from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A taxonomic family within the order Marchantiales — a group of chambered liverworts.
from the GNU version of the Collaborative International Dictionary of English
- proper n. A natural family of liverworts with prostrate and usually dichotomously branched thalli.
from The Century Dictionary and Cyclopedia
- Cryptogamic plants, forming an order of the Hepaticæ.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. liverworts with prostrate and usually dichotomously branched thalli
In most forms the capsule is raised above the general surface at the time of opening, usually by the rapid growth of the seta, but in the Marchantiaceae by the sporogonia being raised on a special archegoniophore.
Marchantiaceae are the representatives of radiate animals, another reason why Jungermanniaceae are to be separated from them.
Tell ---- I have in view the division of the vegetable kingdom analagous to radiata, they include all the Marchantiaceae, and are, to all intents and purposes, Vegetable Radiata. "