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 2
... similar cells , whatever the precise form may be , which presents no differentiation of leaf , stem , and root , is called a thal- lus or thallome , and every thallus - pro- ducing plant is therefore termed a Thallophyte or Thallogen ...
... similar cells , whatever the precise form may be , which presents no differentiation of leaf , stem , and root , is called a thal- lus or thallome , and every thallus - pro- ducing plant is therefore termed a Thallophyte or Thallogen ...
Página 25
... similar na- ture . At these ends it forms a kind of network , sculpt- ured in relief as it were on the wall ( Fig . 51 , 9 ) . Some have also sieve - like openings through their side - walls ( Fig . 51 , si ) . These vessels are very ...
... similar na- ture . At these ends it forms a kind of network , sculpt- ured in relief as it were on the wall ( Fig . 51 , 9 ) . Some have also sieve - like openings through their side - walls ( Fig . 51 , si ) . These vessels are very ...
Página 41
... similar parts in both sections . a , a . Pith . d . Spiral vessels . b , b , b . Pitted vessels . c , c , c . Wood - cells . e . Cambium layer . f . Inner layer of bark or liber ( phloëm ) . g . Middle layer of bark . h . Outer layer of ...
... similar parts in both sections . a , a . Pith . d . Spiral vessels . b , b , b . Pitted vessels . c , c , c . Wood - cells . e . Cambium layer . f . Inner layer of bark or liber ( phloëm ) . g . Middle layer of bark . h . Outer layer of ...
Página 53
... similar bud ( Fig . 98 ) . In a Dicotyled- onous plant each bud , whether lateral or terminal , is produced by an elonga- tion of the parenchymatous system of the stem or one of its divisions , and consists at first of a minute conical ...
... similar bud ( Fig . 98 ) . In a Dicotyled- onous plant each bud , whether lateral or terminal , is produced by an elonga- tion of the parenchymatous system of the stem or one of its divisions , and consists at first of a minute conical ...
Página 55
... similar parts or buds , which have been called phytons , and which are developed in succession , one upon the summit of the other . Hence , by the development of a terminal 56 BUDS DISTINCT INDIVIDUALS . bud the stem or branch.
... similar parts or buds , which have been called phytons , and which are developed in succession , one upon the summit of the other . Hence , by the development of a terminal 56 BUDS DISTINCT INDIVIDUALS . bud the stem or branch.
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.