Wernham, The Systematic Anatomy of the genus Caneph,ora.. 455 



The parts examined respectively for each species were of 

 corresponding- age and matiirity of development. 



C. madagascariensis Gmelin. 



I. Stern (Fig. 2). — The pith consists of rounded cells with 

 rather large lumina and with distinct intercellular Spaces. The 



Fig. 2, a. 



Fig. 2. Ganeidhora madagascariensis. 



a. A portion of the stem in transverse section; for explanation of lettering, see text. 



b. Diagram of the whole stem in transverse section. 



Lac, lacunae in the pith ; other signs as in Fig. 3. 



walls are for the most part thick and lignified, especially in the 

 peripheral zone where the pith passes more or less insensibly into 

 the primary xylem. In the central part of the pith, groups of thin- 

 walled cells (th.) appear; and two large lacunae (lac), which 



