(100) 



Steil, W. N. Method for staining antherozoid of fern. (Bot. Gazette LXV [1918], 

 p. 562—563, 1 Fig.) 



Studies of some new cases of apogamy in ferns. (Bull. Torrey Bot. Club XLV 

 [1918], p. 93—108, 2 PI.) 



Stokey, A. G. Apogamy in the Cyatheaceae. (Botan. Gaz. LXV [1918], p. 97—102, 



10 Fig.) 

 Wangerin, W. Fortsetzung der Untersuchung der Vegetationsverhaltnisse des GroBen 



Moosbruches im Kreise Labiau im Sommer 1914. (Schrift. d. Physik.-okonom. 



Gesellsch. Konigsberg i. Pr. LVIII [1917], p. 30—43.) 



Watts, W. W. Some cryptogamic notes from the Botanic Gardens, Sydney. (Proceed. 

 Linn. Soc. New South Wales XLI [1916], p. 377—386, 1 PI.)" 



Woynar, H. f. Betrachtungen iiber Polypodium austriacum Jacquin. (Osterr. Bot. 

 Zeitschr. LXVI1 [1918], p. 267—275.) 



VIII. Phytopathologie. 



A. D. C. Pathological Laboratory. Kew. (Kew Bulletin 1918, p. 39 — 42.) 

 Abromeit, J. UberMiBbildungen. (Schrift. Physik.-okonom. Gesellsch. Konigsberg i.Pr. 



LVIII [1917], p. 21—22.) 

 Akerman, a. Iakttagelser rorande strafusarios pa varvete sommaren 1917 (Beob- 



achtungen iiber Halmfusariose an Sommerweizen 1917). (Sveriges Utsadest. 



Tidskr. XXVIII [1918], p. 82—89.) 

 Allard, H. A. The mosaic disease of Phytolacca decandra. (Phytopathology VIII 



[1918], p. 51—54, 2 Fig.) 

 — Effects of various salts, acids, germicides etc., upon the infectivity of the virus 



causing the mosaic disease of tobacco. (Journ. Agric. Research Washington XIII. 



[1918], p. 619—637.) 

 Anderson, P. J. Roc canker and its control. (Bull. Massachusetts Agric. Experim. 



Stat. Nr. 183 [1918].) 

 Appel, 0. Die Rhizoctoniakrankheit der Kartoffel. (Deutsche landw. Presse XLIV 



[1917], p. 499, 1 farb. Tafel.) 

 Archer, E. A disease or teratological malformation of lucerne. (Proceed, roy. Soc. 



Victoria N. S. XXIX [1917], p. 150—153, 1 PI.) 

 Artschwager, E. F. Histological studies on potato leafroll. (Journ. Agric. Res. 



Washington XV [1918], p. 559—570, ill.) 

 Babcock, D. C. Disesaes of ornamental plants. (Monthly Bull. Ohio Agric. Experim. 



Stat. II [1917], p. 323—328, 4 Fig.) 

 Ball, E. D. Leaf burn of the potato and its relation to the potato leaf-hopper. (Science 



N. S. XL VIII [1918], p. 194.) 

 Barms, M. F. Varietal suscepibility of beans to strains of Colletotrichum Lindemuth- 



ianum. (Phytopathology VIII [1918], p. 582—614, 5 PI.) 

 BaudyS, E. Gallen von verschiedenen Standorten. (Soc. entomol. XXXIII [1918], 



p. 33—35, 4 Fig.) 

 Benedict, R. C. Two serious fern pests. (Americ. Fern. Journ. VII [1918], p. 122 — 124.) 

 Bijl, P. A. van der. Fomes applanatus (Pers.) Wallr. in South Africa, and its effect on 



the wood of black ironwood trees (Olea laurifolia). (South Afric. Journ. Sci. X^ 



[1918], p. 485—492, 1 PI., 2 Fig.) 



Bisby, G. R. and Tolaas, A. G. Copper sulphate a disinfectant for potatoes. (Phyto- 

 pathology VIII [1918], p. 240—241.) 



