34 BRITISH BOTANY. 



pinnatifid^ in tufts (rosettes), glabrous, slightly fringed at the 

 margin. Stem-leaves entire, lanceolate, narrow. Flowers in 

 elongated lax clusters (the lower flowers barren?), large, pink or 

 rose-colour or white. Sepals hairy. Petals twice as long as the 

 sepals. Pods spreading, erect, slender, about twice the length of 

 their pedicels. Seeds slightly winged. 



Per.; June- August. Alpine rocks in England and Scotland. 



A. Turrita, Lin. Tower Wall-cress. — e.b. 178. l.b.s. 93. 



Root tapering, simple. Stem a foot high, simple, erect, leafy. 

 Leaves obovate or elliptical, tapering into the petioles ; stem- 

 leaves cordate at the base, clasping. Flowers in corymbose clus- 

 ters, subtended by oblong bracts, of a pale sulphm'-colour. Pods 

 3-4 inches long, flat, striated, curved downwards, with slightly 

 undulated valves. Seeds with a membranous margin. 



Old walls. Biennial ; May. On walls at Cambridge and Ox- 

 ford ; and on Cleish Castle, Kinrosshire. '' Allowed to be an in- 

 troduced plant, and only of late admitted into our floras.'^ — Mr. 

 Watson, in Cybele, vol. i. p. 143. 



Dentaria, Tourn. — Perennial smooth plants, with scaly or 

 tooth-like horizontal fleshy rhizomes, pinnate leaves, and rosy, 

 lilac, or whjte flowers. Sepals erect, not turgid at the base. 

 Stigma entire, or nearly so. Pod lanceolate, compressed, with 

 nearly flat valves, which are without a nerve, or are only indis- 

 tinctly nerved at the base, coiling up from the base with elasticity. 

 Seeds in one row, compressed, with a dilated fanicle (the connec- 

 tive of the seed and the placenta) . 



D. bulbifera, Lin. Coralwort. — e.b. 309. l.b.s. 83. 

 A. 3. C. 6. Lat. 51-56°. Alt. ? Tern. 49-47°. 



Stem simple, erect, leafless below, smooth, 1-2 feet high. Lower 

 leaves stalked, pinnate, nearly opposite, with 2-3 pairs of lanceo- 

 late or oblong, laxly toothed segments; the uppermost simple, 

 reduced to the terminal segment. The axils are generally fur- 

 dished with bulbs. ^, 



Woods. Per. ; April and May. Old Park Wood and Garret 

 Wood, both near Harefield, abundantly. 



Card AMINE, Lin. — Annual, biennial, or perennial, herbaceous 

 plants, with pinnate, petiolate leaves, and white or lilac flowers. 

 Sepals more or less spreading, seldom gibbous. Petals sometimes 

 abortive. Stigma entire. Pod linear, compressed ; valves flat, 



