ACOTYLEDONS. HEPATIC^. Jungermannia . 1 17 



stipules broadly subquadrate crenate, fruit arising from the 

 lower part of the stem, cal. oblong subacuminate, the mouth 

 laterally cleft. Hook. Jung. t. 86, and t. 39 (J. Donlana). 

 HAB. Woods and mountains. 



A recent examination of my J. Doniana has satisfied me that it is 

 only an injured state of this plant. 



c. Leaves bifid; segments unequal, conduplicate. 

 * Lower or smaller segments plane. 



48. J. platyphylla, stem procumbent branched in a pinnated 

 manner, leaves unequally lobed, superior lobes roundish- 

 ovate nearly entire, inferior ones and the stipules ligulate quite 

 entire, fruit lateral, cal. ovate compressed truncate at the 

 mouth indso-serrate longitudinally cleft on one side. Hook. 

 Jung. t. 40, and SuppL t. 3. Ligfitf. p. 784. 



HAB. Woods, common. 



49. J. Icevigata, stern procumbent branched in a pinnated man- 

 ner, leaves unequally two-lobed spinuloso-dentate, superior 

 lobes roundish ovate, inferior ligulate, stipules oblongo-qua- 

 drate spinuloso-dentate. Hook. Jung. t.35. 



HAB. Woods and rocks in Scotland, not uncommon. 



50. J. ciliaris, stem procumbent branched in a pinnated manner, 

 leaves very convex unequally two-lobed, lobes and lobules ovate 

 bipartite fringed with long and slender cilia, stipules subqua- 

 drate 4- or 5-lobcd at the extremity with long cilia, fruit la- 

 teral, cal. obovate contracted and toothed at the mouth. Hook. 

 Jung. .65. 



HAB. On the ground in hilly and mountainous situations, abundant. 



51. l.tomentella, stem nearly erect bipinnate, leaves nearly plane 

 unequally two-lobed cut into numerous capillary segments, su- 

 perior lobes bipartite, inferior minute, stipules subquadrate 

 laciniate, fruit axillary, cal. oblong cylindrical hairy open at 

 the mouth. Hook. Jung. t. 36. 



HAB. Moist shady places, not unfrequent. Glen Finlas, near Loch 

 Lomond, D. Don. 



** The lower or smaller segments of the leaves involute. 



52. J. serpyllifolia, stem creeping loosely branched in a pinnated 

 manner, leaves unequally two-lobed, superior lobes rounded, 

 inferior minute involute, stipules roundish acutely bifid, fruit 

 lateral, cal. broadly obovate pentagonal, the mouth contracted 

 elevated subdentate. Hook. Jung. t. 42. 



HAB. Not uncommon on trees and rocks. 



53. J. hamatifolidj stem creeping loosely branched, leaves un- 

 equally two-lobed, superior lobes ovate acuminate mostly curved 

 at the extremity, inferior ones involute, stipules ovate acutely 

 bifid, fruit lateral, cal. obovate pentagonal, the mouth con- 

 tracted elevated and toothed. Ho^k.Jung. /, 51. 



