52 



PliotoiJinrogniplis of Botiiiiifiil Studies. 



82.— T.S. Flower-bud, " Cheiranthus cheiri," WallHower. 



Pollen sac. 



■.. . - I Capsule, siliqua, 

 // / in section. 



83. — T.S. Flower-bud, " Iris germanica," Purple iris. 



Calyx with fringe of hairs. 



^,^ Anther. 



Petaloid stiijmas. 



Petals. 



