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. An encyclopædia of agriculture [electronic resource] : comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and the cultivation and economy of the animal and vegetable productions of agriculture, including all the latest improvements, a general history of agriculture in all countries, and a statistical view of its present state, with suggestions for its future progress in the British Isles. Agriculture. Book I. EXTERNAL STRUCTURE OF PLANTS. 211. 1313. Gems or bulbs are organised substances issuing from the surface of the p
. An encyclopædia of agriculture [electronic resource] : comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and the cultivation and economy of the animal and vegetable productions of agriculture, including all the latest improvements, a general history of agriculture in all countries, and a statistical view of its present state, with suggestions for its future progress in the British Isles. Agriculture. Book I. EXTERNAL STRUCTURE OF PLANTS. 211. 1313. Gems or bulbs are organised substances issuing from the surface of the plant, and containing the rudiments of new and additional parts which they protrude ; or the rudiments of new individuals, which they constitute by detaching themselves ultimately from the parent plant, and fixing themselves in the soil. 1311 Glands are small and minute substances of various forms, found chiefly on the surface of the leaf and petiole, but often also on the other parts of the plant, and supposed to be the organs of secretion. 1315. The tendril is a thread-shaped and generally spiral process issuing from the stem, branch, or petiole, and sometimes even from the expansion of the leaf itself, being an organ by which plants of weak and climbing stems attach themselves to other plants or other substances for support; for which purpose it seems to be well fitted by nature, the tendril being much stronger than a branch of the same size. 1316. Tlie arc small foliaceous appendages accompanying the real leaves, and assuming the appearance of leaves in miniature. 1J17. Ramenta are thin, oblong, and strap-shaped appendages, of a brownish colour, issuing from the sur- face of the plant, and somewhat resembling the stipula-, but not necessarily accompanying the leaves. 1318. The armature consists of such accessory and auxiliary parts as seem to have been intended by nature to defend the plant against the attacks of animals. 1319. The pubescence is a general term, inc
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Keywords: ., bookcentury1800, bookpublisherlondonprin, booksubjectagriculture