336 



Fig. 3. Part of plant, bearing sporocarps. Vi- 



« 4. Pait of cross section of the main axis of an older plant uear the base. *"/, . 



n 5. Part of median longitudiual section of the main axis of an öder plant near tlie base. *"Yj. 



PLATE 9. 



Fig. 1. Rhodomela lycopodioides f. typioa. /J. läxa. '/j. 

 " 2. Rhodomela lycopodioides f. typica. /. tenera. '/j. 

 ') 3. Rhodomela lycopodioides f. setacea. '/i- 



PLATE 10. 

 Rhodomela lycopodioides f. flagellaris. Fig. 1—2. 



Fig. 1. Habit-figure. Vi- 

 » 2. Part of a transverse section of the main axis of the frond near the hase. *"/,. 



Delesseria Oorymbosa. Fig. 3. 



Fig. 3. Habit-figure. Vi- 



PLATE 11. 

 Hsemescharia polygyna. 



Fig, J. Vertieal section of a vegetative part of the frond. *%. 



» 2. Vertieal section of a part of the frond, bearing cystidia. ^''/j. 



» 3. Part of the vegetative system, '"'"/i. 



» å — 6. Parts of the frond, bearing cystidia. *''Vj- 



" 7. Branch-system, one axis of which ends in a trichogyn (?). *'"'/i. 



« 8. Branches with iiumerous lateral trichogyns (?). ^"Vi- 



« 9. Branch-system with uudeveloped tetrasporangia (?). '""'/i. 



PLATE 12. 

 Oliantransia efflorescens f. tenuis. Fig. 1—2. 



Fig. 1. Part of sporiferous speciraen. *%. 

 » 2. Sporiferous branch. *^^li. 



Rhodophyllis dichotoma. Fig. 3. 



Fig. 3. Form occurring in the interiör of deep bays. Vi- 



Halosaccion ramentaceum f robusta. Fig. 4. 



Fig. 4. Specimeii bearing tetra.sporangia. '/.,. 



