FOREST BOTANY 317 



Wilson, Ellwood. (6276) 



the seeding of spruce. Canad. Pulp and Paper Assoc, Woodlands Sect. 

 Proc. 1929: 56-59. 1929. 



Woodward, F. H. (6277) 



the germination of poplars. Jour. Bot. 45 : 417-419. 1907. 



Young, L. J. (6278) 



germination of yellow poplar seed. Jour. Forestry 17 : 101. 1919. 



Zederbauer, Emerich. (6279) 



experiments in the preservation of forest seeds. Soc. Amer. Foresters 

 Proc. 6 : 92-97. 1911. 



Ziegler, E. A. (6280) 



seed data on some secondary tree species. Forestry Quart. 13: 361-364. 

 1915. 



Zon, Raphael. (6281) 



SEED PRODUCTION OF WESTERN WHITE PINE (PINUS monticola dougl.). U. S. 

 Dept. Agr. Bull. 210, 15 pp. 1915. 



and Tillotson, C. R. (6282) 



seed production and how to study it. Soc. Amer. Foresters Proc. 6: 133- 

 152. 1911. 



NURSERY PRACTICE 

 Alwood, W. B. (6283) 



growing forest tree seedlings. Va. Agr. Expt. Sta. Bull. 88, 14 pp. 1898. 



Anderson, P. O., and Oppel, A. F. (6284) 



raising white pine in Minnesota. Minn. State Forestry Bd. Bull. 5, 32 pp., 

 illus. 1920. 



Arnold, P. E. (6285) 



protection and care against weeds in the forest nursery. Forest Leaves 

 19: 99^-101. 1904. 



Beall. C. F. (6286) 



the forest school nursery. Mont. Univ. Forestry Club, Forestry Kaimin 

 1929: 21-25, illus. 1929. 



Berry, J. B. (6287) 



growing tree seedlings. Ga. Univ. State Col. Agr., Ext. Circ. 34, 8 pp., illus. 

 1916. 



Bogus, E. E. . (6288) 



forest nurseries and their care. Mich. State Bd. Agr., Farmers' Insts., 

 Bull. 10: 78-79. 1903-4. 



Brewster, D. R. (6289) 



an improved form of nursery seed bed frame. Forestry Quart. 14 : 183-187. 

 1916. 



(6290) 



studies in western yellow pine nursery practice. Jour. Agr. Research 31 : 



1101-1120, illus. 1926. 



Brock, R. E. (6291) 



broadcast sowing vs. drill planting. Pa. Dept. Forestry Bull. 6: 14-15. 

 1910'. 



(6292) 



fertilizers for renewing nursery soils. Pa. Dept. Forestry Bull. 6: 11-14. 



1910. 



Burns, G. P. (6293) 



STUDIES IN TOLERANCE OF NEW ENGLAND FOREST TREES. 1 : DEVELOPMENT OF WHITE 

 PINE SEEDLINGS IN NURSERY BED'S. Vt. Agr. Expt. Sta. Bull. 178, 18 pp., 



illus. 1914. 

 and Hooper, F. P. (6294) 



STUDIES IN TOLERANCE OF NEW ENGLAND FOREST TREES, 2 : RELATION OF SHADE TO 

 EVAPORATION AND TRANSPIRATION IN NURSERY BEDS. Vt. Forest SerV. PUD. 



15, 28 pp., illus. 1914. 



