CHAPTER VI. 
THE GREAT MODERN FORCING HOUSES. 
There are but few larger glass houses in the world than 
the one-acre structures at the Dreer grounds, at Riverton, 
New Jersey, and it is, therefore, not out of place for a book 
with the Dreer imprint to speak with some authority upon 
methods of turning winter into summer. 
These glass houses at Riverton, however, are not used for 
the commercial production of winter vegetables, and so we 
Sea a GIP ee ss cedar 
, rbrorby Ne : or Noe 
VEGETABLE FORCING HOUSES OF W. L. ALLEN, AT ARLINGTON, 
MASSACHUSETTS. 
have looked towards Boston for types of the best and largest 
American forcing houses, and for the best methods of growing 
vegetables for market in the winter season. 
It is one thing to grow things under glass, regardless of 
cost, and another to show a clear and satisfactory balance of 
receipts above expenses. The Yankee grows vegetables on 
business principles, rather than for sentiment or luxury, and 
as his houses are among the best to be found in this country 
we have turned our camera in his direction. 
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