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Wernham, The Systematic Anatomy of the genus Canephora. 



near the periphery; and calcium Oxalate, chiefly in the form of 

 crystal-sand, with a few small true cluster-crystals, is fairly plentiful. 

 No sclerenchyma is present in the cortex external to the flbrous 

 sheath just described. 



There is a well-marked hypodermis (kyp.) of rather large 

 Square cells" filled with tannin. The epidermis is of cells of similar 



Fig. 4. Canephora madagaseariensis . 



Portion of petiole in transverse section, sliewing the main vascular Strand and one of the 



lateral Strands (l. b.). So. fibres of the sheath; f. fans of parenchyma terminating the 



medullary rays; er. cells containing crystal-sand of calcium Oxalate. 



shape but smaller; all the walls are remarkably thick and lignified, 

 and the cuticle is extremely thick. 



IL Leaf. a) Petiole. The general shape and structure of 

 the petiole is represented in Fig. 3, a and 4. The vascular system 

 comprises one large median bündle, with two ventro-lateral, quite 

 small, bundles. 



