Ii8 PLANT HYBRIDIZATION BEFORE MENDEL 



on cross-bred vegetables, and supplement, pp. 1-334- 

 London, 1837. 

 (d) On hybridization amongst vegetables. Journal of the 

 Horticultural Society. 2:1-28, 81-107. 1847. 



3. Knight^ Thomas Andrew. 



(a) An account of some experiments of the fecundation of 

 vegetables. Philosophical Transactions, Royal Society of 

 London, Part I, pp. 19^-204. 1799. 



(b) Observations on the method of producing new and early 

 fruits. Transactions, Horticultural Society of London, 

 l:pp. 30-40. November 4, 1806. 



(c) On the comparative influence of male and female par- 

 ents on their offspring. Transactions, Royal Society, 

 1 :pp. 392-9, 1809. Read June 22, 1809. 



(d) Observations on hybrids. Transactions, Horticultural 

 Society of London, 4:367-73, 1821. 



(e) An account of some mule plants. Transactions, Horti- 

 cultural Society of London, 5:292-6, 1823. 



(f) Some remarks on the supposed influence of the pollen, 

 in cross-breeding, upon the color of the seed-coats of 

 plants, and the qualities of their fruits. Transactions, 

 Horticultural Society of London, 5 '377-80, 1823, 

 June 3. 



(g) A selection from the physiological and horticultural 

 papers published in the Transactions of the Royal and 

 Horticultural Societies, by the late Thomas Andrew 

 Knight, to which is added a sketch of his life. London, 

 1841. 



4. Laxton^ Thomas. 



(a) Observations on the variations effected by crossing in 

 the color and character of the seed of peas. Report of the 

 International Horticultural Exhibition and Botanical 

 Congress, May 22-31, 1866. (p. 156.) 



(b) Notes on some changes and variations in the offspring 

 of cross-fertilized peas. Journal of the Royal Horticul- 

 tural Society, 3:10-14, 1872. 



