very large, two and a half inches in diameter, capitato-corymbose, 

 deep and bright yellow. Involucre turbinate, of several linear- 

 lanceolate erect folioles in a single series, subtended by a few 

 rather long, subulate bracts, forming a kind of involucel. Ligu- 

 1 ate florets sixteen to twenty, large spreading, all female. Disk 

 of numerous tubular florets, which are perfect. Pappus deep 

 tawny when the fruit is approaching to ripeness. 



Fig. 1. Ligulate floret. 2. Floret of the disk: — magnified. 



