Textbook of Theoretical Botany, Volume 1 |
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Page 81
... filaments . ASEXUAL REPRODUCTION This consists in the formation of zoospores . They arise from the ordinary cells of the filament ( Fig . 62 , B ) , which divide up into a number of separate parts , generally from two to sixteen ...
... filaments . ASEXUAL REPRODUCTION This consists in the formation of zoospores . They arise from the ordinary cells of the filament ( Fig . 62 , B ) , which divide up into a number of separate parts , generally from two to sixteen ...
Page 88
... filaments of cytoplasm to the nucleus . The filaments grow by simple cell division , each cell dividing by a wall transverse to its length , and any cell of the filament being capable of division . Such a type of growth , where any cell ...
... filaments of cytoplasm to the nucleus . The filaments grow by simple cell division , each cell dividing by a wall transverse to its length , and any cell of the filament being capable of division . Such a type of growth , where any cell ...
Page 383
... filaments consisting of from 100 to 200 tiny cells are produced . These are termed the spermatogenous filaments ; each cell of the filament functions as an antherozoid mother cell , and from it a single antherozoid is liberated ( Fig ...
... filaments consisting of from 100 to 200 tiny cells are produced . These are termed the spermatogenous filaments ; each cell of the filament functions as an antherozoid mother cell , and from it a single antherozoid is liberated ( Fig ...
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