COMPOSITE 35 



58. TRAGOPOGON, L. 



Flowers yellow or purple ; capitule large, solitary ; 

 involucral bracts in one row, narrow, usually longer than 

 the flowers ; leaves entire, amplexicaul ; fruit with a long 

 beak ; pappus-hairs in several rows, rigid, feathery. Very 

 milky plants ; flowers always closing by mid-day. 



A. Flowers yellow: T. pratensis, L. (including orien- 

 talis, L.), Goat's-Beard ; involucral bracts not longer than 

 the flowers, stem not much thickened below the capitule ; 

 meadows, common. T. dubius, Vill. ; involucral bracts 

 twice as long as the flowers, stem of capitule not much 

 thickened, leaves narrower ; road-sides, local. T. major, 

 Jacq. ; involucral bracts longer than the flowers, stem 

 greatly thickened below the capitule ; road-sides ; Swit- 

 zerland, Dauphiny. 



B. Outer flowers purple, inner yellow: T. crocifolius, 

 L. ; involucral bracts 5-8, longer than the flowers, leaves 

 linear ; very rare ; Great St. Bernard, Dauphiny. 



59. SCORZONERA, L. 



Flowers yellow, purple, or pink ; capitules one or more ; 

 involucral bracts in several rows; leaves entire; fruit 

 elongated, not beaked ; pappus feathery. Alpine. 



A. Flowers yellow: 6\ austriaca, Willd. ; capitule 

 solitary, stem 4-15 in., with a few scale-like leaves, root- 

 leaves broadly oval, glabrous; Southern Switzerland, 

 Jura, Savoy, Tirol, Styria, Dauphiny. 5. humilis, L. ; 

 stem bearing 1-3 capitules, with a few small leaves, 

 woolly, involucre more or less woolly at the base ; 

 Southern Switzerland, Jura, Pyrenees. 5. /tispanica, L., 



