80 



FLOWERS. 



[s.-iCTION 8. 



of tlie cjMie ill Hydraugea. Tliey are likewise familiar in tlie llobble-bush 

 and ill \\'ild-('raiiberrv tree, Viburuuiu Uxycoceus ; where tiioy form an 

 attractive setliug to the cluster of small aud comparatively ijicouspicuous 



218 



perfect flowers which they adoru. In the Guelder Rose, or Snow-ball of 

 ornamental cultivation, all or most of the blossoais of this same shrub are 

 transformed into neutral flowers. 



234. The Essential Organs are likewise 

 of two kinds, placed one above or within 

 the other ; namely, first, the Stameks or 

 fertilizing organs, and second, the Pistils, 

 which are to be fertilized and bear the 

 seeds. 



235. A Stamen consists of two parts, 

 namely, the Filament or stalk (Fig. 219 a), 

 and the A-nther (I/). The latter is the only 

 essential ]iart. Tt. is a case, commonly with two lobes or cells, each opening 

 lengthwise by a slit, at the proper time, and discharging a powder or dust- 

 like substance, usually of a yellow color. This powder is the Pollen, or 

 fertilizing matter, to prodnoe which is the office of the stamen. 



236. A Pistil (Fig. 220, 221) when complete, has three parts; Ovaby, 

 Style, and Stigma. The Ocan/, at base, is tlie hollow portion, which con- 

 tains one or more Ovules or rudimentary seeds. The Sfj/le is the tapering 



Fro. 218. k fins pleniis, namely, a full doiihle flower of Rose. 

 Fig. 219. A stamen : a, filament : h, anther, (liscliarainc; pollen. 

 Fio. G.^ii. A j>istil; with ovary, a, half cut away, to show the contained ovules i 

 5, style; t, .stigma. 



