. Practical botany. Botany. THE GKEEN ALGvE (CPILOROPHYCE^) 211 more delicate than the brown forms.^ There are often many branches, the smallest ones becoming quite thread-like, so that the entire plant looks to the beginning student like a sparsely branched stem Avith many finely divided leaves. In their asexual reproduction the red algse may form spores in groups of four (Fig. 175).. Fig. 174. A red alga (Dasya) 1 The best way for the teacher to give a general notion of brown and red algae is to secure card mounts or bottled material for class demonstrations of a few of the leading types in
. Practical botany. Botany. THE GKEEN ALGvE (CPILOROPHYCE^) 211 more delicate than the brown forms.^ There are often many branches, the smallest ones becoming quite thread-like, so that the entire plant looks to the beginning student like a sparsely branched stem Avith many finely divided leaves. In their asexual reproduction the red algse may form spores in groups of four (Fig. 175).. Fig. 174. A red alga (Dasya) 1 The best way for the teacher to give a general notion of brown and red algae is to secure card mounts or bottled material for class demonstrations of a few of the leading types in each group. These may be obtained from the Woods Hole Biological Laboratory, Woods Hole, Massachusetts, and from other reliable supply houses. Well-prepared card mounts preserve the natural colors, and may be kept indefinitely for laboratory Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bergen, Joseph Y. (Joseph Young), 1851-1917; Caldwell, Otis William, 1869- joint author. Boston, New York [etc. ] Ginn and company
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