4i 4 Scott & Sargant. — Arum macu latum . 
Fig. 14. Transverse section of stem-bud, passing through the growing point. 
From seedling of age shown in Fig. 1. Six bundles in the cotyledon ; one of 
them — which will disappear later — is very slender. Three bundles in the first leaf. 
Fig. 15. Transverse section through central part of hypocotyl, showing 
transition from stem to root structure. Drawn from same seedling as Fig. 14. 
ph ., phloem of midrib which is branching to right and left. 
px., protoxylem of midrib. 
x, x, x, x, four groups of xylem forming crescent in front of midrib. 
Figs. 1-9 are drawn by Mrs. Scott ; Fig. 10 by Mr. G. T. Gwilliam; Figs. 11-15 
by Miss E. Sargant. 
