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KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND. 20. N:o 9, 
PLATE 13. 
Halosaccion ramentaceum ! robusta. Ivy. /—¥. 
Fig. 1. Specimen, the »ramenta» of which have been dissolved for the greatest part after the tetrasporangia 
have ripened. !/). 
» 2. Part of specimen with new ramenta shooting forth from the remains of the formerly dissolved ones. '). 
Halosaccion ramentaceum !. subsimplex. /y. 3. 
Qs 
Fig. Habit-figure.  !/). 
Halosaccion ramentaceum f. ramosa, ly. 4. 
Fig. 4. Habit-figure.  1/). 
PLATE 14. 
Sarcophyllis arctica. Fig. 1—3. 
Fig. 1. Older, full-grown specimen. '),. 
» 2. Transverse section of part of the frond, bearing procarps. mei OC 
» 2. Transverse section of part of the frond, bearing sporocarps. 7"/, 
Kallymenia septemtrionalis. iy. 4—6. 
Fig. 4. Young specimen. !/,. 
» & Older, probably full-grown specimen. 1). 
» 6. Transverse section of the frond in an older specimen. 7°"), 
PLATE 15. 
Ptilota pectinata f. integerrima. I[q. 7. 
Fig. 1. Part of older, full-grown specimen. ')j. 
Ptilota pectinata f. litoralis. iy. 2—5. 
Fig. 2. Habit-figure. 1). 
» 3. Part of branch-system of the last order. 7°);. 
» 4, Transverse section of a full-grown branch of the last order but one. 7%/). 
» 9, Transverse section of one of the oldest and most robust axes of the frond. 1° ,- 
Ptilota pectinata f. typica. Ivy. 6. 
Fig. 6. Transverse section of a full-grown branch of the last order but one. 125/,. 
») 
K. Vet. Akad. Handl. Bd. 20. N:o 6. 45 
