8 TPIE FLORA OF THE ALPS 



hooked ; Alps, Jura, Dauphiny, Pyrenees, Carpathians. R. 

 Traunfellneri^ Hoppe; resembUng the last, but beak of 

 fruit only curved, leaves more deeply cleft ; Tirol, Car- 

 niola, rare. R. crenatuSy W.K. ; radical leaves entire, 

 serrate, petals roundish-ovate, beak of fruit curved ; 

 Styria. R. bilobus, Bert. ; radical leaves entire, crenate, 

 petals cuneate-ovate, beak hooked ; Southern Tirol, rare. 

 /. Petals 5, white ; aquatic plants {Batrachium) : — Most 

 of the British species of Water Crowfoot, viz., R, aquatilis^ 

 L., with its numerous sub-species ; fluitans^ Lamk. ; cir- 

 cznatuSy Sm., are found also in Switzerland. 



Tribe Hellebores. — Sepals imbricate; fruit composed 

 of a few many-seeded follicles. Genera 8-17. 



8. Caltha, L. 



Flowers regular ; sepals petaloid ; petals o. Not alpine. 

 Our English Marsh Marigold, C.palustriSy L., is common 

 throughout Switzerland and the Pyrenees. 



9. TROLLIUS, L. 



Flowers regular; sepals 5-15, yellow; petals small, 

 entire. 



The beautiful Globe-flower, T. europceus^ L., a native 

 of our northern counties, is abundant in sub-alpine 

 pastures. 



10. Eranthis, L. 



Flowers regular; sepals petaloid, deciduous; petals 

 small, 2-Hpped. 



The Winter Aconite, E. hyemalisy Salisb., with yellow 

 sepals and petals, occurs rarely in bushy places in Jura 

 and Vosges. 



