228 The Principles of Vegetable -Gardening 



If the masonry wall is lined with hollow or "lining 

 brick," more uniform conditions will be secured. It 

 is very important that provision be made for ample 



Fig. 55. Old-time "outside cellars" or pits. 



drainage, and also for ventilation without opening the 

 main doors. This ventilation is usually secured by 

 a little cupola or shaft near the center of the struc- 

 ture or by windows in the gables. A vestibule entrance 

 is desirable if the climate is severe. It is preferable that 

 the cellar have a natural earth bottom, providing the 

 drainage, either natural or artificial, is complete. 



Fig. 56. A good outside cellar for storing green vegetables. 



A great difficulty with a permanent field or outside 

 cellar is the danger of its holding so much moisture and 

 being so "close' as to encourage the growth of fungi 



