PLATE 4.— Algae Floridese. 



Figure 



1. Sporochnus pedunculatus. a, portion of branch; b, receptacle; c, spores and 



filaments. 



2. Dietyota dichotoma. a, portion of frond ; b, sorus ; c, section of the same with 



spores. 



3. Poli/ides rotwvlus. a, frond with warts ; b, favelliclia from wart ; c, section 



of frond and wart ; d, spore. 



4. Phyllophora rubens ; 6, spores ; c, a nemathecium ; d, filaments from the same. 



5. Delesseria sanguinea ; b, spores ; c, a tetraspore ; d, capsule ; e, branch with 



coccidia. 



6. Nitophyllum punctatum ; b, a tubercle ; c, a tetraspore ; d, spores. 



7. Microcladia ylandulosa ; b, favella ; c, tetraspore ; d, branch with favella. 



8. Rhodymenia Palmetto,; b, portion with sorus ; c, tetraspores ; d, coccidium. 



9. Dasya arbuscula. a, portion of frond; b, branchlet with stichidia; c, a cera- 



midium. 



10. Plocamium, coccineum ; b, branch with tubercles ; e, branch with sporophylls ; 



d, tetraspore ; e, spore. 



11. RytipJdoea pinastroides ; b, branch with ceramidia; c, stichidium ; d, cera- 



midium. 



12. Nemaleon midtifidum. a, spermatozoa adherent to trichogyne ; b, antheridia ; 



c, carpogon. 



13. Odonthalia dentata ; b, stichidia ; c, ceramidia ; d, tetraspore ; e, spore. 



14. Splicer ococcus coronopifolius ; 6, portion with tubercles ; c, a tubercle ; d, spores. 



15. Bonnemaisonia asparagoides ; b, portion with ceramidia ; c, ceramidium ; 



d, spore. 



16. Ptilota plamosa ; b, c, favella ; d, tetraspore. 



17. Gigartina aciadaris ; b, c, tubercles with favellidia. 



18. Naccaria Wigglui b, swollen ramuli with spores ; c, filaments with spore. 



19. Bryopsis plumosa ; b, portion of branch magnified. 



20. Polysiphonia fastigiata ; b, portion magnified. 



21. Catenella opuntia. a, nat. size; b, magnified 10 diam. ; c, tetraspore. 



