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Lewis, F. J., 1905. Plant remains in the Scottish pcat mosses. Pt. I. The Scottish 



I Southern Uplands. Trans. Roy. Soc. Edin., XLI. 

 1912. On induced variations in the osmotic pressure and sodium chlorid. New 

 Phytol., XI. 

 and Moss, C. E., 1911. The Upland Moors of the Pennin Chain, in Tansleys 

 Types of Brit. Vegetation, S. 266. 

 dforss, B., 1903. Über den Geotropismus einiger Früh Jahrspflanzen. Pringsh. 

 Jahrb., XXXVIII. 

 1906. Die wintergrüne Flora. Lunds Univ. Arsskr., N. F., Afd. 2, II. 



— 1908. Weitere Beiträge zur Kenntnis der Psykroklinie. Lands Univ. Arsskr., 

 N. F., IV, 2. 



— 1909. Über den biologischen Effekt des Anthokyans. 

 Lindau, G., 1895. Flechtenstudien I. Dresden. 

 Lindman, CA. M., 1883. Om drivfed och andra af hafsströmmar uppkastade natur- 



föremäl vid Norges kuster. Göteborg. 



— 1899. Zur Morphologie und Biologie einiger Blätter und belaubter Sprosse. Sv. 



IVet-Akad. Handl. Bihang, XXV. 

 1900. Vegetationen i Rio grande do Sul, Sydbrasilien. Stockholm. 

 1913. Some cases of plants suppressed by other plants. New Phytol, XII. 

 1914. Nägra bidrag tili frägan: Buske eller Träd. K. Vetenskaps Akad. Arsbok, XII. 

 liivingston, B. E., 1901. The distribution of the plant societies of Kent County, 

 Mich. Ann. Rep. Mich. St. Bd. Geol. Surv. 



— 1903. The distribution of the upland plant societies of Kent County, Mich. Botan. 



Gazette, XXXV. 



— 1904. Physiological properties of bog water. Ehendort, XXXIX. 



— 1905. The relation of soils to natural Vegetation in Roscommon and Crawford 



Counties, Michigan. Ehendort. 



— 1906. The relation of desert plants to soll moisture and to evaporation. Carnegie 



Inst. Washington, L. 



— 1907. Evaporation and plant development. Plant World, X, 269 ff. 



— 1910 a. A rain-correcting atmoraeter, for ecological Instrumentation. Plant World, 



1^^ XIII, 79 ff. 

 ^^ 1910 b. Operation of the porous cupatmometer. Plant World, XIII, 111. 

 ' — 1910 c. Relation of soll moisture to desert Vegetation. Botan. Gazette, L. 

 ^— 1912. A schematic representation of the water relations of plants, a pedagogical 

 ^m Suggestion. The plant World, XV, 244. 



^H 1913. Temperatur coefficients in plant geography and climatology. Bot. Gazette, 

 ^B LVI. Vergl. Journ. Ecol., II, 179. 



^B and Jensen, G. H., 1904. An experiment of the relation of soil physics to plant 

 ^m growth. Botan. Gazette, XXXVIII. 



— siehe Trelease, 1916. 

 Ljungquist, J. E., 1914. Mästermyr. Dissertation. Karlstad. Siehe Bot. Centralbl., 



CXXVI, 602. 

 Ljungström, E., 1883. Bladets byggnad inom familjen Ericineae. Lunds Univ. 



Arsskr., XIX. 

 Lloyd, F. E., 1908. The Physiology of Stomata. Carnegie Institution of Washington. 



Publicat. No. 82. 

 Loeske, L., 1900. Die Moosvereine im Gebiete der Flora von Berlin. Abband. Bot. 



Ver. Prov. Brandenburg, XLII. 

 Loew, E., 1893. Anfänge epiphytischer Lebensweise bei Gefäßpflanzen Norddeutsoh- 



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Warming-Graebner. 3. Auflage W 



