Enteromorpha
Protoctista | Ulvaceae | Enteromorpha
granitic rocks extending to tops of gently sloping boulder tops which were burried in the sand at the 3' mark and not extending above about plus 4'. The alga extending upwards thusly about 1' from the plus 3'  line.
Mussel Point in front of the shop at the Hopkins Marine Station, Pacific Grove, Monterey Peninsula, Monterey County