Introduction ix 



and Miss Hannah Albertyn for the illustrations furnished by 

 them, and to Miss Ethel M. Doidge for those bearing her 

 initials, to Miss A. V. Duthie for numerous drawings, and to 

 the untiring interest of Mrs. G. A. Bottomley, to whom the 

 greater number of the original pen-and-ink drawings are due. 



The author is indebted to the publishers (Messrs. Long- 

 mans, Green, and Co.) for the privilege of using from 

 Edmonds and Marloth's " Elementary Botany of South 

 Africa," Rev. Prof. Henslow's " South African Flowering 

 Plants," Thome and Bennett's " Structural and Physiological 

 Botany," and Farmer's " Practical Introduction to the Study of 

 Plants," the illustrations acknowledged in the text. 



This work is the second of " The South African Science 

 Series," the first being Mr. Rogers' " The Geology of Cape 

 Colony," designed by Dr. Muir to promote the study of natural 

 science in South Africa. 



Huguenot College, Wellington, 

 South Africa, 



February, 1 906. 



