LEAVES 



219 



plant of the northern states (a Sarracenia) is a well- 

 known bog plant (Fig. 185), but it is not so elaborately 

 constructed for capturing insects as is a common south- 

 ern Sarracenia (Fig. 186). In this plant the leaves are 

 slender, hollow cones, and rise in a 

 tuft from the swampy ground. The 

 mouth of this conical urn is overarched 

 and shaded by a hood, in which are 



FIG. 187. Leaves of the Californian pitcher-plant, 

 showing the twisted and winged pitcher, the 

 overarching hood with translucent spots, and the 

 fish-tail appendage to the hood. After KEENER. 



FIG. 188. Leaf of Nepen- 

 thes, showing the blade- 

 like base, the tendril 

 portion, and the termi- 

 nal pitcher with its lid. 

 After GRAY. 



translucent spots, like numerous small windows. Around 

 the mouth of the urn are glands which secrete a sweet 

 liquid (nectar). Inside, just below the rim of the urn, is 

 a glazed zone, so smooth that insects cannot walk upon 



