20 



CRUCIFER^E. \_Draba. 



6. Cardamine. Linn. Lady's-smock. 



Pod linear, the valves flat, generally separating elastically, 

 nerveless. Seed stalks slender. Cotyledons accumbent (O =r ) . 

 Name, Kapcia, the heart, and cafiaiv, to fortify : from its sup- 

 posed strengthening qualities. 



Tetrad i/namia. Siliquosa. 



1. C. amara, Linn. Bitter Lajdys- smock. Leaves pinnated; 

 radical leaves roundish ; cauline ones dentato-angulate ; style 

 oblique; stigma rather acute; stem rooting at the base. Br. — 

 Br. Fl. 1. p. 302. E. Bot. t. 1 000. E. Fl. v. iii. p. 190. 



Wet meadows near Toom Bridge, and by the side of the Mayola 

 river, near Castle Dawson ; Mr. D. Moore. Fl. April — June. %. — 

 One foot high. Well distinguished from the following by the broad 

 angulato-dentate leaflets of its upper leaves, and the large white 

 flowers, and purple anthers. 



2. C. pratensis, Linn. Common Lady s-smock. Leaves pin- 

 nate, radical leaflets roundish, dentate, cauline ones lanceolate, 

 nearly entire ; style straight ; stigma capitate. Br. FL 1. p. 

 302. E. Fl. v. iii. p. 189. E. Bot. t. 776. 



Wet meadows, abundant. Fl. May. %. — One to two feet high. 

 Flowers large, blush coloured ; sometimes found double, in which state 

 the leaflets are known to produce new plants, when they come in con- 

 tact with the ground, while still attached to the parent plant. 



3. C. hirsuta, Linn. Hairy Lady* s-smock. Leaves all pin- 

 natifid, and without stipules ; leaflets petiolate ; radical ones 

 roundish ; stamens 4 — 6, equal in length to the petals ; stigma 

 nearly sessile. Br.— Br. Fl. 1. p. 302. E. Fl. v. iii. p. 188. 

 E. Bot. t. 492. Cardamine flexuosa, With. 



Moist shady places, abundant ; very common near Dublin. Fl- 

 March — June. 0. — Varying much in size and luxuriance, according to 

 soil and situation. From four inches to one foot and more in height. 

 Leaflets more or less angled, or toothed ; upper ones ovate, or even 

 linear, hairy or glabrous. Flowers small, white. 



Tribe II. Alyssinea. De Cand. 



Silicula dehiscing longitudinally. Septum broad, oval, membranous ; 

 valves flat or concave. Seeds compressed, often bordered. Cotyledons 

 flat, accumbent, parallel with the septum. 



7. Draba. Linn. Whitlow-grass. 



Pouch entire, oval or oblong ; valves plane or slightly convex, 

 cells many-seeded. Seeds not margined. Cotyledons accum- 

 bent. (Ozr.) Filaments simple. (Draba and Erophila, 

 De Cand.) — Named from ^pa(3ij, acrid, as are the leaves of 

 many of this tribe. Tetradynamia. Siliquosa. 



