68 



Forest Mensuration 



B. Softwoods. Softwood lumber is inspected from its best side 

 Under "edgegrain" is understood lumber the face of which forms an angle 

 of less than 45 degrees with the plain of the medullary rays contained in 

 the board. All other lumber is termed "flat grain" or "slash grain," also 

 "bastard grain." 



I. Finishing Lumber, i" to 2" thick, dressed one or two sides. 



1. First and second clear, 



up to 8" wide ; absolutely clear ; 

 10" wide ; one small defect permitted ; 



12" and over wide; ^ of stock may have one standard knot or 

 its equivalent. 



2. Third clear, 



allows of twice as many defects. 



II. Flooring, i" thick and 3" or 4" or 6" wide before dressing; either 

 with hollow back or with solid back; 



1. A, B and C flat grain flooring ; wherein "A" is clear and "B" al- 



lows of one or two standard defects ; 



2. A, B and C edgegrain flooring; with the same allowance; 



3. No. i and No. 2 fence flooring. 



