Lessons in Elementary Botany: The Part of Systematic Botany Based Upon Material Left in Manuscript by the Late Professor HenslowMacmillan, 1878 - 300 páginas |
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Página 108
... Genera . Individuals . 3. The Binomial Method of naming Plants . Diagnostic cha- racters . 4. Arrangement of Genera under superior groups . Subordination of characters . 5. Varieties . 6. Explanation of the Type - lesson . Necessity for ...
... Genera . Individuals . 3. The Binomial Method of naming Plants . Diagnostic cha- racters . 4. Arrangement of Genera under superior groups . Subordination of characters . 5. Varieties . 6. Explanation of the Type - lesson . Necessity for ...
Página 110
... genera ( plural of genus ) including often many species , sometimes several hundreds we have others , again , which include few or but single species . In the latter case , we have species which are necessarily comparatively isolated in ...
... genera ( plural of genus ) including often many species , sometimes several hundreds we have others , again , which include few or but single species . In the latter case , we have species which are necessarily comparatively isolated in ...
Página 111
... genera . 3. Recollect , then , that in the scientific name of a plant we always state both the name of the genus and that of the species to which it belongs . The generic name pre- cedes . Thus Ranunculus bulbosus , Ranunculus acris ...
... genera . 3. Recollect , then , that in the scientific name of a plant we always state both the name of the genus and that of the species to which it belongs . The generic name pre- cedes . Thus Ranunculus bulbosus , Ranunculus acris ...
Página 113
... genera 13 ; species 31-32 . Herbs ( except Clematis ) . Stamens indefinite . FIG . 73. - Vertical section of flower of Buttercup . Type -- Buttercup ( Ranunculus bulbosus ) . O.B. I Herb , with thickened root - stock , radical and II ...
... genera 13 ; species 31-32 . Herbs ( except Clematis ) . Stamens indefinite . FIG . 73. - Vertical section of flower of Buttercup . Type -- Buttercup ( Ranunculus bulbosus ) . O.B. I Herb , with thickened root - stock , radical and II ...
Página 117
... genera 2 , species 2 . Floating Plants . Petals and stamens indefinite . Carpels indefinite ( spuriously coherent ) . Type - White Water - lily ( Nymphæa alba ) . An aquatic herb , with cordate floating leaves and large white solitary ...
... genera 2 , species 2 . Floating Plants . Petals and stamens indefinite . Carpels indefinite ( spuriously coherent ) . Type - White Water - lily ( Nymphæa alba ) . An aquatic herb , with cordate floating leaves and large white solitary ...
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Lessons in Elementary Botany, the Part of Systematic Botany Based Upon ... Daniel Oliver Sin vista previa disponible - 2015 |
Términos y frases comunes
2-celled achene Adhesion albuminous antheridia anthers apocarpous archegonia arranged axils bearing blade bracts branches British genus bundles Buttercup called calyx Cambridge carpels cells cellular characters coherent Cohesion College coloured common consists containing corolla cotyledons Crown 8vo dehiscing developed Dicotyledons Division Edition ELEMENTARY TREATISE embryo enlarged Epigynous Epipetalous erect exalbuminous examined Extra fcap Family fcap Fellow filaments florets flower-heads foliage-leaves fruit Gamopetalous Gamosepalous genera glumes Hypogynous I-celled indefinite Inferior inflorescence involucre irregular leaf leaves lobes minute Monocotyledons Natural Order numerous Illustrations OBSERVE Orchis Organ outer ovary ovule pedicels peduncle Pentandrous perianth pericarp Perigynous petals petiole pistil pistil syncarpous placenta plants pollen pollen-grains Polypetalous Polysepalous Professor radicle revised rhizome ripe root School section of flower seeds sepals sheathing shrub solitary species specimens spikelet sporange spores stamens stem stigma structure succulent Superior Syncarpous termed terminal thickened tissue tree tropical Type-Common umbel usually Wheat whorl wood woody
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