302 
PROFESSOR W. C. WILLIAMSON" ON THE ORGANISATION 
Figure. 
Plate. 
ileferangium, Tiliceoides. 
17 
22 
A vessel only showing the canals of the bordered pits. X 112 
diameters. C. N. 1621, p. 293. 
18 
22 
A vessel the lower part of which exhibits the bordered pits as in 
fig. 16, whilst in the upper part the canals alone are seen. 
X 184 diameters. C. N. 1622, p. 293. 
19 
21 
Cluster of cells from the cortex having the appearance of sclerous 
ones. Due probably to mineralisation. Page 293. 
Letters of reference to the figures of Kaloxylon Hookeri. 
Plates 23 and 24, figs. 20-37 a. 
A, Medullary axis. 
a, Medullary cells. 
h, Vessels of medullary axis. 
B, Exogenous xylem. 
c, Vascular wedges. 
d, ,, laminae. 
e, Vessels and axial bundles. 
g, Primary medullary rays. 
h, Secondary ,, ,, 
i, Cambial line. 
k, Phloem. 
p, p', Innermost cortex. 
p", Epidermis. 
r, Outer cortex. 
r, Canals of outer cortex. 
y, Rootlet (?) 
