Hypertext Webster Gateway: "Cyperaceae"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Perigynium \Per`i*gyn"i*um\, n.; pl. {Perigynia}. [NL. See
{Perigynous}.] (Bot.)
Some unusual appendage about the pistil, as the bottle-shaped
body in the sedges, and the bristles or scales in some other
genera of the Sedge family, or {Cyperace[ae]}.
From WordNet (r) 1.7 (wn)
Cyperaceae
n : bulrush; chufa; cotton grass; papyrus; umbrella plant [syn:
{Cyperaceae}, {family Cyperaceae}, {sedge family}]
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