South African Flowering Plants: For the Use of Beginners, Students and TeachersLongmans, Green, and Company, 1903 - 287 páginas |
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Página 9
... Corolla of five Petals . Observe that they are alternate in position with the sepals . Next come two sets of Stamens , one set of five being shorter than the other set . Each stamen consists of a thread - like stalk , or Filament ...
... Corolla of five Petals . Observe that they are alternate in position with the sepals . Next come two sets of Stamens , one set of five being shorter than the other set . Each stamen consists of a thread - like stalk , or Filament ...
Página 10
... corolla is of use for making the flower very bright , and easily seen by insects which come for honey or pollen as food . The stamens shed the dust - like pollen from the anthers , and this powder is a most important substance , for ...
... corolla is of use for making the flower very bright , and easily seen by insects which come for honey or pollen as food . The stamens shed the dust - like pollen from the anthers , and this powder is a most important substance , for ...
Página 17
... corolla which invites them . Besides colour , there is often a sweet scent , as in roses , etc. Some flowers , such as of the Stapelias of the Karroo , smell like putrid meat , so that flies come and lay their eggs upon the corollas by ...
... corolla which invites them . Besides colour , there is often a sweet scent , as in roses , etc. Some flowers , such as of the Stapelias of the Karroo , smell like putrid meat , so that flies come and lay their eggs upon the corollas by ...
Página 21
... corolla , especially , is Irregular , in that the petals are not all the same in size or shape . This is easily seen in the flower of the Sweet - pea ( Fig . 46 ) , and of Polygalas ( Fig . 36 ) , in which South Africa abounds . But as ...
... corolla , especially , is Irregular , in that the petals are not all the same in size or shape . This is easily seen in the flower of the Sweet - pea ( Fig . 46 ) , and of Polygalas ( Fig . 36 ) , in which South Africa abounds . But as ...
Página 25
... corolla so as to bear the weight of the insect . Now turn to figure ( II . ) , and it is easy to see how the bee's big body exactly fits the flower , as if the latter were made specially for it ; and so , too , it is believed to have ...
... corolla so as to bear the weight of the insect . Now turn to figure ( II . ) , and it is easy to see how the bee's big body exactly fits the flower , as if the latter were made specially for it ; and so , too , it is believed to have ...
Otras ediciones - Ver todas
South African Flowering Plants: For the Use of Beginners, Students and Teachers George Henslow Sin vista previa disponible - 2015 |
South African Flowering Plants; For the Use of Beginners, Students and Teachers George Henslow Sin vista previa disponible - 2018 |
South African Flowering Plants; For the Use of Beginners, Students and Teachers George Henslow Sin vista previa disponible - 2015 |
Términos y frases comunes
achenes adherent anther-cells anthers B.Sc base blade BOTANY bracts bulbs called calyx Cape capsule carpels cells CHEMISTRY coherent College Coloured common corolla cotyledons Crown 8vo cultivated D.Sc Description drupe ELEMENTARY embryo endosperm Engineer female flower filaments five sepals fleshy floral florets fruit Fruit-Capsule genera genus glands glumes Green grow hairs Herbs honey honey-glands Illus Illustrations inferior inflorescence insects irregular leaf leaves Lecturer LL.D lobes Lond London male flower orchids order contains ovary ovary-cell ovules Ox'alis Pelargonium perianth pericarp petals petiole PHYSIOLOGY pistil placentas plants Plates pollen PRACTICAL Professor published by Longmans R. A. PROCTOR receptacle receptacular tube roots round Royal 8vo Scientific Works published section of flower seed seen sepals sheath showing shrubs South Africa species in South stalk stamens stem stigmas structure Students style Text three stamens trations TREATISE trees tribes Vertical section whorl yellow
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