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BOTANICAL GAZETTE [DECEMBER 
LITERATURE CITED 
Atway, F. J., Studies on the non-available water of the — to the hygro- 
scopic coefficient. Res. Bull. 3, Agric. Exp. Sta. Nebr. 
. Briccs, L. J., and McLane, J. W., The moisture sollte of soils. 
U.S. Dept. Agric., Bur. Soils, Bull. 45. 190 
Briccs, L. J., and SHantz, H. L., The wilting coefficient for different 
plants and its indirect Steitantion, U.S. Dep pune Bur. Plant Ind., 
Bull. 230. 1912; Bor. Gaz. 51:210-219. I911I; 53:20-27; 229-235. 1912. 
Ciements, F. E., Plant ee an analysis of the development of 
vegetation. Carmesie Inst. Wash., 242. 1916. 
Cow Les, H. C., The ecological ie of the vegetation of the sand dunes 
of Lake ‘Michioan. Bot. GAZ. 17:97-117; 169-202; 281-308; 361-391. 
1899. 
, Part III, Botany. In Saver, Capy, and Cowtes, Starved Rock 
State Park and its environs. Geog. Soc. Chicago, Bull. 6. 1918. 
. Futter, G. D., Evaporation and soil moisture in relation to the succession 
of plant associations. Bor. Gaz. 53:193-234. 1914. 
Livincston, B. E., Atmometry and the porous cup atmometer. Plant 
World 18: 21-30; 51-74; 95-111; 143-159. I9I 
, Atmospheric influence on evaporation and its direct measurement. 
Monthly Weather Rev. 43:126-131. 1915. 
, A radio-atmometer for measuring light intensity. Plant World 
14:96-99. IQII. 
Livincston, B. E., and Koxetsu, R., The water-supplying power of the 
soil as related to the wilting of plants. Soil Science 9:469—-485. 1920. 
Livincston, B. E., and SHREVE, F., The distribution of vegetation in the 
United States as related to climatic conditions. Carnegie Inst. Wash., 
Publ. 284. 1921. 
LivincsTon, B. E., and THONE, F., A simplified apie mounting 
for porous porcelain atmometers. Science 52:85-87. 
McDoueatt, W. B., A comparison of soil RUBE Hei, in upland and 
bottomland forests. “vale: Ill. Acad. Sci. 13:249-254. 1920 
tion of terrestrial animals and plants. National Geog. Mag. 6:229-238. 
94. : 
PuL.ine, H. E., Sunlight and its measurement. Plant World 22:151-171; 
187-209. IgI9. 
