Abstract
The antheridium formation of Halosaccion saccatum Kütz. and Halosaccion firmum (Post. et Rupr.) Rupr. is reported in this paper. The materials used for the observations were collected from Akkeshi and Cape Erimo, the Pacific coast of Hokkaido, Japan during 1966-1967. The male plant of H. saccatum was found through all the seasons of the year, while that of H. firmum was collected from October to April.The developmental processes of the antheridium in both species are essentially similar each other, and these are also similar to that of Rhodymenia palmata (L.) Grev. reported by previous workers.The antheridium originates from the epidermal cell. In H. saccatum, the epidermal cell elongates and cuts off three to four cells from the upper corners obliquely, and these cells cut off again two antheridial mother cells each. In H. firmum, however, the epidermal cell cuts off directly two antheridial mother cells from the upper corners obliquely. In both the species, the antheridial mother cells protrude two primary antheridia each. The secondary antheridia protruded within the empty sheath of primary ones are usually seen, while the tertiary antheridia are rarely distinguished. There are some differences between these species in size and shape of the antheridial mother cells, antheridia and spermatia.
Published Version (
Free)
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
