The Collaborative International Dictionary of English v.0.48:

Hag-taper \Hag"-ta`per\ (-t[=a]`p[~e]r), n. [Cf. 1st Hag, and
   Hig-taper.] (Bot.)
   The great woolly mullein (Verbascum Thapsus).
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Adam \Ad"am\, n.
   1. The name given in the Bible to the first man, the
      progenitor of the human race.
      [1913 Webster]

   2. (As a symbol) "Original sin;" human frailty.
      [1913 Webster]

            And whipped the offending Adam out of him. --Shak.
      [1913 Webster]

   Adam's ale, water. [Coll.]

   Adam's apple.

   1. (Bot.)
      (a) A species of banana (Musa paradisiaca). It attains a
          height of twenty feet or more. --Paxton.
      (b) A species of lime (Citris limetta).

   2. The projection formed by the thyroid cartilage in the
      neck. It is particularly prominent in males, and is so
      called from a notion that it was caused by the forbidden
      fruit (an apple) sticking in the throat of our first
      parent.

   Adam's flannel (Bot.), the mullein (Verbascum thapsus).


   Adam's needle (Bot.), the popular name of a genus (Yucca)
      of liliaceous plants.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mullein \Mul"lein\, n. [OE. moleyn, AS. molegn.] (Bot.)
   Any plant of the genus Verbascum. They are tall herbs
   having coarse leaves, and large flowers in dense spikes. The
   common species, with densely woolly leaves, is Verbascum
   Thapsus.
   [1913 Webster]

   Moth mullein. See under Moth.

   Mullein foxglove, an American herb (Seymeria macrophylla)
      with coarse leaves and yellow tubular flowers with a
      spreading border.

   Petty mullein, the cowslip. --Dr. Prior.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Hig-taper \Hig"-ta`per\, n. [Cf. Hag-taper.] (Bot.)
   A plant of the genus Verbascum (Verbascum Thapsus); the
   common mullein. [Also high-taper and hag-taper.] Hijera

WordNet (r) 3.0 (2006):

Verbascum thapsus
    n 1: tall-stalked very woolly mullein with densely packed yellow
         flowers; ancient Greeks and Romans dipped the stalks in
         tallow for funeral torches [syn: common mullein, great
         mullein, Aaron's rod, flannel mullein, woolly
         mullein, torch, Verbascum thapsus]