LEGUMINOS^ 73 



corolla not longer than the calyx, stem woody, glandular- 

 pubescent ; hills ; Southern Switzerland, Pyrenees. O. 

 minutissiina, L. ; flowers smaller, crowded, corolla bright 

 yellow, but the spring flowers often apetalous, autumn 

 flowers in loose spikes ; Dauphiny, Pyrenees. 



B. Flowers red or purple : — Our two common English 

 species of Rest-harrow, O. spinosa, L. (campestris, Koch), 

 and arvensis, L. {repens, Koch, procurrens. Wall.), are 

 common in sandy places. The following are sub-alpine : 

 — O. rotundifolia^ L. ; flowers 2-3 in the axils of the 

 leaves, stalked, leaflets all stalked, nearly round, dentate, 

 plant glandular-pubescent ; high ; Jura, Southern Swit- 

 zerland, Dauphiny, Pyrenees. O. fruticosa, L. ; flowers 

 large, purple, in fascicles of 2 or 3, leaves glabrous, 

 leaflets oblong, sessile, strongly toothed ; a glabrous shrub 

 1-2 ft.; high ; Dauphiny, Pyrenees. O. cenisia, L.; flowers 

 solitary in the axils of the upper leaves, leaflets small, 

 coriaceous, sessile, glabrous, stem slender, prostrate; 

 high ; Dauphiny, Pyrenees. 



7. Trigonella, L. 



Filaments monadelphous ; calyx tubular ; legume longer 

 than the calyx, curved. Not alpine. 



T. fnonspeliaca, L. ; flowers yellow, in few-flowered 

 nearly sessile umbel-Hke racemes; dry hills; Southern 

 Switzerland, Dauphiny. 



8. Medicaco, L. 

 Flowers small, yellow or violet, in very short racemes ; 

 filaments diadelphous; legume coiled or curved spirally, 

 often spiny. Not alpine. 



