. Beginners' botany. Botany. Fig. 254. —Christmas Fern. — Dryopteris acrostichoides; known also as Aspidium. Prominent among the spore- propagated plants are ferns. The common Christmas fern (so called because it remains green during winter) is shown in Fig. 254. The plant has no trunk. The leaves spring directly from the ground. The leaves of ferns are called fronds. They vary in shape, as other leaves do. Some of the fronds in Fig. 254 are seen to be narrower at the top. If these are examined more closely (Fig. 255), 176. Fig. 255. — Fruiting FtoND OF Christmas Fern. Sori at a. One sorus wit
. Beginners' botany. Botany. Fig. 254. —Christmas Fern. — Dryopteris acrostichoides; known also as Aspidium. Prominent among the spore- propagated plants are ferns. The common Christmas fern (so called because it remains green during winter) is shown in Fig. 254. The plant has no trunk. The leaves spring directly from the ground. The leaves of ferns are called fronds. They vary in shape, as other leaves do. Some of the fronds in Fig. 254 are seen to be narrower at the top. If these are examined more closely (Fig. 255), 176. Fig. 255. — Fruiting FtoND OF Christmas Fern. Sori at a. One sorus with its in- dusium at 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 Bailey, L. H. (Liberty Hyde), 1858-1954. New York, The Macmillan company
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Keywords: ., bookauthorbai, bookcentury1900, bookdecade1900, booksubjectbotany
