464 P. Sydow: Pflanzenkrankheiten 1917. [28 



358. Newman, L. E. The blister rust of white pine. (Biltmorean 

 IV, 1917, p. 1—9, 6 Fig.) 



359. Paul, B. H. The pine blister rust. (New York Conserv. 

 Comm. Bull. Nr. 15, 1916, p. 1—18, c. fig.) 



360. Pierce, R. G. Early discovery of white pine blister rust 

 in the United States. (Phytopathology VII, 1917, p. 224—225.) 



361. Pierce, R. G. Albany Conference on white pine blister 

 rust. (Phytopathology VII, 1917, p. 54—55.) 



362. Posey, G. B., Gravatt, G. F. and €olley, R. H. Uredinia of 

 Cronartium ribicola on Ribes stems. (Science See. Ser. XLVI, 1917. p. 314 

 bis 315.) 



363. Raukin, W. H. White pine blister rust. (Tree Talk IV, 

 1917, p. 77.) 



364. Spaulding, P. Foresters luve a vital int er est in the 

 white-pine blister rust. (Proceed. Soc. Amer. Foresters XI, 1916. Nr. 1, 

 p. 40—47.) 



365. Spauldinj>, P. Evidence of the overwintering of Cronartium 

 ribicola. (Abstract.) (Phytopathology VII, 1917, Nr. 1, p. 58.) 



366. Spaulding, P. The white pine blister disease. (Amer. 

 Forestry XXIII, 1917, p. 67—74, c. fig.) 



367. Spaulding, P. Notes on Cronartium Comptoniae. III. (Phyto- 

 pathology VII, 1917, p. 49—51.) 



368. Spaulding, P. Needle rust on Pinus resinosa. (Phytopatho- 

 logy VII, 1917, p. 225.) 



369. Spaulding, P. and Gravatt, G. F. Inoculations of Ribes 

 with Cronartium ribicola Fischer. (Science II. Ser. XLVI, 1917, p. 243 

 bis 244.) 



370. Spaulding-, P. and Pierce, R. G. State and national quaran- 

 tines against the white pine blister rust. (Phytopathology VII, 

 1917, p. 319—320.) 



371. Spaulding, P., Detviler, S. B., Pettis, C. R., MetcaJf, H. The 

 white pine blister disease. (Amer. Forest. XXIII, 1917, p. 67 — 74.) 



372. Stakman, E. C. and Piemeisel, F. J. Biologie forms of Puccinia 

 graminis on cereals and grasses. (Journ. Agric. Research X, 1917, p. 429 

 bis 495, 7 Tab.) — Siehe „Pilze" 1917, Ref. Nr. 699. 



373. Stewart, V. B. The perennation of Cronartium ribicola Fisch, 

 on currant. (Phytopathology VII, 1917, p. 449—450.) 



374. Sylven, N. Ora tallens knäckesjuga (Melampsora pinitorqua 

 [Braun] Rostrup). (Medd. Statens Skogsförsökanst, XIII— XIV, 1916/17, 

 p. 1077—1140, 28 Textabb., 12 Tab. Deutsche Zusammenfassiing p. CXXVII 

 bis CXXXVI.) -^ Siehe „Pilze" 1917, Ref. Nr. 725. 



375. Tubeuf,0.v. Über das Verhältnis der Kief er-Peridermien 

 zu Cronartium. IL Studien über die Infektion der Weymouths- 

 kiefer. (Naturwiss. Zeitschr. f. Forst- u. Landwirtsch. XV, 1917, p. 274—307, 

 6 Fig.) — Siehe „Pilze" 1917, Ref. Nr. 748. 



376. Weimer, J. L. Three cedar rust fungi, their life histories 

 and the diseases they produce. (Cornell Agr. Exp. Stat, Bull. Nr. 39(1, 

 1917, p. 507—549, Fig. 136—157.) 



