24 6. CRUCIFER.E. 



7. CARDAMINE Linn. Bitter-cress. 



1. C. impatiens (L.) ; 1. pinnate, leaflets of the lower 1. ovate 

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

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

 ing. 12. 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. sylvatica (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. hirsuta, E. B. 492. St. 45. 13. C. 

 flexuosa With. Fl. small. Pet. erect, white. St.flexuose. more 

 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. jR. ii. 26. 

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

 rather leafy. Rather 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. E. B. 776. R. ii. 28. Fl. large, lilac. Anth. 

 yellow. Style short. )8. C. dentata (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. 1000. 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. 2355.] 



8. DENTARIA Linn. Coralwort. 



1. D. bulbifera (L.); 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 ]-J foot 

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

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

 VI. E. 



