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Personatx

leaves, branches, plants, species and placed

PERSONATX, in botany, masked, the name of the fin-tieth order in Linnzus's Fragments of a Natural Method, consist ing of a number of plants whose flowers are furnished with an irregular gaping petal, which, in figure, somewhat resem bles the snout of an animal. Most of the genera of this natural order arrange them selves under the class and order " Didy namia Angiospermia." The rest, al though they cannot enter into the artificial class just mentioned, for want of the classic character, (the inequality of the stamina), yet, in a natural method, which admits of greater latitude, may be arrang ed with the Personatw, which they resem ble in their habit and general appearance, and particularly in the circumstance ex pressed in the title. This order furnishes both herbaceous and woody vegetables of the shrub and tree kind. The roots are generally fibrous and branched ; in gerar dia and tozzia, they are tuberous. The roots of broom•rape are parasitical; that is, attach themselves to the roots of other plants, from which they derive their nou rishment. The stems and branches are cylindrical when young, except in some species of figwort, in which they are square. The leaves are simple, generally placed opposite in pairs at the bottom of the branches, but in many genera, stand alternate towards the top. Some species of trumpet-flower Wave the common foot stalk of their winged leaves terminated by a tendril, with three or five branches. In a species of cornutia is observed a sti pula or scale, in form of a half-moon, of the same substance with the leaves be tween which it is placed. The flowers are

universally hermaphrodite. They proceed either singly, or in clusters, from the wings of the leaves, as in American vibur num, or terminate the branches in a spike, panicle, or head, as in cornutia, ver vain, &c. la the latter they seem placed in whorls. The calyx, or flower-cup, is done leaf, which is cut into two, three, four, or five divisions, that are permanent. In the trumpet-flower, the calyx falls off early, and generally resolves itself into five distinct leaves. The corolla is corn posed of one irregular petal, with two lips, resembling the head or snout of an animal. In toad flax, the petal is termi nated behind by a nectarium in form of a spur. The stamina in plants of the first section, are two or four in number. In hedgc.hyssop, and some species of ver vain, the filaments are four in number, but two of these only are terminated by an thers ; so that the number of perfect sta mina in these plants is only two. The seed-bud is single, and placed above the receptacle of the flower. The style is single, thread-shaped, bent in the direc tion of the stamina, and crowned with a stigma, which is generally blunt, and sometimes divided into two. The seed vessel is a capsule, generally divided in ternally into two cavities, and externally into the same number of valves. The seeds are numerous, and affixed to a re ceptacle in the middle of the capsule.