vl SOUTH AFRICAN BOTANY. 
Longmans, Green & Co.) for the privilege of 
using illustrations from Edmonds and Marloth’s 
“Elementary Botany for S. Africa,” and from 
the Revd. Prof. Henslow’s “South African 
Flowering Plants,” and to Messrs. C. J. Clay and 
Sons (Cambridge University Press) for the pri- 
vilege of using illustrations from Sir Francis 
Darwin’s excellent manual, “The Elements of 
Botany ”. 
. F. W. STOREY. 
Buormrontein, 1915. 
PREFACE TO SECOND EDITION. 
Tue call for a new edition of the “South African 
Botany” has afforded an opportunity to correct 
a few mistakes incidental to a first edition and to 
remodel a few paragraphs. The only actual ad- 
ditions to the book are an Appendix to Chapter 
II. on “Turgor of the Cell” and “ Experimental 
Work” and anew Appendix on the Potometer. 
