: 99 
Spathiphyllum commutatum Scuorr. 
Habitat Moluccas. 
Legit J. J. Surra, Buitenzorg. 
Two opposite spathae. 
GRAMINEAE. 
Zea Mays UL. 
Legit H. J. Lam in suo horto Buitenzorg, March 1920. 
Poor o panicle with a few Q flowers at the base and a ¢ 
branch with & at top. Cfr. Vol. IV, p. 83. 
— Oryza sativa L. 
From the collection of ,,Institute of plant diseases’, Buitenzorg. 
Glumes foliaceous. 
Sacharum officinarum L. 
Photo by J. C. van per Merr, Mohr. 
Bifurcation of the stem. A similar case was mentioned 
Vol. XIV, p. 84. 
Gigantochloa’ 
Legit one of the inspectors of a mortar Company in horto bog. 
Aug. 1921. 
From a dissepiment of the articulate stem spring, perfectly 
straight, a number of fibres (vascular bundles) which are longer 
than the internode in which they reach up. As they are curled 
at the top it is very probable that they have been impeded in 
their growth by the tissues with which they were connected. 
The case is rather a curio than a monstrosity. 
GNETACEAK. 
1. Gnetum Gnemon L. 
Legit J. C. van per Meer Mour, Oct. 1920, Palimanan near 
Cheribon. 
2. Gnetum sp. id. id. 
Augmentation, coalescence and reduction of the leaves. 
Reduction of the internodes. In order to facilitate the tendency 
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