270 BIBLIOGRAPHY 



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Reel and green leaves of different plants of Sempervivum 



were tested, and red leaves found to contain more starch 



than green. Contrary to Overtoil's results (see No. 333). 



33t>. Schenkling-Prevot, 'Die herbstliche Farbung des 



Laubes,' Die Natur, Halle a. S., 1899, XLVIII, pp. 584-585. 



Slight note on autumnal coloration and its causes. 



337. 1900. Daniel, L., 'L'Jneision annulaire du Chou,' Bui. soc. 



sci. mid., Rennes, 1900, ix, pp. 135-140. 



In Brassica, anthoeyanin is formed in leaves after 

 decortication of the stem. p. 82 



338. *Timpe, H., Beitrdge zur Kenntnis der Panachierung, 

 Inaugural-Dissertation, Gottingen, 1900. 



Author shows that red-brown (aiithocyanin) zone in 

 leaf of Pelargonium zonale is increased by culture of the 

 leaf in sugar solution. 



339. 1901. Beulaygue, L., 'Influence de I'obscurite sur le deve- 



loppemeiit des fleurs,' C. R. Acad. sci., Paris, 1901, cxxxu. 

 pp. 720-722. 



Experiments on development of anthocyanin in flowers 

 in the dark. In some cases slightly less colour, in others 

 considerably less: in yet other cases, no colour produced 

 at all. p. 88 



340. Genau, K., 'Physiologisches iiber die Entwicklung von 

 Sauromatum guttatum, Schott,' Oest. Bot. Zeitschr., Wien, 

 1901, LI, pp. 321-325. 



Anthocyanin develops in spathe and leaves of Sauro- 

 matum even when kept in the dark. 



341. Linsbauer, L., 'Einige Bemerkungen iiber Anthokyan- 

 bildung,' Oest. Bot. Zeitschr., Wien, 1901, LI, pp. 1-10. 



Discussion of influence of outside factors on antho- 

 cyanin formation. p. 82 



342. *Liidi, R., 'Beitrage zur Kenntniss der Chytridiaceen,' 

 Hedwigia, Dresden, 1901, XL, pp. 1-44. 



Appearance of anthocyanin as a result of infection. p. 83 



343. * Warming. E., und Johannsen, W., Den almindelige 

 Botanik, Fjerde Udgave, Kj0benhavn, 1901, p. 601. 



No colour formed in blue Lilacs when cultivated above 

 optimum temperature for anthocyanin formation. 



344. 1 902. *Daniel, L., La theorie des capacites fonctionnelles et yes 



consequences en agriculture, Rennes, 1902. 



Views a to the effect of water supply on anthocyanin 

 formation. 



345. *Rostrup, E., Planlepatologi, Kj0benhavn, 1902. 

 Formation of anthocyanin under pathological con- 

 ditions, p. 83 



