Orpine \Or"pine\, n. [F. orpin the genus of plants which includes orpine; -- so called from the yellow blossoms of a common species (Sedum acre). See Orpiment.]

(Bot.) A low plant with fleshy leaves (Sedum telephium), having clusters of purple flowers. It is found on dry, sandy places, and on old walls, in England, and has become naturalized in America. Called also stonecrop, and live-forever. [Written also orpin.]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Stonecrop \Stone"crop`\, n. [AS. st[=a]ncropp.]

1. A sort of tree. [Obs.]

--Mortimer.

2. (Bot.) Any low succulent plant of the genus Sedum, esp. Sedum acre, which is common on bare rocks in Europe, and is spreading in parts of America. See Orpine.

Virginian, or Ditch, stonecrop, an American plant (Penthorum sedoides).

Source: Webster's Revised Unabridged Dictionary (1913)