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Boot, D. H. 1915. Comparison of field and forest floras in Monona 



county, Iowa. (Proc. Iowa. Ac. Sc. XXI. p. 53-58.) 

 Cabanes, G 1915. Etüde sur l'Herbier Bernardin Martin, docteur- 



medecin ä Aumessas (Card). (1813-1897). (Bull. Soc. Etüde Sc. 



nat. Nimes. XXXIX. p. 41-63.) 

 Cabanes, G. 1913. Indication de deux esp^ces nouvelles pour la flore 



du Gard, et d'une troisi^me espece rare du bassin mediterraneen 



frangais. (Bull. Soc. Etüde Sc. nat. Ntmes. XXXIX. p. 66—70.) 

 Chipp, T. F. 1914. A list of herbaceous plants and undershrubs of the 



Gold Coast, Ashanti and the northern territories. Waterlow and 



Sons Ltd. London Wall. Ec. 

 Davidson, A. 1915. Two new Mariposas. (Bull. S. California Ac. Sc. 



XIV. p. 11 — 12. 2 f.) 

 Degen, A. 1914. Cyperaceae, Juncaceae, T3'-phaceae et Sparganiaceae 



Hungaricae Exsiccatae. I — III. Opus cura rerum agriculturae summo 



praefecto regio hungarico submissi Reg. Hung. Institut. Sementi 



Exuminandae Budapestinensis conditum. (Budapestini, 1914.) 

 O'Donohue, J. G. 1915. VVanderings on the Murray flood- piain. 



(Victorian Nat. XXXII. p. 7—20. to be cont.) 

 Dünn, S. T. 1915. A Key to the Labiatae of China. (Notes r. bot. 



Gard. Edinburgh. VI. p. 127—190.) 

 Dyer, T. 1915. Flora capensis. (V. Sect II. Part I. 192 pp.) 

 Engler, A. 1915. Araceae-Philodendroideae-Anubiadeae, Aglaone- 



mateae, Dieffenbachieae, Zantedeschieae, Typhonodoreae, Peltan- 



dreae. (Das Pflanzenreich. 1915. 8«. 64. Heft. 78 pp. ill.) 

 Ewart, A. J. and 0. B. Davies. Some account of the flora of the 



Northern Territory. (Rep. 48^!! Meet. british Ass. Adv. Sc. Austraiia 



1914. London, 1915. p. 573—574.) 

 Farwell, 0. A. 1915. Notes on the Michigan species of Polygonatum. 



(Bull. Torrey bot. Club. XLII. p. 247—258. pl. 12—18.) 

 Frltsch, F. E. and E. J, Sällsbury, 1915. Further observations on the, 



heath association on Hindhead Common. (N. Phytologist. XIV. 



p. 116—138, 1 pl. 1 f.) 

 Frothingham, E. H. 1915. The eastern hemlock [Tsuga canadensis]. 



(Bull. U. S. Dep. Agr. 1915. 152.) 

 Fryer, A. and A. Bennett. 1915. The Potamogetons (pond weeds)ofthe 



British Isles, with descriptions of all the species, varieties and 



hybrids. (London, L. Reeve & Co. 1915. 40. X. 94 pp. 60 pl. Price 



£ 5, 5 sh., col.; £ 3, 15 sh., uncol.) 

 Guilelmi, A. 1915. Vorlage der in Dalmatien gesammelten Orchidaceen. 



(Verh. k. k. zool.-bot. Ges. Wien. LXV. p. 40—41 der Sitzber.) 

 Hackel, E. 1915. Ueber eine vom National-Herbarium in Washington 



der botanischen Abteilung des k. k. nath. Hofmuseums eingelaufene 



Sendung in zwei Centurien Gräser. (Verh. k. k. zool.-bot. Ges. 



Wien. LXV. p. 44-45 der Sitzber.) 

 Harshberger, J. W. 1914. Pinus Banksiana on Nantuckett. (Rhodora. 



XVI. p. 184.) 

 Hiern, W. P. 1915, Australian Ebenaceae. (Rep. 48^^ Meet british 



Ass. Adv, Sc. Austraiia, 1914. London, 1915. p. 575—576.) 

 Hofmann, A. 1915. Die Vegetationsverhältnisse in Tripolitanien. 



fOesterr. Vierteljahrschr. Forstw. N. F. XXXIII. p. 31—38.) 

 Hosseus, C, C. 1915. Durch Patagonien von San Antonio am Atlan- 

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f. Geogr. XXXVII. p. 1 — 14. 9 A.) 

 H. T. 1915. Mahonia confusa. (Kew Bull. 1915. p. 128.) 

 Humphrey, H. B. and J. E. Weaver. 1915. Natural reforestation in 



