PRACTICAL TREATISE 



ON THE 



CONSTRUCTION, HEATING, AND VENTILATION 



HOT-HOUSES; 



INCLUDING 



CONSERVATORIES, GREEN-HOUSES, GRAPERIES, 



AND OTHER KINDS OF 



HORTICULTURAL STRUCTURES. 



WITH PRACTICAL DIRECTIONS FOR THEIR MANAGEMENT, IN 

 REGARD TO LIGHT, HEAT, AND AIR. 



ILLUSTRATED WITH NUMEROUS ENGRAVINGS. 



BY ROBERT B. LEUCHARS, 



GARDEN ARCHITECT. 



BOSTON: 

 JOHN P. JEWETT AND COMPANY, 



17 & 19 Cornhill. 



1851. 



