28 THE FLORA OF THE ALPS 



carduelis, L. {arctioides, Willd., alpestris, W. K.); capi- 

 tule solitary-, terminal, leaves pinnatifid, glabrous ; moist 

 pastures, occasional. C. defloratus, L. (including glaucus, 

 Baumg., viridis, Kern., rhaticus, DC, and carlincsf alius, 

 Gaud.); branches ending in a long leafless peduncle bear- 

 ing a single capitule, stem winged, leaves more or less 

 sinuate-dentate and spiny, usually glabrous beneath ; very 

 variable ; pastures. C. Personata, Jacq. ; capitules nume- 

 rous, racemose, branches leafy to the summit, upper leaves 

 with long spines, lower deeply pinnatifid ; pastures, fre- 

 quent. C. agrestis, Kern. ; resembling the last, but capi- 

 tules less numerous, lower leaves sinuate-pinnatifid ; 

 Tirol, rare. C. nigrescens, Vill. ; peduncles white-tomen- 

 tose, leafy to the summit ; Dauphiny. C. hamulosus, Ehrh. ; 

 stalk of capitule tomentose, leafless ; Carniola, Dauphiny, 

 Cevennes. C. aurosicus, Vill. ; capitules corymbose, on 

 short stalks, involucral bracts strongly spined ; very rare ; 

 Mont Auronse, Dauphiny. 



46. Kentrophyllum, Neck. 



Outer involucral bracts foliaceous, pinnate, spiny ; pap- 

 pus of ray-flowers o, of disk-flowers composed of dentate 

 scale-like hairs. Not alpine. 



K. lanatum, DC. {Carthamus lanatus, L.); flowers yel- 

 low, capitule solitary, stem leafy, woolly above, leaves 

 sinuate-pinnatifid ; dry, stony ; Canton de Vaud, Valais, 

 Geneva, Pyrenees. 



47. Centaurea, L. 

 Involucral bracts adpressed, scarious, fringed, or spiny ; 

 receptacle bristly ; flowers all tubular, outer ones usually 



