oe 
462 INDEX TO AMERICAN BOTANICAL LITERATURE 
Kauffman, C. H., & Mains, E. B. An epidemic of Cronartium Comp- 
toniae at the Roscommon state nurseries. Ann. Rep. Michigan 
Acad. Sci. 17: 188, 189. “1915. 
Kelley, J. P. Further observations on Phlox Drummondit. Jour. | 
N. Y. Bot. Gard. 18: 83-86. Ap 1917. 
Kibbe, A. L. Chytridium alarium on Alaria fistulosa. Puget Sound 
Marine Sta. Publ. 1: 221-226. pl. 39, 40. 27 D 1916. 
Langdon, S.C. Carbon monoxide in the pneumatocyst of Nereocystis. 
Puget Sound Marine Sta. Publ. 1: 237-246. pl. 43-45. 27 D 1917. 
Lillo, M. Flora dela Provinciade Tucuman. 1-63. Tucumdn. 1916. 
Livingston, B. E. Incipient drying and temporary and permanent 
wilting of plants, as related to external and internal conditions.’ 
Johns Hopkins Univ. Circ. 293: 176-182. Mr 1917. 
Livingston, B. E., & Free, E. E. The effect of deficient soil oxygen on 
the roots of hiohes plants. Johns Hopkins Univ. Circ. 293: 182- 
185. Mr 1917. 
Lloyd, F.E. Critical flowering and fruiting temperatures for Phytolacca 
decandra. Plant World 20: 121-126. Ap 1917. 
Lunell, E. J. Enumerantur plantae Dakotae septentrionalis vasculares 
—XII. Am. Mid. Nat. 5: 55-71. My 1917. 
Includes Aster clivorum and A. Jacobaeus, Spp. nov. 
MacDougal, D. T., & Spoehr, H. A. The behavior of certain gels 
useful in the interpretation of the action of plants. Science II. 45: 
484-488. 18 My 1917. in 
McCollum, E. V., Simmonds, N., & Pitz, W. The supplementary 
dietary relationship between leaf and seed as contrasted with 
combination of seed with seed. Jour. Biol. Chem. 30: 13-32. f. I- 
14. My 1917. 
Mix, A. J. Cork, drouth spot and related diseases of the apple. N. Y. 
Agr. Exp. Sta. Bull. 426: 473-522. pl. I-12. O 1916. 
Muenscher, W. L. C. Ability of seaweeds to withstand desiccation. 
Puget Sound Marine Sta. Publ. 1: 19-23. 15 F rors. 
Muenscher, W. L. C. Distribution of shore algae on Shaw Island. 
Puget Sound Marine Sta. Publ. 1: 199-210. pl. 34-36. 27 D 1916. 
Muenscher, W. L. C. A study of the algal associations of San Juan 
Island. Puget Sound Marine Sta. Publ. 1: 59-84. pl. ro-15. 20 
D 1915. 
Murphy, L. S. Seeding habits of spruce as a factor in the competition 
of spruce with its associates. Plant World 20: 87-90. Mr 1917. 
