12 Botanisches Centralblatt. 



Harshberger, J. W. 1915. The diversity of ecologic conditions and its 



influence on the richness of floras. (Proc. Ac. nat. Sc. Philadelphia. 



1915. p. 419-425.) 

 Henriksson, J. 1915. Om Corylus Avellana. (Bot. Not. 1915. p. 237—247. 2 1.) 

 Henslow, G. 1915. Floral Rambles in Highways and Byways. (London. 



S. P. C. K. 1915. 294 pp. Price 6/- .) 

 Hosseus, C. C. 1915. La vegetaciön del lago Nahuel Huapi y sus mon- 



tanas. (Trab. Inst. bot. y farm. Fac. Cienc. med. Buenos Aires. 



1915. 33. 102 pp.) 

 Howe, C. D. and J. H. White. 1915- Trent Watershed Survey. Canadian 



Commission of Conservation Committee on Forests. (Toronto. 1913.) 

 Hutchinson, J. 1915. New tropical African species of Ficus. (Kew 



Bull. 1915. p. 313—344. ill.) 

 Junge, P. 1915. Zur Frühlingsflora der Inseln Föhr und Amrum. 



(Allg. bot. Zschr. XXI. p. 59—64.) 

 Kägi, H. 1915. Die Arten der Sektion Dentaria des Zürcher Ober- 

 landes. (Jahresber. Zürcher, bot. Ges. XII. 15 pp.) 

 Kneuclier, A. 1915. Bemerkungen zu den „Gramineae exsiccatae". 



27.-32 Lfrg. 1914/15. (Allg. bot. Zschr. XXI. p. 74—87. Schluss folgt.) 

 Knowlton, C. H. and W. Deane. 1915. Reports on the flora of the 



Boston district. XX. (Rhodora. XVII. p. 169—180.) [Urticaceae to 



Phytolaccaceae. — Trelease.] 

 Koidzumi, G. 1915. Decades plantarum novarum vel minus cognita- 



rum. (Bot. xMag. Tokyo. XXIX. p. 155-160.) 

 Koorders, S. H, und T. Valeton. 1915. Atlas der Baumarten von Java. 



12. Lfrg. (Leiden, P. W. M. Trap. 1915. 8^.) 

 Kränzlin, F. 1915. Bignoniaceae Plantae Uleanae. (Nbl. BerUn-Dahlem. 



VI. p. 369-380.J 

 Krause, K. 1915. Lauraceae africanae III.(Bot.Jahrb. LIII. p. 449 451.) 

 Krause, K. 1915. Ueber die Vegetationsverhältnisse des westlichen 



und mittleren Kleinasiens. Auf Grund einer im Sommer 1914 un- 

 ternommenen Studienreise. (Bot. Jahrb. LIII. Beibl. Nr. 116. p. 



284—313. T. XXIII— XXV.) 

 Kryshtofovich, A. 1915. The traces of growing of the oak in Kirghize- 



steppes. (Bull. Ac. imp. Sc. Petrogad. 1915. p. 987-989. Russian. 

 Laing, R. M. 1914. A revised list of the Norfolk Island Flora, with 



some notes on the species. (Trans. N. Zealand Instit. XLVII. p. 1—39.) 

 Laing, R. M. 1913. On a subalpine element in the flora of Banks 



Peninsula. (Trans. N. Zealand Instit, XLVI. p. 56-59.) 

 Lecomte, H. 1915. Elaeagnacees de Chine et d'Indo-Chine. (Bull. Mus. 



Hist. nat. XXI.) 

 Legre, H. 1913/14. Herborisations dans les Basses-Alpes [annotees 



par L. A. Dessalle]. (Bull. Soc. sc. et htt. Basses-Alpes. XVI. p. 



1_16, 103—113, 188—196, 263-268, 322-332, 357—386.) 

 Leveille, H. 1915. Flora missionnaria asiatica. (Bull. Geogr. bot. XXV. 



p. 13—26, 37-50.) 

 ILeveille] . H. 1915. Un nouveau Carex du Yun-Nan. (Monde des Plantes. 



2. XVII. p. 15.) 

 Macbride, J. F. 1915. Range and tensions of two grasses. (Rhodora. 



XVII. p. 159-160.) 

 Marloth, R, 1915. The flora of South Africa. Vol. IV. Monocotyledo- 



nes. (London, W. Wesley & Son. 1915. Price £ 2,2.) 

 Mercer, G. E. 1914. The flora of Belgrave and Birstall. (Trans. Lei- 



cester lit. and phil. Soc. XVIII. p. 76—92.) 

 Merrill, E. D. 1915. On the appHcation of the generic name Nauclea 



of Linnaeus. (Journ. Washington Ac. Sc. V. p. 530—542) 



