116 



ACADEMIC BOTANY. 



and the Guelder Rose, or 

 Snow-Ball. In the Wild 

 Hydrangea the central 

 flowers of the cyme are 

 perfect, but small and in- 

 conspicuous ; the outer 

 flowers (called radiant) 

 are large, while, showy, 

 but neutral. 



251. Texture and Per- 

 sistence. — The texture of 

 sepals and petals is de- 

 scribed in the terms used for 

 leaves. In persistence 

 they are Accrescent when 

 they grow after flowering 

 and persist with the fruit, 

 of which they often form 

 a part; Bois d'arc. Bread- 

 fruit, Ground-Cherry ca- 

 lyx ; Caducous, Fugacious, 

 when they fall early ; petals 

 of Sweetbrier; Ephem- 

 eral, enduring but a day ; 

 Poppy ; Marcescent, when 

 they wither, but persist 

 Tio. 164.— a, Balsam, Tonch-me-not {Impatiau with the fruit; calyx of 

 NolMm-tangere) ; 6, pod ; c, same, open. Hollyhock. 



LESSON XXIII. 



THE MAN'S HOUSE (ANDRCECIUM). 



252. Number of Stamens. 253. Position in regard to Calyx and 

 Corolla. 254, 255. Position in regard to one another. 256. Position 

 in regard to the gynoecium. 257. The three modes of insertion. 258. 

 Gynandrous flowers. 259. Dynamic stamens. 260. Filament. 261. 

 Anther: 262. Its attachment; 263. Its facing; 264. Its cells or 

 lobes; 265. Its forms; 266. Appendages. 267. Dehiscence. 268, 

 269. Pollinia. 270. Eormation of Pollen. 271. Pollen-grains. 



253. Number of Stamens. — Taking the Greek numerals already 

 given (235) and prefixing them severally to the Greek andros (man, 



