from the GNU version of the Collaborative International Dictionary of English
- n.pl. A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under cryptogamia.
from The Century Dictionary and Cyclopedia
- A division of the vegetable kingdom including the ferns and their allies; the vascular cryptogams. See Cryptogamia, and compare Bryophyta.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
Sorry, no etymologies found.
He was a leading authority on the pteridophyta, and collected a large and choice herbarium of the native ferns, which he donated to the Massachusetts Horticultural
Has specialized in scientific work on the pteridophyta, distinguishing himself by the excellence as well as by the large number of his publications, the more important being "Studies of