THE PITCHER OF CEPHALOTUS FOLLICULARIS. 181 
the corrugated rim represents the leaf-margin, then the tip of the 
middle dorsal wing would represent the leaf-apex. If, on the other 
e; partly from 
the coincidence of the tip of the middle dorsal keel or wing with 
the leaf-apex in the abnormal specimens mentioned above, and 
partly from the vascular distribution in the normal pitcher. In the 
outwards past the lower extremit of the lateral wing, and passing 
obliquely across the lateral glandular patch to curve upwards 
towards the pitcher orifice, and a middle vein which runs in the 
ventral wall of the pitcher to the bottom, whence 1t passes on to the 
opinion this course of the mi dle vein seems to prove that the 
middle dorsal wing is a development of the midrib, and that its 
pex. : 
three specimens exhibiting the funnel-shaped excavation, 
i the far side of the 
“lateral lines” are distinctly recognisable as ridges, one on. either 
side, running from the junction of the ¢ 
base of the lid down towards the extremity of the pe 
they di : 
1 Sak in idea, one of the funnel-like structures above 
described into the normal Cephalotus-pitcher, we must imagine that 
side of the funnel nearest to -the main axis as remaining © 
atively stationary, while the far side of the funnel becomes 
calceolately pouched to an enormous ex 
tent, forming, in fact, 
* Somewhat similarly, the teeth in line with the lateral wings of the pitcher 
are also of conspicuous size, 
