaavii H. v. Hall [M: Erophila verna SSP. praecox 
(Steven) Walters] (Al-Shehbaz, 1987) (note that the 
aspe 
infraspecific taxonomy of this species requires further 
study) 
var. vern 
ERUCA 
*Eruca vesicaria (L.) Cav., garden rocket, p. 736 
SSp. sativa (Miller) Thell. [S, G: E. sativa Miller; M: E. 
vesicaria] (Maire, 1965: Al-Shehbaz, 1985) 
ERUCASTRUM 
¢Erucastrum gallicum (Willd.) O. Schulz, dog mustard, rocket 
weed, p. 736 
S: Steyermark &: Great Plains Flora M: Mohlenbrock 
