Kaloxylon Hookeri and Lyginodendron Oldhamium. ny 



EXPLANATION OF THE FIGURES. 



Plate II 



Fig. i. Transverse section of Kaloxylon Hookeri, Will., with 

 secondary vascular bundles. 



a. Primary xylem of the stele or central cylinder with con- 



junctive parenchyma. 



b. Xylem of secondary vascular bundles. 



p. Phloem of secondary vascular bundles, including perhaps 



elements of the primary phloem. 

 m. Medullary rays separating the secondary vascular bundles. 



c. Inner zone of cortex with the characteristic elements with 



special contents. 



Fig. 2. Transverse section of Kaloxylon Hookeri, Will., in the 

 primary condition. 



a. Primary xylem of the stele or central cylinder, with con- 



junctive parenchyma. 

 p. Primary phloem of the stele. 



d. Zone of parenchyma representing the pericycle and endo- 



dermis. 



b. Inner zone of cortex. 



c. Peripheral zone of cortex. 



