Physiological Botany: An Abridgement of The Students' Guide to Structural, Morphological, and Physiological BotanyD. Appleton and Company, 1886 - 292 páginas |
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Página 119
... placenta ; and , second , of a stigma or space of variable size , com- posed of loose parenchymatous tissue without epidermis , which is either placed directly on the ovary , when it is said to be sessile , or it is elevated on a stalk ...
... placenta ; and , second , of a stigma or space of variable size , com- posed of loose parenchymatous tissue without epidermis , which is either placed directly on the ovary , when it is said to be sessile , or it is elevated on a stalk ...
Página 121
... placenta , to which the ovule or ovules are at- tached . This placenta is essentially double , the two halves being developed from the two contiguous margins of the blade of the carpellary leaf . The style has been considered by some ...
... placenta , to which the ovule or ovules are at- tached . This placenta is essentially double , the two halves being developed from the two contiguous margins of the blade of the carpellary leaf . The style has been considered by some ...
Página 122
... placenta and ovules , as will be explained hereafter . The Stigma . - The tissue of the stigma is analogous to that found in the interior of the style , and just de- scribed under the name of conducting tissue ; in fact , it seems to be ...
... placenta and ovules , as will be explained hereafter . The Stigma . - The tissue of the stigma is analogous to that found in the interior of the style , and just de- scribed under the name of conducting tissue ; in fact , it seems to be ...
Página 125
... placentas inward , or by corre- sponding growths from some other inner part of the walls of the ovaries . Some of these are horizontal , and are called phragmata . Here the ovary , after fertilization , is divided by a number of ...
... placentas inward , or by corre- sponding growths from some other inner part of the walls of the ovaries . Some of these are horizontal , and are called phragmata . Here the ovary , after fertilization , is divided by a number of ...
Página 126
... placentas . When a compound ovary presents but one cavity , instead of two or more , as in that just alluded to , such an ovary is formed either by the union of the contiguous margins of the flattened open ovaries of the carpels of ...
... placentas . When a compound ovary presents but one cavity , instead of two or more , as in that just alluded to , such an ovary is formed either by the union of the contiguous margins of the flattened open ovaries of the carpels of ...
Otras ediciones - Ver todas
The Student's Guide to Structural, Morphological and Physiological Botany Robert Bentley Sin vista previa disponible - 2016 |
The Student's Guide to Structural, Morphological and Physiological Botany Robert Bentley Sin vista previa disponible - 2016 |
Términos y frases comunes
absorption æstivation albumen anther antheridia antherozoids apex appearance archegonia arranged axil bark base becomes bracts branches buds called calyx carbon dioxide carpels cavity cell-wall cells Fig cellular chalaza chlorophyl coat color commonly compound consists contain corolla cotyledons cyme dehiscence described developed Dicotyledonous dissepiments elongated embryo embryo-sac epidermis external fertilization fibro-vascular bundles filaments fleshy floral flower-buds flowers fluid frequently fruit glands granules green grow growth hairs hence hilum inclosed indehiscent inflorescence inner kind layer leaf leaves less lobes matters medullary membrane micropyle Monocotyledonous nature nucleus occur organs outer ovary ovule oxygen parenchyma pericarp petals petiole pistil pith pitted placenta plants pollen pollen-cells portion primary axis produced protoplasm radicle reproductive roots seeds sepals species spiral vessels sporangium spores stalk stamens starch stem stigma stomata structure style substance surface sutures takes place termed terminal thalamus Thallophytes thickened tion tissue transverse usually valves vary walls whorls wood wood-cells
Pasajes populares
Página ii - Society, etc.; and JB HOLDER, MD, Curator of Zoology of American Museum of Natural History, Central Park, New York. 12mo, 385 pages. A COMPEND OF GEOLOGY. By JOSEPH LE CONTE, Professor of Geology and Natural History in the University of California; author of "Elements of Geology,
Página 223 - ... bundles ; or the increased size of the coming leaf-bud will snap them ; or if these causes are not in operation, a gust of wind, a heavy shower, or even the simple weight of the lamina, will be enough to disrupt the small connexions, and send the suicidal member to its grave. " Such is the history of the fall of the leaf.
Página vi - Descriptive Botany," by Eliza A. Youmans. Designed to give an elementary account of Structural and Physiological Botany, or of the inner and minute mechanism and activities of plants. It treats of what the parts of a plant are built up, and what functions they perform In its history as a living being.