DRABA VERNA. 



WHITLOW-GRASS. SHAD-BLOSSOM. 



Tctr adynamia siUqulosa, Linn. Cruciferrr, Juss. 



GENERIC CHARACTER. 



Si/icle entire, oval-oblong, valves flattish, parallel with the dissepiment. Style 

 scarcely any. 



SPECIFIC CHARACTER. 



Scape naked, leaves oblong-acute, sub-serrate, hairy; petals bifid, stigma sessile. 

 WillcL 



SYNONYMS. 



Draba hispidula, Michaux. 



D. verna, /3. Americana, Persoon. 



Roots fibrous, annual or semi-annual. Leaves numerous, crowded, 

 all radical, about half an inch long, of an oblong shape, acute at the 

 apex, tow aids which they are somewhat serrated, every where hairy, 



VOL. III. 14 



