Histology of medicinal plants

by William James Mansfield

The papillæ of the stigma of the ray flowers of anthemis (Plate 117, Fig. 1) have thin, slightly striated walls; while the papillæ of the stigma of the disk flowers (Plate 117, Fig. 2) are longer, the walls are thicker, and the cell content is denser.

PLATE 115
Papillæ

1. Arnica ray flowers (Arnica montana, L.).
2. Insect flower disk (Chrysanthemum cinerariifolium [Trev.], Vis.).
3. True saffron (Crocus sativus, L.).

PLATE 116
Papillæ of Stigmas

1. Stigma papillæ of American saffron (Carthamus tinctorius, L.) from that part of the style that emerges from the corolla.
2. Papillæ from the upper part of the stigma of American saffron.
3. Papillæ of the stigma of the disk flowers of arnica (Arnica montana, L.).

PLATE 117
Papillæ of Stigmas

1. Stigma papillæ of the ligulate flowers of anthemis (Anthemis nobilis, L.).
2. Stigma papillæ of the tubular flowers of anthemis.
3. Stigma papillæ of the ligulate flowers of matricaria (Matricaria chamomilla, L.).
4. Stigma papillæ of the disk flowers of matricaria.
5. Stigma papillæ of the ligulate flowers of insect flower (Chrysanthemum cinerariifolium [Trev.], Vis.).