Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
COMMENT ON TAXA TO RT
Very small 0.015 mm & widely scattered. dum w/ STYROFOAM texture
Sparse 0.025 mm
large ~ 0.05 mm. Crestrate margin
opaque to RT.
Serrate w/ rounded sinuses
scattered. 0.03-0.05 mm
heaf lomentose / opaque
Fordyce Grinnell #322
minute lacunae - STYROFOAM texture