i experimental Study of the Rest Period 

 in Plants. Seeds. Univ. of Missouri, 

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 Bulletin No. 17, 1915. 



^Testing Seeds at Home. By A. 7. Pieters. 

 Reprinted from the Yearbook of the 

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 Rules and Apparatus for Seed Testing. 



U. S. Dept. of Agriculture, Circular 



ifo. 34. 



t) 



Some Methods in the Germination Tests of 



Coniferous Tree Seeds. By J.S.Boyce, 

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 ua^yniversity of llebraska, 1915. 



N Cooperative Experiment with Forest Tree 



o^^t *& 

 Seeds. By Geo. C. Butz. The Penn- 





 sylvania St^te College. v^.3" 3 



\^The Influence of Age and Condition of the 

 Tree upon Seed Production in Western 

 Yellow Pine. By G. A. Pearson. U. S. 

 F. S., Circular Ho. 196. 

 The Vitality of Seed Treated with Carbon 



Bisulphid. U. S. Dept. of Agriculture, 

 Division of Botany, Circular Ho . 11 



338447 



