MALVACEAE. 



[CLASS 



FIG. 91. Vertical section of a flower of Mallow. 



OBSERVE the 3 bracts closely applied to the calyx, 

 forming an involucre, sometimes called an epicalyx: the 

 valvate aestivation of the lobes of the calyx, and imbricated 

 (contorted] aestivation of the corolla : the slight adhesion 

 of the oetals to the stamen-tube at its base : the i-celled 



