VEGETABLE a.
partly of vascular tissue, as in Ferns, Lycopods, and Equiseta, and Cellular Acrogens, or Bryophyta, having the sexual plant most conspicuous, but destitute of vascular tissue, as in Mosses and Scale Mosses. 2. Thallogens. -- Plants without distinct stem and leaves, consisting of a simple or branched mass of cellular…