454 P- Sydow: Pflanzenkraükheiten. [37 



554. Sackott, W. G. Spur blight of tlie red raspberiy caused 

 by Sphaerella rubina. (Bull. Colorado Agric. Exper. Stat. 1915, Nr. 206, 

 26 pp., 15 fig.) 



555. Salniuu, E. S. Observations on the perithecial stage 

 of the American Gooseberry-mildew {Spliaeroiheca mors-uvae [ßchweiri] 

 Berk.) (Journ. Agric. Sei. VI, 1914, p. 187 — 193.) 



556. Scott, E. L. A study of pasture trees and shrubberry. 

 (Bull. Torr. Bot. Club XLII, 1915, p. 451-463.) 



557. Shear, Cornelius Lott. Conditions affecting tlie liealtli 

 and productiveness of the cranberry. (Wisconsin State Cranberry 

 Growers' Assoc, 28th Ann. Rept. 1914/15, ersch. 1915, p. 25 — 28.) 



558. Stevens, F. L. Three strawberry fungi which cause rots. 

 (Science See Ser. XLI, 1915, p. 912—913.) — Patellina nTpec, Sphaeronemella 

 gpec, Sphaeropsis spec. 



559. Stewart, V. B. Mildew ou black currants. (Phytopathology 

 V, 1915, p. 349.) — Sphaerotheca mors-uvac. 



560. Winge, 0. Er stikkelsbaerdraeberen giftig? (Is the 

 gooseberry-mildew poisonous?) (Medded. i'ra Foreiiing. Svampe- 

 kundskab. Frenime I, 1915, p. 108 — 111.) — Nicht gesehen. Betrifft Sphaero- 

 theca mors-uvac. 



561. Wolf, Frederiek Adolph. Strawberry leaf blight. (Proceed. 

 Alabama State Hort. Soc. XI, 1914, p. 56-58.) - Betrifft Sphaerella Fragariae. 



13. Ziersträucher. 



562. .4iionym. Rose diseases. (Vlugschrift XII. Inst. Phytopathoi, 

 Wageningen 1914, 3 pp.) 



563. Chifflot. Sur l'extension du Marsonia Rosae (Bon.) Br. et 

 Cav. dans les cultures de rosiers. (Assoc. fran^. Avanc. Sei. Congres 

 Havre 1914. Paris 1915. p. 426 — 428.) 



564. Gloyer, W. 0. Ascochyta clematidina, the cause of stem-rot 

 and leaf-spot of Clematis. (Journ. Agr. Research IV, 1915. p. 331—342, 

 tab. 50 — 54.) 



565. Gloyer. W. 0. Ascochyta clematidina. the cause of stem-rot 

 and leaf-spot of Clematis. (N. York Agr. Exp. Stat. Teehn. Bull. Nr. 44, 

 1915, p. 3-14, 5 tab.) - Siehe ,, Pilze" 1915, Ref. Nr. 551. 



566. Hotson. J. W. Enemies of the Rhododendron. (The 

 Moimtaineer VIII. 1915, p. 75 — 77, c. fig.) 



567. Howitt. J.'Eaton. Spraying experiments to prevent rose- 

 leaf blotch. (Ann. Rept. Depart. Agric. Ontario 1913, vol. I, ersch. 1915, 

 p. 46.) — Aciinonema Rosae. 



568. Osterwalder. A. Der Evoni'/nus -Mehltau und seine Be- 

 kämpfung. (Schweiz. Obst- u. Gartenbauztg. 1915, p. 339 — 341.) 



14. Feld- und Waldbäume. 



569. Anderson, Jacob Peter. Some observations on sycamore 

 blight and accorapanying fungi. (Proc. Jowa Ac. Sc. XXI, 1914, 

 p. 109-114, tab. VII— VIII.) — Bericht über Gnomonia vt'm'/o auf Platanus. 

 Im Anschluß hieran werden noch besprochen Coniothyrium mixtum. Cyto- 

 spora Platani, Massaria Platani. 



