300 Transactions. — Botany. 



1. Codiicm muelleri, Kiitz., Tab. Phyc., vol. vi., tab. 95. 



2. Chcetomorpha area, Dillw. 



3. Sargassum godeffroyi, Grim. 



4. *S. spinifex, C. Ag. 



5. S. amalice, Grun. 



6. S. binderi, Sond. 



7. S. cervicorne, Grev. = S. binderi, Grun.; "forma 



angustifolia a., foliis subintegerrimis " (Sonder, Alg. 

 Trop. Austr.). 



8. S. merrifieldia{J) , J. Ag. The material is not quite 



complete. 



9. Hormosira banksii, Harv., var. sieberi, Harv., Ner. 



Austr. I have only seen some dwarfed frag- 

 mentary specimens. 



10. Zonaria diesiugiana, J. Ag. 



11. Padina pavonia, Gaill. (including v., Grunow, P. 



gymnospora, Kg., and perhaps P. d'urvillei, Borg.). 



12. Halyseris plagiogramma, Mont. 



13. * Plocamium hamatum, J. Ag. An endemic species. 



14. Gelidium rigidum, Vahl. (Grev.). 



15. Pterocladia capillacea, Bornet. In the absence of 



fruit there may be a little doubt about this identifi- 

 cation. 



16. Spyridia filamentosa, Wulf. (Harv.). 



17. Peyssonellia rubra, Grev. (J. Ag.). 



18. Desmia ambigua, Grev. (Harv.). This is probably 



only a form of D. (Chondrococcus) homemanni, Mert. 



19. *Galaxaura obtusata, Lrax. 



20. Griffithsia thyrsigera, Harv. On Sargassum. 



21. Leveillia jungermannioides, Mert. (Harv.). On Sar- 



gassum. 



22. Laurencia concinna, Mont. In the form of L. calli- 



ptera, Kg., tab. xv., 69. 



23. L. heteroclada, Harv. 



24. L. dendroidca, J. x\g. 



25. L. fiagellifera(?), J. Ag. (not of Keutzing). The 



materials are badly preserved. 



26. Liagora rugosa, Zan., var. vieillardii, Grun. Syn., L. 



fragilis, Kg., not of Zan. 



27. Amansia robinsoni, J. Ag. (Analecta Alg., pt. i., 



p. 174.) An endemic species. 



28. ■'■ Gorallina micrarthrodia, Lmx. 



29. *Amphiroa anceps, Lmx. Close to A. dilata, Decne, 



and A. bowerbankii, Harv. 



30. '•'Melobesia pustulata, Lmx. On Laurencia. 



In addition to the above there is a Gaulerpa coming close 

 to C. chemnitzia, but in the absence of the most recent 

 literature I am unable to identify it with certainty ; a coralline 



