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Webster 1913 Edition
Umbellularia
‖
Um-belˊlu-la′ri-a
,p
rop.
Noun.
[NL. See
Umbellule
.] (Zool.)
A genus of deep-sea alcyonaria consisting of a cluster of large flowerlike polyps situated at the summit of a long, slender stem which stands upright in the mud, supported by a bulbous base.