434 MISC. PUBLICATION 3 6 4, U. S. DEPT. OF AGRICULTURE 

 Spaulding, Perley. (8621) 



UNDESIRABLE FOREIGN PLANT DISEASES. MaSS. Holt. SOC. TrailS. 1914 (1) I 



153-179. 1914. 



and Hartley, Carl P. (8622) 



safety first in TREE planting. Amer. Forestry 22 : 664-668, illus. 1916. 



and Siggers, P. V. (8623) 



the European larch canker in America. Science 66 : 480-481. 1927. 



Weir, J. R. (8624) 



concerning the introduction into the united states of extralimital wood- 

 destroying fungi. Mycologia 11 : 58-65. 1919. 



WHITE PINE BLISTER RUST 



Allen, R. H. (8625) 



white pine blister rust. Mass. Dept. Agr. Ann. Rept. 1920 : 76-79. 1920. 



American Forestry Association. (8626) 



the pine blister disease which threatens the death of the white and 



FIVE-LEAVED PINES OF THE UNITED STATES AND CANADA. 5 pp., illUS. Wash- 

 ington, D. C. 1917. 



American Plant Pest Committee. (8627) 



REPORT ON WHITE PINE BLISTER RUST CONTROL, 1918-1920. Amer. Plant Pest 



Com. Bulls. 2, 4, 6, 1919- [21]. 

 Atwood, G. G. (8628) 



EMERGENCY BULLETIN ON THE BLISTER RUST OF PINES AND THE EUROPEAN CUR- 

 RANT rust. N. Y. Dept. Agr. Hort. Bull. 2, 15 pp., illus. 1909. 



Barss, H. P., and Root, G. A. (8629) 



the menace of the white pine blister rust. Oreg. Bd. Hort. Bien. Rept. 

 17: 220-226, illus. 1923. 



Baxter, D. V. (8630) 



THE GENUS RIBES WITH REFERENCE TO THE WHITE PINE BLISTER RUST IN THE 



west. Mich. Acad. Sci., Arts, and Letters Papers 2 : 1-2. 1923. 



and Coons, G. H. (8631) 



white pine blister rust in Michigan. Mich. Agr. Expt. Sta. Quart. Bull. 



5 (4) : 193-196. 1923. 



Boyce, J. S. (8632) 



OBSERVATIONS ON WHITE PINE BLISTER RUST IN GREAT BRITAIN AND DENMARK. 



Jour. Forestry 24 : 893-896. 1926. 

 Cheyney, E. G. (8633) 



PRELIMINARY INVESTIGATION OF RIBES AS A CONTROLLING FACTOR IN THE SPREAD 



of white pine blister rust. Science 52 (1345) : 342-345. 1920. 



Clepper, H. E. (8634) 



white pine blister rust in Pennsylvania. Pa. Dept. Forests and Waters 

 Research Circ. 2, 15 pp., illus. 1930. 



Clinton, G. P., and McCormick, F. A. (8635) 



artificial infection of pines with cronarttum ribicola. Amer. Plant Pest. 

 Com. Bull. 4: 12. 1919. 



and McCormick, F. A. (8636) 



infection experiments of pinus strobus with cronarttum ribicola. Conn. 



Agr. Expt. Sta. Bull. 214 : 428-459, illus. 1919. 



Colley, R. H. (8637) 



DIAGNOSING WHITE-PINE BLISTER-RUST FROM ITS MYCELIUM. Jour. Agl*. Re- 

 Search 11 : 281-286, illus. 1917. 



(8638) 



DISCOVERY' OF INTERNAL TELIA PRODUCED BY A SPECIES OF CRONARTIUM. Joill'. 



Agr. Research 8 : 329-332, illus. 1917. 



(8639) 



PARASITISM, MORPHOLOGY, AND CYTOLOGY OF CRONARTIUM RIBICOLA. Jour. Agr. 



Research 15:619-660, iUus. 1918. 



(8640) 



Committee on the Suppression of the Pine Blister Rust in North America. 



WHITE PINE BLISTER RUST ... 40 pp. n. p. 1918. 



