. Botany for academies and colleges: consisting of plant development and structure from seaweed to clematis. Botany; 1889. 38 ACADEMIC BOTANY. years to produce spores each year by pure partheno- genesis alone. 67. A fern [Cibotium Ba- rometz) found in abundance west of the Volga is be- lieved to be the Scythian Lamb {Agnus Scythicus) of antiquity, which was, and still is, held in great rever- ence by the people, being re- garded as half plant, half animal. Its root-stock, which is thick and fleshy, resem- FiG. 36—Vert. sec. of protliallua of liiiirjchmm Ijles a lamb not only in flieece roThilr
. Botany for academies and colleges: consisting of plant development and structure from seaweed to clematis. Botany; 1889. 38 ACADEMIC BOTANY. years to produce spores each year by pure partheno- genesis alone. 67. A fern [Cibotium Ba- rometz) found in abundance west of the Volga is be- lieved to be the Scythian Lamb {Agnus Scythicus) of antiquity, which was, and still is, held in great rever- ence by the people, being re- garded as half plant, half animal. Its root-stock, which is thick and fleshy, resem- FiG. 36—Vert. sec. of protliallua of liiiirjchmm Ijles a lamb not only in flieece roThilrs.'"' ™''°Sonium; an, antheridium; w, ^^^ ^^^^^ ^^^ j^ jj^g ^^-^^^ ^f its flesh and its blood-like juice. The fleece [villus) consists of fine long, velvety, gold-colored hairs, thought to be the Byssus of the ancients, out of which they manufactured famed stuifs sold at fabulous prices. C. glaucum, C. Chamissoi, C. Menziesii, of the Sandwich Islands, furnish from their root-stocka the fleece called Pulu, used for stuffing LESSON VIII. ACKOGENS :S'INISHED. 68. Horsetails. 69. Marsileas. 70. Olub-Mosses. 71. Eesurrection- Eose. 72. Acrogenous Growth. 68. The Horsetails (Fig. 37) are low plants (in the tropics sometimes tall) with straight stems and whorled branches, the branches resembling Pine leaves. The spore-cases are borne on scales, collected into cone-like shapes, still further increasing the resemblance to Pines. They love temperate regions. They have little economic value; their stems, which contain silica, are used for polishing wood and metals; they are thence called Scouring 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 Ketchum, Annie Chambers, 1824-1904. Philadelphia, J. B. Lippincott company
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