JUNGERMANNIA. 297 



On trunks of trees^ common. Pr. at various periods of 

 the year. Growing in circular patches of a pale green 

 colour, reminding one of some species of lichens. 

 B. Ftirnished with stiptdes. 

 a. Leaves entire or rarely emarginate. 



9. JuNGERMANNiA POLYANTHOS, Linn. {Mamj-fioioered 

 Jungermannia.) Stem procumbent, somewhat branched; 

 leaves horizontal, roundish, quadrate, plane, entire, and 

 emarginate ; stipules oblong, bifid ; fruit on short branches 

 from the under side of stem ; perianth half the length of the 

 calyptra, two-lipped, laciniated. — Eng. Fl. p. 117 ; Hook. 

 Br. Jung. pi. 62. 



Wet ground. Yv. Spring. Eemarkable for its square 

 leaves and peculiar fruit. 



b. Leaves bi-tri-fcl or -partite ; the segments equal. 

 * Stijmles much smaller, and very distinct from the leaves. 



10, Jungermannia reptans, Linn. {Creeping Junger- 

 mannia.) Stem creeping, steUatedly branched; leaves im- 

 bricated on the upper side, subqnadrate, incurved, acutely 

 quadridentate ; stipules broadly quadrate, quadridentate ; 

 fruit dorsal; perianth oblong, plicate, the mouth toothed. 

 —Eng.Fl.p. 119. 



In woods and on rocks in shady places, frequent. An 



