60 Botanisches Centralblatt. 



Knowlton, C. H. and W. Deane. 1918. Reports on the flora of the 

 Boston district. XXVIII— XXIX. (Rhodora. XX. p. 164—171, 208—209.) 



Koidzumi, G. 1918. Contributiones ad floram Asiae Orientalis [cont.l. 

 (Bot. Mag. Tokyo. XXXII. p. 249—259, to be cont.j 



Lämmermayr, L. 1918. Ueber Umkehr der Pflanzenregionen und 

 Verschiebung ihrer Grenzlinien unter besonderer Berücksichti- 

 gung Steiermarks. (Oesterr. Monatschr. natw. Forstbildung. XIV. 

 • p. 52—60, 100—107.) 



Lunell, J. 1918. Enumerantur plantae Dakotae septentrionalis vascu- 



lares. (Amer. Midland Nat. V. p. 233—241.) 

 Mae Caughey, V. 1918. The genus Morinda in the Hawaiian flora. 

 (Plant World. XXI. p. 209-214.) 



Matte, H. 1916. Flore de Bretagne. Synopsis analytique illustre des 

 plantes qui croissent dans le massif armoricain. Description des 

 especes: Cruciferes. (Bull. Soc. sc. et med. Ouest. XXV, p. 81—96.) 



Miyazawa, B. 1918. On the origin of „Kirishima-tsutsuji" (Rhododen- 

 dron obtusum Planch.). (Bot. Mag. Tokyo. XXXII. p. [318]-[331]. 



Morse, A. P. 1918. Amaranthus Powellii and Digitalis lanata in New 

 England. (Rhodora. XX. p. 203.) 



Nakai, T. 1918. A new attempt to the Classification of genus Arabis 

 growing in Japan, Corea, Saghaline and the Kuriles. (Bot. Mag. 

 Tokyo. XXXII. p. 233-248.) 



Nakai, T. 1918. Notulae ad plantas Japoniae et Koreae. XVIII. (Bot. 

 Mag. Tokyo. XXXII. p. 215—232.) 



Oswald, W. L. and A. Boss. 1918. Minnesota weeds. III. (Bull. Minne- 

 sota agr, Exp. Stat. 1918. 176. p. 6-42. 25 f.) 



Pamme!, L. H. 1918. Prickly lettuce. (Rhodora. XX. p. 180—181.) 



Paul, H. 1918. Einige für den Bayerischen Wald neue Pflanzen. 

 (Mitt. bayer. bot. Ges. III. p. 467—468.) 



Fax, F. 1918. Pflanzengeographie von Polen (Kongress Polen). (Ber- 

 lin, 1918. 148 pp. 80. 8 T. 11 K.) 



Pehr, F. 1918. Die Wald- und Auenflora des unteren Lavanttales. 

 (Verh. zool.-bot. Ges. Wien. LXVIII. p. 215-239.) 



Phillips, E. P. 1918. A note on the Great Winterhoek ränge. (S. afri- 

 can Journ. Sc. XV. p. 226—234.) 



Pott, R. 1918. A new species of Warburgia from the Transvaal. 

 (Ann. Med. Transvaal Mus. VI. p. 60—62. 2 f.) 



Pritzel, E. 1918. Species novae ex Australia centrali. (Rep. Spec. nov. 

 XV. p. 356—361.) 



Pulling, H. E. 1918. Root habit and plant distribution in the far 

 north. (Plant World. XXI. p. 223 233. 1 f.) 



Ramaley, F. 1918. Notes on dune Vegetation at San Francisco, Cali- 

 fornia. (Plant World. XXI. p. 191—201. 4 f.) 



Rowlee, W. W. 1918. Relation of marl ponds and peat bogs. (Brook- 

 lyn bot. Gard. Mem. I. p. 410—414. 3 f.) 



Rydberg, A. 1918. Rosaceae (conclusion). Additions and corrections. 

 (N. Amer. Flora. XXII. p. 481—560.) 



Rytz, W. 1918. Die Erforschung der Alpenflora und der Alpinismus 

 in der Schweiz. (Wiss. Mitt. Alp. Mus. Bern. 1918. 34 pp. ill.) 



Sabidussi, H. 1918. „Blauaugengras" in Kärnten. (Carinthia. 2. XXVIII. 

 p. 57—60.) 



Salter, J. H. 1918. Regional distribution of the native flora of Tene- 

 riffe. (Mem. and Proc. Manchester lit. and nhilos. Soc. LXII. 

 8. p. 1 — 16.) 



Sampson, A. W. 1918. Climate and plant growth in certain vegeta- 

 tive associations. (Bull. U. S. Dep. Agr. 1918. 700. 72 pp. 37 f.) 



