. Chambers's encyclopedia; a dictionary of universal knowledge for the people. species has recently been introducedinto British gardens for the same use under thename of P. escidenta. PHYTOLOGY, another name for Botany, notmuch in use. PHYTOZOA (Gr. phyton, a plant ; zoon, ananimal), also called Antherozoids, are minute bodiesproduced amidst a mucilaginous fluid in the anthe-ridia of many cryptogamous plants (Alga3, Hepaticre,Mosses, Ferns), which are either aquatic or delightin moist situations. In some many-celled autheridiaof the higher cryptogamous plants, each cell isdevoted to the produc
. Chambers's encyclopedia; a dictionary of universal knowledge for the people. species has recently been introducedinto British gardens for the same use under thename of P. escidenta. PHYTOLOGY, another name for Botany, notmuch in use. PHYTOZOA (Gr. phyton, a plant ; zoon, ananimal), also called Antherozoids, are minute bodiesproduced amidst a mucilaginous fluid in the anthe-ridia of many cryptogamous plants (Alga3, Hepaticre,Mosses, Ferns), which are either aquatic or delightin moist situations. In some many-celled autheridiaof the higher cryptogamous plants, each cell isdevoted to the production of a single the antheridium is mature, and bursts, thephytozoa move for a short time by means of cilia—a provision, ap])arently, for their reaching the pis-tillidia, the spores contained in which—accordingS22 to an opinion rapidly gaining ground among botan-ists—they are destined to fertilise. Great diver-sities exist in the phytozoa of difTerent cryi)to-gamous plants. The annexed figure will convey abetter notion of them than any mere Phytozoa:(From Carpenter on the Microscope.) A. Antheroz iiciJ. mature and discharging the antherozoids. C. Antlurozoid (if Pteris seirulatn (a fern) cliewing a, its largeexireuiity; b, its small extiemiiy; d, d, its cilia. Cryptogamous plants, which, as lichens, live in drysituaticms, have no phytozoa, although it is sup-posed that they have organs destined to the samepurpose, but destitute of the power of motion bycilia. PIACENZA, a city of Northern Italy, in the pro-vince of the same name, on the right bank of the Po,2 miles below the confluence of the Trebbia withthat river, and 36 miles west-north-west of the cityof Parma. Beautifully situated on a fine plain,confined on the south by well-cultivated hills, thecity itself is gloomy and desolate in streets are broad and regular—t
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