BIBLIOGRAPHY 231 



DISTRIBUTION OF ANTHOCYANINS 



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.21. 1675. Malpighi, M., Anatome Plantarum, London, 1675. 

 First account of the histology of coloured petals. 



22. 1827. Guibourt et Robiuet. 'Rapport sur la coloration des 



feuilles a diverses epoques de la vegetation,' Journal de 

 Pharmacie, Paris. 1827, xm, pp. 26-27. 



A short note on winter coloration of leaves. It is 

 suggested that there is a correlation between the colour 

 of autumn leaves and the colour of ripe fruits in the same 

 plant. 



23. 1830. Meyen, F. J. F., Phytotomie, Berlin, 1830, pp. 141-143. 



One of the first accounts of the histological distribution 

 of anthocyanin. The red, purple and blue colours of stems, 

 leaves, hairs and petals are stated to be due to coloured 

 cell-sap, and some cases of localisation of pigment are 

 mentioned. 



24. 1 854. Chevreul, 'Note sur la couleur d'un assez grand nombre 



de fleurs,' C. R. Acad. sci., Paris, 1854, xxxix. pp. 213-214. 

 Remarks on composite colour in flowers and leaves. 



25. 1857. Chevreul, 'Explication de la zone brune des feuilles du 



Geranium zonale,' C. R. Acad. sci., Paris, 1857, XLV, pp. 

 397-398. 



Statement that brown colour in the leaf zone is due to 

 the mixture of the complementary colours of green and red 

 (anthocyanin) pigments. The two pigments can be 

 extracted separately and also detected microscopically. 

 The phenomenon can also be reproduced by an artificial 

 blending of the same colours. 



26. 1858. *Morren, E., Dissertation sur les feuilles vertes et 



colorees, envisagees specialement au point de vue des rapports 

 de la chlorophylls et de Verylhrophylle, Gand, 1858. 



Distribution of anthocyanin in variegated leaves. p. 35 



27. 1860. Irmisch, Th., 'Ueber einige Crassulaceen,' Bot. Ztcj., 



Leipzig, 1860, xvm, pp. 85-90 (p. 87). 



Violet and blue pigments in root tips of species of 

 Sedum, Umbilicus, Sempervivum and Saxifraga. p. 27 



28. 1861. Chatin, Ad., 'Sur la structure anatomique des petales 



comparee a celle des feuilles ; une consequence physio 

 logique des fails observes,' Bull. soc. bot., Paris, 1861, 

 vm, pp. 22-23. 



Pigment of flowers usually present in epidermal cells 

 which are prolonged into papillae. In thicker petals 

 pigment more deep-seated. p. 39 



