140 COMMERCIAL ROSE CULTURE 



acter house could be constructed for Roses of a higher growth 

 by making the sides correspondingly high. 



No. 2 is an interior view of one of the houses given here 

 for the purpose of showing the arrangement of benches. 



Nos. 3 and 4 show exterior and interior views of a large 

 commercial house used principally for growing American 

 Beauty Roses. This house also consists of a flat iron rafter 

 frame, the rafters being spaced about 8' 3'' apart and supported 

 with columns as shown in No. 4. 



This house is 35 feet wide and 317 feet long. In this in- 

 stance, also, wood siding was used, but more permanent results 

 could be obtained through the use of concrete or tile, which is 

 the most modern method. 



In this case solid beds were used about 2' high. These 

 were formed by the use of 2" boards secured to stakes set in the 

 ground. The heating consists of hot water, a temperature of 

 60 being maintained when the outside atmosphere was at zero. 

 This house gave excellent results in growing American Beauties. 

 Nos. 5 and 6 show exterior and interior views of a better 

 quality of house. This house is 18' wide and 50' long, with a 

 horizontal partition midway, one compartment being used for 

 growing Roses and the other for general stock. Every bar of 

 this house consists of an iron bar capped with wood to hold 

 the glass. The eaves of the house are curved, thus doing away 

 with the heavy eaves plate and so decreasing the shadow in the 

 house. The strength of the bar is such that glass 24" wide 

 may be used. This construction gives a house of the greatest 

 strength, with maximum light and, for flower production, is 

 by far the best type of construction. 



This house may be made of any width or height and can 

 be composed of one or the other of the two types of construc- 

 tion on the market today adapted for this purpose, either the 

 Pierson "U"-Bar or Payne "T"-Bar constructions. Where 

 short curved eaves of this character is used it is better to employ 



