Neue Litteratur. 125 



Braun, E. L. 1917. The Vegetation of conglomerate rocks of the 



Cincinnati formation. (Plant World. XX. p. 380—392. 5 f.) 

 Bunyard, E. A. 1917. The history and development of the red 



currant. (Journ. r. hört. Soc. Londen. XLII. p. 260—270. ill.) 

 Burnham, S. H. 1918. The llora of Indian ladder und vicinity; to- 



gether with descriptive notes on the scenery. (Torreya. XVIII. p. 



127-149. ill.) 

 Busealioni, L. e G. Muscatello. 1917. Studio monografico sulle specie 



americane del sen. „Saurauia" Willd. (Malpighia. XXVIII. p. 1—48, 



107—138, 223—238.) 

 Chavarria, A. P. 1917. Apuntes para el estudio de lä' flora nacional 



(Bol. Soc. Cienc. nat. Inst. La Salle. VI. p. 135—138.) 

 Christ, H. 1918. Souvenirs de botanique vaudoise. (Bull. Soc. vau 



doise Sc. nat. LI. p. 607—621.) 

 Cortes, S. 1917. Flora de Colombia. (Rev. Medica de Bogota. XXXIV 



p. 523-528. 2 f.) 

 Daniels. L. L. 1917. On the flora of Great Salt Lake. (Amer Nat. LI 



p. 499—506.) 

 Daubanton. 1918. Byrsonima cotinifolia. (Teysmannia. XXIX. p 



306—308.) 

 Daubanton. 1918. Drymaria cordata Willd. (Tevsmannia. XXIX 



p. 305—306.) 

 Daubanton. 1918. Warszewiczia coccinea Klotzsch. (Teysmannia 



XXIX. p. 302—305.) 

 Diels, L. 1918. Stand und Aufgaben der Pflanzengeographie. (Die 



Naturw. VI. p. 581-585.) 

 Emerson, A. I. and C. M. Weed. 1918. Our trees, how to know 



them. 5. edit. (Philadelphia and London, J. B. Lippincott Co. 1918. 



XXI, 295 pp. 149 f. Price tf 3,50.) 

 Goeze, E. 1917. Kultur, Naturalisation, Ausartung. (Mitt. deutsch. 



dendrol. Ges. 1917. p. 160-188.) 

 Farrer, R. 1916. Report of work in 1914 in Kansu and Tibet. (Journ. 



r. hört. Soc. London. XLII. p. 47—114. ill.) 

 Farrer, R. 1917. Report of work in 1915 in Kansu and Tibet. (Journ. 



r. hört. Soc. London. XLII. p. 324—348.) 

 Farrow, E. T. 1918. On the ecology of the Vegetation of Breckland. 



VI. Characteristic bare areas and sand hummocks. (Journ. of 



Ecol. VI. p. 144—152.) 

 Farwell, O. A. 1918. Sisvrinchium Bermudiana. (Mem. Torre}' bot. 



Club. XVII. p. 82—83.)" 

 Greenman, J. M. 1918. Monograph of the North and Central Ameri- 

 can species of the genus Senecio. IL (Ann. Missouri bot. Gard. 



V. p. 37—108. 2 pl.) 

 Györffy, I. 1918. Communicatio I a stationis phytophaenologicae 



Kolozsvarensis. (Bot. Müz. Füz. IL 86—88. 1 t. Mag. u. Deutsch.) 

 Harper, R. M. 1918. The Vegetation of the Hempstead plains. (Mem. 



Torrey bot. Club. XVII. p. 262—286. 1 pl. 3 f.) 

 Hruby, J. 1918. Das Plateau von Komen im österreichischen Küsten- 

 lande. (Oesterr. bot. Zschr. LXVII. p. 196—213.) 

 Hutchinson, J. 1918. Taxotrophis and Balanostreblus. (Kew Bull. 



1918. p. 147 -153. 2 f.) 

 Kanngiesser, F. und A. Jacques. 1917. Ein Beitrag zur Kenntnis der 



Lebensdauer von Zwergsträuchern aus hohen Höhen der Schweiz. 



(Mitt. deutsch, dendrol. Ges. 1917. p. 87-94. ill.) 

 Eoehne, E. 1917. Fünf Mischlinge von Prunus cerasifera Ehrh. (Mitt. 



deutsch, dendrol. Ges. 1917. p. 66—71. ill.) 



