PROPAGATION OF TREES AND SHRUBS 47 



115. Tukey, H. B., and Brase, K. D. Random notes on fruit tree rootstocks 



and plant propagation. N. Y. State Agr. Expt. Sta. Bui. 649, 22 pp. 

 1934. 



116. Ure, C. R. Preliminary tests with softwood cuttings of trees and 



shrubs in Alberta. Sci. Agr. 17:720-726. 1937. 



117. Watkins, John V. Response of certain tropical and subtropical 



plants to Hormodin. South. Florist and Nurseryman 45:5:3-4. 

 1938. 



118 Further data on response of cuttings to Hormodin 



A. South. Florist and Nurseryman 45:25:5-8. 1938. 



119. Weaver, J. G. Use of organic acid in rooting cuttings. N. C. Agr. 



Ext. Circ. 221, 12 pp. 1938. 



120. Weinard, F. F. Rooting gardenias. Florists' Rev. 86:221:23. 1940. 



121. Weston, T. A. Shrubs propagated by cuttings. Horticulture 13: 



308-309. 1935. 



122. Wildon, C. E. Garden roses. Mich. Agr. Expt. Sta. Spec. Bui. 222, 



47 pp. 1933. 



123. Wyman, Donald. The time of year to make cuttings of narrow- 



leaved evergreens. Florists' Exch. 75:11:27. 1930. 



124. Yerkes, Guy E. Propagation of trees and shrubs. U. S. Dept. Agr. 



Farmers' Bui. 1567, 51 pp. 1932. 



125 Treat cuttings with indolebutyric acid. Amer. 



Nurseryman 67:9:10-11. 1938. 



126. Zimmerman, P. W. Vegetative plant propagation with special ref- 

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 1926. 



127 Recent investigations regarding seeds, seed germi- 

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 Assoc. Prop. Nurs. June 23, 1926:8-14. 1926. 



128 Remarks at 8th Ann. Meet. Proc. Natl. Assoc. 



Prop. Nurs. June 21, 1927:3-10. 1927. 



129 and Hitchcock, A. E . Vegetative propagation of 



holly. Amer. Jour. Bot. 16:556-570. 1929. 



130 and Hitchcock, A. E. The practical application of 



growth-promoting substances to plant propagation. Proc. Amer. 

 Assoc. Nurserymen 62d Ann. Conv. July 13-15, 1937:162-167. 1937. 



Index 



Page 



Ahelia grandiflora ( Andre ) Rehd 12 



Abeliophyllum distichum Nakai 13 



Abies concolor ( Gord.) Engelm., Colorado fir 13 



Abies Pinsapo Boiss., Spanish hr 13 



Abies Vcitchii Lindl., Veitch fir 13 



A cantho pan-ax Sieboldianus Mak 13 



Acer argutum Maxim 13 



Acer barbinerve Maxim 13 



Acer caudatum Wall 13 



Acer cissifolium (Sieb. & Zucc.) K. Koch 13 



Acer Ncgundo L., box-elder 13 



Acer palmatm)i Thunb., Japanese maple 13 



Acer platanoides L., Norway maple 13 



Acer rubrmn L., red maple 13 



Acer rufinerve Sieb. & Zucc 13 



