The Elements of Botany, Structural, Physiological, & Medical: Being a 6th Ed. of the Outline of the First Principles of Botany. With a Sketch of the Artificial Methods of Classification, and a Glossary of Technical Terms

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Bradbury & Evans, 1849 - Botany - 142 pages
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Page xi - Theory and Practice of Horticulture ; or, an Attempt to explain the principal Operations of Gardening upon Physiological Grounds: Being the Second Edition of the Theory of Horticulture, much enlarged ; with 98 Woodcuts.
Page 54 - The potato plant contains more potash before blossoming than after it. The acids found in the different families of plants are of various kinds ; it cannot be supposed that their presence and peculiarities are the result of accident. The fumaric and oxalic acids in the liverwort, the kinovic acid in the China nova, the rocellic acid in the Rocella tinctoria, the tartaric acid in grapes, and the numerous other organic acids, must serve some end in vegetable life. But if these acids constantly...
Page lxv - Placed on opposite sides of some other body or thing and on the same plane. Thus, when leaves are opposite, they are on opposite sides of the stem; when petals are opposite, they aro on opposite sides of the flower ; and so on.
Page lxxviii - Quincuncial; when the pieces are five in number, of which two are exterior, two interior, and the fifth covers the interior with one margin, and has its other margin covered by the exterior, as in EOSÜ 4.
Page 66 - And further, the flowers being abortive branches, whatever the laws are of the arrangement of branches with respect to each other, the same will be the laws of the arrangement of flowers with respect to each other.
Page 87 - A CARPEL is formed by a folded leaf, the upper surface of which is turned inwards, the lower outwards; and within which are developed one or a greater number of buds, which are the mules.
Page lxx - Ringent, or personate (ringens, personatus) ; a term applied to a monopetalous corolla, the limb of which is unequally divided ; the upper division, or lip, being arched ; the lower prominent, and pressed against it, so that when compressed, the whole resembles the mouth of a gaping animal ; us the corolla of Antirrhinum.
Page 54 - ... follows that the quantity of the bases united with them cannot vary, and for this reason the latter substances ought to be considered with the strictest attention both by the agriculturist and physiologist. We have no reason to believe that a plant in a condition of free and unimpeded growth produces more of its peculiar acids than it requires for its own existence ; hence, a plant, on whatever soil it grows, must contain an invariable quantity of alkaline bases.
Page 72 - If the floral envelopes are/ of such a nature that it is not obvious whether they consist of both calyx and corolla, or of calyx only, they receive the name of perianthium or 330.
Page 81 - The stamens follow the same laws of successive developement as leaves ; and, consequently, if their arrangement be normal, they will be either equal in number to the petals, and alternate with them, or, if more numerous, some regular multiple of the petals.

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