THE ART OF THE SECOND GROWTH 

 c. Results of Forest Service seed collection: 



All of the data tabulated refer to cleaned seeds, free from wings, dust and dirt. 



V. Statistical notes. 



a. Spruce in the Adirondacks (after ClilTord R. Pettis). 



1. Cost of picking cones 50 cents per bushel (green). 



2. One bushel of green cones yields two bushels of dry cones, 

 containing 1% pounds equal to IVz quarts of Spruce seeds. 



3. One bushel of cones weighs 60 pounds, one bushel of seeds 

 40 pounds. 



4. One pound of seed contains 150,000 grains. 



5. It costs 95 cents to collect, cone and clean one pound of seeds. 



b. White Pine at Biltmore. 



1. 100 bushels of cones will weigh 2,200 pounds (a "long ton"). 



2. One bushel contains 600 to 700 cones, and yields, on an 

 average, Ys pound of absolutely clean, wingless seeds. 



3. One pound of such seed contains 25,000 to 30,000 grains. 



c. Yellow Pine (ponderosa) in New Mexico (after Wm. H. Mast). 



1. One bushel of cones yields 1.55 pounds of clean seed. 



2. The expense of collecting, coning and cleaning averages 

 23 cents per pound. 



d. Colorado Blue Spruce in New Mexico (after Wm. H. Mast). 



1. One bushel of cones yields 1.2 pounds of clean seeds. 



2. The expense of coning, collecting and cleaning averages 23 

 ■cents per pound. 



e. Shortleaf Pine (Pinus echinata) at Biltmore. 



One bushel of cones yields one pound of clean, wingless seeds 

 At an expense of $1.00 per pound. 

 53 



