1912] Setchell: Studies in Nicotiana 31 



Hemsley, W. Botting 



1905. Curtis 's Botanical Magazine, vol. 131. 

 Hooker, J. D. 



1876. Curtis 's Botanical Magazine, vol. 102. 



1892. Ibid., vol. 118. 



1899. Ibid., vol. 125. 

 Hooker, W. J. 



1821. Curtis 's Botanical Magazine, vol. 48. 



1827. Ibid., vol. 54. 



1828. Ibid., vol. 55. 



1829. Ibid., vol. 56. 

 Howard, A. and Howard, G. L. C. 



1910. Studies in Indian tobaccos, Mem. Dept. Agr. India (Bot. Ser.), 

 vol. 3. 

 Lehmann, Joannes Georgius Christianus 



18i8. Generis Nieotianarum Historia. 

 LiNDLEY, John 



1824. Edwards's Botanical Register, vol. 10. 

 1827. Ibid., vol. 13. 



1833. Ibid., vol. 19. 

 Lock, R. H. " 



1909. A Preliminary Survey of Species Crosses in the Genus Nico- 

 tiana from the Meudelian Standpoint, Annals Royal Bot. 

 Garden, Peradeniya, vol. 4. 

 MiERS, John 



1846. Contributions to the Botany of South America (continuation), 

 Hooker's London Journal of Botany, vol. 5. 

 Miller, Philip 



1768. The Gardeners Dictionary, ed. viii. 

 Moore, T. 



1881. Nicotiana affinis, Gardener's Chronicle, new (2d) ser., vol. 16. 

 Pursh, Frederick 



1814. Flora Araericae Septentrionalis, vol. I. 

 Schrank, (Franz von Paula) 



1807. Botanische Beobachtungen, Botan. Zeitung (Regensburg), 6 



Jahrg. (pp. 260-265). 

 1819. Plantae Rariores Horti Aeademici Monacensis descriptae et 

 iconibus illustratae. 

 Sims, John 



1816. Curtis 's Botanical Magazine, vol. 43. 

 1821. Ibid., vol. 48. 



1823. Ibid., vol. 50. 



1825. Ibid., vol. 52. 

 Sprengel, Kurt 



1817. Anleitung zur Kenntniss der Gewachse. 

 Watson, Sereno 



1871. Botany, in U. S. Exploration 40th Parallel ("King's Expedi- 

 tion"), vol. V. 



