GENTIANACE^E 65 



small, thick, nearly orbicular, in densely imbricate rosettes ; 

 alpine pastures, local. G. verna, L. (PL 86); stem 1-2 

 in., flowers solitary, azure, about I in., angles of the 

 calyx winged, leaves elliptic-lanceolate, not in rosettes ; 

 alpine and sub-alpine pastures, common. G. cestiva, R. S. 

 (angulosa, Bieb.) ; flowers somewhat larger, angles of the 

 calyx with broader wings, leaves lanceolate; pastures, 

 frequent. G.pyrenaica, L. ; stem I J-2J in., flowers soli- 

 tary, calyx with five triangular appendages between the 

 lobes, leaves stiff, linear, mucronate ; Pyrenees. 



F. Corolla blue, 5-lobed, not bearded ; annual plants : 

 G. utriculosa, L.; stem 2-8 in., branched, flowers terminal, 

 azure, about f in. long, calyx inflated, with broad wings 

 at the angles, radical leaves in rosettes, nearly orbicular, 

 stem-leaves lanceolate; marshy meadows, frequent. G. 

 nivalis, L. ; stem 2-4 in., branched, flowers small (J-f 

 in.), azure, calyx slender, cylindrical, angular, radical 

 leaves ovate, in rosettes, stem-leaves lanceolate; high 

 alpine pastures, frequent. G. prostrata } Haenke; stem 

 about 2 in., prostrate, branched, flowers small, light blue, 

 with triangular appendages between the corolla-lobes, 

 calyx cylindrical, with projecting angles, leaves obovate, 

 not in rosettes ; Tirol, Styria, Carniola, Carinthia, Car- 

 pathians, Salzburg. 



6. MENYANTHES, L. 



Flowers in racemes; calyx-teeth, corolla-lobes, and 

 stamens each 5 ; corolla fleshy ; ovary I -celled ; stem 

 leafless ; radical leaves of three leaflets. Bog plants. 



M. trifoliata, L., Bog-Bean ; flowers white or pink ; 



bogs, frequent. 



VOL. II. E 



