Physiological Botany1886 |
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Página 8
... separate from the cell- wall as mentioned above . By some authors the primordial utricle is differently characterized , and defined as the outer thin homogeneous layer or ectoplasm of the proto- plasm . This is the sense in which it was ...
... separate from the cell- wall as mentioned above . By some authors the primordial utricle is differently characterized , and defined as the outer thin homogeneous layer or ectoplasm of the proto- plasm . This is the sense in which it was ...
Página 10
... granules . In form the separate granules are always spherical or nearly so in their earliest condition . In some cases this form is nearly maintained in their mature state , as in FORM AND SIZE OF STARCH GRAINS . II Wheat starch.
... granules . In form the separate granules are always spherical or nearly so in their earliest condition . In some cases this form is nearly maintained in their mature state , as in FORM AND SIZE OF STARCH GRAINS . II Wheat starch.
Página 36
... a mass of parenchyma , m , more or less distributed throughout it , and the fibro - vascular system arranged ver- tically in this in the form of separate bundles , ƒ , which EXOGENOUS AND ENDOGENOUS STEMS . 37 have no tendency to.
... a mass of parenchyma , m , more or less distributed throughout it , and the fibro - vascular system arranged ver- tically in this in the form of separate bundles , ƒ , which EXOGENOUS AND ENDOGENOUS STEMS . 37 have no tendency to.
Página 46
... separates early and is replaced by cork - cells . The new layers of wood , the cambium - layer , and the recently formed liber , are the parts of an exogenous stem which are alone concerned in its active development and life . B ...
... separates early and is replaced by cork - cells . The new layers of wood , the cambium - layer , and the recently formed liber , are the parts of an exogenous stem which are alone concerned in its active development and life . B ...
Página 47
... separately from one another in the mass of parenchymatous cells ( Figs . 86 , m , and 93 , A B a I b c b d a FIG . 92. - Diagram of a Monocotyledonous stem . A. Transverse section . B. Verti- cal section . a , a . Parenchymatous tissue ...
... separately from one another in the mass of parenchymatous cells ( Figs . 86 , m , and 93 , A B a I b c b d a FIG . 92. - Diagram of a Monocotyledonous stem . A. Transverse section . B. Verti- cal section . a , a . Parenchymatous tissue ...
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
absorbed absorption albumen anther antheridia antherozoids apex appearance archegonia arranged axil axis bark becomes bracts branches buds called calyx cambium carbon dioxide carpels cavity cell-wall cells Fig cellular chalaza chlorophyl coat color commonly composed compound consists contain corolla cotyledons dehiscence described developed Dicotyledonous dissepiments elongated embryo embryo-sac epidermis Exogenous stems external Ferns fertilization fibro-vascular bundles filaments flowers fluid frequently fruit germination glands granules green grow growth hairs hence hilum inclosed inflorescence inner kind layer leaf leaves less lobes macrosporangia matters medullary rays membrane micropyle Monocotyledonous nature nucleus occur organs outer ovary ovule oxygen parenchyma pericarp petals petiole pistil pith pitted placenta pollen pollen-cells portion produced protoplasm radicle reproductive roots seeds sepals separate species spiral vessels sporangium spores stalk stamens starch stigma stomata structure style substance surface surrounded sutures takes place termed Thallophytes thickened tion tissue transverse usually valves vary walls whorls wood wood-cells woody