OEGANS OF EEPBODTJCTTON. 



Fig. 640. Fig. 641. 



Fig. 640. thai Thalamus of Neluvibium. carp. Carpels. Fig. 641. Mon- 

 strous development of the flower of the Rose, showing the axis 



prolonged beyond the flower and hearing true leaves. Fig. 642. 



Flower of a species of Gynandropsis, belonging to the Capparidaceas. 

 cal. Calyx, cor. Corolla, st. Stamens, thai. Prolonged thalamus or 

 gynophore, supporting the ovary, ov. 



siderable extent the form of the flower. Most of these forms 

 of the thalamus have been already referred to when describing 

 the apocarpous pistil, but it will be more convenient for re- 

 ference, &c., if we now speak of all the essential modifications. 

 In the species of Magnolia, Tulip Tree, and plants of the order 

 Magnoliacese generally, the thalamus is cylindrical {fig. 590) ; 

 in plants also of the order Anonaceae, it usually acquires a 

 somewhat similar form ; in the Raspberry {fig. 592), and spe- 



