& 
112 THE DISK. 
om 
XIII. THE DISK. ; 3 
423. This term is applied to the fleshy part that occa-— 
sionally intervenes between the stamens and the pistil, and is 
often an expansion of the receptacle. It is 
424. Hypogynous, when it is between the receptacle and — 
the ovary, which is in this ease superior; Cruciferae, Labiate. 
425. Perigynous, when it lines the tube of the calyx; Ro- a 
sacex, Pomacez. 2 
426. Epigynous, when it is placed above the ovary, whieh : 
is inferior ; Umbellifere. : 
427. The insertion of the stamens and position of the disk 
always correspond. The disk is always found in the Rosa-_ 
cee, Labiate, Umbellifere, Boraginee. In Peony, it is in- 
the form of a shallow cup, surrounding the base of the ovary: 
XIV. THE PISTIL. 
_ 428, This organ stands in the centre of the flower, and 
appears to be a continuation of the peduncle. _ It consists of 
three parts,—the ovary or germen, the style, and the stigma. 
In general, there is only one pistil, as in the Poppy. Some- 
times, however, there are many, as in the Ranunculus. 
_ Fig. 40 (Atropa Belladonna), in which a is the ovary oF ge? 
Fig. 40. ; Fig. 41. Fig. 42. 
