184 MINNESOTA BOTANICAL STUDIES. 



bearing papillae which are clavate, rounded at the apex, or more 

 frequently acutish and shortly mucronate, 32-40x14 mic. 



Napili harbor, Maui. April 16, 1902. Reef. (U. S. Fish 

 Com. 3881 B.) 



EXPLANATION OF PLATE. 



PLATE XXIV. 



All drawings are magnified 150 times, except where otherwise stated. 

 The drawings of Liagora consist of a cell of one of the central filaments 

 and an attached cortical branchlet. except where otherwise noted. The 

 drawings of Galaxaura show a group of cortical cells. 



1. Liagora pulverulenta .-^.g. 



2. Liagora tenuis J. Ag. 



3. Liagora maxima sp. nov. 



4. Liagora ma.xima. Cortical filaments from proximal part of a 



branch. 



5. Liagora ma.xima. .\ntheridial cells, X 250. 



6. Liagora intricata sp. nov. 



7. Liagora sub-paniculata sp. nov. 



8. Liagora hawaiiana sp. nov. 



9. Liagora hawaiiana. Antheridia! cells, X 250. 



10. Liagora corymbosa J. Ag. 



13. Liagora Tildenii var. lubrica var. nov. 

 12. Liagora Tildenii. Cystocarp. 



11. Liagora Tildenii sp. nov. 



14. Liagora subarticulata Grunow. 



15. Liagora subarticulata. Antheridial cells. X 250. 



16. Galaxaura hawaiiana sp. nov. 



17. Galaxaura acuminata Kjellman. 

 IS. Galaxaura acuminata Kjellman. 



19. Galaxaura acuminata Kjellman. 



20. Galaxaura mauiana sp. nov. 



21. Galaxaura (Section Vepreculae) sp. 



