292 HISTORY OF BRITISH MOSSES. 



3. Marchantia coxica^ Linn. [Conical Marchantia.) 

 Receptacle of the capsule conical, ovate, somewhat angular, 

 nearly entu'e at the margin ; that of the anthers sessile. — 

 Eng. Fl.p. 103. 



Sides of mountain-streams and on moist banks. Tr. April. 

 The study of this group is one of no common interest ; and 

 we hope that many readers will avail themselves of opportu- 

 nities of collecting both their fronds and fructifications, and 

 comparing them with the full descriptions given by Dr. 

 Hooker and Tavlor, in the works we have referred to. 



JUlS^GERMANlNriA, Linn. (Jungermannia.) 



Generic Character. — Common receptacle of the fruit none. 

 Perianth or calyx monophyllous, tubular, sometimes double, 

 rarely wanting. Capsule four-valvcd, terminating a peduncle, 

 which is longer than its perianth. — Named in honour of Louis 

 Jungermann, a German Botanist. 



This extensive genus, so widely distributed throughout 

 our own and other lands, cannot have, in the few pages 

 we devote to it, that notice to which it is entitled. "We 

 must be satisfied with describing a few of the more com- 

 mon or interesting species, selecting such as illustrate the 



