ABSTRACT
Fig. 2.13 The common view (left) and the fluorescence spectra (right) of secretory cells of Calendula officinalis. Unbroken line - secretory glandular cell of different structure; broken line - non-secretory cell. The separated scale was given for chlorophyll fluorescence at 680 nm. 1-capitate trichome; 2-non-capitate trichome.
