336 KJELLMAN, THE ALG OF THE ARCTIC SEA. 
Fig. 
Fig. 
Fig. 
Fig. 
ig. 3. Part of plant, bearing sporocarps. 
4. Part of cross section of the main axis of an older plant near the base. 5°/). 
» & Part of median longitudinal section of the main axis of an oder plant near the base. 
tos 
Lys 
iy: 
80/ 
PLATE 9; 
Rhodomela lycopodioides f. typica. @. laxa. 1). 
Rhodomela lycopodioides f. typica. y. tenera. '/,. 
3. Rhodomela lycopodioides f. setacea. 1/,. 
PLATE 10. 
Rhodomela lycopodioides f. flagellaris. Hig. 1—2. 
1. Habit-figure. '/,. 
2. Part of a transverse section of the main axis of the frond near the hase. °”/,. 
Delesseria Corymbosa. fg. 3. 
3. Habit-figure. 1/). 
PLATE “ti: 
Hemescharia polygyna. 
J. Vertical section of a vegetative part of the frond. %°/,. 
2. Vertical section of a part of the frond, bearing cystidia. 8°/). 
3. Part of the vegetative system. 4°/,. 
4—6. Parts of the frond, bearing cystidia. 4/). 
7. Branch-system, one axis of which ends in a trichogyn (?). 4%/,. 
§. Branches with numerous lateral trichogyns (?). °°/). 
4. Branch-system with undeveloped tetrasporangia (?). 49/,. 
PLATE 12. 
Chantransia efflorescens f. tenuis. fg. 1—2. 
1. Part of sporiferous specimen. 4°/,. 
2. Sporiferous branch. 4°°/,. 
Rhodophyllis dichotoma. Fig. 3. 
3. Form occurring in the interior of deep bays. 1/,. 
Halosaccion ramentaceum f. robusta. fg. 4. 
4, Specimen bearing tetrasporangia.  !/,. 
80/ 
Hike 
