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1
Botany for Degree Students Part-III: Bryophyta
COMPARISON WITH RICCIA Sporogonium of Riccia Sporogonium of Marchantia
. In Riccia the sporogonium is the simplest known sporophyte among the
bryophytes. It lacks both the foot and the seta. It is just a spore case or capsule
globular ...
B R Vashishta, A K Sinha, Adarsh Kumar, 2011
2
Competition Science Vision
The Sporophyte is formed from the zygote. The diploid sporophyte is usually
called the sporogonium. Formation of meiospores and their dispersal are its sole
functions. The distal end of erect female branch of Funaria bears sporogonium, ...
3
A Text-Book of Botany: Morphological and Physiological
In F rullania it is a single circular disc of cells lying transversely beneath the dome
of the young sporogonium from which the vertical elaters, and by further divisions
, the mother-cells of the spores arise, a process which reminds one of what ...
Julius Sachs, Alfred W. Bennett, W. T. Thiselton Dyer, 2011
4
Fundamentals of Plant Science
Note that although a sporogonium is a sporophyte, these two words are not
synonymous. A sporogonium is a particular kind of structure which occurs only in
bryo- phytes. Sporophyte has a much broader meaning. It names the generation
...
John Gaylord Coulter, 1993
Asingle specimen of H. nidpurensis bore a distally attached globose to oval,
apical sporogonium attached dorsally by a narrow tapering base. The
sporogonium is 0.8 mm long and 0.7 mm wide and does not lie embedded in the
thallus tissue.
6
Phytography as a Fine Art
Sporogonium (cf. S. No. 97 and No. 99, 1b, 2b.) Concerning the term
sporogonium the following subjects will be dealt with: 1a. the seta or stalk. See S.
No. 109. 1b. the theca or capsule containing the spores. See S. No. 110. 1c. the
calyptra or ...
Jan Willem Moll, Johannes Cornelis Schoute, 1934
7
Text Book Of Botany Diversity Of Microbes And Cryptogams
The nurse cells are present in the sporogonium of. 2. Elaterophore helps in
dispersal of spores in 3. Sporophyte of Riccia consists of only 4. The
sporogonium of Riccia is foot and seta. 5. Nourishing tissue surrounding the
spore producing ...
8
The Evolution of the Land Plants (Embryophyta)
Except in the Sphagnales the early growth of the sporogonium is always due to
the activity of a two-sided apical cell. The establishment of the arche- sporium
takes place at a late period and, like Anthoceros, it forms but a small part of the
mass ...
Douglas Houghton Campbell, 1940
Even before the first division takes place in the young embryo, the venter of the
archegonium becomes much enlarged, and a calyptra is developed, enclosing
the sporogonium until it is far advanced. This attains a thickness of 5 or 6 layers
of ...
22. A-Funaria : V.S. female shoot showing archegonia and paraphyses; B-An
archegonium. Fig. 24. Funaria. V. S. Capsule of sporogonium Fig. 25. LEAF
NECK — U >NECK CANAL CELLS _, VENTER CANAL CELL OOSPHERE B.
Sexual ...
