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14 Studies in plant propagation. N. Y. (Cornell) 



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15 Key to evergreen Ilex. Amer. Nurseryman 



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16 Eflfect of synthetic growth substances on the root- 

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17 Chemicals hasten root growth. Amer. Nursery- 

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18 and Kiplinger, D. C. The effect of synthetic growth 



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20. Cox, E. H. M., and Stoker, F. Stimulation of root formation in cut- 



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21. DeFrance, J. A. Propagation of Daphne Cneorum by cuttings. Effect 



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22 Effect of synthetic growth substances on various types 



of cuttings of Arctostaphylos uva-ursi. Proc. Amer. Soc. Hort. Sci. 



36 (1938) :800-806. 1939. 



23 Propagation of Sciadopitys verticillata with root-inducing 



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24. Deuber, Carl G. Vegetative propagation of conifers. Trans. Conn. 



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25. Doak, B. W. The use of hormones as an aid to the propagation of 



plants. New Zeal. Jour. Sci. and Technol. 20:5a:269a-280a. 1939. 



26. Doran, William L. Germination of seeds and damping-oflf and 



growth of seedlings of ornainental plants as affected by soil treat- 

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27 Soil as a rooting medium for cuttings. Amer. 



Nurseryman 72:5:7-8. 1940. 



28 Holdsworth, Robert P., and Rhodes, Arnold D. 



Propagation of white pine by cuttings. Jour. Forestry 38:817. 1940. 



29. Durham, G. B. Propagation of evergreens under different temper- 



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30. Edmuns, Fred C. Camellias return to the front. Real Gard. 2:23-29. 



1939. 



