Laing. — On the Algce of Neic Zealand. 317 



22. Polysiphonia ceratoclada — St. Paul, Amsterdam Is- 



land. 



23. Antithamnion ptilota — Crozets. 



(D.) New Zealand, SoutJi America, and Antarctic Isla?ids. 



"24. Lessonia variegata— Chili, Kerguelen. 



25. D'Urvillcea utilis — South America, Falklands, Ker- 



guelen. 



26. Calophyllis variegata — Fuegia, Chili, Kerguelen, St. 



Paul. 



27. CalophyUis tenera - South Shetland, Kerguelen, 



Amsterdam Island. 



28. Delesseria davisii — Fuegia, Kerguelen. 



29. Delesseria quercifolia — Fuegia, Kerguelen. 



30. Delesseria crassinervia —Fuegia, Kerguelen. 



31. Ptilonia magellanica — Cape Horn, Kerguelen. 



ALG.ai .new to New Zealand in Professor Harvey 



Gibson's List. 



1. Corynophlosa umbcUata, J. Ag. 



2. Corynophlcea cystophorm, J. Ag. 



3. Bhodocorton parkeri, Harvey Gibson. 



4. Antithamnion ptilota (Hook, et Harv.), Harv. Gibs. 



5. Pleonosporium brounianum (Harv.), Harv. Gibs. 



6. Microcladia coulteri, Harv. 



7. Nemalion ramulosum, Harv. 



8. Gigartina flabellata, J. Ag. 



9. Gracilaria ramulosa, J. Ag. 



10. Polysiphonia hystrix, Hook, et Harv. 



11. Polysiphonia mallardice, Harv. 



12. Polysiphonia gaudichaudii, Ag. 



13. Polysiphonia cloiophylla, J. Ag. 



14. Gnrdicea laciniata, Harv. 



15. Melobesia amplexifrons, Harv. 



References, 



Flora Antarctica, 1847. (Sir J. D. Hooker.) 



Species, Ordines. et Genera Algarum, 1848-1863. (J. G. 



Agardh.) 

 Species Algarum, 1849. (Kiitzing.) 

 Flora Novae Zealandige, 1853-1855. (Sir J. D. Hooker.) 

 Phycologia Australica, 1858-1863. (Harvey.) 

 Handbook of the New Zealand Flora, 1864. (Sir J. D. 



Hooker.) 

 Epicrisis Systematis Floridearum, 1876. (J. G. Agardh.) 

 De Algis Marinis Novae Zealandise, 1877. (J. G. Agardh.) 

 The Marine Algae of Kerguelen Land, 1879. (Dickie.) 



(Phil. Trans. Roy. Soc, vol. clxviii.) 



