STARVATION OF VEGETABLE AND ANIMAL TISSUES. 6l 
just described. The cells of which it is mainly composed 
resemble those of the outer layer in their polygonal outlines, 
Fig. 2. — Epidermal cells, x 1000. A. Cells of superficial layer. 
B. Cells of deep layer. 
and in the size and form of their nuclei. They are not, how- 
ever, nearly so flat and thin, but present a tabular in place of a 
scale-like form, each cell being of some depth, and more or less 
convex interiorly. The margins of the cells are deeply and 
closely sinuate, the prominences and depressions of neighbour- 
ing cells being closely adapted to one another [vide fig. b) . 
There is not the same uniformity throughout the whole extent of 
this layer of the epidermis as in the case of the outer layer. 
Intercalated among the cells which have just been described are 
cell spaces, which stand out conspicuously, due to their dark 
