85 
LAURACEAE. 
Cassytha filiformis L. 
Legit W. M. Docrers van Leeuwen, April 1919, Poeloe Sebesi, 
Str. of Sunda. | 
A stem of 8 d.m. length fasciating: base 4 m.m. wide, 
increasing to 18 m.m. No splitting up although many meristemes 
are visible inside. Nevertheless the stem produces many thin 
branchlets 2 d.m. long and 1 m.m. thick which twine about and 
are provided each with a sucker. It deserves special attention 
that a stem which has the faculty of twining loses this power 
completely on account of its fasciation and can only be helped 
by its branches. ’ 
LORANTHACEAE. 
Loranthus pentandrus. 
Legit J. C. van per Meer Monr, Palimanan, Nov. 1920. 
Two-topped leaf. Midrib bifurcates as far as the base of the 
lamina. 
EUPHORBIACEAE. 
Euphorbia splendens Bojer. Fig. 14. 
Legit J. J. Smrrn in suo horto, April—Sept. 1920. : 
As is well known the two highest opposite bracts, which 
enclose each cyathium, are petaloid and coloured bright red. 
In Dr. Smiry’s private garden one of the specimens is mutating 
so far as the bracts which spring from a lower portion of the 
inflorescence take the same character as the bracts proper. 
Dr. Suir states that his specimen has shown the same appear- 
ance already before this. (Fig. 14a and 0). 
Manihot utilissima Pohl. 
Legit J. C. v. p. M. M., Palimanan, Oct. 1920. 
Leafblade split up into 4 very dissimilar portions. 
Phyllanthus Niruri L. 
. Legit J. C. v. p. M. M., May 1921, Medan, Sumatra. 
Stems and branches strongly ramifying. This is caused by two 
