i® 
PROF. WOON-YOUNG CHUN, M. S. 
DIRECTOR OF BOTANICAL INSTITUTE 
NATIONAL SUN YATSEN UNIVERSITY, CANTON 
AND 
MY FORMER TEACHER 
IN RECOGNITION OF 
HIS EXEMPLARY WORK IN BOTANY OF CHINA 
AND 
HIS UPLIFTING INFLUENCE UPON THE 
YOUNGER GENERATION OF CHINESE BOTANISTS 
THIS FOURTH FASCICLE OF ICONES FILICUM SINICARUM 
IS RESPECTFULLY DEDICATED 
