20, 21.] 



PLAN OF THE FLOWER. 



25 



commonly appears a flattened or somewhat convex 

 disk, whose center corresponds to the apex of the axis. 

 On this disk, as on a platform, stand the floral organs 



5, Flower of the Strawberry. 6, Flower of the Pink. 7, Flower of the Lily (Lilium superbum). The 

 pupil will point out the parts. 



above described, in four concentric circles. The gynae- 

 ceum (pistils) occupies the center ; the andrceceum 

 encircles it ; the corolla is next without ; and the 

 calyx embraces the whole. 



CHAPTER II. 



PLAN OF THE FLOWER. 



58. v Such, 'in general, is the organization of the 

 flower. It is simple enough in theory ; and in most 

 of the plants with which he meets, the student will 

 easily recognize these several organs by name. But, 

 in truth, flowers vary in form and fashion to a degree 

 almost infinite. Each organ is subject to transforma- 

 tions, disguises, and even to entire extinction ; so that 

 the real nature of the flower may become an intricate 

 and perplexing study. 



