MUSTARD FAMILY 103 
pinnately cut toward the base, obtuse; stem leaves oblong or lanceo- 
late, entire or somewhat toothed, with an arrow-shaped clasping 
base. Flowers white or yellowish, on stout pedicels. Pods ovate, 
winged, slightly notched, tipped with a very small persistent style. 
Fields and waste ground, becoming a troublesome weed. Naturalized 
from Europe. 
V. CAPSELLA Medic. (BURSA) 
Annual. Stem erect, downy, with branched hairs. Racemes 
terminal, becoming elongated in fruit. Flowers small, white. 
Pod obcordate or triangular, flattened contrary to the parti- 
tion, shorter than the spreading pedicels.* 
1. C. Bursa-pastoris Medic. SmHepnEerp’s Purse. Root long and 
straight. Stem branching above, downy below, smooth above. 
Lower leaves forming arosette at the base of the stem, irregularly 
lobed or pinnately cut; stem leaves lanceolate, clasping, toothed or 
entire. Sepals downy, about } as long as the petals. Pod triangular, 
notched, or cordate at the apex. Seeds several in each cell. A com- 
mon weed.* 
VI. RAPHANUS L. 
Annual or biennial herbs. Basal leaves lyrate. Flowers in 
long racemes, white or yellow, purple-veined. Sepals erect. 
Pods rather long, slender-beaked, not sphtting open but some- 
times breaking across into 1-seeded joints. 
1. R. Raphanistrum L. Witp Rapisn. Jointep Crarrock. A 
stout, hairy annual, 1-2 ft. high. Leaves cut into remote segments, 
which are coarsely toothed or serrate: terminal segment largest. 
Flowers yellow, turning whitish or purplish. Pods necklace-shaped, 
and with a long beak. A common weed eastward. Naturalized from 
Europe. 
2. R. sativus L. Common Rapisn. Similar to No. 1, but with 
pink or white flowers. Root fleshy, conical or turnip-shaped. Pod 
fleshy, 2—3-seeded, the beak often longer than the seed-bearing portion. 
Cultivated from Asia and occasionally selfi-sown in cultivated ground. 
VII. BRASSICA L. 
Branching herbs. Leaves often pinnately cut. Flowers in 
racemes, rather large, yellow. Sepals spreading. Pods nearly 
cylindrical, sometimes tipped with a beak which does not 
open. Seeds globular. 
