216 
POPULAR FLORA. 
common genera, each with several species: the parts are too small and difficult for the 
young student. 
Pod 1-celled and 3-seeded. Leaves flat and hairy, ( Luzula ) Wood-Rush. 
Pod 3-celled, many-seeded. Leaves generally thread-shaped, or none at all, ( Juncus) Rush. 
104. SEDGE FAMILY. Order CYPERACEiE. 
A large family of Rush-like or Grass-like plants, including the Sedges, Clubrushes, 
Bulrushes, and the like, which have no perianth, but the flowers, collected in heads or 
spikes, are each in the axil of a single glume in the form of a chaff or scale. These plants 
are much too difficult for the young beginner. 
105. GRASS FAMILY. Order GRAMINEiE. 
The true Grasses make a large and most important family of plants, with straw stems 
(called culms , 91) ; leaves with open sheaths; and flowers with 2-ranked glumes or chaffy 
scales, a pair to each flower, and another pair to each spikelet. It includes not only the 
very numerous kinds of true Grasses, but also of Corn, i. e. the Cereal grains, of which 
Wheat, Barley, Rye, Oats, Rice, and Maize or Indian-Corn are the principal; 
also Sugar-Cane, Broom-Corn or Guinea-Corn, and Millet. 
series II. 
flowerless or cryptogamous plants. 
Plants destitute of flowers, and propagated by spores instead of seeds. See 
Part I., Paragr. 165, 308, 312-314. 
CLASS III.— ACROGENS. 
This class includes the Ferns, the Horsetails, and the Club-Mosses. 
CLASS IY. —ANOPHYTES. 
This class includes the Mosses and the Liverworts. 
CLASS Y. — THALLOPHYTES. 
Includes the Lichens, the Alg.e or Seaweeds, and the Fungi or Mushrooms. 
