Cochlearia.} CRUCIFER.E. 21 



1. D. rerun, Linn. Common Whitlow-grass. Scapes naked; 

 petals deeply cloven ; leaves lanceolate, somewhat toothed, 

 hairy. Br. Fl. 1. p. 299. E. Fl. v. iii. p. 158. — Erophila 

 vulgaris, De Cand. — E. Bot. t. 586. 



Frequent on walls, rocks, and dry banks, sand and gravel-pits, about 

 Sandymount and Ball's Bridge, and walls near Stillorgan ; also on 

 Feltrura hill. Fl. March— May. ©. 



2. D. incana, Linn. Twisted-podded Whitlow-grass. Cau- 

 line-leaves several, lanceolate,' toothed, hoary with starry pubes- 

 cence ; pouch oblong, somewhat twisted. Br. Fl. 1. p. 300. 

 E. Fl. v. iii. p. 1 60. E. Bot. t. 308. 



Mountain rocks. Cliffs on Magillicuddy's Reeks, County of Kerry. 

 Ben Bulben and other mountains in the County of Sligo. Mr. Moore 

 finds it on the sandy flat of Magilligan, as well as on the adjoining 

 mountain of Benyevena. Fl. June, July. $ . — From 4 — 6 inches to 

 a foot and more high, sometimes throwing out lateral branches. 

 Lower leaves frequently entire, upper ones deeply toothed, almost cut, 

 acute. Pouch erect, glabrous. 



8. Cochlearia. Linn. Scurvy-grass. 



Pouch oval or globose, many-seeded, the valves turgid. Fila- 

 ments simple. Seeds not margined. Calyx patent. Coty- 

 ledons accumbent (0=). Br. — Name, Cochlear, a spoon, 

 from the shape of the leaves. Tetradynamia. Siliculosa. 



1. C. officinalis, Linn. Common Scurvy-grass. Pouch glo- 

 bose; radical leaves petiolate, cordato-reniform entire or si- 

 nuated ; cauline ones sessile, oblong, sinuated. Br. Fl. 1. p. 

 298. E. Fl. v. Yii.p. 174. E. Bott. 351. 



Rocks and muddy places by the sea coast, as well as upon the ele- 

 vated mountains. Fl. May, June. Q.— Leaves succulent, more or 

 less entire ; those of the stem semiamplexicaul by their generally 

 toothed bases. 



2. C. anglica, Linn. English Scurvy-grass, Pouch ellip- 

 tical, veiny; radical leaves petiolate, cordate, entire; cauline 

 ones mostly sessile, oblong, more or less toothed near the base. 

 Br. Fl. 1. p. 298. E. Fl. v. iii. p. 176. E. Bot. t. 552. 



Muddy and rocky sea-shores, and margins of salt-water rivers, fre- 

 quent. Banks of the Dodder, near Hair's distillery. River side below 

 Cork, and shore near Bantry ; Mr. J. Drummond. Fl. May, June. ©. 

 Generally smaller than C. officinalis, with more entire leaves and 

 elliptical pouches. 



3. C. dancia, Linn. Danish Scurvy-grass. Pouch ovato- 

 elliptical, veiny; leaves all petiolate, nearly deltoid. Br. Fl. 1. 

 p. 298. E. Fl. v. iii. p. 177. E. Bot. t. 697. 



Sea coast, in a stony and muddy soil, frequent. Salt marshes below 

 the Dublin Custom House ; on the old thatched roofs of houses in 

 Kinsale, and on Cork-beg, near Cove. Shore of Belfast Lough ; Mr, 



