Neue Litteratur. 253 



Riddelsdell, H. J. 1912. Report on the progress made in connec- 



tion with the flora of Gloucestershire. (Proc. Cotteswold nat. Field 



Club. XVII. p. 381—383.) 

 Rubel, E. A. 1912. The international phytogeographical excursion 



in the Britisch Isles. V. The Killarney Woods. (N. Phytologist. XI. 



p. 54 — 57.) 

 Salisbury, E. J. 1912. Botanical observations in Hertfordshire 



during the j^ear 1910. (Trans. Hertfordshire nat. Hist. Soc. Field 



Club. XIV. p. 301-302.) 

 Schellenberg, C. 1912. Aizoaceae africanae. II, nebst einigen Bei- 

 trägen von A. Engler, E. Irmscher und G. Volkens. (Bot. Jahrb. 



XLVIII. p. 491—504.) 

 Schlechter, R. 1912. Neue Burmanniaceae Papuasiens. (Bot. 



Jahrb. IL. p. 100 — 108. 1 Fig.) 

 Schlechter, R. 1912. Neue Corsicaceae Papuasiens. (Bot. Jahrb. IL. 



p. 109-112. 1 Fig.) 

 Schlechter, R. 1912. Neue Triuridaceae Papuasiens. (Bot. Jahrb. IL. 



p. 70—89. 3 Fig.) 

 Schwarz, A. F. 1912. Flora der Umgegend von Nürnberg-Erlan- 



gen. Tl. VI. Forts, u. Nachtr. (Abb.. "Nat. Ges. Nürnberg. 1912. p. 



1063—1283.) 

 Schwegler, H. 1911. Die Buche im Hinterrheintal. (Schweiz. Zschr. 



Forstw. LXII. p. 237—240. 1 Taf.) 

 Scherff, E. E. 1912. The Vegetation of skokie marsh, with special 



reference to subterranean organs and their interrelationships. (Bot. 



Gaz. LIII. p. 415—435. 10 Fig.) 

 Thomson, H. S. 1912. Sub-Alpine Plants, or Flowers of the Swiss 



Woods and Meadows. (London, G. Roudledge & Sons. 325 pp. 33 



pl. Price 7.6.) 

 Ulander, A. 1912. Iakttagelser fräu en resa i Vesbernorrlands lau, 



sommaren 1911, tili belysande af det norrländska jardbruket i sin 



holhet. [Beobachtungen wahrend einer Reise in Westernorrlands 



Lehn im Sommer 1911, zur Beleuchtung. des norrländischen Acker- 

 baues]. (Sveriges Utsädesfor. Tidskr. 1912, p. 142. 7 Abb.) 

 Ulbrich, E. 1912. Malvaceae africanae novae. (Bot. Jahrb. XLVIII. 



p. 367-379.) 

 Urban, J. 1912. Sj^mbolae seu fundamenta Florae Indiae Occiden- 



talis. Vol. VII. Fase. 2. (Lipsiae 1912. 8°. p. 161-304.) 

 Vahl, M. 1912. The Vegetation of the Notö. (Bot. Tidskr. XXXII. 



p. 275-284.) 

 Vaupel, F. 1912. Borraginaceae africanae novae. (Bot. Jahrb. XLVIII. 



p. 526-532.) 

 Vaupel, F. 1912. Iridaceae Africanae. (Bot. Jahrb. XVIII. p. 533-549.) 

 Verhulst, A. 1912. Eragrostis minor, espece nouvelle pour la fiore 



beige. (Bull. Soc. roy. Bot. Belgique. XLVIII. p. 257—259.) 

 Verhulst, A. 1912. Nouvelle contribution ä la geographie botanique 



du jurassique beige: dispersion du Cirsium acaule Allioni. (Bull. 



Soc. roy. Bot. Belgique. XLVIII. p. 194—202.) 

 Verhulst, A. 1912. Quel est le vrai caractere biologique du Ra- 



phanus Raphanistrum L. et du Sinapis arvensis L.? (Bull. Soc. 



roy. Bot. Belgique. XLVIII. p. 248-256.) 

 Verhulst, A. 1912. Une Station artificielle de plantes halophiles 



dans la Basse-Sambre. (Bull. Soc. roy. Bot. Belgique. XLVIII. p. 



259—273.) 

 Watt, L. 1910. On some flowering plants exhibited. (Glasgow Nat. 

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