LEGUMINOS^ 71 



pods; Ticino. G. Delarbrei, L. and L.; similar, but a 

 larger plant, with larger flowers and pods; Jura. G. 

 ovaiay W.K. ; similar, but stem and leaves hairy, leaves 

 broader, and racemes shorter; Styria. G. cmereay DC; 

 stem 1J-3 ft. high, leaves silky, the whole plant grey- 

 green, calyx and standard silky; high; Pyrenees, 

 Dauphiny. G. triangularis^ Willd.; glabrous, branches 

 triquetrous, ascending, leaves lanceolate, mucronate, 

 flowers axillary; Styria. 



5. Cytisus, L. 



Leaves usually of three leaflets, with minute stipules ; 

 flower usually yellow; calyx-teeth very small; wing- 

 petals deflexed after flowering ; style incurved. Shrubs 

 or trees ; not generally alpine. 



A. Leaves opposite : — C. radiatus^ Koch ; stem 2-3 ft. 

 high, leaflets linear, deciduous; Valais, Southern Tirol, 

 Carinthia, rare. 



B. Leaves alternate ; raceme drooping ; calyx campanu- 

 late; trees: — C. Labu7muiny L., the Laburnum; ovary and 

 pod silky, leaves with adpressed hairs; mountain woods; 

 Jura, Ticino, Pyrenees. C. alpinus^ Mill.; flowers dark 

 golden yellow, ovary and pod glabrous, leaflets hairy at 

 the margin ; mountain woods ; Jura, Southern Switzer- 

 land, Carniola, Dauphiny. 



C. Leaves alternate ; raceme not drooping ; calyx cam- 

 panulate; shrubs: — C. decumbens^ Walp.; stem decum- 

 bent, branched, raceme unilateral, calyx hairy, pod 

 black when ripe ; Jura. 



D. Leaves alternate ; raceme not drooping ; calyx 

 tubular; shrubs: — C. hirsutus, L.; flowers 2-4 in., 



