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284 PHARMACEUTICAL BOTANY 
enclose the ovules. In angiosperms it forms a closed sac which 
envelops and protects the ovules, and when complete is composed 
of three parts, the ovary or hollow portion at the base enclosing 
the ovules or rudimentary seeds, the stigma or apical portion which 
receives the pollen grains, and the style, or connective which 
Fic. 201. 
Fic. 204. Fic. 205. 
Fic. 203. 
Forms or Gyncac1uM 
Fic. 201.—Monocarpellary pistil of Broom (Scoparius). 0, ovary; s, style; 
t, stigma. Fic. 202.—Barberry (Berberis). 0, one-celled or unilocular ovary; 
ov, ovules attached to marginal placenta (f); st, sessile stigma. One stamen dehisc- 
ing by recurved valves is shown. Fic. 203.—Bicarpellary, syncarpous gyncecium 
of Tobacco (Nicotiana Tabacum). 0, ovary; s, style; g, capitate stigma. Fic. 204.— 
Syncarpous gynoecium of Primrose (Primula) with simple style and capitate stigma. 
Fic. 205.—Median lengthwise section through flower of Pzony (Paonia). ds, 
dorsal suture of carpel; vs, ventral suture. (After Small.) 
unites these two. The last is nonessential and when wanting 
the stigma is called sessile, as in the Poppy. The carpel clearly 
shows its relations to the leaf, though greatly changed in form. 
The lower portion of a leaf, when folded lengthwise with the 
margins incurved, represents the ovary; the infolded surface 
upon which the ovules are borne is the placenta; a prolongation 
of the tip of the leaf, the stigma, and the narrow intermediate 
