156 Botanisches Centralblatt. 



nas gränslinjer i sydöstra Sverige. (Ark. för Bot. XL 44 pp. 2 t.) 

 Hayden, A. 1911. An ecological study of a prairie province in 



central Iowa. [Abstract]. (Proc. Iowa Acc. Sc. XVIII. p. 55— 56.) 

 Hock, F. 1912. Unsere Frühlingspflanzen. (Leipzig, 1912. 8°. VI, 



ISO pp. 76 A.) 

 Holliek, A. 1912. Some features of the Dismal swamp of Virginia. 



(Journ. New York bot. Gard. XIII. p. 53—56. 2 pl.) 

 Icones bogorienses. 1912. Vol. IV. Fase. 2. pl. CCCXXVI— CCCC. 

 Jaccard, P. 1912. The distribution of the flora in the Alpine zone. 



(N. Phytologist. XL p. 37—50.) 

 Johns, C. A. 1912. The Forest Trees of Britain. 10. ed. (London, 



1912. 8°. 446 pp. ill.) 

 Kellerman, M. 1912. A method of preserving type speeimens. 



(Journ. Washington Ac. Sc. IL p. 222—223.) 

 Kennedy, P. B. 1912. Alpine plants. VII. (Muhlenbergia. VIII. 



p. 25-26. 2 flg.) 

 Knight, A. E. and E. Step. 1912. Hutchinson's populär botany. 



The living plant from seed to fruit. Complete in about 18 parts. 



(London, Hutchinson & Co. 1912. Part 1 contains 55 ill. and 1 col. 



pl. Price 7 pence.) 

 Knowlton, C. H. et al. 1912. Reports on the flora of the Boston 



district. XIV. (Rhodora. XIV. p. 76—78.) 

 Koehne, E. 1912. Genus Sorbus s. Str., speciebus varietatibusque 



novis auetum. I. (Rep. Spec. nov. X. p. 501—507.) 

 Koehne, E. 1912. Prunus yedoensis var. nudiflora, nov. var. (Rep. 



Spec. nov. X. p. 507.) 

 Kraschenninnikow, H. 1912. Einige Beobachtungen über die 



Verteilung der Wald- und Steppenformationen im Kreise Tschel- 



jabinsk im Jahre 1910. (Bull. Jard. imp. bot. St.-Petersburg. 



XII. p. 11—45. Russisch u. deutsch.) 

 Krause. 1912. Beiträge zur Gramineen-Systematik. (Beih. bot. Cbl. 



2. XXIX. p. 127—146.) 

 Laffon, R. 1911. Catalogue descriptif des Plantes Phandrogames de 



la commune de Saint-Cernin-de Lärche (Correze). 'Limoges, 1 °* 1 1 . 



8°. 83 pp.) 

 Laus, H. 1912. Ueber die Verbreitung von Myrrhis odorata und 



anderen sudetischen Umbelliferen. [Forts.]. (Deutsche bot. Mschr. 



XXIII. p. 28-30.) 

 Lavialle, J. B. 1911. Classification du genre Castanea. (Limoges 



1911. 80. 72 pp. ill.) 

 Lehmann, E. 1912. Veronica javanica Blume, ein Ubiquist tropi- 

 scher und subtropischer Gebirge. (Ann. Jard. bot. Buitenzorc XXV. 



p. 189—201.) 

 Leveille, H. 1912. Decades plantarum novarum. LXXXVII— 



LXXXVIII. (Rep. Spec. nov. X. p. 473-476.) 

 Leveille, H. 1912. Un Arabis eperonne. (Bull. Geogr. bot. 



XXI p. 61.) 

 Lindly, J. M. 1911. Flowers of Storv County. (Proc. Iowa Ac. Sc. 



XVIII. p. 19-24.) 

 Linnell, M. B. 1912. The meadows of Ohio. (Ohio Nat XII. p. 



465-468.) 

 Long, B. 1912. Some results of recent field work in the Cape May 



Peninsula. (Bartonia. IV. p. 14 — 19.) 

 Luizet, M. 1912. Contribution ä l'etude des Saxifrages du groupe 



des Dactyloides Tausch. VIII. (Bull. Soc. bot. France. LVIII. p. 



713—717.) 



