Cyclop'teris, a genus of fossil ferns met with in Devonian and Carboniferous strata. The leaflets are somewhat rounded or wedge-shaped, and have no midrib, the nerves spreading from the point of attachment.
Cyclop'teris
Chambers's Encyclopaedia, Volume 3: Catarrh to Dion, p. 640
Source scan(s): p. 0651