2 4 



THALAMIFLOR.E 



Senebiera 

 coronopus 

 (Wart Cress) 



13. Senebiera (Wart Cress) 



1. S. coronopus (Wart Cress or Swine Cress). 

 Pouch undivided, rough, with little sharp 

 points ; style prominent. A common roadside 

 weed, with trailing leafy stems, and clusters of 

 very small whitish flowers. Fl. all the summer. 

 Annual. 



2. S. didyma (Lesser Wart Cress). Pouch 

 notched, of two wrinkled lobes ; style very 

 short. A common roadside weed in the south 

 and west of England. It differs from the last 

 in having a more slender stem, and more finely 

 cut leaves. It emits a very powerful smell, like 

 that of Pepper-cress, especially when trodden 

 on, or in hot weather, and is particularly nauseous 

 to the taste. Fl. all the summer. Annual. 



14. Cardamine (Bitter Cress) 



1. C. amara (Large-flowered Bitter Cress). Leaves pinnate, 

 without stipules ; root-lea/lets roundish, those of the stem toothed 

 and angular ; stem ascending, about a foot high ; style oblique. 

 By the banks of rivers and canals, not common. The flowers are 

 large and handsome, white, with purple anthers. Fl. April, May. 

 Perennial. 



2. C. pratensis (Cuckoo-flower or Lady's Smock). 

 Leaves pinnate, without stipules ; root-leaves 

 roundish, slightly angular, those of the stem entire ; 

 style straight. A common and very pretty meadow 

 plant, with large lilac flowers. A double variety 

 is sometimes found wild, which is remarkably pro- 

 liferous, the leaflets producing new plants when 

 they come in contact with the ground, and the 

 flowers as they wither sending up a stalked flower- 

 bud from their centres. Fl. May. Perennial. 



3. C. impatiens (Narrow-leaved Bitter Cress) 

 Stem erect, leafy, about 18 inches high ; leaves 

 pinnate ; auricles fringed. Moist rocks in some 

 parts of Scotland and the north of England, rare. 

 Fl. May, June. Annual. 



4. C. hirsuta (Hairy Bitter Cress). Leaves pin- 

 nate, without stipules ; leaflets stalked, toothed ; 

 pods erect. A common weed everywhere, varying 



in size according to soil and situation, from 6-18 



. , , . . p T . . ... ' Cardamine 



indies in height. In dry localities it ripens its Hirsuta 



seed in March or April, and withers away ; but in (Hairy Bitter Cress) 



