Ancient Plants / Being a Simple Account of the past Vegetation of the Earth and of the Recent Important Discoveries Made in This Realm of Nature

by Marie Carmichael Stopes

Ground Tissue

Fig. 24

Parenchyma.—Simple soft cells, either closely packed, as in [fig. 24], or with air spaces between them. Compare [78, B], for fossil.

Fig. 25

Palisade.—Elongated, closely packed cells, p, chiefly in leaves, lying below the epidermis, e, [fig. 25]. Compare [fig. 34], p, for fossil palisade.

Fig. 26

Endodermis.—Cells with specially thickened walls, en, lying as sheath between the parenchyma, c, of ground tissue, and the vascular tissue, s, [fig. 26]. Compare [fig. 108] for fossil endodermis.