svenjah's Identifications

Images 1-10

See also obs 197658096

1. Specimen on shell found washed up on a beach (approx 10cm long).
2. Relative size.
3. Upper branches retain small whorled laterals and hairs.
4. Lower branches denuded of hairs and laterals. Banding noted on branches.
5. Radially arranged laterals.
6. Laterals under higher magnification.
7. Surface cells.
8. Cross section showing mainly hairs.
9. Thinner, partial cross section showing internal branch structure.
10. Another cross section (added after initial ID and comments by w_martin).

Images 1-6

See also obs 170225063

1. Specimen washed up on beach.
2. Relative size of specimen.
3. Close up of branches.
4. Laterals appear in whorls.
5. Branch under magnification.
6. Branch under magnification.

See also obs 197658096 and obs 170225063

Images 1-7

1. Branch tips.
2. Algae in situ.
3. Relative size.
4. Branch under higher magnification.
5. Branch tip under higher magnification.
6. Close up of lateral.
7. Cells of lateral under higher magnification.