BOOK y. 



THE PROPAGATION AND USES OF GREEN- 

 HOUSE PLANTS. 



Fig. 22. — End Section of Cucumber Pit and Propagating House 



for the Profession. 



Reference to Plan. — a a, tank, flow and return ; n, chamber in 

 ■which rhubarb may be fo.ced; c, floor in which the bed or plunging 

 material rests ; d, bed, &c. ; e e, flow and return pipes ; f, pathway ; 

 g g, ventilators. 



This class of house is adapted for the propagation of all classes of 

 plants to any extent; and also for the forcing of flowers, cucumbers, 

 &c. It is admiiably adapted for cold counties, being completely under 

 control in severe weather. 



