DISCHIDIA WITIL DOUBLE PITCHERS. 379 
a more complete pitcher (PI. 9. fig. 6, m.).. The median lobe, which 
occurred in at least one specimen of D. pectenoides (fig. 4, ap.), is 
absent. The median groove seen in that species (fig. 4, .) 
is present, but extends much farther, for, startiny at the margin 
(fig. 6, g.), it passes round the base of the pitcher and is con- 
tinuous on the other side with the groove of the funnel-shaped 
depression (gd.). It should further be noticed that the wall of 
the inner pitcher is thickly beset with very small glandular 
hairs. Similar hairs are found also on the inner surface of the 
outer pitcher. The inner and outer walls of both pitchers 
retain, even in the dry condition, abundant traces of a lurid 
purple colouring-matter, which was probably more generally 
diffused during life *. 
The Malacca species, D. complex, Griffith’s account of which 
has already been quoted, may next be considered. The inner 
pitcher, though differing much in form, may conveniently be 
compared with that of Haviland’s plant. As to the shape, 
the one figured is probably abnormal (fig. 8). The presence 
of an insect-puncture (fig. 8, pu.) suggests the belief that some 
degree of hypertrophy may have been caused thereby. I am, 
however, unable to confirm this view by examining further 
material. The involution of the sides of the inner pitcher is as 
complete as in the preceding species (fig. 8, m.). A deep median 
groove runs from the free margin to the base, round which it 
passes, disappearing at the point a (fig. 8). The median lobe is 
obsolete, or represented only by an inconspicuous projection, 
Small glandular hairs are abundant on both inner and outer 
walls of the inner and on the inner wall of the outer pitcher. 
The Bornean specimen collected by Motley (525) shows a 
more advanced type of structure. The inner pitcher is deeply 
two-lobed (figs. 9, 10), owing to the deepening of the median 
groove, which is as extensive as in Haviland’s plant. The free 
margin, instead of resting against the neck as in the preceding 
species, is again inflexed, forming two covered passages, one 
leading into each lobe of the pitcher. This is seen in fig. 10, 
* In Wallich’s figure of D. Raflesiana (Pl. As. Rar. vol. ii. t. 142) the 
outside of the pitcher is coloured reddish-brown. Treub (Ann. Jard. Buit. Ml, 
p. 18) in noting this points out that neither Wallich himself nor Griffith 
mentions the presence of colouring-matter in the outer wall of the pitcher, and 
further states that he has never seen the pitchers of the Buitenzorg plants so 
coloured on the cutside. 
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