The American botanist and florist; including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union . e pro-cess. How at other seasons. 190. Prerequisites to germination. Depth of change in the material of the seed ? State of the embryo in 225 ?—In 226 ?—In 191. What becomes of the radicle?—Of the cotyledons ? How does rhe plumuledevelop? Show by the figures. In what plants do the cotyledons remain stationary?193. Show how th


The American botanist and florist; including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union . e pro-cess. How at other seasons. 190. Prerequisites to germination. Depth of change in the material of the seed ? State of the embryo in 225 ?—In 226 ?—In 191. What becomes of the radicle?—Of the cotyledons ? How does rhe plumuledevelop? Show by the figures. In what plants do the cotyledons remain stationary?193. Show how the Monocotyledons germinate, by figs. 231, 232. 195. Three conditionsrequisite. Why is moisture needed? Why air? Whence comes the sugar? 195. Whatdegrees of warmth ? Some strange exceptions. 196. Why the root grows downward. 5 66 STRUCTURAL BOTANY, CHAPTER XIY. THE ROOT. OR DESCEISTDIXG AXIS. 197. The Root is the basis of the plant, and the principalorgan of nutrition. It originates with the radicle of the seed,the tendency of its growth is downward, and it is generally im-mersed in the soil. Its office is twofold; viz., to support theplant in its position, and to imbibe from the soil the food neces-sary to the growth of the


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1870