THE NEW STUDENT'S REFERENCE WORK
(3) Anthrocerotales: from which the mosses came 1270; and perhaps ferns and seed-plants 78. b. The Musch 1282; known as mosses, about 3000 species 1270.
(1) the sphagnum mosses; bog-mosses which form peat 1797;
1436.
(2) True mosses: 1270.
3. THE PTERIDOPHYTES: 1558.
a. The Lycopodiales: called club-nioses or ground-pines 1125.
(1) Lycopodium: coarse forms 1125.
(2) Selagineila: the "little club-mosses" 1125.
b. The Equisetales: known as horse-tails or scouring rushes 622.
c. The Fi!Scales: known as the ferns, with about 4000 species 661.
(a) Tall swamp-ferns.
(b) Coarse ferns of swamps and
woods.
(c) Small and medium sized ferns.
(d) Delicate rock and wood ferns.
(e) The brake fern — growing to
seven feet.
(f) Maiden-hair fern—most highly re-
garded fern. [ (g) The evergreen wood-fern.
4. THE SPERMATOPHYTES: reproducing themselves by means of seeds 1797.
(1) The Gnetums: growing in deserts
and the tropics.
(2) The Ginkgo or maiden-hair tree
767. (2) The Cycads: probably came from
the ferns 492. (4) The Conifers: the greatest group
of living gymnosperms 443;
containing pines 1491;
spruces (fir) 675; hemlocks
860; redwoods (sequoia) 1724;
cedars 354; cypresses 492;
junipers 982; yews 2126.
b. Angiosperms: seeds exposed — the most recent group of plants 73.
' (a) Grasses: 795.
(b) Lilies: 1070.
(c) Orchids: 1390.
(1) The groups of ferns:
656:
a. The Gymnosperms:
plants 818.
naked seed-
(1) The Monocotyledons: 1292.
(2) The Dicotyledons:
100,000 species 530.
(d) Palms: 1412.
(e) Epiphytes: air-plants 622; like
Spanish moss, orchids 1390.
(a) First series: morning glories
1263; phloxes 1472; gentians 744; mints 1237; verbenas 2010; composites 435; which include asters 126; thistle 1904; goldenrod 778,; sunflowers 1849; chrysanthemum 396; daisy 496; sage 1653; dandelion 500.
(b) Second series: buttercups 296;
mustards 1292; cabbage, cauliflower, rutabaga and turnip 1292; roses 1633; common forest trees — as oak 1367; hickory 872; walnut 2038; birch 192; elm 609; poplar 1528.
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