28 Floristik, Geographie, Systematik etc. 



L'auteur y Joint les diagnoses de quelques nouveautes de la 

 flore japonaise: Salix hamatidens Levl., 5. sapponoensis Levl., S. 

 korsakoviensis Levl. et complete la description du 5. cardiophylla 

 Trautt. et Mey. J. Offner. 



Mentz , A. , Empetvaceae. Empetrum nigrum . (The structure 

 and biology ofarctic flowering plants I. 3.) (Meddelelser 

 om Grönland XXXVI. Copenhagen 1909. 10 pp. 1 fig. in the text.) 



A description of the outer and inner structure of the arctic 

 species Empetrum nigrum, together with a füll account of previous 

 litterature. Ove Paulsen. 



Mentz, A., Studier over danske Hedeplanters Oekologi 

 (II Arctostaphylös-Typen)(Studies on the Oecology of 

 danish heath-plants. IL The Arctostaphy lus-ty pe.)(Bot. 

 Tidsskr. 29. Köbenhavn 1909. 30 pp. 16 fig. in the text.) 



Description of two species belonging to the above named type. 

 Arctostaphy lus uva ursi and Vaccinium vitis idaea, of their occur- 

 rence in danish heaths and their biological features. 



These two species are a very characteristic element of the Vege- 

 tation of danish heaths. Both are old inhabitants of northern coun- 

 tries. They are growing in the drier parts of the heaths, on humous 

 soil. Arctostaphy lus is more heliophilous than Vaccinium. The roots 

 have no root-hairs but bear mycorhizas. Both species are dwarf- 

 shrubs, Arctostaphylus has rooting branches and is to a slight 

 degree travelling, the light-shoot is long living. Vaccinium has 

 hypogeous stolons, and the light-shoot lives but short. The leaves 

 of both are wintering and living until 4 periods of growth, their 

 direction is horizontal, their structure dorsiventral. As a whole both 

 plants have a xerophilous structure. Both have vegetative propaga- 

 tion, cotyledonous plants being very rare. Ove Paulsen. 



Nordström, K. B., Floristika anteckningar under en resa 

 tili Halle- och Hunneberg sommaren 1908 [Floristische 

 Aufzeichnungen während einer Reise nach Halle- und 

 Hunneberg im Sommer 1908]. (Svensk botanisk Tidskrift. III. 

 p. (71)— (77). 1909.) 



Enthält Notizen über bemerkenswertere Phanerogamen aus meh- 

 reren Gegenden im südlichen Schweden. Neue Namen sind: Va- 

 leriana excelsa Poir. f. verticülata n. f., Cardamine amara L. f. reptans 

 n. f. (Abbildung derselben wird geliefert) und Caltha palustris L. f. 

 parviflora n. f. Rob. E. Fries. 



Ostenfeld, C. H., The Land-Vegetation of the Faröes, 

 with special reference to the Higher Plants. (Botany of 

 the Faroes. III. p. 867 — 1026. with 31 illustrations. Copenhagen, 

 1908.) 



The same subject has been provisionally treated by the writer 

 in a Danish paper of which a short review has appeared in „Botan. 

 Centralbl." vol. 104, p. 614, 1907. 



The present paper begins with an introduction in which the 

 author thanks Dr. W. G. Smith of the University of Birmingham 

 for his valuable assistance in revising the English language and for 



