. Textbook of botany. Botany. Fig. 6i. — A club-moss [Lycopo- diinn) that bears but one kind of spores. 1, H. portion of the plant showing the branching stem, leaves, and roots, the spore-bearing leaves being arranged in cone-like struc- tures at the ends of upright branches. 2, a spore-bearing leaf, with a spore sac at its base, j and 4, spores. After Fig. 62. — .\ club-moss {Selaginella) that bears spores of two different sizes; a, special branches which bear roots at their ends; b, foliage leaves; c, spore-bearing leaves. likeness to mosses is only apparent. Some of the club-moss
. Textbook of botany. Botany. Fig. 6i. — A club-moss [Lycopo- diinn) that bears but one kind of spores. 1, H. portion of the plant showing the branching stem, leaves, and roots, the spore-bearing leaves being arranged in cone-like struc- tures at the ends of upright branches. 2, a spore-bearing leaf, with a spore sac at its base, j and 4, spores. After Fig. 62. — .\ club-moss {Selaginella) that bears spores of two different sizes; a, special branches which bear roots at their ends; b, foliage leaves; c, spore-bearing leaves. likeness to mosses is only apparent. Some of the club-mosses (Fig. 61) bear one kind of spore, like the true ferns; others (Fig. 62) have two kinds of spores, like the water ferns, and their sexual generation consists of male and female plants that are very different in size. The spore sacs are borne singly either on ordinary leaves, or on special leaves which. 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 Allen, Charles E. (Charles Elmer), b. 1872; Gilbert, Edward Martinius, joint author. Boston, New York [etc. ] D. C. Heath & co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1917
