Descendenz und Hybriden. 187 



ordinary forms does not seem to cause them to lose their 

 resistent quallties. Suggests that the resistent qualities are diie not 

 to anatomical peciluarities, but to physiological differences. 



Hays, W. M., Breedingforintrinsic Qualities. p. 55—62. 



Deals with the importance, from a practical standpoint, of 

 breeding along definitc lines. 



Beach, S. A., Correlation between Different Parts of 

 the Plant in Form, Color, Size and other Charac- 

 teristics. p. 63 — 67. 



From evidence at band concludes that such correlation 

 exists, but not enough to support any general statement regarding 

 the matter. 



Cook, 0. F., Evolution under Domestication. p. 69 — 73. 



The paper itself is not published here, but the discussion 

 regarding it is given. 



Tracy, W. W., Variant Tendencies and In di vi dual 

 Prepotency in Garden Vegetables. p. 75 — 78. 



Note regarding Variation in certain cultural varieties. 



Morris, Sir Daniel., Improvement of Sugar Cane by 

 Selection and Gross Fertilization. p. 79 — 87, 1 plate. 



Gonsiders the question of improved varieties of sugar-cane 

 and the qualities for which these are bred. Mentions but varieties, 

 but deals especially with certain seedling sugar canes. 



Cannon, W. A. Some Gytological Aspects of Hybrid s. 

 p. 89-92. 



Points out the importance of the Gytological study of hybrids 

 and briefly summarizes vvhat had been done up to the time of the 

 reading of the paper. 



CORBETT, L. C, Improvement of Roses by Bud Selec- 

 tion s, or Blind versus Flowering wood for Rose 

 Guttings. p. 93— 101, 1 plate. 



Goncludes „that cumulative results are not to be expected 

 by selecting parts showing like tendencies through succesive 

 generations" The tendency towards flowering was not increased 

 by selecting flowering stock for propagation. 



Norton, J. B., Improvement of Oats by Breeding. p. 

 103—109. 



Description of pollination experiments in cross-breeding of 

 varieties of oats. 



Hill, E. G., On Breeding Florists' Flowers, p. 111 — 116. 



Bailey, L. H., A Medley of Pumpkins. p. 117—124. 



A Short summary of work done in the hybridizing of 

 pumpkins. Various races of Cucurbita Pepo were used, also 

 C. moschata, and C. maxlma. 



