171 



L. delapsum f. conglutinata. 

 Fig. 4. Habit-figure of an older specimen of the form. 



PL 15. 



L. apiculatum f. typica. 

 Fig. 1 — 4. Habit-figures of 4 specimens of the plant. 



L. apiculatum f. parvicocca. 

 Fig. 5 — 8. Habit-figures of 4 specimens of the plant. 



L. apiculatum f. connata. 



Fig. 9 — 13. Habit-figures of 5 specimens of the plant, two of 

 which freely developed on the bottom, the others 

 fastened to stones. 



L. apiculatum f. patula. 

 Fig. 14 — 19. Habit-figures of 6 specimens of the plant. 



L. gracilescens. 

 Fig. 20 — 27. Habit-figures of 8 specimens of the plant. 



PL 16. 



L. coralloides f. norvegica. 



Fig. 1 — 11. Habit-figures of 11 specimens of the plant from dif- 

 ferent places in the Trondhjem Fjord. 



L. coralloides f. saxatilis. 



Fig. 12 — 23. Habit-figures of 12 specimens from Skorpen and. the 

 Trondhjem Fjord. 



L. coralloides f. australis. 



Fig. 24 — 31. Habit-figures of 8 specimens of the plant; fig. 24 — 25 

 from Haugesund; fig. 26 from Storfosen; fig. 27 



