The Collaborative International Dictionary of English v.0.48:

Dicentra \Di*cen"tra\ (d[-i]*s[e^]n"tr[.a]), Prop. n. [NL., fr.
   Gr. di- = di`s- twice + ke`ntron spur.] (Bot.)
   A genus of herbaceous plants, with racemes of two-spurred or
   heart-shaped flowers, including the Dutchman's breeches,
   and the more showy Bleeding heart (Dicentra spectabilis).
   [Corruptly written dielytra.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dutchman's breeches \Dutchman's breeches\, Dutchman's-breeches
\Dutchman's-breeches\n. (Bot.),
   a delicate perennial spring-flowering herb (Dicentra
   cucullaria) of eastern U.S., having peculiar double-spurred
   white flowers. See Illust. of Dicentra

   Syn: Dicentra cucullaria.
        [1913 Webster + WordNet 1.5]