The Distribution and Possible Taxonomic Significance of Quaternary Ammonium and Other Dragendorff-Positive Compounds in Some Genera of Marine Algae

Articles in the same Issue

1. Sonstiges
2. Titelei
3. The papers in this issue are dedicated to the memory of Prof. Dr. George Frederik Papenfuss † (1903-1981)
4. Some Undenitilized Taxonomic Criteria in Gracilaria (Rhodophyta, Gigartinales),
5. The Distribution and Possible Taxonomic Significance of Quaternary Ammonium and Other Dragendorff-Positive Compounds in Some Genera of Marine Algae
6. The Regulation of the Life History of Dumontia contorta in Comparison to that of Several Other Dumontiaceae (Rhodophyta)
7. Field and Culture Observations on the Life History of Bonnemaisonia asparagoides (Woodw.) C. Ag.(Rhodophyta) from Norway
8. Morphology, Phenology and Photoperiodism in Halymenia latifolia Kütz. (Rhodophyta) from Ireland
9. Some Preliminary Observations on the Ecology, Structure, Culture and Taxonomic Position of Petrocelis hennedyi (Harvey) Batters (Rhodophyta) in Britain
10. Life Histories in the Florideophyceae with Particular Reference to the Nemaliales sensu lato
11. Acknowledgement