Vor. II.] MUSTARD FAMILY. I4I 
2. Draba Caroliniana Walt. Carolina Whitlow-grass. (Fig. 1756.) 
Draba Caroliniana Walt. Fl. Car. 174. 1788. 
Draba hispidula Michx. Fl. Bor. Am. 2: 28. \ 
1803. : i 
3 SS 4 , 
Annual, the flewering scapes 1/-5/ high 
fromashort leafy stem. Leaves tufted, ob- 
ovate, 4/’-10’’ long, obtuse, entire or rarely 
with 3 or 4 teeth, pubescent with stiff stel- 
late hairs; scapes nearly glabrous; flowers 
white, 1%4’/-2’’ broad; petals entire, some- 
times wanting in the later flowers; pedicels 
1//-2’’ long in fruit, clustered at the sum- 
mit of the scape; pods linear, 4’’-6’’ long, 
nearly 1’’ broad, glabrous; style none. 
In sandy fields, eastern Massachusetts to 
southern Ontario and Minnesota, south to 
Georgia and Arkansas. March-June. 
Draba Caroliniana micrantha (Nutt.) A. Gray, 
Man. Ed. 5, 72. 1867. 
Draba micrantha Nutt.; T. & G. Fl. N. A. tr: 
10g. 1838. 
Differs from the type only in the appressed- 
hispid pods. Petals often wanting. Prairies, Il- 
linois to Texas, New Mexico and Washington. 
3- Draba cuneifolia Nutt. Wedge- 
leaved Whitlow-grass. 
(Fig. 1757.) 
Draba cunetfolia Nutt.; T. & G. Fl. N. A. 1: 
108. 1838. 
Annual, stellate-pubescent all over, 4/-8/ 
high, branching and leafy below. Leaves 
obovate, cuneate, or the lowest spatulate, %4/— 
1%’ long, obtuse, dentate toward the sum- 
mit; flowering branches erect or ascending; 
flowers white, 2’’ broad; petals emarginate, 
twice or thrice the length of the calyx; pedi- 
cels ascending or spreading, 2’’-4/’ long in 
fruit; raceme elongating; pods linear-oblong, 
obtuse, 4’’-5’’ long, 1’’ wide, minutely hairy; 
style none. 
In fields, Kentucky to Kansas, south to Flor- 
ida, west to southern California. Feb.—April. 
4. Draba Fladnizénsis Wulf. White Arctic 
Whitlow-grass. (Fig. 1758.) 
Draba Fladnizensis Wulf. in Jacq. Mise. 1: 147. 1778. 
Draba amdrosacea Wahl. Fl. Lapp. 174. 1812. 
A low tufted arctic or alpine perennial. Leaves oblanceo- 
late basal, rosulate, acutish, entire, stellate-pubescent or 
with some simple hairs, ciliate or rarely nearly glabrous, 4//— 
8’ long; flowers whitish; scapes glabrous; pedicels ascend- 
ing, 1’’—2’’ long in fruit; raceme at length somewhat elon- 
gated; pods oblong, glabrous, 2’’-3’’ long, nearly 1’ wide; 
style alrrost wanting. 
_Gaspé, Quebec, and through arctic America, south in the 
higher Rocky Mountains to Colorado. Also in arctic and alpine 
Europe and Asia. Summer. 
