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PHARMACEUTICAL BOTANY 
volucre or protective whorl of bracts, and composed of numerous 
florets that may be: (a) wholly regular, tubular and hermaphrodite 
(Thistle, etc.); or (b) central florets as in (a), but marginals strap- 
Fig. 193 . — Matricaria chamomilla — Branch and dissected flowers. (Sayre) 
shaped or ligulate and usua’ly pistillate (Daisy, Dahlia, etc.); or 
(c) florets all ligulate and hermaphrodite (Dandelion, Chicory, etc.); 
or (d) florets in part or in whole bilabiate (Mutisia, etc.). Flowers 
small (florets) closely crowded, pentamerous, shaped as above, with 
