Ol<^«^ 



267 268 



Figs. 266-282. Forms of Corollas. 



266, papilionaceous : s, the standard (in the sense of flag or pennant) ; w, the 



wings; k, the carina or keel; 267, a papilionaceous flower seen from the under 



side, lettering as in 266 ; 268, longitudinal diagram of the inflorescence of one of the 



Compositse: /, bract of involucre; g, ligulate ray flower; r, tubular disk flower; 



269 270 271 272 273 274 



269, trumpet-shaped; 270, funnel-form; 271, campanulate; 272, parts of a petal: 

 y, the limb ; a, the claw ; 273, salver-shaped ; 274, rotate ; 



278 279 280 



27s, bilabiate-personate ; 276, bilabiate; 277, inflated-tubular corolla of Pentste- 

 mon split open and showing the sterile filament between the four fertile ones; 

 278, flower of evening primrose with inferior ovary and so-called calyx tube pro- 

 longed above it; 279, tubular-rotate; 280, rotate-fimnel-form ; 281, bilabiate, with 

 helmeted calyx; 282, trumpet-salver-form. 



395 



