Textbook of Theoretical Botany, Volume 1 |
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Page 59
... Zygote membrane is secreted by the zygote . In this species , there- fore , Chlamydomonas approaches an oogamous condition . The life - history of Chlamy- domonas may be represented in the form of a diagram ( Fig . 34 ) showing the ...
... Zygote membrane is secreted by the zygote . In this species , there- fore , Chlamydomonas approaches an oogamous condition . The life - history of Chlamy- domonas may be represented in the form of a diagram ( Fig . 34 ) showing the ...
Page 89
... zygote is formed . Such types are there- fore isogamous . The active gamete is looked upon as the male and the pas ... zygote its subsequent development is the same . Immediately after the fusion of the gamete nuclei a zygospore is ...
... zygote is formed . Such types are there- fore isogamous . The active gamete is looked upon as the male and the pas ... zygote its subsequent development is the same . Immediately after the fusion of the gamete nuclei a zygospore is ...
Page 152
... zygote . The zygote nucleus divides into two , one nucleus then migrates into a lateral protrusion which develops in the side of the zygote , and is cut off by a wall . The remaining nucleus then also divides and a second lateral pro ...
... zygote . The zygote nucleus divides into two , one nucleus then migrates into a lateral protrusion which develops in the side of the zygote , and is cut off by a wall . The remaining nucleus then also divides and a second lateral pro ...
Contents
CYTOLOGY | 5 |
THE BASIS OF PLANT CLASSIFICATION | 38 |
THE ALGAE | 51 |
Copyright | |
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Algae Angiosperms antheridium antherozoids apex apical cell appear archegonium arise Asexual reproduction axillary axis basal base become branches cambium cell wall central chloroplasts chromosomes conidiospores consists cortex cytoplasm Dicotyledons differentiation diploid divides division elongated embryo endodermis epidermis female Ferns fertilization filaments flagella formation formed fruiting body Fungi Fungus gametangium gametes gametophyte genera genus germinate grow growth hyphae inner internodes lamina lateral layer leaf traces leaves Longitudinal lower male mature megaspore membrane meristem Monocotyledons monoploid mother cell mycelium nodes nucellus nucleus occur oogonium oosphere organs outer ovule parenchyma pericycle perithecium petiole phloem plants primary produced prothallus protoplasm protoxylem radial rhizoids rhizome ring root secondary separate Sexual reproduction shoots showing side single species sporangia sporangium spores sporophylls stage stalk stele stem strobilus structure surface thallus thick thickened tissue tracheids Transverse section tube upper usually vacuole vascular bundles vegetative xylem zone zoosporangium zoospores zygote