an Umbel, a species of receptacle; or rather a mode of flowering, in which a number of slender footstalks proceed from the same centre, and rise to an equal height, so as to form an even and generally round surface at top. See Botany.

UMBELLATÆ, the name of a class in Ray's and Tournefort's methods, consisting of plants whose flowers Umbellate grow in umbels, with five petals that are often unequal, and two naked seeds that are joined at top and separated below.

The same plants constitute the 45th order of Linnaeus's Fragments of a Natural Method. See Botany.

UMBELLIFEROUS plants, are such as have their tops branched and spread out like an umbrella.