Neue Litteratur. 75 



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 Harper, R. M. 1911. A quest for Wakulla volcano. (Florida Rev. 



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 Harvey-Gibson, R. J. 1912. Note on the anatomy and herbal 



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 Heese, E. 1911. Echinocactus Gürkeanus Heese nov. spec. (Mschr. 



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 Hegi, G. 1912. Hemerocallis flava L. in den Lechauen. (Mitt. bayer. 



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 Heller, A. A. 1912. New combinations. V. (Muhlenbergia. VII. 



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 Heller, A. A. 1911. The flora of the Ruby Mountains. IL (Muhlen- 

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 Heller, A. A. 1912. The flora of the Ruby Mountains. III. (Muhlen- 

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 Holden, W. 1912. Bibliography relating to the flora of Germany. 



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 Holden, R. 1912. Reduction and reversion in the North American 



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 Houqh, R. B. 1911. Leaf-key to the Trees of the Northern States 



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 Hough, R. B. 1911. The American woods, exhibited by actual 



specimens and with copious explanatory text. Part XII. Represen- 



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 Hutchinson, J. 1912. African Buxeae. (Kew Bull. 1912. p. 52—55.) 

 Javorka, S. 1911. Ein nicht erkannte Graminee unserer Flora. 



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man eine Seslena-Art, die Schlosser als S. juncifolia Host bestimmt 



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 Jepson, W. L. 1911. Flora of Western Middle California. 2. edit. 



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