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Webster 1913 Edition

Parelle

{ ‖

Pa-rel′la

, ‖

Paˊrelle

, }

Noun.

[Cf. F.

parelle

.]

(Bot.)

(a)

A name for two kinds of dock (

Rumex Patientia

and

Rumex Hydrolapathum

).

(b)

A kind of lichen (

Lecanora parella

) once used in dyeing and in the preparation of litmus.