"Piece of the frond of Fucus platycarpus furnished with receptacles." -Lindley, 1853

Brown Alga

"Piece of the frond of Fucus platycarpus furnished with receptacles." -Lindley, 1853

"Fucus platycarpus...Section of a conceptacle much magnified." -Lindley, 1853

Brown Alga

"Fucus platycarpus...Section of a conceptacle much magnified." -Lindley, 1853

"Fucus platycarpus...3. jointed branching hairs detached from the sides of the conceptacle and bearing antherids; 4. an antherid full; 5. an antherid with only one antherozoid left in it; 6. Antherozoids." -Lindley, 1853

Brown Alga

"Fucus platycarpus...3. jointed branching hairs detached from the sides of the conceptacle and bearing…

"Part of thallus of a rockweed (Fucus platycarpus)." -Bergen, 1896

Rockweed

"Part of thallus of a rockweed (Fucus platycarpus)." -Bergen, 1896

"Transverse section of conceptacle of a rockweed (Fucus platycarpus). h, hairs; a, antheridia; o, oogonia." -Bergen, 1896

Rockweed Section

"Transverse section of conceptacle of a rockweed (Fucus platycarpus). h, hairs; a, antheridia; o, oogonia."…