CONTENTS 



PAGES 



Acknowledgment i 



No. 1. Studies in Nicotiana, I, by William Albert Setchell 1-86 



No. 2. Quantitative Studies of Inheritance in Nicotiana Hybrids, by 



Thomas Harper Goodspeed 87-168 



No. 3. Quantitative Studies of Inheritance in Nicotiana Hybrids, II, 



by Thomas Harper Goodspeed 169-188 



No. 4. On the Partial Sterility of Nicotiana Hybrids Made with 2S'. 



sylvestris as a Parent, by Thomas Harper Goodspeed 189-198 



No. 5. Notes on the Germination of Tobacco Seed, by Thomas Harper 



Goodspeed ^ 199-222 



No. 6. Quantitative Studies of Inheritance in Nicotiana Hybrids, III, 



by Thomas Harper Goodspeed 223-231 



No. 7. Notes on the Germination of Tobacco Seed, II, by Thomas 



Harper Goodspeed 233-248 



Xo. 8. Parthenogenesis, Parthenocarpy, and Phenospermy in Nicotiana, 



by Thomas Harper Goodspeed 249-272 



No. 9. On the Partial Sterility of Nicotiana Hybrids Made with N. 

 sylvestris as a Parent, II, by T. H. Goodspeed and A. H. 

 Ayres 273-292 



No. 10. On the Partial Sterility of Nicotiana Hybrids Made with N. 

 sylvestris as a Parent, III, by T. H. Goodspeed and J. N. 

 Kendall 293-299 



No. 11. The Nature of the Fi Species Hybrids between Nicotianci syl- 

 vestris and Varieties of Nicotiana Tahacum, by T. H. Good- 

 speed and E. E. Clausen 301-346 



No. 12. Abscission of Flowers and Fruits in the Solanaeeae, with 



Special Eeference to Nicotiana, by John N. Kendall 347-428 



No. 13. Controlled Pollination in Nicotiana, by Thomas Harper Good- 

 speed and Pirie Davidson 429-434 



No. 14. An Apparatus for Flower Measurement, by T. H. Goodspeed 



and E. E. Clausen .' 435-437 



No. 15. Note on the Effects of Illuminating Gas and its Constituents 

 in Causing Abscission of Flowers in Nicotiana and Citrus, 

 by T. H. Goodspeed, J. M. McGee, and E. W. Hodgson 439-450 



No. 16. Notes on the Germination of Tobacco Seed, III, by T. H. 



Goodspeed 451-455 



No. 17. Inheritance in Nicotiana Tahacum, I, A Eeport on the Crossing 

 of Certain A'arieties, by William Albert Setchell, Thomas 

 Harper Goodspeed, and Eoy Elwood Clausen 457-582 



[ii] 



