ICONES 



ORCHIDEARUM AUSTRO-AFRICANARUM 



EXTRA-TROPICARUM ; 



OR, 



FIGURES, WITH DESCRIPTIONS 



OF 



EXTRA-TROFICAL 



SOUTH AFRICAN ORCHIDS 



HARRY POLUS, F.L.S., Hon.D.Sc. (Cape) 



VOLUME III. 



London : 



WILLIAM WESLEY & SON, 28, ESSEX STREET, STRAND 



1913 



