Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A taxonomic
genus within thefamily Marchantiaceae — a group ofliverworts .
Etymologies
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Examples
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"Pray, what makes you conclude so securely that this little Marchantia is good for something?"
Melbourne House 1907
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Also present were flowering plants (Plantago stauntoni, Acaena sanguisorbae) and liverworts (Marchantia spp.), and glades were characterized by rushes (Scirpus nodosus and Juncus australe).
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The vegetation is as profuse as one would expect in so damp and hot a summer climate, and from the prodigious rainfall of the mountains; every stone is covered with moss, and the road-sides are green with the Protococcus viridis and several species of Marchantia.
Unbeaten Tracks in Japan Isabella Lucy 2004
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The scattered position of the antheridia is also found in some of the higher forms, but usually they are grouped on special antheridiophores which in _Marchantia_ are stalked, disk-shaped branch-systems (fig. 5).
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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_Marchantia_ and _Fimbriaria_ an additional investment termed in descriptive works the perianth, grows up around each fertilized archegonium
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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In _Blasia_ and _Marchantia_ the gemmae are formed within tubular or cup-shaped receptacles, out of which they are forced by the swelling of mucilage secreted by special hairs.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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P. 703, Marchantiales: "Marchantia polymorpha and Lunularia": 'Marchantia, polymorpha' in original p. 707, Fig. 14: "Andreaea petrophila": 'pelrophila' in original
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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_F_, common liverwort (_Marchantia_), × 2. _x_, cups containing buds.
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Douglas Houghton Campbell
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The stomata may be simply surrounded by one or more series of narrower cells, or, as in the thallus of _Marchantia_ and on the archegoniophores of other forms, may become barrel-shaped structures by the division of the ring of cells bounding the pore.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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_Marchantia polymorpha_ and _Lunularia_ spread largely by the gemmae formed in the special gemma-cups on the thallus, and occur commonly in greenhouses.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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