TETRADYNAMIA. 
789 
but it will not be denied that the same characteristics exist, in a some-, 
what less degree, in the more ordinary appearance of the species. E.) 
Sea Radish. R. maritimus. Sm. Br. Hook. He Cand. E. Bot. 1643. 
R. Raphanistrum y. FI. Brit. On the beach three miles from the Mull 
of Galloway. Mr. J. Mackay. Isle of Bute, so long ago as 1753, by the 
late Rev. Dr. Walker, Professor of Natural History at Edinburgh, who 
cultivated it as an esculent root preferable to Horse Radish, and found 
cattle to be fond of the herbage. Rocks near Beachy Head, Sussex. 
Messrs. Turner and Borrer. About the Lizard. Rev. J. P. Jones. E.) 
Wild Radish. Jointed Charlock. (Irish : Vraisseagh Garuh. Welsh: 
Rhuddygl, neu Heddig gwyllt. E.) Amongst com. A. June—July.* 
(A Synoptical View of Mr. Brown's Arrangement of the Species com* 
prehended in the Class Tetradynamia. 
SILICULOSA. 
CakFle marit^ima. ( Banias CaJcile .) Joints of the pouch two-edged ; 
upper one arrow-shaped: leaves wing-cleft, slightly toothed, 
fleshy. 
CrabFbe marit'ima. (C. maritima.) Tbe four longer filaments forked: 
pouch pointless: leaves roundish, indented, waved, toothed, 
glaucous, and smooth, as is the stem. 
Coro'nopus Ruei/lii. ( Cochlearia coronopus.) Vouch entire, crested 
with sharp points. 
— —— - did'yma. ( Lepidium didymum.) Vouch notched at the 
end, doubled, wrinkled: leaves wing-cleft: segments strap-spear-, 
shaped, undivided or snipt. 
Psatis tincto'ria. (7. tindoria.) Vouch inversely egg-oblong, smooth ; 
stem-leaves arrow-shaped, smooth. 
Vel'la AN f NUA. (V. annua.) Leaves with winged clefts: pouches 
hanging down. 
Thlas'pi arven'se. (T. arvense.) Vouch round and flat, its wings 
dilated longitudinally: seeds concentrically scored: leaves oblong, 
arrow-shaped, toothed, smooth. 
■ bursa-pasto'ris. (T. bursa-pasioris.) Vouch inversely-heart- 
shaped, without wings: root-leaves wing-cleft. 
—- perfolia'tum. (T. perfoliaticm.) Vouch inversely-heart- 
shaped, winged: style enclosed, very short: stem-leaves heart- 
shaped, slightly toothed, smooth. 
* . . alpes'tre. ( T. alpestre.) Vouch in versely-egg-shaped,. 
bluntly notched at the end: cells four to six-seeded : style pro¬ 
truding : stamens as long as the petals : stem-leaves heart-arrow¬ 
shaped : stem undivided. 
* In wet seasons it grows in great quantity among the barley in Sweden, and then 
those who eat barley bread are afflicted with violent convulsive complaints. Amcsn. Aead. 
vi, 430,—Horses eat it. Cows refuse it. 
