(83) 
Robinson. W. J. The Filmy Ferns (Hymenophyllacex). Fig. (Plant World IX 
1906, p. 219—221.) 
Seward, A. C. Anatomy of Lepidodendron aculeatum Sternb. With plate 
and fig. (Ann. of Bot. XX 1906, p. 371—381.) 
Sim, T. R. Recent Information concerning South African Ferns and their 
Distribution. With 2 plates. (Trans. S. Afr. Phil. Soc. XVI 1906, p. 267—300.) 
Slosson, M. How Ferns grow. With 45 plates. New-York 1906, 156 pp. — 
See also p. (33). 
Weiss, T. E. A Stigmaria of Unusual Type. (Naturalist 1906, p. 344.) 
Woolson, G. A. Ferns and how to grow them. Fig. London 1906, 8%. 166 pp. 
VII. Phytopathologie. 
Anonymus, Plant Diseases V—VI. Diseased Apples and Melons from the Cape 
of Good Hope. — Potato Leaf Curl. With plate. (Bull. Misc. Inf. R. Bot, 
Gard. Kew 1906, p. 193—196, 242—245.) 
— Aus der pflanzenpathologischen Versuchsstation zu Geisenheim. (Ztschr. 
Pflz. Krkh. XVI 1906, p. 139—142.) 
— A Fungous Disease of Lucerne. (Journ. Board Agr. XIII 1906, p. 51—52.) 
Baccarini, P. Intorno ad una affezione della Winterana canella L. (N. Giorn. 
Bot. Ital,, n. ser. XIII 1906, p. 281—287.) 
Bain, S. M. and Essary, S. H. A new Anthracnose of Alfalfa and Red 
Clover. (Journ. of Mycol. XII 1906, p. 192—193.) 
Bolley, H. L. Rust Problems. Facts, Observations and Theories; possible 
Means of Control. Fig. (Bull. Agr. Exp. N. Dakota Stat. 1906, 66 pp.) 
Bondarzew, A.S. Parasiten der wilden und Kulturpflanzen im Gouvernement 
Kursk. (Act. Hort. Petrop. XXVI 1906, p. 1—52.) Russisch, 
Busse, W. Bericht über die pflanzenpathologische Expedition nach Kamerun 
und Togo 1904—05. Mit 4 Tfln. u. Fig. (Beih. Tropenpfl. VII 1906, p. 163—262.) 
Clodius, G. Der Pilzkrebs der Apfelbäume und seine Bekämpfung. Fig. 
(Prakt. Ratgeber Obstbau XXI 1906, p. 153—156.) 
Cooke, M. C. Fungoid Pests of Cultivated Plants.. (Spottiswoode & Co.) 1906. 
Dandeno, J. B. A Fungus Disease of Greenhouse Lettuce. (Michig. Acad. 
Sc. VIII 1906, No. 45.) 
Delacroix, G. Sur une maladie de la pomme de terre produite par Bacillus 
phytophthorus (Frank) O. Appel. (Compt. Rend. Acad. Sc. CXLII 1906, 
p. 383—384.) 
Detmann, H. Beobachtungen über Pflanzenkrankheiten und Schädlinge der 
Kulturpflanzen in Baden. (Ztschr. Pflz. Krkh. XVI 1906, p. 142—144 ) 
Garcia, F. Notes on Crown Gall of Grapes. (Bull. New Mex. Agr. Exp. Stat. 
1906, p. 19—21, 28—30.) — See also G. G. Hedgcock. 
Güssow, H. T. Beitrag zur Kenntnis des Kartoffelgrindes, Corticium vagum 
B. et C. var. Solani Burt. Mit Tfl. (Ztschr. Pflz. Krkh. XVI 1906, p. 135—137.) 
— Eriophyes- (Phytoptus-) Knospengallen und Hexenbesen der Birke. Mit 2 Tfin. 
ü. Fig. (Nat. Ztschr. Land- u. Forstw. IV 1906, p. 421—429.) 
Hedgceock, G.G. The Crown-gall and Hairy-root Diseases of the Apple Tree. 
With 3 plates. (Bull. U. S. Dept. Agr. Bur. Plant Ind. 90 1906, p. 15—17.) 
— The Crown Gall Disease of the Grape Vine. (Bull. New Mex. Agr. Exp. Stat. 
1906, p. 30—31.) — See also F. Garcia, 
Johnson, T. The Corn Smuts and their Propagation. (Scient. Progr, I 1906, 
No, 1.) 
Kieffer, J.-J. Neue Weidengallenmücke (Entom. Medd. II 1906, p. 1). 
6* 
