frondose

Massive, frondose; more or less horizontally expanded; bears finger-like processes of varying development on the upper surface.

In the same way as the Ophioglossæ arose out of the frondose forms, the scale ferns arose out of the Ophioglossæ.

Next to the frondose ferns they took the largest part in the composition of the palæolithic fern forests.

One of the frondose Liverworts, Steetzia, otherwise like a Jungermannia; the spore-case not yet protruded from its sheath.

There are several species which are related to the frondose polyporus which occur in this country as well as in Europe.