. Plants and their uses; an introduction to botany. Botany; Botany, Economic. THE TRUE MOSSES 51'J. I. 341, II.—Umbrclla-livfrwort. Archigonio- phores (J) bearing ripe " fruit" (sporophytes), the spore-eases of whieh are seen projeeting beyond the curtains which protected them while young. Two of the spore-cases have burst showing the projecting elaters. (At- kinson.) extending into the capsule is a column of somewhat elongated cells, which is called the columella i (Fig. 345, c, c). Breathing-pores at the surface permit aeration of the inner cells. Hepaticte are plants producing arc
. Plants and their uses; an introduction to botany. Botany; Botany, Economic. THE TRUE MOSSES 51'J. I. 341, II.—Umbrclla-livfrwort. Archigonio- phores (J) bearing ripe " fruit" (sporophytes), the spore-eases of whieh are seen projeeting beyond the curtains which protected them while young. Two of the spore-cases have burst showing the projecting elaters. (At- kinson.) extending into the capsule is a column of somewhat elongated cells, which is called the columella i (Fig. 345, c, c). Breathing-pores at the surface permit aeration of the inner cells. Hepaticte are plants producing archegonia upon a mostly prostrate and thalline gametophyte which may he variously lobed or branched and often resembles a flattened leafy moss, bid which generally has well-contrasted upper and lower surfaces; and there is a sporangium generally dehiscing longitudinally and discharging its spores by means of intermingled thread-like elaters. There arc about 3,000 species. 190. The true mosses (Class Musci). The name "moss" is popularly given to any small, matted plant of soft texture ' Col-u-mel'la < L. diminutive of columna, a 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 Sargent, Frederick Leroy, 1863-. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
