52 Plants and their Ways in South Africa 



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



Fig. 58. — Phyllotaxy apparatus. 



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



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 — 

 Fi^. 60. <« Roll up the paral- 



lelogram to form a petiole. These petioles will slip into the 



