110 HEPATICiE. [Jungerrnannia. 



appressed, (stipules only upon the innovations), fruit terminal, 

 perianth immersed in the perichaetial leaves oblong- fleshy, the 

 mouth open 4-toothed. Hook. Br. Jung. t. 38. E. Bot. t. 2587. 

 Lindenb. Syn. Hepat. p. 33. 



Mountain rivulets, Ireland, Dr. Taylor. Plentiful on Snowdon, Mr. 

 Wilson. Fr. Apr. — June. — This has an almost equal claim to rank with 

 the stipulated as with the exstipulated species; and among the former it 

 is allied to J. scalaris and Taylori. 



** Leaves emarginate or bifid ; the segments equal. 



14. J. emargindta, Ehrh. (notched Jungerrnannia); stem 

 erect branched, leaves loosely imbricated patent obcordate 

 emarginate, fruit terminal, perianth ovate toothed immersed in 

 the perichaetial leaves. Ehrh. Beitr. 3. p. 80. Hook. Br. Jung, 

 t. 27. E. Bot. t. 1022. Hobs. Br. Mosses, v. 2. n. 92. Lindenb. 

 Syn. Hepat. p. 75. — J. macrorhiza, Dicks. Cr. Ease. 2. p. 16. 

 t. 5. f. 10. — Sarcocyphos Ehrharti, Corda, in Sturm Deutschl. 

 Fl 



Wet places, among rocks in the mountainous districts ; frequent. Fr. 

 March, June. — A well-marked and very distinct species, of a deep 

 purple colour, almost black. 



15. J. concinndta, Lightf. (braided Jungerrnannia); stem 

 erect branched, leaves very closely imbricated erect concave 

 ovate obtuse emarginate, fruit terminal, perianth none, calyptra 

 concealed by the perichaetial leaves. Lightf. Scot. v. 2. p. 786. 

 E. Bot. t. 1022. Hook. Br. Jung. t. 3. Lindenb. Syn. Hepat. 



p. 74. Hobs. Br. Mosses, v. 2. n. 88 Gymnomitrion concinna- 



tum, Corda. 



Alpine rocks, especially those over which water occasionally trickles. 

 Fr. June. — Plants densely matted, small, varying from a silvery hue to 

 a pale yellowish-brown, sometimes nearly black. — Mr. Wilson says there 

 are occasional appendages to the leaves, resembling stipules, of a lanceo- 

 late shape. 



16. J. Orcadensis, Hook. (Orkney Jungerrnannia); stem erect 

 nearly simple, leaves closely imbricated erect or patent cordato- 

 ovate the margins recurved. Hook. Br. Jung. £.71. Hobs. Br. 

 Mosses, v. 2. n. 102. Lindenb. Syn. Hepat. p. 74. Hook, in E. 

 Bot. Suppl. t. 2679. 



Mountains of Scotland, not uncommon, mixed with mosses; first 

 discovered in Orkney. Fr. unknown : but gemmte are found upon the 

 points of the terminal leaves. 



17. J. infldta, Huds. {inflated Jungerrnannia); stem erect 

 .simple or branched, leaves roundish concave acutely bifid mi- 

 nutely reticulated the segments very obtuse, those of the peri- 

 cheetium small, fruit terminal, perianth (frequently abortive 

 and deciduous) oblong or pyriform, the mouth contracted 

 toothed. Huds. Angl p. 571. Hook. Br. Jung. t. 38. E. Bot. 

 t. 2512. Lindenb. Syn. Hepat. p. 79. — J. bicrenata, Schmid. 



: Moist heaths. Fr. March, Apr. 



