(27) 
West, G. S. Algae. Vol. I. Myxophyceae, Peridinieae, Bacillarieae, Chlorophyceae, 
together with a brief Summary of the Occurrence and Distribution of Freshwater 
Algac. (Cambridge University Press 1916, X et 476 pv., 271 Illustr.) 
— and Starkey, Clara B. A contribution tu the cytology and life-hıstory of Zygnema 
ericetorum (Kütz.) Hansg., with some remarks on the „Genus“ Zygogonium. 
(New Phytologist XTV [1915], p. 194—-205, 5 Fig.) 
Wettstein, F. v. Künstliche haploide Parthenogenese bei Vaucheria und die ge- 
schlechtliche Tendenz ihrer Keimzellen. (Ber. d. deutsch. bot. Ges. XXXVIII 
[1920], p. 260-266, 2: Abb.) 
— Zur Bedeutung und Technik der Reinkultur für Systematik und Floristik der 
Algen. (Österr. Bot. Zeitschr. LXX [1921], p. 23—29.) 
Wille, N. On Algesamfund red Norges Kyst. (Naturen [1917], 25 pp., 12 Fie.) 
Woloszynska, J. Polnische Süßwasser-Peridineen. (Bull. Akad. Scı. Cracovie ser. B. 
[1915j, 1916, p. 260-285, 5 Taf.) 
— Neue Peridineen-Arten, nebst Bemerkungen über den Bau der Hülle bei Gymno- 
und Glenodinium. (Ibidem ser. B. [1917], p. 114—122, 3 Taf.) 
Yendo, K. On the cultivation of Seaweeds, with special account on their Ecology. 
(Econ. Proceed. R. Soc. Dublin [1914], 18 pp., 1 Pl.) 
— Notes on Algae new to Japan. III. (Ibidem XXIX [1915], p. 99—117, Fig. 1.) 
— Notes on Algae new to Japan IV. (Ibidem XXX [1916|, p. 47—65, Fig. 1—4.) 
— Noteson Algae new to Japan V. (Tokyo Bot. Mag. XXX [1916], p. 243—263, 2 Fig.) 
— Erythrophyllum Gmelini (Grun.) nov. nom. Sg Magazine Tokyo XXIX 
[1915], p. 230—237.) 
Zahlbruckner, A. Schedae ad „Kryptogamas exsiccatas‘‘ editae a Musco Palatino - 
Vindobonensi, Centuria XXII. Algae (Decades 31—32). (Ann. K. K. Naturhist. 
Hofmus,. Wien XXVIlI [1914], p. 129—134.) 
—- Schedae ad „Kryptogamas exsiccatas‘‘ editae a Museo Palatino Vindobonensi, 
Centuria XXIII. Algae (Decades 33—34.) (Ann. K. K. Naturhist. Hofmus. 
Wien XXIX [1915], p. 467—471.) 
— Schedae ad „Kryptogamas exsiccatas‘' editae a Museo Palatino Vindobonensi, ‘ 
Centuria XXIV. Algae (Decas 35). (Ann. K. K. Naturhist. Hofmus. Wien XXX 
[1916], p. 207—210.) \ 
Zimmermann, C. IT. Contribugao para o estudo das Diatomaceas dos Estado unidos 
do Brazil. (Broteria XIII, p. 37—56.) 
— Algunas Diatomaceas novas ou curiosas.. (Ibidem XIII.) 
— Walter. Zur Entwicklungsgeschichte und Zytologie von Volvox. (Jahrb. £. 
wissensch. Bot. LX [1921], p. 256—294, 1 Tafel, 2 Textfig.) 
‘ V. Pilze. 
Adams, J. F. Internal uredinia. (Mycologia VIII (1916), p. 181—182, Pl. 186.) 
— Origin and development of the lamellae in Schizophyllum commune. (Mem. 
Torrey Club XVII (1918), p. 326—333, Pl. IX, Fig. a—b.) 
— Sexual fusions and development of the sexual organs in the Peridermiums. (Penn- 
sylvania Agric. Exp. Stat. Bull. Nr. 160 [1919] 1920, p. 31—76.) 
— Keithia on Chamaecyparis thyoides. (Torreya XVIII (1918), p. 157—160. 2 Fig.) 
— The alternate stage of PucciniastrumHydrangeae. (Mycologia XII [1920], p.33—35.) 
— Darluca on Peridermium Peckii. (Mycologia XII [1920], p. 309—315, Pl. XXL) 
— Gametophytic development of blister rust. (Bot. Gaz. LXXI [1921), p. 131—138.) 
Aleock, N. L. On the Life History of the Rose Blotch Fungus. (Kew Bull. 1918. 
p: 193—197, 2 Fig.). 
