Position of Calyx 



103 



When the calyx is inserted beneath the ovary upon the end 

 of the flower-stalk (which is known as the thalamus), it is said 

 to be inferior, and the ovary is superior, as in the Ranunculus 

 (fig. 165, and fig. 166, H and p). 



Fig. 166. — Diagrammatic section of liypogynous (/^), perigynous (P), and epigynous(-£) 

 flowers, a, axis, forming convex or concave receptacle, or wall of ovary ; k^ calyx ; 

 c, corolla ; j, stamens ; f^ carpels ; ?i, stigma ; sk^ ovules. (After Prantl.) 



In Other cases the calyx is adherent to the sides of the 

 ovary, only the free limb springing from its upper part (or the 

 calyx springs entirely from the top of the ovary). It is then said 



Fig. 167. — Spurred calyx of Tro^ceolum. Fig. 168. — Caducous calyx of Poppy 



to be superior, and the ovary is inferior (fig. i66, e), as in the 

 Fuchsia, Willow-herb, Apple, etc. 



When the sepals of the calyx are distinct from one another, 



