XXXIV 



FLOWER 



465 



(b and c, cp) together constituting the gynoeciutn or pistil. 

 Each carpel consists of an expanded, hollow, proximal 



■nty.apl *''»^ 



' not 



Fio. 124. — Structure of the flower of the Buttercup. 



A, the entire flower from below, showing peduncle (/k/), sepals (j/), 

 and petals (//). 



B, vertical section of flower, showing peduncle (/rf), floral receptacle 

 {Jl. r), sepals (sfi), petals (//), stamen (si), and carpels (cp). 



The carpel r/ is cut vertically, and shows the megasporangium. 

 c, floral receptacle (_/?. r), with carpels (f/), one stamen (j/), and 

 scars left by the removal of the remaining stamens. 



D, stamen, showing filament (yf) and anther {an). 



E, carpel in vertical section, showing venter {vn/) with contained 

 megasporangium (w^. spg), and style {st). 



F, petal, with nectary (fui). 



(a and c, after Vines ; B, D, and F, after Maout and Decaisne ; E, 

 after Oliver.) 



portion or venter'^ (e, vnt), and of a short, hook-like distal 



extremity {st) covered with sticky hairs and called the stigma. 



^ Commonly called ovary. 



H H 



