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, inflorescentia, is used by Linnæus to express the particular manner in which flowers are situated upon a plant, denominated by preceding writers the modus florendi, or manner of flowering. Of this the several kinds are distinguished as follows.

. A Whorl. In this the flowers surround the stem in a sort of ring; though they may not perhaps be inserted on all sides of it, but merely on two opposite ones, as in Dead Nettle, Lamium, Engl. Bot. t. 768—770, Mentha rubra, t. 1413, and Clinopodium vulgare, t. 1401; or even on one side only, as Rumex maritimus, t. 725. The flowers of Hippuris