The Scottish Naturalist. 53 



2. C. longirostris Beck. 



Follicles narrowed into a very ^long (5 mm.) beak, which is curved 



downwards. Leaves coarsely dentate-serrate, crenate-toothed in 



front ; stem-leaves coarsely incise-toothed. 

 Alpine places ; Bosnia. 



B. Mature follicles very shortly and often abruptly attenuate-con- 

 tracted into the beak, sub-erect, straight, or curved on the 

 back. 



(a) Follicles straight, or nearly so, on the back. 



3. 0. laeta Schott, Nyman. 



Follicles erect, straight, or nearly straight, on the back, curved 

 in front, semi-orbicular, or broadly semi-elliptical; beakshort 1 1*5 

 or, at most, 2 mm. long. Sepals yoke-of-egg yellow. 



Var. typica. C alpina Schur. x 



Follicles 9- it mm. long, shortly narrowed into the straight and 

 erect beak. Leaves serrate-toothed all round. 

 Chiefly sub-alpine. Lower Austria. 



Var. 0. truncata. 

 Follicles 10 mm. long, sub-truncate above; beak short (1 1*5 

 mm.), thick sub-horizontally, patent. Leaves crenate-toothed, 

 crenate in front ; stem-leaves coarsely crenate. 

 Sub-alpine. Lower Austria. 



Var. C. alpestris Schott, Nyman. 



Follicles small, at most 8-9 mm. long, sub-truncate above, 

 roundly narrowed into the very short curved beak. Leaves small, 

 at most less than three inches wide, crenate-toothed on the auri- 

 cles, and crenate in front. 



Alpine. Lower Austria, &c. 



4. C. alba Jacquem. 



Seoals white, &c. 

 Himalaya. 



(b) Follicle* curved on the back. 



5. palustris L. 



Follicles erect or patent, curved both on the back and front, 

 and hence obliquely elliptical, contracted into the beak. 

 (i) Sepals larger, ^-~ of an inch long. 

 Var. typica. C. vulgaris Schott, Nyman. 



