50 Plants and their Ways in South Africa 



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Fig. 58. — Phyllotaxy apparatus. 



^^On the outside of the white paper, divide the circumference 

 into fifths, eighths, etc., as far as you want to show the fractions 

 — fifths and eighths alone are enough for me. I mark the 

 fifths with blue pencil, and the eighths with red. Side view — 



8 



8 



Fig. 59. 



"Now cut leaves of various sizes and number them in order, 

 the smallest being i for 

 convenience sake, though, 

 of course, it is the last 

 in growth. Cut the leaf 

 thus — 



Fig. 60, 



