10 



Journal of the Asiatic Society of Bengal. [January, 191 L 



Leaves thin, hair white. 



Leaf rather elongated, drying 

 red-brown ; first pair of 

 lateral veins rather near the 

 margin 

 Leaf rather shorter, not drying 

 red-brown ; first pair of 

 lateral veins more remote 

 from the margin 

 Leaves rather thick ; hairs brown 

 Pubescence absent, but a very few hairs 

 present at the base of the male in- 

 florescence. 

 Leaves hastate, the uppermost losing the 



auricles 

 Leaves s agitate. 



Leaves moderately firm 



Leaves tender 

 Leaves ovate or ovate-cordate. 



thin ; stems with 



fine 



• • 



Leaves very 



prickles below 

 Leaves firm. 



First lateral nerves in the first part 

 of their course rather close to 

 the midrib 

 First lateral nerves in the first part 

 of their course more remote from 

 the midrib : leaves rather narrow- 

 er than in D. nummularia 

 Leaves firm, with, when dry, the 

 network standing out on the lower 



surface 

 Pubescence absent entirely. 

 Leaves linear-lanceolate ; 



coloured 



Leaves broader. 



Base of leaf commonly obtuse or 



rounded only in the very largest, 



cordate in D. Wat Hi. 



with 



• • 



• * 



J bud rose- 



Plant wide climbing, 



leaves and large capsules 

 Plant of lesser dimensions 



large 

 with 



smaller capsules ; leaves ovate .. 

 Plant very slender ; leaves obcuneate 

 Base of leaf cordate or hastate or sub- 

 sagittate. 

 Leaves 5 times as long as broad 

 Leaves only about twice or thrice as 



long as broad. 

 Leaves hastate ; flowers closely 



packed. 

 Network not conspicuous 

 Network conspicuous below. 

 Leaves rarely more than twice 



as long as broad 

 Leaves three times as long as 

 broad ; buds more elon- 

 gated than in D. belophylla 

 Leaves cordate or ovate-cordate. 

 Veins in the exactly cordate 

 leaves very inconspicuous . . 



80. trine rvia. 



67. oppositifolia 

 81. pyrifolia. 



82. Loheri. 



83. Soror. 



84. Foxworthyi, 



85. Seemannii. 



86. nummularia 



81. pyrifolia 



87. Merrilli 



88. grata 



89. Wattii. 



67. oppositifolia 

 63. obcuneata. 



i»0 gibbi flora. 



91. Fordii. 



92. belophylla. 



93. belophylloides 



94. Lepcharum. 



