70 DISEASES OF DECIDUOUS FOREST TREES. 



26. GALLOWAY, B. T. Progress in the treatment of plant diseases in the United 



States. U. S. Dept. Agr., Yearbook for 1899, pp. 191-199, 1900. 



27. - - and WOODS, A. F. Diseases of shade and ornamental trees. U. S. Dept. 



Agr., Yearbook for 1896, pp. 237-254, 1897. 



28. GRINNELL, HENRY. Seasoning of telephone and telegraph poles. Forest Serv- 



ice, U. S. Dept. Agr., Circ. 103:1-16, 1907. 



29. - Prolonging the life of telephone poles. U. S. Dept. Agr., Yearbook for 



1905, pp. 455-464, 1906. 



30. HARTIG, ROBT. Wichtige Krankheiten der Waldbiiume, pp. 1-127, pis. 1-6, 1874. 



31. - Die durch Pilze erzeugten Krankheiten der Waldbiiume, pp. 1-24, 1875, 



2ded. 



32. - Die Zersetzungserscheinungen des Holzes der Nabelholzbaume mid der 



Eiche, pp. 1-151, pis. 1-21, 1878. 



33. - Der iichte Hausschwamm, pp. 1-82, pis. 1-2, 1885. 



34. - Lehrbuch der Pflanzenkrankheiten, pp. 1-324, 1900, 3d ed. 



35. - Text-book of the diseases of trees. Translated by William Somerville 



and H. Marshall Ward, pp. 1-331, 1894. 



36. HASELHOFF, E., and LINDAU, G. Die Besehiidigung der Vegetation (lurch 



Rauch, pp. 1-412, 1903. 



37. HAYWOOD, J. K. Injury to vegetation by smelter fumes. Bur. ('hem., U. S. 



Dept. Agr., Bui. 89:1-23, pis. 1-6, 1905. 



38. HEALD, F. D. A disease of the cottonwood due to Elfvingia megaloma. Nebr. 



Agr. Expt. Sta., Rept. 19:92-100, pis. 1-4, 1906. 



39. HEDGCOCK, G. G. Studies upon some chromogenic fungi which discolor wood. 



Mo. Bot. Garden, Rept. 17:59-114, 1906. 



40. HENNINGS, P. Ueber die in Gebiiuden auftretenden wichtigsten holzbewohnen- 



den Schwamme. Hedwigia, 42:178-191, 1903. 



41. - Ueber die an Baumen wachsenden heimischen Agaricineen. Hed- 



wigia, 42:(233)-(240), 1903. 



42. HOPKINS, A. D. Bur. Ent., U. S. Dept. Agr., Bills. 21, 28, 32, 37, 48, 56, 58; 



Circs. 55, 61, 82, 83, 90; also U. S. Dept. Agr., Yearbook for 1902, pp. 265-282; 

 1903, pp. 313-328; 1904, pp. 381-398; 1905, pp. 249-256. 



43. - Catalogue of West Virginia forest and shade tree insects. W. Va. Agr. 



Expt. Sta., Bui. 32:171-251, 1893. 



44. HOWARD, ALBERT. Suggestions for the removal of epiphytes from cacao and linn- 



trees. W. Indian Bui. 3:189-197, 1902. 



45. KLEBAHN, H. Jahrb. f. Wiss. Bot,, 41:485-560, 1905. 



46. LAMSON-SCRIBNER, F. Leaf-spot disease of catalpa. U. S. Com. Agr., Rept. for 



1887, pp. 364-366, 1888. 



47. LIGHTFOOT, J. Flora Scotica, 2:1034, 1777. 



48. LINDROTH, J. I. Beitrage /.ur Kentniss der Zersetzungserscheinungen des Bir- 



kenholzes. Naturw.-Zeitschr. f. I-and- u. Forstwiss.,. 2:393 l()(i, 1901. 



49. LINTNER, J. A. Injurious and other insects of the State of New York, 1:1-381, 



1882; 2:1-265, 1885; 3:83-154, 1887; 4:1-237, 1888; f>: 1 17-347, 1889; 6:100-203. 

 1890; 7:199-404, 1891; 8:105-320, 1893; 9:291-494, 1893; 10:341-633, L895; 

 11:89-324, 1896; 12:163-398, 1897; 13:331-390, 1898. 



50. I.LOYU, C. G. Mycological iiolt-s, 1 :;.->: 60, 1901. 



51. MAcMiLLAN,H. R. Private letter containing coiisidcrabli Information concerning 



Fonies igniarius in western (':m;nla. 



52. MAYR,H. Ueber den Parasitism us von Xectriacnmabarina. Inau^. Dissert., pp. 



1-20, pi. 1, 1882. 



53. - Zwei Parasiten ler Mirke, Polyporns I>H nlinns. Hull., mid Polyporus 



laevigatus, Fries. Bot. Centbl., 1 9:22-29, 51-57, taf. 1-2, 1884. 

 14'J 



