. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. V. MOSSES (MUSCI): SPHAGNALES—ANDRE^ALES 167 is the rule numerous exceptions to it occur. In sterile plants the branches are of two kinds, long flagellate branches which hang down almost vertically and are applied to the stem, and much shorter ones that are crowded together at the apex and have only a limited growth. The leaves are inserted on the. Fig. Zj.—Sphagnum Up); A, B, Young protonemata, X262; C, an older protonema with a leafy bud (A), Xabout 40; r, marginal rhizoids. stem by a broad

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. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. V. MOSSES (MUSCI): SPHAGNALES—ANDRE^ALES 167 is the rule numerous exceptions to it occur. In sterile plants the branches are of two kinds, long flagellate branches which hang down almost vertically and are applied to the stem, and much shorter ones that are crowded together at the apex and have only a limited growth. The leaves are inserted on the. Fig. Zj.—Sphagnum Up); A, B, Young protonemata, X262; C, an older protonema with a leafy bud (A), Xabout 40; r, marginal rhizoids. stem by a broad base, and taper to a more or less well-marked point. According to Schimper, the divergence of the leaves of the main axis is always two-fifths, but on the smaller branches variations from this sometimes occur. The leaves. 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 Campbell, Douglas Houghton, 1859-1953. New York, The Macmillan Company;

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Keywords: ., bookauthorcampbelldouglashought, bookcentury1900, bookdecade1910