90 ELEMENTARY BOTANY 
insects. Sometimes, as in the Cornflower, the outer florets 
have neither stamens nor carpels, and their = function is 
to attract insects. 
The disc florets are provided with stamens, and usually with 
& 


Fic. 118. —MEpDIAN VERTICAL SECTION OF CAPITULUM 
OF DoRONICUM. 
r.f, ray florets ; d.f, disc florets ; 7.7, inflorescence-receptacle ; 
im, involuere. 
carpels, so that they make fruit. In Coltsfoot, the disc florets 
do not make fruit, only the ray florets. 

Fig. 119.—Ray FLORET OF Fic. 120.—Disc FLORET OF 
DORONICUM. DORONICUM. 
c, corolla ; sg, stigmas; ov, in- 6, corolla ; », pappus, represent- 
ferior ovary. ing calyx ; - a, anthers; sg, 
stigmas; ov, ovary. 
On the; whole, then, we may say that division of labour 
