566 BRASSICACEAE 
a L. Plant — em. tall, acaulescent: leaf-blades spatulate to 
narrowly ‘elliptic, 5-15 m ong, entire, or toothed near the apex, sparingly 
pubescen Bd sea ae g Spas pss becoming 
1.5-2 ong: petals cuneate, em rly 
twice as eon as - sepals: pod e elliptie Or 
rarely oval, 4-9 mm. long.—(WHITE-BLOW 
WHITLOW-GRASS )—Dry banks and fields, 
various provinces, Ga. to Ark., Minn., and 
Mass. Nat. of Eu.—Wint.- spr. 
2. D. caroliniana Walt. s. 4-10 em. 
tall, often short-stemmed: leaf-blades ob- 
ovate, Ei s ud Or MS NE 
5-15 long, entire or shallowly 
toothed, d pubescent: scape pubescent, 
at least below: sepals pages] 2—2 
long, glabrous: petals 3—4 lou, vit 
cuneate or as pra ovary y glabro : pod 
linear, 7—1 ong.—Roc "fields, and sandy soil, various provinces, Ga. 
to Ark., Minn., t Mass. du 
3. D. aprica Beadle. Plant 1-2.5 dm. tall, finely appressed -pubescent: leaves 
distant; blades obovate or oval to ett : = past vedi un —26 mm. long, 
coarsely few-toothed: peduncles very s anting: nal raceme elon- 
ga ate, the pee racemes wholly or partially congested: sepals ser tae , becom- 
ing 0.8-1 mm. lo ong: petals spatulate, 2.5-3 mm. long: ovary pubescent: pod 
linear- “elliptic 4-6 mm. lon ng.—Dry soil, Ru Mt. in pos higher Piedmont, 
Ga.—Spr. 
D. cuneifolia Nutt. Plant 6—10 mm. tall, o sue stemmed, stellate- 
pubescent i eae terry blades se obov r sometimes spatulate, 
8—30 ong, c ino few- EA ipd peduncles si er racemes not con 
gested: een becoming 3-5 mm. long, broad: petals a 3-5 mm . long: 
vary pubescent: pod linear- elliptic, 8-15 mm. long.—Fields and cliffs, various 
sn Fla. to Tex., Calif., Ill, and Ky.—Spr. 
5. D. brachycarpa Nutt. Plant 4-20 cm. tall, strigillose, caulescent: leaves 
5-15 mm. long; blades ovate to ede Or “elliptic: Eanes or rarely obovate 
arl 
at the base of the plant, entire or rly s e elongate: sepals MONS 
1—1.5 mm. long, EUN petals L 525m m. long, T oval rounded blades 
or wanting: ovary glabrous: pod elliptie, 9— 3 mm. long.—Dry soil, variou s 
provinces rarely Coastal Plain, N Fla. to Tex., Mo., 23 Va.—Spr. 
6. D. ramosissima Desv. Res 10-40 em. tall, eaulescent, d oe 
all over: leaves 10—45 mm. long: aer spatulate at the base of the st em; 
elliptic to elliptie- Gag oie above s spreading cas ene 
eorymbosely disposed: sepals becoming 2. 53m m. long: p 6-8 mm. long, 
Rn ovary pubescent: pod n wly elliptic, 5-12 mm. long, long-bea aked. 
—Cliffs and rocky banks, ge calcareous, Blue Ridge and Appalachian pro- 
vinces, Y C. t o Te nn., W. 
25. DENTARIA [Tourn.] L. Perennial seapose herbs with horizontal 
rootstoeks. Leaves basal: blades palmately eleft or divided. SR simple, 
each bearing 2 or 3 bracts with blades similar to the basal leav Sepals 4, 
much shorter than the petals. Petals 4, white or purple, sd large. 
Stamens 6; anthers elliptic to lanceolate. Style slender. Pod elongate.— 
About 15 species, natives of the Northern Hemisphere.—Spr.—CRINKLE-ROOTS. 
TOOTHWORTS. PEPPERWORTS 
