BRASSICACEAE 565 
narrow. Petals 4, yellow, pink, or white, the 
bo 
t 6 species, Eurasian. 
R. sativus L. Plant 3-11 tall, usu- 
ally with scattered hairs: leav s finely pu- 
bescent; blades spatulate, to spouts in out- 
line, pinnatifid or pinnately parted, p ter 
ea 
petals pink or white, spatulate, 11-14 mm. 
long: pod turgid, the "body mostly 2.5-3.5 em. long, be aked.— (RADISH. ees 
and ye more or less persistent after cultivation, various provinces, U. S. 
and S Can. Nat. of Eu.—Spr. 
23. KONIGA Adans. Annual or perennial, often diffuse herbs, or 
shrubby plants. ao blades entire. Sepals 4, herbaceous. Petals 4, white, 
ens 
stigma 
Pod ovate to subglobose. Seed solitary.— 
About 4 species, natives of the Mediter- | 
ranean region 
maritima (L.) R. Br. Stem usually 
grant: sepals becoming -2 mm. lon 
petals 3—4 mm. long, the suborbicular blades 
od 2-3 m : 
lys ibn, 4 
(SWEET-ALYSSUM. )— Waste places, and cult. 
grounds, various provinces, Fla. to Tex., Calif., and S Can. Nat. of Eu. and 
eult. —Spr.— all. 
24. DRABA [Dill] L. Annual or perennial, often small herbs. Leaf- 
blades entire or toothed. Sepals 4, rather d Petals 4, white or yellow, 
pi ns i e 
u r " e Ov 
twisted. Seeds several—About 175 species, natives, mainly, of north tem- 
perate and arctic regions.—Spr.— W HITLOW-GRASSES. WHITLOW-WORTS 
Annuals or often winter-annuals: pod not spirally tw isted : petals about twice as long 
S. 
. D. verna. 
"d 
(D 
ct 
&e 
pd 
Uc 
ae 
e 
Q-— 
"(o 
IR 
Petals entire, erose or r emarginate 
Leaf- blades entire 
od glabrous. D. caroliniana. 
D. aprica. 
-15 m : lo ong: sepals 2 mm. long. D. cuneifolia. 
d 2-3 m Jong: DT 1-1.5 mm. long. D. brachycarpa. 
Po 
po pod Sealy twisted: petals thrice as long as the 
sepals. 
o 9 pN 
. D.ramosissima. 
