What is "squirrel cups"

Liverwort \Liv"er*wort`\, n. (Bot.)

1. A ranunculaceous plant ( Anemone Hepatica) with pretty white or bluish flowers and a three-lobed leaf; -- called also squirrel cups.

2. A flowerless plant ( Marchantia polymorpha), having an irregularly lobed, spreading, and forking frond.

   Note: From this plant many others of the same order ( Hepatic[ae]) have been vaguely called liverworts, esp. those of the tribe Marchantiace[ae]. See Illust. of Hepatica.