WJIITK-nXK IJLISTKll Ul'ST. 97 



112) Posey, O. B., Gravatt. G. F., and Colley. R. If. 



1017. Uredinia of Cronartiura ribicola on Ritic^ .•^lom.'!. In ."Science, n. s. 

 V. 4fi, no. 1187. ]). 314-.^] 5. 



113) Reoax, W. S. 



irnO. The destruction of Ribes by fhemiral means. /// Amor. Plant Pe.st 



Com. Bui. 4, p. 12. 

 114J Rhoads, a. S., ITedgcock, G. G., Bethel. Ei.t.'^iWORTH. and ITarti.ey. Cari.. 

 1918. Host relationships of the North American rusts, otlier than Gymno- 



sporanniums, Avhicli attack conifers. In Pliytopatholo.<ry. v. 8. no. 



7. p. 309-352. Literatm-e cited, p. 346-352. 



115) Rostrup, E. 



1883. Fortsatte I'nders0gelser over Snyltesvampes Anjjrel) paa Sko\-- 

 traeerne. /?i'Tidsakr. Skovbrusj, Bd. 6, p. 199-300, 17 fitr. 



116) 1890. Ustilawinese Danise. Daamnarks Brandsvampe. In Festskr. Bot. 



Foren. Ki0benhavn Halvlumdredaarsfest. 1890, p. 117-168. 12 fig. 



117) 1891. Unders0,c:e]ser over Snyltesvam])es Angreb paa Skovti-aaer 1883- 



1888. In Tidsskr. Skovbrug, Bd. 12, p. 17-5-235, 11 fig. 



118) 1893. Angrel) af Snyltesvampe paa Skovtraeer i Aarene 1891 og 1892. In 



Tidsskr. Skovvaesen. Bd. 5, p. 97-117. 



119) 1895. Contributions mycologiciues (V) pour I'annee 1893. In Bot. Tid- 



sskr., Bd. 19, liefte 3, p. 21.5-218. 



120) 1902. Plantepatologi. . . 4 p. 1., 460 p., 257 fig. K0l)enhavn. Literatur, 



p. 1-9. 



121) Roy, Henri. 



1918. The white pine blister rust situation in Queljec. In 10th Ann. Rpt. 



Quebec Soc. Prot. Plants, 1917-18, p. 25-30. 



122) Sappin-Trouffy. 



1896. Recherches liistologiques sur la famille des I'r^dinoos. In Botan- 

 iste, s. 5, fasc. 2/5, p. 59-244, 70 fig. 



123) SCHELLENBERG. D. H. C. 



1904. Der Blasenrost der Arve. In Naturw. Ztschr. Land- u. Forstw., 

 Jahrg. 2, Heft 6, p. 233-241, 2 fig. Bibliographical footnotes. 



124) SCH0YEN. W. M. 



1895. Beretning om Skadeinsekter og Plantesygdomnic i IS94. 36 p. 

 Cliristiania. 



125) ScHWARZ, Alexander. 



1903. Der Waldpflanzenzucht-Betrieb in und uni Halstenbek (Schleswig- 

 Holstein). In Forstw. Centbl., Jahrg. 47, p. 472-502. 



126) Shaw, G. R. 



1914. The genus Pinus. 96ii..39])]. Caml)ridge. 



127) Sn-ell, W. H. 



1919. Observations on the lelation of insects to tlie dissemination of Cro- 



nartium ribicola. //( Phytopathology, v. 9. no. 10. p. 451-464. 



128) 1920. Observations on the distance of spread of ?eciospores and uredinio- 



spores of Gronartium ribicola. //; Phj'-topathology, v. 10. no. 7, 

 p. 358-364. Literature cited, p. 364. 



129) SoRAUER, Paul. 



1891. Peridermium Strobi Kleb. In Ztsihr. Plianzenkrauk., Bd. 1, j). 

 183, 366-367. 



4(1103°— 21— Bull. 9."7 7 



