The First Book of Botany: Designed to Cultivate the Observing Powers of ChildrenD. Appleton, 1872 - 202 páginas |
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Página 16
... look more or less like leaves . NOTES FOR TEACHERS . - The exercises begin with leaves , be- cause they are the simplest and the most common parts of plants , and because they present the greatest variety of forms , and are most easily ...
... look more or less like leaves . NOTES FOR TEACHERS . - The exercises begin with leaves , be- cause they are the simplest and the most common parts of plants , and because they present the greatest variety of forms , and are most easily ...
Página 18
... leaf , they could not tell you .. They have looked at potato - plants and bean - plants often enough , but they have never observed them . When we observe a thing , we not only look. 18 THE FIRST BOOK OF BOTANY . Venation.
... leaf , they could not tell you .. They have looked at potato - plants and bean - plants often enough , but they have never observed them . When we observe a thing , we not only look. 18 THE FIRST BOOK OF BOTANY . Venation.
Página 19
... look at it , but , as we look , we think particularly about it . For instance , after these exercises , when you look at leaf , you will think , what parts has it ? and , is it net- veined or not ? You will observe these particulars ...
... look at it , but , as we look , we think particularly about it . For instance , after these exercises , when you look at leaf , you will think , what parts has it ? and , is it net- veined or not ? You will observe these particulars ...
Página 20
... Look again at its venation , and write the answer to this question also . Pin each leaf upon the paper that describes it , and hand the collection to the teacher , to see if you have observed correctly . EXERCISE IV . The Framework and ...
... Look again at its venation , and write the answer to this question also . Pin each leaf upon the paper that describes it , and hand the collection to the teacher , to see if you have observed correctly . EXERCISE IV . The Framework and ...
Página 23
... look some- thing like a feather , it is called a feather- veined leaf ; and when several ribs pass FIG . 10 . FIG . 11 . across the blade in a spreading fashion , as . in Fig . 11 , the leaf is said to be palmate- veined . Who- ever ...
... look some- thing like a feather , it is called a feather- veined leaf ; and when several ribs pass FIG . 10 . FIG . 11 . across the blade in a spreading fashion , as . in Fig . 11 , the leaf is said to be palmate- veined . Who- ever ...
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Términos y frases comunes
answer anthers Apex Appendages Author axil Axillary base bean begin blade Botany bracts branches buds called Calyx carefully carpels Cauline characters cluster color Compare compound leaves Cornhill CORYMB Cotyledon dehiscent Demy 8vo DESCRIBING FIG Description of Fig Edition embryo EXERCISE exstipulate feather-veined fibrous root Gamopetalous Corolla growing grown growth hairy herbaceous Hygiène Illustrated indefinite INFLORESCENCE internodes Kind leaf Leaf-arrangement Leaf-position leaflets LEAVES radical LL.D lobes London look Margin MORTIMER COLLINS names nodes NOTE oblong oldest flowers ovary ovules palmate-veined pedicels peduncle Perianth petals petiole Pinnate PINNATE.-When PISTIL Plumule POEMS polypetalous polysepalous Prof pupil questions Raceme rachis radical leaves Radicle regular ribs round SCHEDULE EIGHTEEN seed-coat seeds seen in Fig sepals Serrate sessile Shape shown in Fig shrub Sinuses slender specimens spreading Stamens stem stigma Stipules story style surface suture tap-root terminal tion trees trunk two-celled umbel veined Venation vols woody plants write
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