UMBELLIFER^E 125 



involucral bracts white, as long as umbel, stem slender, 

 8-12 in.; bushy places; Tirol, Carniola. 



5. ERYNGIUM, L. 



Leaves fleshy, lobed or cut, with spiny teeth ; flowers 

 sessile, in very dense heads ; involucral bracts hard, rigid ; 

 calyx-teeth longer than petals ; petals narrow, with a long 

 inflexed point. 



E. alpinum, L. ; radical leaves cordate, simple, 

 stem-leaves 3-lobed, lobes deeply divided, involucral 

 bracts digitate, with stiff teeth, blue or white; alpine 

 pastures ; Western and Southern Switzerland, Jura, 

 Dauphiny, Carniola, Carinthia. E. spina-alba, Vill. ; 

 flowers white, leaves very thick and spiny, involucral 

 bracts linear-lanceolate, pinnatifid, spiny, white ; high ; 

 Dauphiny. E. Bourgati, Gou. ; flowers blue, involucral 

 bracts bluish-green, linear or linear-lanceolate, ending 

 in a spine, and with 1-3 spiny teeth on each side ; pas- 

 tures ; Pyrenees. E. campestre, L. ; flowers white, in- 

 volucral bracts nearly white, ending in a spine and 

 toothed on each side, stem -leaves winged, decurrent, 

 with auricled base; roadsides, occasional. 



Tribe SMYRNIE^:. Umbels compound; fruit short, 

 ovoid or didymous, compressed laterally, ridges not 

 winged ; vittae obvious ; commissure narrow ; seeds 

 grooved ventrally. Genera 6-9. 



6. PHYSOSPERMUM, Cuss. 



Flowers white ; umbels compound ; calyx-teeth small 

 or o ; petals with a long inflexed point ; fruit didymous, 



