064 BRASSICACEAE 
20. SINAPIS L. Annual or biennial herbs. Leaf-blades lobed or pin- 
elongate, the beak sword-like.—About 5 species, European.—CHARLOCKS 
Blades of the upper leaves toothed : pod with a somewhat 4-angled beak i 5 the 
length of the pod-body. m 
Blades of the upper pres pinnatifid : pod with a flat beak about as 
fone as the pod-body. 2. S. alba. 
1. S. arvensis L. Stem 3-6 dm. tall, hispid: leaves 4-17 cm. long; blades 
A the lower ones coarsely o or Iyrate- pinnatifid: sepals dicas d. 5—6 
lon petals 5.8-8.5 ong, 
sake xo ios or obovate blades abruptly E 
tracted into the slender claw po od 21-24 
mm. long.—( WILD-MUSTARD. Cron ses 
— Fields ca waste- er ij through- 
out cult. N. Nat. of Eu.—Spr.-fall. 
2. S. alba L. Stem pubescent with rigid 
spreading hairs, 3-7 dm. tall, branehed: 
blades - the basal puma obovate e, pin- 
natifid, on long petioles, those of the upper 
le aves narrow, elliptic to lanceolate, pin- 
m 
n , those near the of 
sessile: sepals 4—5 mm long: petals yellow, 
much longer than the sepals: pods hispid, 
the body 8-15 mm. long, constricted below 
the seeds, the beak flat, as long as the body or longer.—( WHITE-MUSTARD.)— 
Fields, roadsides, and waste -plaees, U. S. and S Can. Nat. of Eurasia.—Sum. 
1. ERUCA L. Herbs resembling Brassica and Sinapis. Leaf-blades 
pinnatifid or some of them merely toothed, not claspin Raceme narrow: 
pedicels ascending. Sepals narrow, erect. Petals mx spreading dilated 
iny blades. Anthers sagittate. Ovary 
short. Style short, but longer than the 
ary. Po ort, turgid, the beak flat, 
ier than (ie body.—About 10 species, 
Eurasian. 
1. E. Eruca (L.) Britton. 
Plant 2-7 dm. 
tal, the stem usually branehed, sparingly 
pubescent: leaf-blades various, thos the 
e 
lon 1 
ES LB 2 cm. long, veiny: pod erect, 
slender-fusiform, m, 2-3 € m. long, the beak much shorter than the body. [ÆE. sativa 
Mill.] — (GARDEN- cy )— Fields, nearly throughout cult. N. A. Nat. of 
Eu.—Spr.-sum. 
29. RAPHANUS [Tourn.] L. Annual or mostly biennial herbs. Leaf- 
blades lyrate-pinnatifid, or inn of the upper ones merely toothed. Sepals 4, 
