72 MISCELLANEOUS PUBLICATION NO. 725, U.S. DEPARTMENT OF AGRICULTURE 
Hwang, Shuh- Wei. 1083 
1955, Compatibility and variability in Merulius americanus, 
Mycologia 47: 317-328, illus, 
Ingram, DellaE, 1084 
1914, <A twig blight of Quercus prinus and related species, 
Jour. Agr. Res. 1: 339-346, illus, 
Jackson, Ee WouR- 1085 
1933, Effect of sulphuric acid and aluminum sulphate as 
used for the control of damping-off of conifers, 
on soil pH, (Abstract) Phytopathology 23: 18. 
Jackson, L. W. R. 1086 
1933, Effects of H-ion and aluminum-ion concentrations on 
conifer damping-off, (Abstract) Phytopathology 
2Sty hGs 
Jackson, is We wR 1087 
1935, A new disease of Oriental plane-tree (Platanus 
orientalis L,), Natl. Shade Tree Conf, Proc, 11: 
tt-—?9. 
Jackson, “bun Wew Rs 1088 
1936, Diseases of the plane tree at the Morris Arboretum, 
(Abstract) Pa, Univ., Morris Arboretum Bul, of 
the Associates 1 (2): 22-23, 
Jackson, L. W. R. 1089 
1938, Cylindrocladium associated with diseases of tree 
seedlings. U. S. Bur, Plant Indus,, Plant Dis. 
Rptr. 22: 84-85. [Processed. ] 
Jackson, 2 We Re 1090 
1938, Winter injury of Buxus sempervirens, Phyto- 
pathology 28: 372-374, illus. 
Jaekson, Wo eWa eRe 1091 
1940, Effects of H-ion and Al-ion concentrations on 
damping -off of conifers and certain causative 
fungi. Phytopathology 30: 563-579, illus. 
Jackson, Le W3"Rz 1092 
1940, Lightning injury of black locust seedlings, Phyto- 
pathology 30: 183-184, illus. 
Jackson, L. W. R,. 1093 
1945, Root defects and fungi associated with the little-leaf 
disease of southern pines, Phytopathology 35: 
91-105, illus. 
[Jackson, L. W. R., and Campbell, W. A. | 1094 
1951, Common diseases of shade and forest trees of the 
South, Forest Farmer (Manual) 10 (5): 41-44, 
: illus, 
[Jackson, L. W. R., and Campbell, W. A. ] 1095 
1951, Fungus control in unseasoned forest products, 
Forest Farmer (Manual) 10 (5): 67-68, illus. 
Jackson, L, W. R., and Crandall, B. S, 1096 
1935, A Phytophthora root and collar rot of Pinus resinosa 
seedlings, (Abstract) Phytopathology 25: 22, 
Jackson, L, W. Ry, and Hartley, Carl. 1097 
1933, Transmissibility of the brooming disease of black 
locust, Phytopathology 23: 83-90, illus, 
Jackson, L, W. R., and Kaplan, F., 1098 
1938, Dodder damages black locust seedlings ata 
Pennsylvania nursery, Jour, Forestry 36: 712, 
