332 GEOGRAPHICAL BOTANY. 



Salix Uastata, from which Wall roth distinguishes the 

 form which he discovered on the gypsum-chain of the 

 southern Hartz mountains, as S. surculosa. Scheele has 

 continued his work upon German and individual Exotic 

 Plants, which was noticed in the last Annual Report 

 (Ratisbon Flora, 1844, and Linnaea, 1844); and Peter- 

 mann has followed him in attempts of the same kind, to 

 contribute to our knowledge of native species (Ratisbon 

 Flora, id.). 



Provincial Topographies and Sketches of the Vege- 

 tation in the Province of the German and Prussian 

 Flora : Kamp, Catalogue of Plants growing wild around 

 Memel (Preuss. Provinzialblatter, 1844, p. 451-569); 

 Leo Meier, On the Flora of Gerdana in Eastern Prussia 

 (Bot. Zeit., 1844) ; Roeper, Contributions to the Flora 

 of Mecklenberg (Part 2, Rostock, 1844), representing 

 the Graminacese in the manner pointed out above ; 

 Fiedler, Synopsis of the Mosses of Mecklenberg (Schwerin, 

 1844-8)5 Hacker, Flora of Liibeck (1844-8); K. 

 Miiller, Contributions to a Cryptogamic Flora of Olden- 

 burg (Bot. Zeitung, 1844), with additions and correc- 

 tions by H. Koch (id.) ; Wimmer's Flora of Silesia, 

 which was mentioned in the Annual Report for 1840, 

 has appeared in a second and enlarged edition (Breslau, 

 1844) ; Reichenbach, Upon the Botanical Conditions of 

 the Flora of Saxony (i. e. Gaea of Saxony, 1843-8), 

 contains nothing more than a catalogue of rare plants 

 from the separate districts, in the form of extracts from 

 the author's 'Flora Saxonica;' Pfeiffer, Sketch of the 

 Plants hitherto found in Kur-Hesse (Cassel, 1844-8); 

 this is to be regarded as preliminary to a critical Flora of 

 Hesse, and contains a large number of new localities, 

 especially on the basaltic mountains of Cassel ; by the 

 same author, A few words upon the Subalpine Flora of 

 Meissner (loc. cit., 1844); Wirtgen, Supplements to the 

 Flora of the Prussia Rhine Provinces (Verhandlungen des 

 naturhistorischen Vereins der Preussischen Rheinlande, 

 Jahrg. 1) ; Thieme, Catalogue of the Plants growing at 



