INDEX TO AMERICAN BOTANICAL LITERATURE 69 
Johnston, J. R. Algunos Hongos entomogenos de Cuba. Mem. Soc. 
Cubana Hist. Nat. ‘‘ Felipe Poey”’ 3: 61-82. pl. 1,2. 1918. 
Includes Spicaria aleyrodis and Torrubiella lecanii, spp., nov. 
Johnston, J. R., & Bruner, S. C. Enfermedades des naranjo y otras 
plantas citricas. Cuba Est. Exp. Agron. Bull. 38: 1-54. pl. 1-15. 
Au 1918. 
Jones, D. H. Bacteria—friends and foes. Ontario Dept. Agr. Bull. 
265: 1-99. Au rgr8._ [Illust.] 
Includes chapters on bacterial diseases of plants and bacteria of the soil and 
manure pile. 
Knowlton, C. H., Ripley, W. S., & Weatherby, C. A. Preliminary lists 
of New England plants,—-X XVI. Rhodora 20; 182-185. 11 N 
1918. 
Kunkel, L. O. Tissue invasion by Plasmodiophora brassicae. Jour. 
Agr. Research 14: 543-572. pl. 61-80 +f. 12,2. 16S 1918. 
Long, B. Eragrostis peregrina a frequent plant about Philadelphia. 
Rhodora 20: 173-180. 11 N 1918. 
MacCaughey, V. The Hawaiian sumach. Neneleau; Rhus semialata 
var. sandwicensis Engler. Torreya 18: 183-188. 29 O 1918. 
Mackenzie, K. K. Charles Keene Dodge. Torreya 18: 188-190. 
29 O 1918. 
Mann, A. Diatoms from Murray Island, Australia. Papers Dep. 
Mar. Biol. Carnegie Inst. Washington 9: 297. 16 Au 1918. 
Carnegie Inst. Washington Publ. 213. 
McClintock, J. A. A disease of coldframe parsley caused by Sclerotinia 
libertiana. Virginia Crop Exp. Sta: Bull. 18: 379-384. f. 84-86. 
I Ja 1916. 
McMurran, S. M. Preventing wood rot in pecan trees. U. S. Dept. 
Agr. Farm, Bull. 995: 1-8. f. 1-10. Jl 1918. 
McNaught, J. B. The algae of Kansas reservoirs. Trans. Kansas 
Acad. Sci. 28: 121-128. 1918. 
McWharf, J. M. Echinacea: its combination and use. Trans. Kansas 
Acad. Sci. 28: 179-180. 1918. 
Markle, M.S. A comparison of the plant succession on Hudson River 
limestone with that on Niagara limestone, near Richmond, Indiana. 
Proc. Indiana Acad. Sci. 1917: 109-113. 1918. 
Markle, M. S. Notes on microscopic technique. Proc. Indiana 
Acad. Sci. 1917: 115-117. 1918. {Illust.] 
Nash, G. V. Callicarpa japonica. Addisonia 3: 45. pl. 103. S 1918. 
