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Show carifications, And he ‘ffect. ey foll rs, given every two hou purges, that till and mineral he has seen the » Tes they p Farum root, I move in dried, adds cel ace supplied by The best me- COMMON NETTLE. URTICA DIOICA. root of * } nd a half. pound anda half: er in a mortar. ‘st formsfor exhibiti oemati simple, as its stroyed by drying, and are not extracted by any be given to adults in doses of a drachm. Class XX1. Moneecia. Order IV. Tetrandria. Essent. Gen. Car. Male flower. Calyx four-leaved: Nectary in the Female flower: Calyx two-leaved: Seed one, centre, asp-shaped. shining. Src. CuAR. Leaves opposite, cordate: Racemes two. ee DESCRIPTION. Rises from three to four feet. Stem erect, quadrangular, defended with hairs. Leaves large, heart-shaped, pointed, deeply serrated, wrinkled, veined, covered with sharp stings, in pairs, on long footstalks. At the base of the footstalks are foursti6 Re . . pule. Flowers very inconspicuous, HISTORY: Common every where; flowers in July. The stings are very curious microscopic objects: they consist of an exceedingly fine pointed tapering hollow substance, with a perforation at the point, and a bag at the base. Whenthe string is pressed upon, 3 ¢ |