550 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1961 



Schumann, K. 



1900. Musaceae. In A. Engler, Das Pflanzenreich IV, vol. 45, p. 36. 

 Stebbins, G. L. 



1947. Evidences on rates of evolution from the distribution of existing and 

 fossil plant species. Ecol. Monogr., vol. 17, pp. 149-158. 

 Stonoe, C. R., and Andkkson, E. 



1949. Maize among the hill peoples of Assam. Ann. Missouri Bot. Garden, 

 vol. 36, pp. 355-404. 



Reprints of the various articles in this Report may be obtained, as long as 

 the supply lasts, on request addressed to the Editorial and Publications 

 Division, Smithsonian Institution, Washington 25, D.C. 



