42 BOTANICAL GAZETTE [JANUARY! 



50. STOCKBRIDGE, H. E., Rocks and soils. J. Wiley & Sons, New York. 1895. 



51. STUPART, R. F., The climate of Canada. Scot. Geog. Mag. 14:73. 1898. 



52. TARR, R. S., The physical geography of New York state. Macmillan Co. 



New York. 1902. 



53. TAYLOR, F. B., Correlation of Erie-Huron beaches with outlets and moraines 



in southern Michigan. Bull. Geol. Soc. Amer. 8:31. 1897. 



54. TODD, J. E., The moraines of southeastern South Dakota and their 



attendant deposits. Bull. 158, U. S. Geol. Surv. 1899. 



55. TRANSEAU, E. N., On the geographic distribution and ecological relations 



of the bog plant societies of northern North America. Box. GAZ. 36: 

 401. 1903. 



56. - , The development of palisade tissue and resinous deposits in leaves. 



Science, N. S. 19:866. 1904. 



57- WAGNER, G., Observations on Platygonus compressus LeConte. Journal 

 Geol. 11:777. T 9 3- 



58. WEBER, C. A., Ueber die Moore, u. s. w. Jahresbericht der Manner vom 



Morgenstern 3:1-23. Review, Bot. Cent. 88:17. 



59. WELD, L. H., A peat bog and morainal lake. BOT. GAZ. 37:39. 1904. 



60. WHEELER, H. J., Results of many experiments on "acid upland soils" are 



to be found in the 6th, icth, and i2th Ann. Rept. of the R. I. Agric. Exper. 

 Sta. 1893, 1897, and 1899. Also see bulletins no. 46, 47, 49, 66, 69, 71. 

 90 and 95 of the same station. 

 6t. WOLLNY, E., Die Zersetzung der organischen stoffe. Heidelberg. 1897. 



