139 CRUCIFERS. 
1. 8. alba Linneus.—(Wauite MustarD.) : 
_ Nearly smooth ; leaves pinnated ; valves of the silique 5-nerved, terminated 
by a sword-shaped horn. 
Habitat. Fields. 
Quality, As in S. nigra, but milder. 
Uses. Seeds in torpor of digestive organs ; young leaves as salad, 
2. S. nigra Linneus.—(Biack Mustarp.) 
- Rough with hispid hairs ; leaves lyrate ; silique short, bluntly quadrangular, 
_ pressed close to the axis, without a sword-shaped point. 
Habitat. Fields, 
Quality. Acrid, stimulant, volatile, pungent, diuretic ; oil purgative. _ 
Uses. Seeds produce vomiting ; employed in dyspepsia, dropsy, intermittents, and for 
forming sinapisms ; distilled water has been used against itch. 
Rapnanvs. Linneus. 
Silique indehiscent, spongy, somewhat jointed. Embryo O>>. 
l. R. sativus Linneus.—(RaDIsH.) : 
Siliques terete, acuminate, hardly longer than their stalks ; roots fleshy, 
annual. 
Habitat. Commonly cultivated. 
Quality, Roots sub-acrid, succulent and tender when young. 
Uses. A well-known esculent vegetable. 
Crampe, Linneeus. 
Silicle indehiscent, of 2 unequal joints, of which the upper is globose, the 
lower obsolete. Hmbryo O>>. : 
l. C. maritima Linneus.—(Sea Kats.) Fig. 200. 
Leaves roundish, sinuated, wavy, toothed, czsious ; 
the longer filaments forked. 
Habitat. Sea-coast, in clay. 
ity. Antiscorbutic, nutritive, acrid when old. 
Uses. “The blanched sprouts a favourite esculent vegetable. 
CaRDAMINE. Linneeus. 
Silique compressed, with flat nerveless valves. Stigma 
capitate. Seeds in one row. Embryo accum- 200 
bent 'o — 
- ©. pratensis Linneeus.—(CUCK00-FLOWER.) 
aves pinnate ; leaflets roundish-ovate, of the upper 
petals obovate, 3 times as long as the calyx. 
Habitat, Meadows. : 
Quality. Flowers stimulant, diaphoretic, diuretic, nervine. 
stay Epilepsy, cholera, spasmodic asthma, 
leaves linear, entire ; 
Nasturtium. Brown. : 
Silique short, cylindrical ; valves convex, with scarcely any nerves. Stigma 
capitate. “Seeds in 2 irregular rows. Embryo O=- 
ee pe 
: | Fig. 200,—The stamens of Crambe maritima magnified. 
