264 INDEX TO AMERICAN BOTANICAL LITERATURE 
Knowlton, F. H. A lower Jurassic flora from the upper Matanuska 
Valley, Alaska. Proc. U. S. Nat. Mus. 51: 451-460. pl. 79-82. 
16 D 1916. 
Lathrop, E. C. The generation of aldehydes by Fusarium cubense. 
Phytopathology 7: 14-16. 7 F 1917. 
Long, W. H. Investigations of the rotting of slash in Arkansas. U.S. 
Dept. Agr. Bull. 496: 1-14. 16 F 1917. 
Lutz, A. M. Fifteen- and sixteen-chromosome Oenothera mutants. 
Am. Jour. Bot. 4: 53-111. f. I-9. 17 F 1917. 
MacCaughey, V. An annotated reference list of the more common 
trees and shrubs of the Konahuanui region. Hawaiian Forest. & 
Agr. 13: 28-34. Ja 1916. 
MacCaughey, V. Precinctive flora of Waianae Mountains, Oahu. 
Hawaiian Forest. & Agr..13: 85-89. Mr 1916. 
MacDougal, D.T. Department of botanical research. Carnegie Inst. 
Year Book 15: 51-95. 1916. 
McCubbin, W. A. Does Cronartium ribicola winter on the currant? 
Phytopathology 7: 17-31. f. rz. F 1917. 
McLean, F.T. A preliminary study of climatic conditions in Maryland, 
as related to plant growth. Physiol. Researches 2: 129-208. f. I- 
Ego PF 4927. 
McNair, A. D. Boiling buffalo clover seed. Science II. 45: 220, 221. 
2 Mr 1917. 
Medicago arabica. 
Mell, C. D. The mahogany tree. Scientific American Suppl. 83: 
136-138. 3 Mr i917. [Illust.] 
Mell, C. D. True mahogany. U. S. Dept. Agr. Bull. 474: 1-24. 
pl. 1-3 fs T-4.. 6 F Gry: 
Munger, T.T. Western yellow pine in Oregon. U.S. Dept. Agr. Bull. 
418: 1-48. pl. 1-7. 6F 1917. 
Murrill, W. A. The Paulownia tree at the Mansion. Jour. N. Y. Bot. 
Gard. 18: 31-35. 27 F 1917. 
Osterhout, G. E. Concerning some species of Chrysopsis in Colorado. 
Torreya 17: 27. 8 Mr 1917. 
Osterhout, W. J. V. Tolerance of fresh water by marine plants and 
its relation to adaptation. Bot. Gaz. 63: 146-149. 15 F 1917. 
Pierce, R. G. Albany conference on white pine blister rust. Phyto- 
pathology 7: 54,55. 7 F 1917. 
