APPENDIX 245 



Strasburger, E., Noll, F., Scbenck, H., and Karsten, G., Translated by W. H. 

 Lang: A Text-book of Botany. New York: The Macmillan Co., 

 1908, $5.00. 

 Underwood, L. M. : ( 1 ) Our Native Ferns and their Allies. New York : 



Henry Holt & Co., 1881 and later, $1.00. 

 (2) Molds, Mildews, and Mushrooms. New York: Henry Holt & 



Co., 1899, $1.50. 

 Vines, S. H.: (1) Lectures on the Physiology of Plants. Cambridge: 



University Press, 1886, $5.00. 

 (2') Elementary Text-book of Botany. New York: The Macmillan 



Co., 1898, $2.25. 



Waters, C. E. : Ferns. A Manual of the Northeastern States. New York : 

 Henry Holt & Co., 1903, $3.00. 



