406 



ASTERACEAE. 



Tribe 12. CICHORIEAE. Chicory Tribe. 

 Herbs with milky juice and alternate or basal leaves 

 and perfect flowers with ligulate corollas. Receptacle 

 naked or chaffy. 



70. CICHORIUM L. 



Erect branching herbs, with alternate and basal leaves, 

 and large heads of usually blue flowers peduncled or in 

 sessile clusters along the branches. Involucral bracts 

 in 2 series, herbaceous, the outer somewhat spreading, 

 the inner erect and subtending or partly enclosing the 

 outer achenes. Receptacle flat, naked or slightly fim- 

 brillate. Rays truncate and 5-toothed at the apex. 

 Anthers sagittate at the base. Style-branches slender, 

 obtusish. Achenes 5-angled or 5-ribbed, truncate, 

 beakless. Pappus of 2-3 series of short blunt scales. 



1. C. intybus L. (Chicory.) Perennial from a long deep tap- 

 root; stems slightly hispid, stiff, branched, 3-9 dm. high; basal 



