Abstract:That calyx which comes out at some distance below (he flower, and never encloses it. It is commonly at the origin of the peduncles of umbels, and sometimes attached to other aggregate flowers. Involucres are either universal, placed at the origin of the universal umbel, as in caraway, lovage, &.c. ; or partial, placed at the origin of a particular umbel, as in coriander; or proper, placed beneath a single flower. 3. Spalhe. A kind of membrane, which at first encloses the flower, and after it expands, is left a… Show more
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