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
... mycelium ( hyphal tissue ) below , from which two stalks are seen to arise , each of which is terminated by a sac ( sporangium or ascus ) , from which a number of minute bodies ( spores ) are escaping . FIG . 4. - An- other Mold ...
... mycelium ( hyphal tissue ) below , from which two stalks are seen to arise , each of which is terminated by a sac ( sporangium or ascus ) , from which a number of minute bodies ( spores ) are escaping . FIG . 4. - An- other Mold ...
Página 186
... mycelium . But Cystopus can also produce zoospores by means of a sexual process , which takes place in the interior of its host . ( ii ) Hypodermiæ . - Puccinia graminis , which we will take as the type of this group , is remarkable not ...
... mycelium . But Cystopus can also produce zoospores by means of a sexual process , which takes place in the interior of its host . ( ii ) Hypodermiæ . - Puccinia graminis , which we will take as the type of this group , is remarkable not ...
Página 187
... mycelium ( Fig . 227 , my ) , which is vegetating un- derneath the surface of the ground , or other substance upon which the fungus may be growing . The re- ceptacle , in the case which we are considering , consists of two parts , viz ...
... mycelium ( Fig . 227 , my ) , which is vegetating un- derneath the surface of the ground , or other substance upon which the fungus may be growing . The re- ceptacle , in the case which we are considering , consists of two parts , viz ...
Página 189
... mycelium , or dense network of hyphæ , from which again the fructification or receptacle is developed . Judging from analogy , we should have ex- pected the fructification to be the result of a sexual pro- cess taking place in the mycelium ...
... mycelium , or dense network of hyphæ , from which again the fructification or receptacle is developed . Judging from analogy , we should have ex- pected the fructification to be the result of a sexual pro- cess taking place in the mycelium ...
Página 193
... mycelium , concealed in the rich mold , answers to the root , stem , and leaves of the higher plants . The portion above ground , " the toadstool , " represented in Fig . 227 , exhibits all the parts shown in the Figure ; and you will ...
... mycelium , concealed in the rich mold , answers to the root , stem , and leaves of the higher plants . The portion above ground , " the toadstool , " represented in Fig . 227 , exhibits all the parts shown in the Figure ; and you will ...
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.