24 6. CRUCIFER^. 



7. Cardamine Linn. Bitter-cress. 



1. C. impatims {L.) ; I. pinnate, leaflets of the lower 1. ovate 

 3-fid, of the upper 1. oblong lanceolate toothed or entire, petioles 

 of the stem-l. with slender sagittate auricles, pet. linear or want- 

 ing.— £. B. 80. R. ii. 26.— Pet. erect, white. Distinguished 

 by having auricles at the base of its petioles. — Hilly districts, 

 preferring limestone. A. VII. VIII. E. S. 



2. C. syhatica (Link) ; 1. pinnate, leaflets of the lower I. 

 roundish angled or toothed, of the upper 1. narrower, pet. twice 

 as long as the calyx, pods erect upon patent pedicels, stam. 6, 

 style long.-R. ii. 26. C. Mrsuta, E. B. 492. St. 45. 13. C. - 

 fleseuosa'With. — Fl. small. Pet. erect, white. St. flexuose, raore 

 leafy than in C. hirsuta. Root oblique, covered with fibres. — 

 Common, especially in woody places. A. IV. — IX. 



3. C. hirsuta (L.) ; 1. pinnate, leaflets of the lower 1. roundish 

 angled or toothed, of the upper 1. narrower, pet. twice as long as 

 the calyx, pods and pedicels erect, stam. 4, style short. — R. ii. 26. 

 St. 45. 14. — Fl. small. Pet. erect, white. St. nearly straight, 

 rather leafy. — Kather common in damp places. A. IV. — VIII. 



4. C. pratensis (L.) ; 1. pinnate, leaflets of the lower 1. roundish 

 slightly angled, of the upper I. linear-lanceolate entire, pet. 3 

 times as long as the calyx spreading, stam. half the length of the 

 petals, St. terete.— £. B. 776. R. ii.28.— Fl. large, lilac. Anth. 

 yellow. Style short. — (3. C. dent at a (Schult.); leaflets of the 

 lower 1. and lower stem-l. acutely angular. — Moist meadows, 

 common. |3. near Cambridge. P. IV. Common Bitter-cress. 



5. C amara (L.) ; 1. pinnate, leaflets of the lower 1. roundish- 

 ovate, of the upper 1. oblong, all angular, pet. 3 times as long,as 

 the calyx erect, stam. nearly as long as the petals, st. angular. — 

 E. B. iOOO. R. ii. 27.— Fl. large, white. Anthers purple. Style 

 long, slender. Stigma small. Stoloniferous. — Moist meadows 

 near streams, rare. P. V. VI. 



[C. bellidifolia (L.) which has simple entire 1. has been erro- 

 neously considered as a native of Britain. E. B. 2356.] 



8. Dentaria Linn. Coralwort. 



. 1. D. hulhiferaih.); st. simple, 1. alternate, lower 1. pinnate, 

 upper 1. simple, axils of the 1. producing bulbs. — E. B. 309. 

 ^Rhizome thick, with fleshy toothlike knobs. St. 1 — 14 foot 

 high. Lts. and 1. lanceolate, serrated or entire. Fl. large, rose- 

 coloured or purple. — Woods and shady places, rare. P. V 

 VI. E. 



