438 INDEX TO AMERICAN BOTANICAL LITERATURE 
Jones, W.W. The occurrence of sulphur dioxide injury to plants in the 
Selby smoke zone. U.S. Dept. Int. Mines Bull. 98: 398-427. l- 
33-37: Ji rors. 
Kern, F. D., & Orton, C. R. Phytophthora infestans on tomatoes. 
Phytopathology 6: 284~287. f. z, 2. Je 1916, 
Knowlton, C. H., & Deane, W. Reports on the flora of the Boston 
district—XXI. Rhodora 17: 202-203. O 1915;—XXII. Rho- 
dora 18: 86-90. Ap 1916. 
Lehenbauer, P. A. Growth of maize seedlings in relation to temper- 
ature. Physiol. Researches 1: 247-288. f. 1-4. D 1914. 
Levy, D. J. Common mosses, according to habitat. A non-technical 
description based on macroscopical characters. Torreya 16: 
55-67. f. I-5. 17 Mr 1916; 80-91; Ap 1916; 103-115; 24My 1916. 
Lewis, C.E. Apple diseases caused by Coryneum foliicolum Fckl. and 
Phoma mali Schulz et Sac. Maine Agr. Exp. Sta. Bull. 170: 
185-200. f. 17-42. N 1909. 
Lewis, C. E. A new species of Endomyces from decaying apple. 
Maine Agr. Exp. Sta. Bull. 178: 45-64. J. 50-72.” Ap toto 
Livingston, B. E. Physiological temperature indices for the study of 
plant growth in relation to climatic conditions. Physiol. Re- 
searches I: 399-420. f. 1-4. Ap 1916. 
Lloyd, C. G. The genus Hydnochaete. Mycological Notes No. 41: 
559-572. f. 766-781. Mr 10916.. 
Lloyd, C. G. H.C. Beardslee. Mycological Notes No. 41: 58. Mr 
1916. [ Portrait.] 
Lloyd, F. E. The red color of the mesocarp of seeded fruits in the 
persimmon (Diospyros Kaki) I]. A visual method for estimating 
astringency. Plant World 19: 106-116. f.z. Ap 1916. 
Long, W. H. Five undescribed species of Ravenelia. Bot Gaz. 61: — 
417-424. 15 My 1916. 
Long, W.H. Note on western red rot in Pinus ponderosa. Mycologia 
8: 178-180. 23 My 1916. 
Love, H. H., & Leighty, C. E. Variation and correlation of oats 
‘(Avena sativa). Studies showing the effect of seasonal changes on 
biometrical constants. Cornell Agr. Exp. Sta. Mem. 3: 9-79: 
Au 1914. ¢ 
Lunell, E. J. Enumeratur plantae Dakotae septentrionalis vasculares _ 
—III. Am. Mid. Nat. 4: 229-244. N 1915;—IV. Am. Mid. Nat. e 
4: 297-310. Ja 1916;—V. Am. Mid. Nat. 4: 355-366. Mr 1916) — 
—VI. Am. Mid. Nat. 4: 409-418. Mr 1916. : 
Malte, M. 0., & Macoun, J. M. Hybridization in the genus Viola. a 
Ottawa Nat. a8: 145-150. 27 F tons: 161-168. Ap 1918 
