70 THE FLORA OF THE ALPS 



3. SAROTHAMNUS, Wimm. 



Calyx 2 -lipped, 5 -toothed, lips divergent; standard 

 orbicular ; stigma capitate. Not alpine. 



S. scoparius, Koch (vulgaris, Wimm., Cytisus scoparius, 

 Lk.), Broom; flowers solitary or in pairs, large, yellow, 

 lower leaves of 3 leaflets, upper simple; a shrub with 

 slender branches ; Southern Switzerland, Dauphiny, 

 Pyrenees ; not common. 



4. GENISTA, L. 



Calyx 2 - lipped, 5 - toothed, lips connivent ; flowers 

 yellow, in bracteate racemes; leaves simple; stipules 

 minute or o. Small shrubs. 



A. Stem spiny: G. germanica, L. ; leaves ciliate, 

 standard pubescent, upper lip of calyx divided almost 

 to its base; wood-sides in the lowlands. G. Scorpius, 

 DC.; stem angular, few -leaved, leaves with two small 

 spiny stipules, standard glabrous ; Pyrenees. 



B. Not spiny ; stem leafless, winged : G. sagittalis, L. ; 

 stem prostrate, 2-edged, leaves ovate-lanceolate, flowers 

 in ovate terminal racemes ; stony hill-sides, frequent. 



C. Stem not spiny, leafy : G. pilosa, L. ; stem pros- 

 trate, tortuous, leaves silky beneath, standard and keel 

 silky, pod pubescent; heathy places; Jura, Carinthia, 

 Styria, Pyrenees. G. decumbens, L.; prostrate, upper 

 calyx-lip with 2 short teeth, flower-stalk about three 

 times as long as calyx; Jura. G. tinctoria, L.; stem 

 erect, 1-2 ft., rigid, leaves adpressed, ciliate, flowers 

 targe, \ in, pod glabrous ; meadows, widely distributed. 

 G. mantica, Poll. ; resembling the last, but with hairy 



