m- ' BlCEMISE^ 



A CHAPTER ON GREENHOUSES. — No. HI. 



For the illustrations of this number, I give the ground-plan and two 

 elevations of a small house, more familiarly known under the name of 

 a pit. Elevation No. i is more particularly used for professional or 

 commercial purposes, in the propagation and growth of plants and early 

 vegetables. Being very low, it is easily warmed, and the temperature 

 readily controlled. This form is much in use among nursery-men, and is 

 well adapted for propagating-purposes. 



Elevation No. 2 is better arranged for the amateur who wishes a small 

 house easily and cheaply constructed : it will enable him to keep his stock 

 of bedding-plants, with the desirable tender and half-hardy varieties used 

 in decorating his grounds during the summer months, and be a source of 

 recreation and pleasure for his leisure moments. The ground-plan being 

 the same, the difference is in having a side-sash, a part of which is used for 

 ventilation : it also gives more height, and thus allows of the growth of larger 

 plants. 



The location of this house for the amateur should be near to or in the 



VOL. IV. 41 321 



