270 TKTRADYNAMIA SILICULOSA. [CL. XV. 



lobed, compressed. Style very short; stigma obtuse. Pouch 

 roundish, compressed, two-lobed, two-celled, not bursting ; valves 

 globular or rounded, wrinkled, each lodging a solitary roundish 

 seed. Name, in honour of M. Senebier, of Geneva, an eminent 

 botanist. 324. 



1. S.Coronopus. Swine'$-cress. Wart-cress. Pouch undivided, crested, 

 with little sharp points ; style prominent; leaves pinnau'fid, subdivided. 



Root tapering : stems prostrate, branched, leafy : leaves deeply 



divided, smooth : flowers white, in dense corymbs. Annual : flowers 

 from June to September : grows in waste ground and by way-sides : not 

 uncommon in England, but rare in Scotland. Eng. Bot. vol. xxiv. 

 pi. 1660. Eng. Fl. vol. iii. p. 179, 953. 



2. S. didyma. Less Wart-cress. Pouch cleft, of two round wrinkled 



lobes; style very short; leaves pinnatifid, partly crenate. Root 



fibrous, small : stems procumbent, about a foot long, branched : leaves 

 smooth, flat : flowers small, white, with two or four stamens only. An- 

 nual : flowers in July : grows in waste ground, in Devonshire and 

 Cornwall, and in Ireland. Eng. Bot. vol. iv. pi. 248 : Lepidium duty- 

 mum. Eng. Fl. vol. iii. p. 180. 954. 



12. CRA'MBE. SEA-KALB. 



Calyx of four oblong, concave, spreading leaves. Petals large, 

 obtuse, broad, spreading. Filaments awl-shaped, the four longest 

 with a sharp lateral tooth ; anthers oblong. Germen oblong. 

 Style none; stigma obtuse. Pouch finally leathery, of two joints,, 

 each one-celled, not bursting, the lower abortive, the upper globu- 

 lar and deciduous. Seed solitary, globular. Name, crambos, of 

 the Greeks. 325. 



1. C.maritima. Sea-Kale. Leaves roundish, sinuated, toothed, glau- 

 cous, smooth. Root large and fleshy : stems two feet high, branched, 



spreading, smooth and glaucous: leaves stalked, leathery: flowers large, 

 white, in terminal clusters. The young leaves are boiled as cabbage. 

 Perennial : flowers in May and June : grows in sand on the sea-coast : 

 not common. Eng. Bot. vol. xiii. pi. 924. Eng. Fl. vol. iii. p. 184. 



955. 



13. CAKl'LE. SEA-ROCKET. 



Calyx of four erect, oblong, deciduous leaves, two opposite 

 ones protuberant at the base. Petals inversely egg-shaped, obtuse, 

 spreading, their claws as long as the calyx. Filaments awl- 

 shaped, simple ; anthers oblong, cleft at the base. Germen 

 oblong. Style none; stigma obtuse. Pouch of two joints, 

 angular, compressed, the lower often abortive, the upper oblong, 

 with a tapering point, deciduous, each one-celled, not bursting. 

 Seeds one in each cell, elliptical. Name, an old Arabic word. 



326. 



1. C. maritima. Sea-Rocket. Joints of the pouch two-edged, the 



upper one arrow-shaped ; leaves fleshy, pinnatifid, obtuse. The whole 



plant smooth and glaucous : stem a foot high, much branched : leaves 



