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Books Books 1 - 10 of 10 on When, therefore, in accordance with these theoretic views, the floral organs are....  
" When, therefore, in accordance with these theoretic views, the floral organs are termed modified or metamorphosed leaves, it is not to be supposed that a petal has ever actually been a green leaf, and has subsequently assumed a more delicate texture and... "
The Botanical Text-book: For Colleges, Schools, and Private Students - Page 216
by Asa Gray - 1845 - 509 pages
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The North American Review, Volume 61

Jared Sparks, Edward Everett, James Russell Lowell, Henry Cabot Lodge - North American review and miscellaneous journal - 1845
...of it. The leaf is the form which earliest appears, and is the most general of all the organs of the vegetable ; it is the form which is indispensable...one and the same organ developes, in the progressive evolutions of the plant, under any of these various forms. When the individual organ is once developed,...
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FLORA CESTRICA

1853
...the term metamorphosis is used, by the Botanists. " When, for instance, the floral organs are called modified or metamorphosed leaves, it is not to be...developes, in the progressive evolution of the plant, under each or any of these various forms. When the individual organ has once fairly begun to develope, its...
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THE BOTICAL TEXT -BOOK

ASA gray m.d - 1853
...leaves (terms which we have avoided almost entirely, as liable to convey an erroneous impression), it is not to be supposed that a petal has ever actually...developes, in the progressive evolution of the plant, under each or any of these various forms^ When the individual organ has once fairly begun to develope, its...
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Flora Cestrica: An Herborizing Companion for the Young Botanists of Chester ...

William Darlington - Botany - 1853 - 498 pages
...the Botanists. "When, for instance, the floral organs are called modified or melamorphoied leavet, it is not to be supposed that a petal has ever actually...developes, in the progressive evolution of the plant, under each or any of these various forms. When the individual organ has once fairly begun to developc, its...
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Flora Cestrica: An Herborizing Companion for the Young Botanists of Chester ...

William Darlington - Botany - 1858 - 498 pages
...Botanists. " When, for instance, the floral organs are called modified or metamorphoied leavei, it is not to be supposed that a petal has ever actually...developes, in the progressive evolution of the plant, under each or any of these various forms. When the individual organ has once fairly begun to develope, its...
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The Botanical Text-book: An Introduction to Scientific Botany, Both ...

Asa Gray - Botany - 1853 - 528 pages
...leaves (terms which we have avoided almost entirely, as liable to convey an erroneous impression), it is not to be supposed that a petal has ever actually...developes, in the progressive evolution of the plant, under each or any of these various forms. When the individual organ has once fairly begun to develope, its...
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Flora Cestrica: An Herborizing Companion for the Young Botanists of Chester ...

William Darlington - Botany - 1853 - 498 pages
...not to be supposed that a petal has ever actually been a green leaf, and has subsequently assumed n more delicate texture and hue, or that stamens and...existed in the state of foliage ; but only that what ia fundamentally one and the same organ developes, in the progressive evolution of the plant, under...
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Introduction to Structural and Systematic Botany, and Vegetable Physiology ...

Asa Gray - Botany - 1858 - 555 pages
...pattern, to jhich all the others are to be referred. "When, therefore, the floral organs are called modified or metamorphosed leaves, it is not to be...that what is fundamentally one and the same organ develops, in the progressive evolution of the plant, under each or any of these various forms. When...
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Introduction to Structural and Systematic Botany, and Vegetable Physiology ...

Asa Gray - Botany - 1862 - 555 pages
...to be referred. When, therefore, the floral organs are called modified or metamorphosed lem"es, it is not to be supposed that a petal has ever actually...that what is fundamentally one and the same organ develops, in the progressive evolution of the .plant, under each or any of these various forms. When...
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A Manual of Botany

Robert Brown - 1874
...sepals, and so on. It must not, however, be supposed that the petal, though called a metamorphosed leaf, has ever actually been a green leaf, "and has subsequently...that what is fundamentally one and the same organ develops in the progressive evolution of the plant under each or any of these various forms. When the...
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