2025 02 06
Https www alamy com a textbook of botany for colleges and universities botany thallophytes 59 female plant in polysiphonia the procarp includes several cells in addition to the carpogonium and trichogyne the carpogonium arises from a large cell of the axis called the pericentral cell and around figs 149151 polysiphonia 149 showing the polysiphonous bodies bearing two clusters of antheridia 150 cystocarp showing the sterile jacket investing the group of carpospores and also an isolated carpospore 151 two mother cells forming tetraspores this cell a group of auxiliary cells is formed on image232330658 html (Dateityp jpg)
A Textbook Of Botany For Colleges And Universities Botany Thallophytes 59 Female Plant In Polysiphonia The Procarp Includes Several Cells In Addition To The Carpogonium And Trichogyne The Carpogonium
Https www alamy com botany principles and problems botany the thallophyta 283 point already well up in the scale of algal evolution the higher members of the class display an unquestionable alternation of generations two typical genera will illustrate the complexities of reproduction in this group nemalion fig 160 is a common form with a branching filamentous habit and represents the simplest of the red algae the numerous small antheridia profluce non motile fig 161polysiphonia fihrillosa a portion of a tetrasporic plant showing three groups of tetraspores these spores occur in tetrads or gro image234362560 html (Dateityp jpg)
Botany Principles And Problems Botany The Thallophyta 283 Point Already Well Up In The Scale Of Algal Evolution The Higher Members Of The Class Display An Unquestionable Alternation Of Generations Two
Https www agefotostock com age en details photo seaweed polysiphonia urceolata portion of plant with tetraspores x43 cornwall england fhr 58866 00001 187 (Dateityp jpg)
Seaweed Polysiphonia Urceolata Portion Of Plant With Tetraspores X43 Cornwall England Stock Photo Picture And Rights Managed Image Pic Fhr 58866 00001 187 Agefotostock
Https www alamy com the algae algae euphycophyta 249 bostrychia plumaria the order is the most highly evolved in the rhodophyceae and is the only one in which the auxiliary cell is cut oflf after fertilization and as a direct consequence of the process rhodomelaceae polysiphonia poly many siphonia siphons fig 141 the thallus in this genus generally arises from decimibent basal filaments that are attached to the substrate by means of small fig 141 polysiphonia violacea a plant of p nigrescens x b life cycle c apex and cells cut off from central cells d thallus construction in long image237822593 html (Dateityp jpg)
The Algae Algae Euphycophyta 249 Bostrychia Plumaria The Order Is The Most Highly Evolved In The Rhodophyceae And Is The Only One In Which The Auxiliary Cell Is Cut Oflf After
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