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Webster’s Dictionary (1828)



149 words match “SPORE”

ASCOCARP n.
uctification. The different forms are known in mycology under distinct names. Called also spore fruit.
ASCOMYCETES n.
A large class of higher fungi distinguished by septate hyphæ, and by having their spores formed in asci, or spore sacs. It comprises many orders, among which are the yeasts, molds, mildews, truffles, morels, etc. -- As`co*my*ce"tous (#), a.
ATHALAMOUS a.
Not furnished with shields or beds for the spores, as the thallus of certain lichens.
BACTERIUM n.
y widely diffused in nature, and multiply with marvelous rapidity, both by fission and by spores. Certain species are active agents in fermentation, while others appear to be the cause of certain infectious diseases. See Bacillus.
BASIDIOMYCETES n.
A large subdivision of fungi coördinate with the Ascomycetes, characterized by having the spores borne on a basidium. It embraces those fungi best known to the public, such as mushrooms, toadstools, etc.
BASIDIUM n.
A special oblong or pyriform cell, with slender branches, which bears the spores in that division of fungi called Basidiomycetes, of which the common mushroom is an example.
BLASTOPHORE n.
That portion of the spermatospore which is not converted into spermatoblasts, but carries them.
CALYPTRA n.
sher in form and position, covering each of the small flaskike capsules which contain the spores of mosses; also, any similar covering body.
CHEMOTAXIS; CHEMIOTAXIS n.
The sensitiveness exhibited by small free-swimming organisms, as bacteria, zoöspores of algæ, etc., to chemical substances held in solution. They may be attracted (positive chemotaxis) or repelled (negative chemotaxis). -- Chem`o*tac"tic (#), a. -- Chem`o*tac"tic*al*ly, adv.
CLUB n.
ow species is Lycopodium clavatum, but other Lycopodia are often called by this name. The spores form a highly inflammable powder. -- Club root (Bot.), a disease of cabbages, by which the roots become distorted and the heads spoiled. -- Club topsail (Naut.), a kind of gaff topsail, used mostly by yachts having a fore…
CONCEPTACLE n.
One of the cases containing the spores, etc., of flowerless plants, especially of algae.
CONIDIUM n.
A peculiar kind of reproductive cell found in certain fungi, and often containing zoöspores.
CONJUGATION n.
ntents of two or more cells or individuals in some plants and lower animals, by which new spores or germs are developed.
CRYPTOGAMIA n.
n of flowerless plants, or those never having true stamens and pistils, but propagated by spores of various kinds.
CYSTOCARP n.
A minute vesicle in a red seaweed, which contains the reproductive spores.
DISPOROUS a.
Having two spores.
EARTHSTAR n.
g splits into the shape of a star, and the inner one forms a ball containing the dustlike spores.
ELATER n.
An elastic spiral filament for dispersing the spores, as in some liverworts.
ENCYSTMENT n.
which, among some of the lower forms of life, precedes reproduction by budding, fission, spore formation, etc.
ENDOSPOROUS a.
Having the spores contained in a case; -- applied to fungi.
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