300 



ORCHARD HOUSES. 



to the fruit. The aphis and red spider are best kept in 

 check by fumigating with tobacco. 



Propagating Houses. — Small glass houses for the pur- 

 pose of propagating rare plants, keeping plants in -winter, 

 or starting them forward in the spring, may be built very 

 cheaply, and, attached to any considerable garden, may be 

 made both profitable and pleasantly useful. 



The span-roof house costs really but a trifle more than 



Fig. 150. — SECTION OF PUOPAGATING-HOUSE. 



a lean-to, when the surfice covered is estimated, and it is 

 so much more ornamental, so much easier managed, and 

 the opportunity to give plants the position and light re- 

 quired, is so much greater, that we wonder it is not more 

 generally adopted. 



It is not always possible to select a location in just the 

 best place, but when this can be done the ends of the 

 house should be north and south, and it should be where 

 perfect drainage may be had, after having excavated three 

 feet deep, for the purpose of sinking the side walls be- 

 lor7 the level of the ground, and thereby reducing the ex- 

 pense of heating. Twelve feet is a good width, while 

 the length may be regulated to suit the proprietor's wants. 



