Bibliography 493 



Linnemann, G. 1953. Untersuchungen liber den Markstrahlanteil am Holz der 



Buche. Ber. Deutsch. Bot. Ges. 66:37-63. 

 Linser, H., W. Frohner, and R. Kirschner. 1955. Veranderungen von Blatt- 



morphologie und Blattfolge bei Erodium cicutarium unter dem Einfluss 



von Phenoxyessigsaurederivativen. Ber. Deutsch. Bot. Ges. 68:46-51. 

 Liverman, J. L. 1955. Tbe phvsiologv of flowering. Ann. Bev. Plant Physiol. 



6:177-210. 

 Livingston, B. E. 1900. On the nature of the stimulus which causes the change 



of form in polymorphic green algae. Bot. Gaz. 30:289-317. 

 Loeb, J. 1920. Quantitative laws in regeneration. I. Jour. Gen. Physiol. 



2:297-307. 

 . 1924. Begeneration from a physicochemical viewpoint. McGraw-Hill, 



New York. 143 pp. 

 Lohwag, K. 1939. Verwachsungsversuche an Fruchtkorpern von Polyporaceen. 



Ann. Mycologici 37:169-180. 

 Loiseau, J.-E. 1954. Suppression experimental d'une helice foliaire chez 



Impatiens Boylei Walp. Compt. Bend. Acad. Sci. Paris 238:149-151. 

 Loomis, W. E. 1932. Growth-differentiation balance vs carbohydrate-nitrogen 



ratio. Proc. Amer. Soc. Hort. Sci. 29:240-245. 



(ed.). 1953. Growth and differentiation in plants. Iowa State College 



Press, Ames, Iowa. 458 pp. 



Lopriore, G. 1892. Uber die Regeneration gespaltener Wurzeln. Ber. Deutsch. 

 Bot. Ges. 10:76-83. 



. 1895. Vorlaufige Mittheilung liber die Regeneration gespaltener Stamm- 



spitzen. Ber. Deutsch. Bot. Ges. 13:410-414. 



Lorbeer, G. 1930. Geschlechtsunterschiede im Chromosomensatz und in der 

 Zellgrosse bei Sphaerocarpos Donnellii Aust. Zeitschr. Bot. 23:932-956. 



Love, A., and Doris Love. 1946. Experiments on the effects of animal sex hor- 

 mones on dioecious plants. Arkiv for Botanik 32A, 13:1-60. 



ant ] . 1949. The geobotanical significance of polyploidy. I. Poly- 

 ploidy and latitude. Portugaliae Acta Biologica, Ser. A, Goldschmidt 

 Vol., pp. 273-352. 



Love, H. H., and C. E. Leighty. 1914. Variation and correlation of oats. I. 



Studies showing the effect of seasonal changes on biometrical constants. 



Cornell Agr. Exp. Sta. Mem. 3. 70 pp. 

 Luckwill, L. C. 1939. On the factors affecting the mean seed weight of tomato 



fruits. New Phytol. 38:181-189. 

 . 1957. Hormonal aspects of fruit development in higher plants. Soc. 



Exper. Biol. Symposium XL63-85. 

 Lund, E. J. 1923. Electrical control of organic polarity in the egg of Fucus. 



Bot. Gaz. 76:288-301. 

 . 1931. Electrical correlation between living cells in cortex and wood in 



the Douglas fir. Plant Physiol. 6:631-652. 

 , R. I. Mahan, and A. H. Hanszen. 1945. Electric control of polar growth 



in roots of Allium cepa. Proc. Soc. Exper. Biol, and Med. 60:326-327. 



Also pp. 186-197 in Lund's general volume (1947). 



(and collaborators). 1947. Bioelectric fields and growth. University of 



Texas Press, Austin. 391 pp. 



Lund, H. A. 1956. Growth hormones in the styles and ovaries of tobacco re- 

 sponsible for fruit development. Amer. Jour. Bot. 43:562-568. 



Lundegardh, H. 1915. Experimentell-morphologische Beobachtungen. Flora 

 107:433-449. 



