AN ASPARAGUS HOUSE. 129 
This Cornell asparagus house—if it may be called a 
house—is about 2zcx50 ft., and the frame is made of 
steam pipes (Fig. 41, page 128). The sides or walls are 
only 18 in. high, and the frame consists simply of a ridge 
and three pairs of rafters. The steam-heating pipe, or 
— 
oon pee ne TP A ee 
42. The asparagus house covered with canvas. 
riser, is seen at A, just beneath the ridge, and this feeds 
two returns upon either side of the house, next the walls. 
When it is desired to force the asparagus, canvas or mus- 
lin is stretched over the frame (as in Fig. 42). No diffi- 
culty has been found in starting the asparagus into growth 
in January and February. The cover is left on and the heat 
