THE CALYX. 



49 



The calyx is deciduous (c. deciduus), when it falls with the corolla after flowering 

 {Wallflower, fig. 8) ; — caducous or fugacious (c. caducus), when it falls as soon as 



224. Poppy. 

 Young flower. 

 Caducous calyx. 



229. Scabious. 



Involucred fruit 



(mag.). 



225. Mallow. 

 Persistent calyx. 



227. Mallow. 



Calycule of 



wliorled bracts. 



228. Strawberry. 



Flower with a calycule 



of stipules. 



the flower begins to expand (Poppy, fig. 224) ;— persistent (c. persistens), when it 

 remains after flowering {Pimpernel, fig. 203) ; — marcescent {marcesoens) , when it 

 withers and dries up, and remains attached to the fruit {Mallow) ; — accrescent 

 (c. accrescens), when it continues to grow after flowering {Winter Cherry, fig. 213). 



' Calycules ' and Calyciform Involucres. — The calyx is sometimes accompanied by 

 whorled or opposite bracts, simulating an accessory calyx ; to these have been given 

 the name of calycule or outer calyx {calyculus). The Pink (fig. 226) has a ' calycule ' 



E 



