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Mycology - Structure and Function - Spores
... Sclerotia & Stromata Introduction Stromata Sclerotia Germination Conclusion Questions Spores, Sexual and Asexual Introduction Spores are specialised cells of the fungus that can function as resting or dispersal propagules. Each spore has the potential to generate another individual of the species. In contrast to seeds, spores ...
bugs.bio.usyd.edu.au

Spores, Sexual and Asexual Questions
... Essentially all cells, once separated from the mycelium, have the potential to initiate a new thallus. Therefore, spores are non specialised cells and cells which function to disperse the fungus. Arthrospores are fragments of hyphae. Conidia, sporangiospores and zoospores are specialised cells which reproduce the fungi asexually. The sexual spores ...
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Adiantaceae [First Draft]
... or truncate etc.; sporangia globular, long stalked, annuli erect; mostly consist of 18-28 incrassate cells; spores tetrahedric, yellowish, transparent, smooth and experine.        Two genera: ... straight or slightly depressed, blacka and ciriaceous, entire or slightly undulate and persistent. Perines of spores with indistinct granulate ornamentations.        In limestone crevices; edemic ...
hua.huh.harvard.edu

Athyriaceae [First Draft]
... morphologically. Stipes pale brown-red, costae stramineous, laminae bearing pale yellow glandular cells on the abaxial surface, spores normal. Diploid or tetraploid, 2n=84@,168@. * Taiwan. Type from Ali ... when young, hidden by sporangia at maturity, persistent. Annulus consisted of 12—13 cells. Spores bean-shaped, dark-brown, darkened, perispore surface with dense tapered spine-like processes. ...
hua.huh.harvard.edu

DAVALLIACEAE [Draft]
... the margin, pedicel long, 3-seriate, annulus longitudinal, consisted of 12–16 thickened cells; spores monolete, elliptic or long-elliptic, translucent, usually without perispore. Three genera, ca. 45 ... . pedicel very long, 3-seriate, annulus longitudinal, interrupted of ca. 16 thickened cells. Spores elliptic, monolete, closely tuberculate, translucent. n = 41. Two species in India, Sikkim, Myanmar, ...
hua.huh.harvard.edu

Elaphoglossaceae [First Draft]
... surface of the lamina, paraphyses lacking, annulus longitudinal, interrupted, of c.12 thickened cells. Spores small, monolete, elliptic, brown, with perispore. A family of 4 genera with 400- ... surface of the lamina, exindusiate, paraphyses lacking, annulus longitudinal, interrupted, of c.12 thickened cells. Spores elliptic, monolete, brown, with a thick folded perispore. N=41. Comprises more than ...
hua.huh.harvard.edu

Lomariopsidaceae [First Draft]
... , inserted all over the lower surface, without indusia; annulus consisted of 14-22 thickened cells. Spores elliptic. 4 genera of about 40 species pantropical in distribution, mainly in Asia, Africa ... , completely covering lower surface of fertile pinnae, exindusiate, annulus consisted of 14-22 thickened cells. Spores monolete, brownish, elliptic. 2N =32, 62, 78, 164. About 20 species: tropic Asia and ...
hua.huh.harvard.edu

Loxogrammaceae [First Draft]
... -like. Sporangial stalk 1- or 2-celled at base, annulus with 12-16 indurated cells. Spores greenish (at time of dispersal), globose-trilete, or ellipsoida-monolete, surface finely verrucose. Chromosome ... ; paraphyses many, dense, soft, longer than sporangia, completely covered the sori at early satge. Spores ellipsoidal-monolete. Epiphytic on tree trunks in evergreen broad-leaved forests, alt. 1200- ...
hua.huh.harvard.edu

Fern Propagation from spores
... cycle. Mature plants produce spores on the underside of the leaves. When these germinate they grow into small heart-shaped plants known as prothalli. Male and female cells are produced on these plants and after fertilisation occurs the adult fern begins to develop. Collecting spores To collect spores place a portion of mature frond ...
www.anbg.gov.au

Bryophyta
... - sterile jacket, inside is sporogenous tissue which forms spore mother cells. Meiosis - spore tetrad - mature spores. Spores released only when gametophyte dies and decays. B. Marchantia. ... forms spore mother cells & spores. Elaters eject spores. IV. Anthocerotae. - Hornworts, Anthoceros A. Gametophytes simple, gametangia not surrounded by jacket of sterile cells. Homothallic or heterothallic. ...
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