30 Botanisches Centralblati. 



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 Small, J. K. 1913. Florida trees. A handbook of the native and natu- 



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 Small, J. K. 1913. Shrubs of Florida. A handbook of the native and 



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 Small, J. K. and J. J. Carter 1913. Flora of Lancaster County, Penn- 

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 Sosnowsky, D. 1913. Contributiones ad floram Transcaucasiae austro- 



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 Spalding, V. M. 1913. Plant associations in the vicinity of the Desert 



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 Stapf, 0. et E. Gadeceau. 1913. Note sur une espece nouvelle de Man- 



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 Stuckert, T. und A. Heimerl. 1913. Die Nycta^inaceen Argentiniens. 



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 Takeda, H. 1911 Nouveaux Leontopodium du Japon. (Bull. Soc. bot. 



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 Toepffer. 1913. Korrekturen und Nachträge zu Artikel 12. u. 15. 



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 Toepffer, A. 1913. Salices novae Africanae. (Rep. Spec. nov, XII. 



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 Toepffer. 1913. Salicetum exsiccatum Fase. VIII. No. 351—400 und 



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 Toepffer. 1913. Uebersicht der iteologischen Literatur 1912-1913. 



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 Tuzson, J. V. 19J3. Erwiderung auf Dr. A. v. Hayeks Bemerkungen. 



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 Vahl, M. 1913. The growth-forms of some plant formations of 



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 Warming, E. 1913. Fra det braendte Himmelbjerg. (Bot. Tidsskr. 



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 Wernham, H. F. 1913. New Rubiaceae from tropical America. III. 



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 Wheldon, J. A. 1913. Helleborine viridiflora in Britain. (Journ. of 



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