MORPHOLOGY OF HIGHER PLANTS. 



t 



387 



K 



FIG. 227. Flowers of the Composites. Inula Helenium: A, ligulate floret; B, tubular 

 floret; C, achene with pappus; D, pollen grains; E, united anthers showing hooked hairs 

 (h) at the base. 



F, tubular floret of Safflower (Carthamus tinctorius). 



Dandelion (Taraxacum officinale): G, ligulate floret; H, one of the achenes showing 

 spreading pappus on a long stalk which develops after fertilization. 



J, ligulate floret of Coltsfoot (Tussilago Far far a). 



Marigold (Calendula officinalis): K, ligulate floret; L, one of the double hairs from 

 corolla, c, corolla; s, stamens; t, stigmas; p, pappus; h, hairs. 



