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 Golden, K. E., Growth in length and thickness of the petiole of Richardia. 



(Proceedings of the Indian. Academy of Sciences. 1893. p. 235 — 237.) 

 Mac Dougal, D. T., Titles of literature concerning the fixation of free nitrogen 



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 Mac Farlane, T., The transmutations of nitrogen. (Ottawa Naturalist. VIII. 



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 Willis, J. C, Contributions to the natural history of the flowers. Part II. 



Fertilization methods of various flowers ; cleistogamy in Salvia verbenacea. 



Communicated by Francis Darwin. (Extr. from the Linnean Society's 



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Systematik und Pflanzengeographie: 



Bonnier, Gaston et Layens, Georges de, Nouvelle flore du nord de la France 

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Conlter, S., The phanerogamic flora of Indiana. (Proceedings of the Indian. 

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Davidson, Anstruther, Californian field notes. V. (Erythea. Vol. II. 1894. 

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Davy, J. Burtt., Transcripts of some descriptions of Californian genera and 

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Ehitsch, Verzeichniss der in der Gegend von Blieskastel wachsenden Pflanzen. 

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 Hessler, R., The adventitious plants of Fayette County, Ind. (Proceediugs of 



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Hill, E. J., Wild Roses about Chicago. (The Garden and Forest. VII. 1894. 



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 Kearney, T. II., Steironema iutermedium Kearney. (Bulletin of the Torrey 



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Pnrpus, A., Seltene und bemerkenswerthe Pflanzen aus der Flora des Donners- 

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Werner, W. C, New Phaenogams for the Ohio flora. (Journal of the Cincinnati 

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White, Theodore G., A preliminary re vision of the genus Lathyrus in North 

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