SYMMETRY OF VEGETATION; 
AN OUTLINE 
OF THE 
PRINCIPLES TO BE OBSERVED IN THE 
DELINEATION OF PLANTS: 
BRING 
THE SUBSTANCE OF THREE LECTURES 
DELIVERED TO 
THE STUDENTS- OF PRACTICAL ART, AT MARLBOROUGH HOUSE, 
IN NOVEMBER, 1852. 
BY JOHN LINDLEY, PII.D. F.B.S. 
{PUBLISHED BY AUTHORITY 
TOR THE DEPARTMENT OF SCIENCE AND ART.) 
LONDON: 
CHAPMAN AND HALL, 192. PICCADILLY. 
1854. 
Price One Shilling. 
