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26 UMPBATACAL VE SSELSE: Secr. INT. 1; 2
with nutriment from the cotyledons, and alfo the placental artery, which was fpread on the exterior membrane of the cotyledons for the purpofe of oxygenation. Thefe veflels now either coalefce and decay beneath the foil, or wither and fall off, when raifed above it in the form of feed-leaves,
IT. 1. The feeds of plants are thus a fexual or amatorial progeny, produced principally by the male part of the flower, and received into a proper nidus, and fupplied with nutriment by the female part
‘ofit, and which can thus claim both a father and a mother. But the
buds of vegetables are a linear pogeny, produced and nourifhed by à father alone, to whom they adhere, not faling off like the feeds, as is farther treated of in Zoonomia, Vol. I, Se&. XXXIX. IL. 2. andin Set VIT I. 3. of this work. For in this moft fimple kind of ve- getable reprodu&tion, by the buds of trees, and by the bulbs of fome plants, and by the wires of others, which are their VIVIPATOUS pro= geny, the caudex of the leaf is the parent of the bud or bulb, or Wire, which rifes in its bofom, according to the obfervation of Linneus. This linear or paternal progeny of vegetables in buds or bulbs, or wires, 15 attended with a very curious circumftance, which is that they exaëtly refemble their parents, when they are arrived at their maturity, as fhewn in Se@. VII r. 3. as is obferved in grafting fruit-trees, and in propagating flower-roots, or ftrawberries, or po- tatoes, by their wires or roots; whereas the feminal Offspring of plants, as it derives its form in part from the mother as well as fa- ther, is liable to perpetual variation, both which events are employed fo great advantage by fkilful cardeners.| 2. Às the embryons in the buds are the viviparous ofispring of ve- getables, it becomes neceflary, as they have no mouths, that they fhould be furnifhed like the embryons in the feeds with umbilical veflels to fupply them with nourifhment, till they acquire roots with another fet of abforbent veffels to imbibe moifture from the earth, and
iaves to aët like lungs for the purpofe of oxygenating their blood. Lhète
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