﻿4(3 BULLETIN 1128, U. S. DEPARTMENT OF AGRICULTURE. 



(17) Greene, Charles T. 



1914. The cambium miner in river birch. In Jonr. Agr. Research, 



v. 1, p. 471-174, pi. 60-61. 



(18) Groom. Percy. 



1915. " Brown oak " and its origin. In Ann. Bot, v. 29, p. 393-408. 



(19) 1920. Brown oak. In Quart. Jour. Forestry, v. 14, p. 103-109. 



(20) Grossenbacher, J. G. 



1910. Medullary spots : A contribution to the life history of some 

 cambium miners. N. Y. Agr. Exp. Sta. (Geneva) Tech. Bui. 15, 

 p. 49-65, 5 pi. Bibliographical footnotes. 



(21) 1915. Medullary spots and their cause. In Bui. Torrey Bot. Club, v. 



42, p. 227-239, pi. 10-11. 



(22) Hartig, Robebt. 



1902. Dei' echte Hausschwamm . . . Aufl. 2. vii, 105 p., 33 fig. (partly 

 col.). Berlin. 



(23) Hedgcock, George Grant. 



1906. Studies upon some chromogenic fungi which discolor wood. In 

 Mo. Bot. Gard. 17th Ann. Rpt., p. 59-114, illus., pi. 3-12. 

 Bibliographical footnotes. 



(24) and Long, W. H. 



1914. Heart-rot of oaks and poplars caused by Polyporus dryophilus. 



In Jour. Agr. Research, v. 3, p. 65-78, pi. S-10. Literature 

 cited, p. 77. 



(25) Howard, N. O. 



1922. The control of sap-stain, mold, and incipient decay in green 

 wood, with special reference to vehicle stock. U. S. Dept. 

 Agr. Bui. 1037, 55 p., 26 fig., 2 pi. Literature cited, p. 52-55. 



(26) Hoxie, F. J. 



1915. Dry-rot in factory timbers. 107 p., 70 fig. Boston. 



(27) Hubert, Ernest E. 



1921. Notes on sap-stain fungi. In Phytopathology, v. 11, p. 214-224, 

 4 fig., pi. 7. Literature cited, p. 223-224. 



(28) Humphrey, C. J. 



1917. Timber storage conditions in the Eastern and Southern States 

 with reference to decay problems. U. S. Dept. Agr. Bui. 510, 

 43 p., 41 fig., 10 pi. Bibliographical footnotes. 



(29) Khan, A. Haeiz. 



1919. Red wood of Himalayan spruce (Picea morinda Link). In 

 Indian Forester, v. 45, p. 496-498. 



(30) Koehler, Arthur. 



1917. Guidebook for the identification of woods used for ties and 

 timbers. U. S. Dept. Agr., Forest Serv., 79 p., 8 fig., 31 pi., 

 11 maps. 



(31) 1918. The "grain" of wood with special reference to the direction of 



the fibers. In Bur. Aircraft Production, Inspection Manual, 

 QT-13, S p., 12 fig. 



(32) LlNDROTH, J. IVAR. 



1904. Beitriige zur Kenntnis der Zersetzungserscheinungen des Birken- 

 holzes. In Naturw. Ztschr. Land-u. Forstw,, Jahrg. 2, p. 393- 

 406, 7 fig. Bibliographical footnotes. 



(33) Long, William H. 



1914. A preliminary note on the cause of " pecky " cypress. (Ab- 

 stract.) In Phytopathology, v. 4, p. 39. 



(34) 1915. A honeycomb heart-rot of oaks caused by Stereum subpileatum. 



In Jour. Agr. Research, v. 5, p. 421-428, pi. 41. Bibliographi- 

 cal footnotes. 



