CLASS XV. ORDER I.] LEPIDIDM. 877 



Coronopus didyma, Sra. Hooker, British Flora, ed. 4. vol. i. p. 240. 

 Lindley, Synopsis, p. 31. 



Root small, fibrous. Stems numerous, slender, round, hairy, pro- 

 cumbent, much branched and leafy. Leaves alternate, smooth, pin- 

 nati fid, with entire toothed or cut segments. Inflorescence slender, spikes 

 of numerous small white flowers, mostly opposite to the leaves, and as 

 long or longer than the leaves. Calyx of four small ovate spreading 

 deciduous pieces. Corolla of four equal ovate or roundish spreading 

 whitish petals. Stamens with simple filaments, two or four, rarely 

 six. Fruit a two lobed silicula, roundish, compressed, wrinkled, 

 deeply notched at both ends. Stigma small, sessile between the lobes, 

 two celled, each cell with a single compressed pendulous seed. 



Habitat. Waste places near the sea; about Exeter, Truro, Penryn, 

 Milford-haven, near Caernarvon, and shores South of Ireland. 



Annual ; flowering in July. 



GENUS V. LEPID'IUM. LINN. Pepper-wort. 

 Nat. Ord. CRDCIF'ERJE. Juss. 



GEN. CHAR. Silicula ovate or sub-cordate, of two one seeded cells, 

 valves keeled or winged at the back. Petals equal. Filaments 

 simple. Seeds sub-compressed. Cotyledons plane, incumbent. 

 (c Fig. 2, page 872.) Name from Xnn?, a scale ; so called from 

 the scale-like form of the silicules. 



1. L. latifo'lium, Linn. (Fig. 1010.) Broad leaved Pepper-wort. 

 Leaves ovate lanceolate, undivided, crenato-serrated, the radical ones 

 ovate, obtuse, on a long footstalk ; the silicules ovate, nearly entire, 

 downy. 



English Botany, t. 182. English Flora, vol. iii. p. 165. Hooker, 

 British Flora, ed. 4. vol. i. p. 247. Lindley, Synopsis, p. 31. 



Root of numerous wide spreading branches. Stem erect, from three 

 to four feet high, round, smooth, tough branched and leafy, glaucous 

 green, pale. Leaves alternate, the lower ones large, ovate, obtusely 

 lanceolate, on long footstalks, obtusely serrated from about the middle 

 upwards, the upper lanceolate, sessile, a smooth glaucous green, paler 

 beneath, having an unpleasant bitter pungent flavour. Inflorescence 

 terminal and axillary, racemes of numerous crowded flowers, of a white 

 or pinkish colour. Calyx of four roundish ovate concave deciduous 

 pieces. Corolla of four small oblong ovate spreading petals. Stamens 

 with simple filaments and small ovate two celled anthers. Fruit an 

 ovate roundish silicula, slightly notched at the apex, and crowned by 

 the sessile obtuse stigma, two celled, each cell containing a single 

 pendulous seed. 



Habitat. Wet shady places near the sea, and in salt marshes ; in 

 Norfolk, Essex, and Yorkshire, England ; Weems, Fifeshire, and 

 Donibristle, Scotland ; Cork-beg, near Cove, Ireland. 



5 x 



