Search the Dictionary

A brownish zoöspore, characteristic of an order (Phæosporeæ) of dark green or olive-colored algæ. -- Phæ`o*spor"ic, a.

A peculiar reproductive cell found in some fungi.

One of several spores arranged in a chain as in certain algæ of the genus Callithamnion.

Same as Spermospore.

aking up of which the spermoblasts are formed and ultimately the spermatozoids; a spermatospore. Balfour.

One of the nonsexual spores found in red algæ; a tetraspore.

e minute, motile, reproductive bodies, produced asexually by certain algæ and fungi; a zoöspore.

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

A nonsexual spore, one of a group of four regularly occurring in red seaweeds. -- Tet`ra*spor"ic, a.

se with a spar, or piece of wood, used as a lever. [Obs.] Give me a staff that I may underspore. Chaucer.

The thin-walled summer spore which is produced during the so- called Uredo stage of certain rusts. See (in the Supplement) Uredinales, Heteroecious, etc.

A spore provided with one or more slender cilia, by the vibration of which it swims in the water. Zoöspores are produced by many green, and by some olive-brown, algæ. In certain species they are divided into the larger macrozoöspores and the smaller microzoöspores. Called also sporozoid, and swarmspore.…

A spore formed by the union of several zoöspores; -- called also zygozoöspore.

Having acrospores.

An apparatus designed for collecting spores, germs, bacteria, etc., suspended in the air.

us fungi of the family Agaricaceæ, characterized by having a volva, an annulus, and white spores. The species resemble edible mushrooms, and are frequently mistaken for them. Amanita muscaria, syn. Agaricus muscarius, is the fly amanita, or fly agaric; and A. phalloides is the death cup.

Having the seeds or spores covered, as in certain lichens. Gray.

Having spores contained in cells or thecæ, as in the case of some fungi.

sheep. It is ascribed to the presence of a rod-shaped bacterium (Bacillus anthracis), the spores of which constitute the contagious matter. It may be transmitted to man by inoculation. The spleen becomes greatly enlarged and filled with bacteria. Called also splenic fever.

The formation of a bud in place of a fertilized ovule or oöspore. De Bary.