314 MISC. PUBLICATION 3 6 4. U. S. DEPT. OF AGRICULTURE 

 Munns, E. N. (6217) 



STUDIES IN FOREST TREE SEEDS \ SEED STORAGE AND CHEMICAL TREATMENT. Jour. 



Forestry 20 : 316-317. 1922. 



Ontario Department of Lands and Forests, Forestry Branch. (6218) 



gathering pine cones and other tree seeds. Ontario Dept Lands and 

 Forests, Forestry Branch Circ. 13, 15 pp., illus. 1926. 



Owsianntkoff. W. F. (6219) 



a three-drum seed DRYER. Timberman 27 (10) : 182, illus. 1926. 



Pack. D. A. (6220) 



AFTER-RIPENING AND GERMINATION OF JUNIPERUS SEEDS. Bot. GaZ. 71: 32-60. 



illus. 1921. 



(6221) 



CHEMISTRY OF AFTER-RIPENING GERMINATION, AND SEEDLING DEVELOPMENT OF 



juniper seeds. Bot. Gaz. 72 : 139-150. 1921. 



Pammel. L. H.. and King. C. M. (6222) 



the germination and juvenile forms of some oaks. Iowa Acad. Sci. Proc 

 24: 367-391, illus. 1917. 



and King, C. M. (6223) 



germination of some pines and other trees. Iowa Acad. Sci. Proc. 32 : 123- 

 132, illus. 1925. 



and King, C. M. (6224) 



the germination of some trees and shrubs and their juvenile forms. 

 Iowa Acad. Sci. Proc. 25 : 291-340, illus. 1918. 



and King. C. M. (6225) 



germination studies of some shrubs and trees. Iowa Acad. Sci. Proc. 29: 

 257-266, illus. 1922. 



and King. C. M. (6226) 



studies in the germination of some woody plants. Iowa Acad. Sci. Proc. 

 28 : 273-282 ; 33 : 97-119. 1921, 1926. 



Pearson, G. A. (6227) 



the influence of age and condition of the tree upon seed production in 

 western yellow pine. U. S. Dept. Agr.. Forest Serv. Circ. 196, 11 pp. 

 1912. 



Pettis. C. R. (6228) 



special refort ... on the gathering of speuce seed. N. T. Forest. Fish and. 

 Game Conin. Ann. Kept. 8-9 : 66-73. illus. 1902-3. 



Phillips. F. J. (6229) 



the collection of forest tree seed a profitable INDUSTRY IN MICHIGAN. 

 Mich. Forestry Conin. Kept. 1905-6 : 103-107. 1906. 



(6230) 



the dissemination of junipers by birds. Forestry Quart. 8 : 60-73. illus. 



1910. 



Phillips, R. A. (6231) 



seed collecting in LODGEPOLE pine. Nebr. Univ. Forest Club Ann. 3 : 30-35, 

 illus. 1911. 



Pickford. A. E. (6232) 



studies of seed dissemination in British Columbia. Forestrv Chron. 5 (4) : 

 8-16, illus. 1929. 



Pike, G. W. (6233) 



THE RELATION OF THE VIABILITY OF SEED TO THE AGE OF THE PARENT TREE. Idaho 



Forester 9: 17-18. 1927. 



Raleigh. G. J. (6234) 



chemical conditions in maturation, dormancy, and germination of seeds 

 of gymnocladus dioica. Bot. Gaz. 89 : 273-294. illus. 1930.' 



Recknagel. A. B. (6235) 



THE equipment and operation OF A PRUSSIAN seed extracting establishment. 

 Forestry Quart. 10 : 229-234, illus. 1912. 



