72 Botanisches Centralblatt. 



bot. Deux-Sevres. p. 274—275.) [Presencc du Scapania verrucosa 

 Heeg dans les Alpes Maritimes, ä Saint-Martin-de-Vesubie.] 

 Evans, A. W. 1912. Branching in the leafy Hepaticae. (Ann. of 

 Bot. XXVI. p. 1-37. 36 fig.) 



XVII. Pteridophyten. 

 Cf. XVIII. Dodge; Willis. 



Bonaparte, Le Prince Roland 1911. Fougeres recoltees par M. 

 Alluaud dans l'Afrique Orientale en 1908-1909. (Bull. Mus. Hist. 

 nat. Paris. XVII. p. 163-165.) 



Hergt. 1911. Monströse Formen von Ophioglossum. (Mitt. thüring. 

 bot. Ver. N. F. XXVIII. Weimar 1911. p. 89.) [Neu sind: forma 

 monstrosa furcatum (Aehre in 4 Teile geteilt), f. m. frondescens 

 (Spitze des fertilen Blattes ganz steril), f. m. crenatum (steriles 

 Blatt lappig eingeschritten.) — Matouschek (Wien)] 



Maxon, W. R. 1911. A remarkable newFern (Polypodium podocarpum 

 Max.) from Panama. (Smiths. Mise. Coli. Washington 1911. 5 pp. 3 pl.) 



XV III. Floristik, Geographie und Systematik der Fhanerogamen. 



Cf. II. Holden. 



Abrams, Le Roy 1912. A new Californian Ceanothus. (Bat. Gaz. 



LIII. p. 68.) 

 Aigret, C. 1912. Forme nouvelle de ronce: Rubus condruzensis 



Aigr. (Section des suberecti). (Bull. Soc. roy. bot. Belgique. XLVIII. 



2/3. p. 86-90.) 

 Alexander, S. 1911. Outline key of the groups of the genus Heli- 



anthus in Michigan. (Rep. Michigan Ac. Sc. XIII. p. 191 — 198. 5 fig.) 



[A suggestive preliminary outline , based on original lines of 



ecological study. — Trelease.] 

 Arnes, O. 1912. Two species of Habenaria from Cuba. (Torrej-a 



XII. p. 11—13.) [Habenaria Brittonae is described as new, and 



Cuban localities are recorded for H. nivea. — Trelease.] 

 Anonymus. 1912, Decades Kewenses. Dec. LXIII— LXIV. (Kew 



Bull. 1912. p. 35—44.) 

 Anonymus. 1912. Pseudobotrys Moeser, genus novum Icacinacea- 



rum. (Rep. Spec. nov. X. p. 310 — 311.) 

 Arnell, H. W. 1911. Om en planmässig växtgeografisk undersök- 



ning af Sverige. [Ueber eine planmässige pflanzengeographische 



Untersuchung von Schweden]. (Svensk bot. Tidskr. V. 4. p. 418 — 427.) 

 Arthur, J. C. 1911. New combinations from the genus Euphorbia. 



(Torreya. XI. p. 259-261.) 

 Andas, W. J. 1912. Botanical gleanings on a trip to the Omeo 



district. (Victorian Nat. XXVIII. p. 172—181.) 

 Bänitz, C. 1912. Herbarium Dendrologicum. XIII. Jg. Lfrg. XXXI— 



XXXIII. Nachtrag XI. (Breslau XVI, Selbstverlag [Kaiserstr. 78. 



80]. 1912.) 

 Battandier, J. A. 1912. Etüde des Euanagallis annuels de la region 



Mediterraneenne. (Bull. Soc. Hist. nat. Afrique Nord. IV. p. 23— 29.) 

 Battandier, J. A. 1912. Un nouveau sous genre de Synantherees. 



(Bull. Soc. Hist nat. Afrique Nord. IV. p. 22-23.) 

 Bliss, M. C. 1912. A contribution to the life history of Viola. (Ann. 



of Bot. XXVI. p. 155—163. 3 pl.) 

 Bonati, G. 1911. Plantae Chinenses Forrestianae. Pedicularis. (Notes 



Roy. bot. Gard. Edinburgh. XXIII. p. 79—92. 6 pl.) 

 Bornmüller, J. 1910. Aus der Flora von Neu-Vorpommern. (Mitt. 



Thüring. bot. Ver. p. 41. 1910.) [Bei Prerow gab es viele inter- 



