JUNGERMANNIA. 301 



b. Fronds fur msliecl with a nerve. 

 ■^ Perianth single. 



18. JuNGERMANNiA BlasiAj Hook. {FlasTc-bearing Jun- 

 germannia.) Frond oblong, submembranaceous, dicboto- 

 mous, costate^ witb scattered toothed scales below; fruit 

 arising from tbe upper side of tlie costa; perianth and ca- 

 lyptra within the frond. — Eng. Fl.j). 126 ; Hook. Br. Jung, 

 pi. 82, 83, 84. Blasia pusilla, Linn. 



Moist ground in mountainous and subalpine districts. 

 Fr. (rare) Spring. A curious species. For ample details 

 we refer to Sir W. J. Hooker's admirable Monograph. 



19. JuNGERMANNiA EPiPHYLLA, Liiin. [Broad-leaved 

 J^mgermannia.) Frond oblong, submembranaceous, irre- 

 gularly divided, obscurely costate, the margin entire or 

 somewhat lobed, sinuated ; fruit from the upper side of the 

 frond, and near the apex; perianth subcylindrical, plicate, 

 the mouth somewhat dilated, inciso-deutate ; calyptra ex- 

 serted, smooth. — Eng. M. p. 126 ; Hook. Br. Jung.pl. 47. 



On rocks and stones by the side of streams. Fr. Spring. 

 This species, when found without fruit, will readily be mis- 

 taken for a Marchantia, as its fronds are broad and succu- 

 lent. The capsules are numerous and ornamental, whether 

 in a young or matured state, and make their appearance — 



