124 hepaticje. [Jungermannia. 



along with J. calyptrifolia. Fr. March.— A singular little plant, form- 

 ing small green tufts," whose foliage is not distinctly visible to the naked 

 eye; yet it is larger than in the following species. " A curious var. is 

 found by Dr. Taylor at Woodlands, near Dublin, incrusting Anomodon 

 vitieulosum ; its stipules are hardly to be discerned and the perianth is desti- 

 tute of the winged angles and tubular mouth usually seen in the species." 

 Wils. 



70. J. minutissima, Sm. (minute round-leaved Jungermannia); 

 stem creeping irregularly branched, leaves unequally (and 

 imperfectly) 2-lobed the upper lobes hemispherical the lower 

 ones minute almost obsolete, stipules ovato-rotundate bifid, 

 fruit lateral, perianth obovate-rotundate pentagonal, the mouth 

 contracted slightly toothed, capsule transparent quadrifid. 

 E. Bot. t. 1633. Hook. Br. Jung. t. 52. Hobs. Br. Mosses, 

 v. 2. n. 99. Lindenb. Syn. Hepat. p. 23.— Dill. Muse. t. 72. 

 /. 29. 



Bark of Holly, Ash and Fir ; as well as on rocks, principally in the 

 south of England and Ireland : first discovered by C. Lyell, Esq. Near 

 Dublin, Dr. Taylor. Not rare in Cheshire. Fr. Apr. May.— This well 

 deserves the name which Sir J. E. Smith has given to it, for it is cer- 

 tainly the most minute species with which I am acquainted ; its tufts 

 form small green granulated patches. Mr. Wilson observes that sti- 

 pules are seen upon the barren branches only. 



71. J. ctlyptri folia, Hook. (hooded-leaved Jungermannia); 

 stem creeping branched, leaves unequally 2-lobed, the upper 

 lobes larger calyptriform the lower ones obtusely quadrate cir- 

 cumvolute, fruit lateral, perianth oblong depressed and plane at 

 the apex quinquedentate, the mouth minute contracted, cap- 

 sule transparent quadrifid. Hook. Br. Jung. t. 43. E. Bot. 

 t. 2538. Linde?ib. Syn. Hepat. p. 24. 



On the stems of Ulex nana, near Bantry, Miss Hutchins. Killarney, 

 W. J. H., whereat Turk Cascade it is more plentiful on Fir-trees than 

 on Ulex, and always grows in very small detached tufts. Mr- Wilson. 

 Lowdore, C. Lyell, Esq. Fr. Oct. Nov.— This species is not only 

 among the most minute, but amongst the most singular in structure of 

 all the Jungermannia;. Its leaves almost exactly resemble the calyptra 

 of a moss, and they are remarkably attenuated at the point ; the open- 

 ing at the base is almost covered by the circumvolute lesser lobe. 



*** Lower or smaller segments (of the leaves saccate.) 



72. J. Hutchinsia, Hook. (Miss Hutchins Jungermannia); stem 

 creeping branched, leaves unequally 2-lobed the upper lobes 

 ovate spinuloso-serrate the lower ones minute saccate at the 

 base frequently unidentate, stipules roundish-ovate subserrate 

 acutely bifid, fruit lateral, perianth obcordate triangular. Hook. 

 Br. Jung. t. 1. E. Bot. t. 2480. Lindenb. Syn. Hepat. p. 18. 



First discovered in the south of Ireland, at GlengarhT near Bantry, 

 along the banks of the first river, going from Bantry, above the water- 

 fall ; and in gloomy caverns at the side of other mountain rivulets, by 

 Miss Hutchins. Turk waterfall and other places near Killarney ; Bal- 

 linhasig Glen, near Cork ; and in a barren state in the pass of Llanberis 

 at the foot of Glyder Mountain, N. Wales. Ft. March.— This bcauti- 



