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Oophore :: Oophore (n.) An alternately produced form of certain cryptogamous plants, as ferns, mosses, and the like, which bears antheridia and archegonia, and so has sexual fructification, as contrasted with the sporophore, which is nonsexual, but produces spores in countless number. In ferns the oophore is a minute prothallus; in mosses it is the leafy plant..

Zygospore :: Zygospore (n.) A spore formed by the union of several zoospores; -- called also zygozoospore.

Macrosporangium :: Macrosporangium (n.) A sporangium or conceptacle containing only large spores; -- opposed to microsporangium. Both are found in the genera Selaginella, Isoctes, and Marsilia, plants remotely allied to ferns..

Sporocarp :: Sporification (n.) Spore formation. See Spore formation (b), under Spore..

Macrospore :: Macrospore (n.) One of the specially large spores of certain flowerless plants, as Selaginella, etc..

Teleutospore :: Teleutospore (n.) The thick-celled winter or resting spore of the rusts (order Uredinales), produced in late summer. See Illust. of Uredospore..

Uredospore :: Uredospore (n.) The thin-walled summer spore which is produced during the so-called Uredo stage of certain rusts. See (in the Supplement) Uredinales, Heter/cious, etc..

Spore :: Sporangium (n.) A spore case in the cryptogamous plants, as in ferns, etc..

Fructification :: Fructification (n.) The process of producing fruit, or seeds, or spores..

Oospore :: Oospore (n.) A special kind of spore resulting from the fertilization of an oosphere by antherozoids.

Microsporic :: Microsporic (a.) Of or pertaining to microspores.

Gemma :: Gemma (n.) A bud spore; one of the small spores or buds in the reproduction of certain Protozoa, which separate one at a time from the parent cell..

Diaspore :: Diaspore (n.) A hydrate of alumina, often occurring in white lamellar masses with brilliant pearly luster; -- so named on account of its decrepitating when heated before the blowpipe..

Macrosporic :: Macrosporic (a.) Of or pertaining to macrospores.

Spore :: Spore (n.) A minute grain or germ; a small, round or ovoid body, formed in certain organisms, and by germination giving rise to a new organism; as, the reproductive spores of bacteria, etc..

Cryptogamia :: Cryptogamia (n.) The series or division of flowerless plants, or those never having true stamens and pistils, but propagated by spores of various kinds..

Zoosporic :: Zoosporic (a.) Of or pertaining to zoospores; of the nature of zoospores.

Motile :: Motile (a.) Having powers of self-motion, though unconscious; as, the motile spores of certain seaweeds..

Spore :: Spore (n.) One of the minute grains in flowerless plants, which are analogous to seeds, as serving to reproduce the species..

Encystment :: Encystment (n.) A process which, among some of the lower forms of life, precedes reproduction by budding, fission, spore formation, etc..

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