CHAPTER XI. 
THE CALCEOLARIA AND CINERARIA HOUSE. 
THE Calceolaria and Cineraria are two such well-known 
species that they need no description, although for 
Fic. 25.—SECTION OF A SIXTY-FEET SPAN-ROOF CARNATION HOUSE, 
EIGHTEEN FEET WIDE. 
Reference to plan.—aaaa, top ventilators; BBB, sliding sashes; ccccc, zinc 
shutters, made to lift up and down in runs for the admission of air, when the 
sashes, ‘B,’ cannot be opened; DD, staging all round the house, two feet three 
inches wide, to hold three rows of carnations; E, the centre stand, showing how 
the fixed troughs are made for the plants, nine inches wide and seven inches deep ; 
F, hot-water pipes ; G, pathway. 
END SECTION OF HOUSE. 
all that, practical treatises never seem to be out of 
place regarding them. They are usually considered 
