ORDER 13.—THE CRUCIFERS. 163 
2. LUNA’/RIA. Satin-flower. 
Sepals somewhat 2-lobed at base of the flower. Petals nearly entire. 
Stamens without teeth. Silicle oval or lanceolate, flat. usually very large, 
with a stalk. Seed-stalk adhering to the partition—Foreign, ornamental 
plants. 
L, redivi’va. Perennial S. Pods lanceolate, narrowed to each end. Lvs. sharp- 
toothed. 2. 
L. bien’nis, Biennial S. Pods broad-oval, rounded at each end. Lvs. blunt- 
toothed. @ 
8. CAPSEL’LA. Shepherd's-purse. 
Oalyx equal at base. Silicles triangular, wedge-shaped at base, notched 
at top, compressed laterally, that is, contrary to the narrow partition. 
Valves boat-shaped. Style short. Seeds 00, oblong, small_—A common 
weed, with white flowers. 
©. Bursa-Pasto’ris, Shepherd’s-purse. Found everywhere, in fields, pastures, and 
road-sides. Stem growing to a foot in height, hairy below, branching. Root 
leaves many (when the plant has room), half a foot long, deeply-lobed and 
toothed. Stem leaves much shorter, with two ear-shaped stem-clasping lobes 
at base. Flowers very small, in racemes which become very long, and are suc- 
ceeded by the little purse-shaped pods. Apr.—Sept. (See Fig. 331.) 
4, LEPID‘IUM. FPepper-grass. 
Sepals ovate. Petals ovate, entire. Silicles roundish or oval, notched 
at the end, flattened contrary to the very narrow partition. Cells 1-seed- 
ed. Valves boat-shaped, dehiscent. Flowers white, racemed, numerous. 
1 Stem leaves undivided. Flowers from June to Sept....2 
1 Lsativum. Leaves all divided and lobed. Pods round. Gardens. July. 
2 LVirginicum. Tongue-grass. Pods round, wingless. Stem leaves toothed. 
8 Lrudera’le. Pods roundish-oval, wingless. Petals 0. Stem leaves entire. W. 
4 Leampes‘tre. Pods ovate, winged, rough-scaly. Leaves arrow-shaped. W. 
~ 5. SENEBIE’RA. Swine Cress. 
Silicle 2-lobed, appearing double. Valve somewhat turgid and inde 
hiscent. Cells each with 1 roundish and 8-cornered seed. Flowers 
white, in short racemes which stand opposite to the leaves. 
