"Leaves of Sarracenta purpurea. A, attractive surface of lid; B, conducting, C, glandular, and D, detentive…
"A. Skeleton of a young colony of Eubipora purpurea. st, Stolon; p, platform. B. Diagrammatic longitudinal…
"A Skeleton of a young colony of Tubipora purpurea. st, stolon; p, platform. B, Diagrammatic…