PROCEEDINGS 
CALIFORNIA ACADEMY OF SCIENCES 
FourtH SERIES 
Vot. I, pp. 7-288 January 20, 1911 
EXPEDITION OF THE CALIFORNIA ACADEMY OF 
SCIENCES TO THE GALAPAGOS 
ISLANDS, 1905-1906 
Le 
A BOTANICAL SURVEY OF THE GALAPAGOS ISLANDS 
BY ALBAN STEWART 
Botanist to the Expedition 
CONTENTS 
Puates [-XIX 
PAGE 
INTRODUCTION : ; : ; : : 5 é p ; , 8 
ACCOUNT OF THE SPECIES OF VASCULAR PLANTS P ‘ : : 11 
BoTANICAL REGIONS . A : , : ; 3 : : : 206 
GENERAL FEATURES OF THE FLORA . : , } ” : : 211 
EcoLoGicAL Factors . : : ; : : : ) k ; 219 
ORIGIN OF THE GALAPAGOS ISLANDS . : : , ; : é 233 
ORIGIN OF THE FLoRA . : : : d J ; : E 2 239 
BIBLIOGRAPHY OF THE BoTANY OF THE GALAPAGOS ISLANDS. : 246 
INDEX . : A ; ‘ 5 ‘ : 5 : : : 5 249 
EXPLANATION OF PLATES . : : A ; : : 2 2 254 
January 14, 1911 
