DIPSACACE^ 



57 



2. DiPSACUS, Tourn. 



Capitule oblong or cylindrical ; involucre composed of 

 many very rigid, often spiny, bracts ; leaves often connate 

 at the base. Not alpine. 



D. sylvestris, L., Wild Teasel ; flowers purplish, leaves 

 simple, obovate-lanceolate, sessile, prickly; road-sides. D. 

 pilosuSj L. ; flowers nearly white, leaves stalked, with two 

 small segments at the base ; damp hedges. D. laciniatus, 

 L. ; flowers nearly white, stem-leaves pinnatifid, bristly ; 

 Western Switzerland (rare), Jura, Dauphiny, Pyrenees. 



3. SCABIOSA, L. 



Capitule hemispherical or flat ; involucral bracts green, 

 soft, undivided ; outer flowers often larger and irregular, 

 inner flowers tubular ; calyx-limb awned ; corolla curved. 



vS. lucida, Vill. ; flowers violet or pink, outer ones 

 rayed, leaves shining, lower simple, lanceolate, crenate, 

 upper deeply pinnatifid, leaflets serrate ; alpine rocks and 

 pastures, frequent. 6". graminifolia, L. ; flowers light 

 violet, outer ones rayed, leaves linear, entire, silky ; stony 

 pastures ; Ticino (rare), Carinthia, Dauphiny. 6". suaveo- 

 lens^ Desf. ; flowers light violet, outer ones rayed, leaves 

 of barren shoots entire, of flowering shoots pinnate with 

 linear entire segments, awns of calyx very long ; Bale, 

 Schaffhausen, Carniola, Vosges. 5. Columbaria^ L, ; 

 flowers lilac, outer ones strongly rayed, lower leaves 

 inciso-lyrate, upper pinnate with pinnatifid lobes, all 

 finely pubescent, stalk of capitule very slender ; dry hills, 

 common. vS. ochroleuca, L. ; resembling the last, but 



