CRUCIFER^E 19 



V 



6. CARDAMINE, L. 



>tigma terminal; flowers pink or white; seed-vessel 

 it, with elastic valves ; sepals equal at the base. 



A. Flowers large, usually lilac; not alpine: C. 

 pratensis, L., Cuckoo-flower, Lady's Smock; very com- 

 mon in damp meadows. 



B. Flowers white ; not alpine : C. hirsuta^ L., and 

 sylvatica, L., with very small flowers and pinnate radical 

 leaves, the former usually with only 4 stamens ; in shady 

 places. C. amara, L., Bitter Cress; with large creamy- 

 white flowers and pinnate leaves ; river-sides, scarce ; 

 and C. impatiens, L. ; leaves with stipule-like fringed 

 auricles ; shady places, local. 



C. Flowers white ; alpine plants : C. alpina, Willd. ; 

 stem 1-2 in. high, leaves ovate, entire; frequent. C. 

 trifolia, L. (PI. 6) ; radical leaves tripartite, on long 

 stalks, stem-leaves o ; Jura, Tirol, Styria, Carinthia. C. 

 Plumierzi, Vill. ; lower leaves reniform, cordate, upper 

 leaves with 3 or 5 segments ; Dauphiny. C. resedifolia, 

 L. ; radical leaves oblong, entire, on long stalks, stem- 

 leaves pinnatifid ; moist rocks ; Alps and Pyrenees, rare. 

 C. asarifolia, L. ; stem 6-12 in., flowers in a corymbose 

 panicle, leaves reniform, toothed ; Southern Switzerland, 

 rare. 



7. DENTARIA, L. 



Stigma terminal ; flowers large, white, purple, or 

 yellow; seed-vessel flat, with elastic valves; funicle of 

 seed dilated ; stem-leaves often opposite or in whorls. 



All the species of Toothwort are sub-alpine plants, 

 growing in moist or shady places : D. enneaphyllos, L. ; 



