236 Botanisches Centralblatt. 



Robinson, B. L. 1911. Revision of the genus Barroeta. (Proc. amer. 

 Ac. Sc. XLVIl. p. 202—206.) [Seven species, of which Barroeta 

 brevipes is described as new. — Trelease.] 

 Sanders, L. 1911. A striking colorform of Viola pedata. (Rhodora. 



XIII. p. 172. [Viola pedata rosea. — Trelease.J 

 Schlechter, R. 1911. Orchidaceae novae et criticae. Dec. XXIII — 



XXIV, (Rep. Spec. nov. IX. 27/31. p. 428—439.) 

 Schmeil, O. und J. Fitschen. 1911. Die verbreitetsten Pflanzen 

 Deutschlands. Einfache Tabellen zum Bestimmen unserer häutig- 

 sten wildwachsenden und angebauten Pflanzen. (Leipzig 1911. 12°. 

 105 pp. 354 Fig.) 

 Scowcroft, W. R. 1911. The preservation of flowers. (Rept. and 



Trans. North Stafi"ordshire Field Club. XLV. p. 112-115.) 

 Shimek, B. 1910. Prairie openings in the forest. (Proc. Iowa Ac. 



Sc. XVII. p. 16-20.) 

 Shreve, F. 1911. The Influence of Low Temperatures on the Distri- 

 button of the Giant Cactus. (Plant World. XIV. p. 136—146. with 

 3 figs.) [This paper based on experimental tests of various cacti, 

 especially Cereus giganteus, shows that the northern and altitu- 

 dinal distribution is limited by the greatest number of consecutive 

 hours of freezing. — J. W. Harshberger.] 

 Small, J. K. 1911. Exploration in southern Florida. (Journ. New 



York bot. Card. XII. p. 147—156. flg. 26—31.) 

 Smith, J. D. 1911. Undescribed plants from Guatemala and other 



Central American republics. (Bot. Gaz. LH. 1. p. 45—53.) 

 Standley, P. C. 1911. A revision of the cichoriaceous genera 

 Kriga, Cynthia and Cymbia. (Contrib. U. S. nation. Herb. XIII. 

 p. 351—357.) 

 Standley, P. C. 1911. The Albionaceae of Mexico and Central 

 America. (Contr. U. S. nation. Herb. XIII. p. 377—430. pl. 14—77.) 

 Standley, P. C. and E. A. Goldman. 1911. Two new shrubs 

 [Manihot chlorosticta and Mesosphaerum insulare] from Lower 

 California. (Contr. U. S. nation. Herb. XIII. p. 375.) 

 Steele, E. S. 1911. New or noteworthy plants from the eastern 



United States. (Contre U. S. nation. Herb. XIII. p. 359-374.) 

 Takeda, H. 1911. New forms of Mertensia from the far East. 



(Journ. of Bot. IL. 583. p. 222—223.) 

 Thays, C. 1910. El Jardin Botanico de Buenos Aires. (Buenos 



Aires 1910. 80. 180 pp. 2 plans et 22 ill.) 

 Teilung, A. 1910. La flore adventice de Montpellier. (Bull. Soc. 



languedocienne Geogr. XXIII. 1. p. 1—32.) 

 Thornber, J. J. 1911. Vegetation groups of the Desert Laboratory 



Domain. ^Publication CXIII, Carnegie Institution, p. 103—112.) 

 Toni, G. B. de 1910. Appunti dal Tomo terzo dell'Erbario Rauwolff 



conservato in Leida. (Atti Soc. Nat. Modena. 4". XII. p. 1—7.) 

 Tovey, J. R. 1911. Some notes on Coode Island and its flora. 



(Victorian Nat. XXVIII. 3. p. 57-61.) 

 Trabut, L. 1911. L'indigenat de la f^ve en Algerie. (Bull. Soc. 



Hist. nat. Afrique du Nord. III. 7. p. 116—122. ill.) 

 Türckheim, H. von 1911. Botanische Forschungsreise m Santo 

 Domingo in den Jahren 1909 und 1910. (Allg. bot. Zschr. XVII. 

 7/8. p. 101 — 106. Forts, folgt.) 

 Tutcher, W. J. 1911. Two new plants from Hongkong. (Journ. of 



Bot. IL. 584. p. 273—274.) . ^ ^ 



Vaccari, L. 1911. Catalogue raisonn^ des plantes vasculaires de la 

 Vallee d'Aoste. Vol. I. VIII, 632 pp. (Aoste, 1911.) 



