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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.

Of or pertaining to macrospores.

estroying the corpuscles, thus liberating in the blood plasma an immense number of small spores called merozoites. An indefinite but not ultimated number of such generations may follow, but if meanwhile the host is bitten by a mosquito, the parasites develop into gametes in the stomach of the insect. These conjugate, t…

The human race; man, taken collectively. The proper study of mankind is man. Pore.

Consisting of matter; not spiritual; corporeal; physical; as, material substance or bodies. The material elements of the universe. Whewell.

The quality or state of being material; material existence; corporeity.

of Fungi Imperfecti, including those with no asci nor pycnidia, but as a rule having the spores in cavities without special walls. They cause many of the plant diseases known as anthracnose.

An alga of any kind that produces blackish spores, or seed dust. The melanosperms include the rockweeds and all kinds of kelp. -- Mel`a*no*sper"mous, a.

A form of spore, usually elongate or falciform, and somewhat amoboid, produced by segmentation of the schizonts of certain Sporozoa, as the malaria parasite.

A sporangium or conceptacle containing only very minute spores. Cf. Macrosporangium.

Of or pertaining to microspores.

A genus of Hydrocorallia, which includes the millipores.

A fossil millepore.

s. The fruit is a small capsule usually opening by an apical lid, and so discharging the spores. There are many species, collectively termed Musci, growing on the earth, on rocks, and trunks of trees, etc., and a few in running water.

Having powers of self-motion, though unconscious; as, the motile spores of certain seaweeds.

nconstancy; variation. Plato confessed that the heavens and the frame of the world are corporeal, and therefore subject to mutability. Stillingfleet.

ain red algæ, consisting of an external mass of filaments at length separating into tetraspores.

s containing oöspheres, as in the rockweeds (Fucus), and the orders Vaucherieæ and Peronosporeæ.

xual fructification, as contrasted with the sporophore, which is nonsexual, but produces spores in countless number. In ferns the oöphore is a minute prothallus; in mosses it is the leafy plant.

The macrosporangium or case for the larger kind of spores in heterosporous flowerless plants.