Ctoss-Breeding and Hybridizing. 43 



1889. (Editorial.) The Influence of Parentage upon Hybrids. Gar. Mag. 

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1889. Goodale, Geo. L. Hybridization. Gar. and Forest, ii. 188. 



1889. Hays, W. M. -Improving Corn by Cross-fertilization and by Selec- 

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1889. Jackson, R. T. Hybridization of Gladioli. Gar. and Fpjrest, ii. 88. 



1889. J. H. J. Hybrid of Alpine Auricula with Primula nivea. Gar. 

 xxxv. 375. 



1889. Kellerman, W. A. and W. T. Swingle. Experiments in Cross- 

 Fertilization of Corn. Rep. Kans. Exp. Sta. i. (for 1888), 316. 



1889. Speer, R. P. Experiments with Corn. Bull. 7, Iowa Exp. Sta. 247- 

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1889. Wallace, Alfred Russell Chapters vi. and vii. in "Darwinism." 



1890. Bailey, L. H. Experiences in Crossing Cucurbits. Bull. xxv. Cor- 

 nell Exp. Sta. 180. 



1890. Carman, E. S. Crossing and Hybridizing. Proc. Soc. Amer. Flor- 

 ists, 87 ; Rural N.-Y. xlix. (1890) 568 and 583 (Aug. 30 and Sept. 6); Am. 

 Flor. vi. 109 ; Abstract in Gar. and Forest, iii. 421, and Pop. Gar. vi. 66. 



1890. - Crozier, A. A. Immediate Influence of Cross-Fertilization upon the 

 Fruit. — Strawberries. Agric. Sci. iv. 287. 



i8go. Culverwell. Hybrid between the Gooseberry and the Black Cur- 

 rant. Gar. Chron. 3 ser. vii. 583. 



1890. Dod, C. Wolley. Sterile and Fertile Hybrids of Hardy Plants. 

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1890.- (Editorial.) Hybrid Firs. (Abstract of Paper by E. Bailly.) Gar. 

 and Forest, iii. 308. 



i8go. Fryer, Alfred. A New Hybrid Potamogeton of the fluitans Group. 

 Jour, of Botany, xxviii. 321. 



1890. Hunn, C. E. Influence of Pollen upon Strawberries. Bull. 24, 

 (n. s.) N. Y. State Exp. Sta. 329-330. 



1890. Kellerman, W. A. and W. T. Swingle. Experiments in Crossing 

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1890. Kellerman, W. A. and W. T. Swingle. Crossed Varieties of Corn, 

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1890. MacFarlane, J. The Microscopic Structure of Hybrids. Gar, 

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1890. Thorpe, John. Chrysanthemum Crosses. Gar. and Forest, iii. 346. 



1890. Truffaut, Geo. Les Nephenthes ; leur fecondation. et leur hybrid- 

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1890. Volxem, Jean Van. Hybridizing. Gar. Chron. 3 ser. vi. 141. 



1890. Watson, W. Hybrid Hippeastrums. Gar. and Forest, iii. 165. 



