Über Bau, Entwicklung, Keimung und Bedeutung der Parasporen der Ceramiaceen

Schiller, Josef

doi:10.1007/bf01637385

Cited by 3 publications

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“…117D, 1956Oltmanns, 1904Oltmanns, , fig. 425.4, 1922Schiller, 1913, fig. 1), the galls being described variously as 'polysporangia' or' parasporangia'.…”

Section: Accessory Methods Of Reproductionmentioning

confidence: 98%

“…Sporangia containing more than four spores, to which the terms ' polysporangium' and 'parasporangium' have been applied, have been reported in several species of Ceramium, Throughout the Florideae, the application of these terms is extremely confused. Schiller (1913) attempted to differentiate between the two types of sporangium, but in Ceramium, the system suggested by him proved to be inapplicable (cf. Rosenvinge, 1924, p. 399).…”

Section: Accessory Methods Of Reproductionmentioning

confidence: 99%

“…The first report of the occurrence of these structures was made by Kiitzing (1863, p. 1, pi. 1) in his account of Hormoceras acrocarpum, whilst Schiller (1913) has given a detailed account of their structure and development in Ceramium strictum. According to Schiller, the specimens occurred in an area of the Adriatic Sea where there was heavy pollution by sewage.…”

Section: Accessory Methods Of Reproductionmentioning

confidence: 99%

“…The presence of a central strand of cytoplasmic material in the axial cells of Ceramium has been discussed or figured by various authors (Moore, 1885;Petersen, 1908;Schiller, 1913;Phillips, 1926;Dammann, 1930Dammann, ,1932Celan, 1 939<z> b> Feldmann-Mazoyer, 1940;Feldmann & Feldmann, 1946;Funk, 1955). Phillips (1926, p. 277) has rightly commented that Moore (1886) mis-interpreted the observations of Hick (1884) on C. acanthonotum ( = C. shuttleworthianum).…”

Section: The Axial Cellsmentioning

confidence: 99%

“…The differences between carpospore and tetraspore germination are insignificant. Little or nothing is known of the germination of the so-called 'polyspores' or 'paraspores'; the only information available is the figure given by Schiller (1913) which is indistinguishable from a similar stage of germination of a carpospore or tetraspore.…”

Section: Spore Germinationmentioning

confidence: 99%

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Studies on Marine Algae of the British Isles: the genusCeramium

Dixon¹

1960

J. Mar. Biol. Ass.

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“…117D, 1956Oltmanns, 1904Oltmanns, , fig. 425.4, 1922Schiller, 1913, fig. 1), the galls being described variously as 'polysporangia' or' parasporangia'.…”

Section: Accessory Methods Of Reproductionmentioning

confidence: 98%

Section: Accessory Methods Of Reproductionmentioning

confidence: 99%

Section: Accessory Methods Of Reproductionmentioning

confidence: 99%

Section: The Axial Cellsmentioning

confidence: 99%

Section: Spore Germinationmentioning

confidence: 99%

See 3 more Smart Citations

Studies on Marine Algae of the British Isles: the genusCeramium

Dixon¹

1960

J. Mar. Biol. Ass.

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Parasporen (Seirosporen) auf der Chantransia-Phase von Lemanea fluviatilis C. Ag. (Nemalionales, Rhodophyta)

Huth

1981

Archiv für Protistenkunde

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The Griffithsieae group of the Ceramiaceae (Rhodophyta) and its southern Australian representatives

Baldock¹

1976

Aust. J. Bot.

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The genus Griffithsia C. Agardh, with its type species G. corallinoides (L.) Batters, is characterized by subdichotomous filaments of large multinucleate cells; by a fertile axis of three small discoid cells of which the subapical cell produces 1(-2) procarp(s), whilst the lowermost cell (termed the hypogenous) produces abaxially an involucre of 2-celled branches; by a large fusion cell; and by the production of tetrasporangia and spermatangia on whorls of fascicles which often bear involucral cells, or are surrounded by an involucre from the vegetative cell beneath the fascicles, or are naked. Some southern Australian species previously placed in Monosporus Solier or Neomonospora Setchell & Gardner, but which produce tetrasporangia and reproduce sexually, are related to G. tenuis C. Agardh and G. barbata C. Agardh. They are characterized by subdichotomous filaments of multinucleate elongate cells; by a 3-celled fertile axis of which the subapical cell produces a procarp, and the hypogenous cell enlarges during procarp development and produces a whorl of 1-celled involucral branches; by a large fusion cell; and by tetrasporangia and spermatangial heads produced singly either from the basal cell of a trichoblast, or on a separate clavate pedicel. These species are referred to the genus Anotrichium Naegeli, differing from Griffithsia mainly in the spermatangial heads and tetrasporangia. The genus Monosporus Solier, represented with certainty in southern Australia only by M. australis (Harvey) J . Agardh, is retained as a form genus for those species which produce monosporangia but for which sexual reproduction is unknown. Study of Halurus equisetifolius (Lightfoot) Kuetzing, the type species of Halurus Kuetzing, from England, shows that this genus is characterized by irregularly branched axes with dichotomous whorl-branchlets; by the successive production of several fertile axes each of 3 small cells and equivalent to a condensed, dichotomous, branch system; and by a subapical procarp and large fusion cell. The involucre consists of vegetative whorl-branchlets and also a whorl of 1-celled branches from the enlarged hypogenous cell of the fertile axis. Halurus thus differs from Griffithsia mainly in cystocarpic features and the presence of whorl-branchlets. Griffithsia setacea (Ellis) C. Agardh should probably be referred to Halurus. An evolutionary trend towards reduction in the Griffithsieae is suggested: whorl-branchlets have been reduced to trichoblasts and fertile whorl-branchlets to whorls of fascicles. The number of procarps in a branch system and the female, spermatangial and tetrasporangial involucres show a reduction sequence.

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Über Bau, Entwicklung, Keimung und Bedeutung der Parasporen der Ceramiaceen

Cited by 3 publications

References 0 publications

Studies on Marine Algae of the British Isles: the genusCeramium

Studies on Marine Algae of the British Isles: the genusCeramium

Parasporen (Seirosporen) auf der Chantransia-Phase von Lemanea fluviatilis C. Ag. (Nemalionales, Rhodophyta)

The Griffithsieae group of the Ceramiaceae (Rhodophyta) and its southern Australian representatives

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