GREEN-HOUSE STRUCTURES. 



61 



houses of this kind, each 70x11 feet, so heated, and otherwise 

 complete, would be about $1200. In erecting all houses on 

 the ridge and furrow plan, the site should, whenever prac- 

 ticable, be such as will admit of extension by future erec- 

 tions, to meet the increase of business. A good plan in 

 beginning is to erect three houses, as shown in fig. 13, 



Fig. 16. END VIEW OF FORCING HOUSE. 



page 57, 50 feet in length, so situated, that as business in- 

 creases, and with more means in hand, the south ends can 

 be taken out, the walls extended 25 or 50 feet further, the 

 Hues thrown out, and the heating done by hot Avater. For, 

 v/henever it can be afforded, the heating by hot water 

 will be found to be much the best ; not that there is any 

 particular saving in fuel over heating by flues, for in this 

 matter there is but little to choose, but it is more durable, 

 pntirely free from danger from fire, or the escaping of 



