214 ' INDEX TO AMERICAN BOTANICAL LITERATURE 
Johnson, A. G., & Vaughn, R. E. Ergot in rye and how to remove it. 
Wisconsin Agr. Sep. Sta. Ext. Serv. Circ. 94: [1-4]. f. 1-4. Ja 1918. 
Johnson, J. R. The citrus canker. Mod. Cuba Mag. 2: 63-65. N 
1914. [Illust.] 
Johnson, J. R. An insect fungus. Mod. Cuba Mag. 2: 76, 77. D 
1914.  [Illust.] 
Johnston, J. R., & Bruner, S.C. A Phyllachora of the royal palm. 
Mycologia 10: 43, 44. pl. 2. 14 F 1918. 
Johnston, J. R., & Stevenson, J. A. Sugar-cane fungi and diseases of 
Porto Rico. Jour. Dept. Agr. Porto Rico. 1: 177-264. pl. 19-31. 
O 1917. 
cludes Himantia stellifera, Chromocreopsis striispora, Arthrinium saccharicola, 
Hormiactella sacchari, Septonema sacchari, Periconia sacchari, Tetracoccosporis 
sacchari, and Verticicladium graminicolum, spp. 
Jones, M. E. The willow family of jhe yore plateau. 1-32. Salt 
Lake City. 9 M 1908. 
Kellogg, H. S. Preservation of native plants in Iowa. Proc. lowa 
Forest & Conserv. Assoc. I9I4-1915: 80-99. I916. 
Kinman, C. F. The mango in Porto Rico. Porto Rico Agr. Exp. Sta. 
Bull. 24: 1-30. pl. 11. 4 F 1918. 
Kirby, R. S. Influence of orchard soil management on fruit bud de- 
velopment and formation as found in the apple. Proc. Iowa Acad. 
Sci. 24: 447, 448. 1917. : 
Loeb, J. Chemical basis of correlation. I. Production of equal 
masses of shoots by equal masses of sister leaves in Bryophyllum 
calycinum. Bot. Gaz. 65: 150-174. f. 1-18. 15 F 1918. 
Ludwig, C. A. The influence of illuminating gas and its constituents 
on certain bacteria and fungi. Am. Jour. Bot. 5: 1-31. Ja 1918. 
MacCaughey, V. The California laurel. Hawaiian Forester 14: 194, 
195. Jl 1917. 
MacCaughey, V. The carambola in Hawaii. Hawaiian Forester 14: 
304-306. O 1917. 
M ee V. The Hawaiian Violaceae. Torreya 18: 1-11. 13F 
ees V. Lichen flora of the Hawaiian Islands. Hawaiian 
Forester 14: 303, 304. O 1917. 
MacCaughey, V. The Mangosteen in Hawaii. Hawaiian Forester 14: 
125,126. My 1917. 
Mann, A. The economic importance of the diatoms. Smithsonian 
Rep. 1916: 377-386. pl. 1-6. 1917. 
axon, The Aisatks range of Botrychium lanceolatum. 
Rhodora 20-50; 20. a Ja 1918. 
