144 



PAKTICULAR FORMS OF FLOWERS 



283. ATTACHMENT OF THE FLOWER PARTS.— The parts 

 of the flower may all be borne directly on the torus, or 

 one part may be borne on another. With reference to 



234. Narcissus or daffodil. Single flower at the rlglit ; double flowers at the left. 



the pistil or ovary, the stamens and envelopes may be at- 

 tached in three ways : hypogynous, all free and attached 

 under the ovary, as in Fig. 187 ; perigynous, or attached 

 to a more or less evident cup surrounding the ovary, as 



in Fig. 194; epigy- 

 nous, some or all of 

 them apparently 

 borne on the ovary, 

 as in Fig. 189. 



284. DOUBLE FLOW- 

 ERS. — Under the 

 stimulus of cultiva- 

 tion and increased 

 food -supply, flowers 

 tend to become dou- 

 „ , . , , , , „ ble. True doubling 



235. Petals arising from the staminal column of holly- 

 hock; and accessory petals in the corolla- whorl, arises in two ways, 



