EicciA. 289 



The following is the order of the Genera described in the 

 ' English Flora/ vol. ii. : — 



Riccia. 

 Spharocarpus. 

 Anthoceros. 

 Targionia. 

 Marchantia. 

 •Jungermannia. 



EICCIA, Linn. (Riccia.) 



Generic CJmracter. — Capsule spherical, immersed in the frond, 

 indehiscent, crowned with a style, which alone is protruded. — 

 Named after llicci, a botanist of Tloreuce. 



1. HicciA CRYSTALLiNA, Linn. Trond carnose, ovato-ob- 

 long, two- or three-lobed, the divisions dichotomous. 



On banks, etc. Fr. March and April. This plant varies 

 considerably in appearance, according to the situation in 

 which it grows. The most marked, according to Hooker, 

 are, var. glauca {R. glcmca, Linn.), growing in dry situa- 

 tions; the frond is fleshy, glaucous in colour, and furrowed, 

 with acnte segments : var. irrigua, in moist situations, damp 



u 



