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INDEX TO AMERICAN BOTANICAL LITERATURE 253 
Johnson, D. S., & York, H. H. The relation of plants to tide levels. 
A study of the distribution of marine plants at Cold Spring Harbor. 
Johns Hopkins Univ. Circ. IgI2: 116. F 1912, 
Jones, W.R. The development of the vascular structure of Dianthera 
americana L. Johns Hopkins Univ. Cire. 1912: 141-143. F 1912, 
jones, W. R. The digestion of starch in germinating peas. Johns 
Hopkins Univ. Circ. I9I2: 139, 140. F 1912, (Preliminary ab- 
stract.) 
Jostmann, A. Pilocereus scoparius Pos. Monats. Kakteenk. 22: 29, 
30. 15 F 1912, 
Kirk, G. L, Solidago calcicola in Vermont. Rhodora 14: 54, 55. 
5 Mr rorz2., 
Lewis, I. M. A black knot disease of Dianthera americana L. My- 
cologia 4: 66-70. pl. 58-61. Mr 1912. 
Bagniesiella Diantherae Sp. nov. described. 
Livingston, B. E. Paper atmometers for studies in evaporation and 
Plant transpiration, Plant World 14: 281-288. i. 2-9 19011. 
2.] 
Livingston, B. E, The resistance offered by leaves to transpirational 
Water loss. Johns Hopkins Univ. Circ. 1912: 121-123. F 1912. 
(Preliminary abstract.) 
Livingston, B.E. 
A study of the relation between summer evaporation 
Intensity and 
centers of plant distribution in the United States. 
Plant World 14: 205-229. f. 1-3. S$ 1911. [Mr 1912.] 
Livingston, B. E., & Brown, W. H. Relation of the daily march of 
‘ranspirafion to variations in the water content of foliage leaves. 
ohns Hopkins Univ. Circ. 1912: 131-133. F 1912. (Preliminary 
abstract.) 
vingston, B. E., & Esta 
brook, A. H. Observations on the degree of 
stomatal movement i 
n certain plants. Johns Hopkins Univ. Circ. 
: agra: 134,135. F 1912. (Preliminary abstract.) 
+ & Shreve, F. The relation between climatic con- 
. nd plant distribution in the United States. Johns Hopkins 
niv. Circ. rgx2: 129, 130. F 1912, 
Lloyd, F, E. The association of tannin with an emulsion colloid in the 
acorn (Quercus laurifolia Michx.). Johns Hopkins Univ. Circ. 
1912: 125-193. F ro12, 
yd, F. kB, Tannin-colloid combinations in the persimmon. Johns 
Hopkins Univ. Circ. 1912:-124. F 1912. 
Publ ®, R. A. Tolerance of Eucalyptus for alkali. Univ. Calif. 
- Agr. Exp. Sta, Bull. 225: 247-316. f. 1-17. O rott. 
ditions a 
