DICRANUM. 53 



cord with what we have found near the level of the sea in 

 the vicinity of Dublin. The nerve is frequently so far pro- 

 duced beyond the point of the leaf as to render the latter 

 truly piliferous. 



* * Leaves not apiculate. 

 f Nerve very broad. 



D. longifolium ; steins elongated ; leaves very long, subu- 

 lato-setaceous, falcato-secund, serrulate, their nerve very 

 broad ; capsule oblongo-ovate, nearly erect ; lid rostrate. 

 (TAB. XVI.) 



D. longifolium. Hedw. St. Cr. v. 3. t. 9. Moug. et Nestl n. 318. 

 D. flagellare. Funk. 



HAB. In wet spots on rocks; Ireland. 



This species, which may be so easily distinguished from 

 its congeners by its long and falcate leaves furnished with a 

 nerve occupying nearly their whole breadth, has lately been 

 found in Ireland in the county of Wicklow, under dripping 

 rocks at Glenmalur. 



7. D. cerviculatum ; stems short; leaves lanceolato-subulate, 



entire, sub-secund, their nerve very broad ; capsule ovate, 

 subcernuous, strumose ; lid rostrate. (TAB. XVI.) 



D. cerviculatum. Hedw. St. Cr. v. 3. t, 37. Turn. Muse. Hib. p. 64. 

 Engl. Bot. #.1661. D. pusillum. Hsdw. St. Cr. v. 2. t. 29. Engl Bot. 

 t. 2491. D. flavidum. Sckivaegr. D. uncinatum. Engl Bot. t. 2261. 



HAB.- On bogs and moist banks. 



The stems are very short, and the dense patches have the 

 stramineous colour of those of a Splachnum, when grow- 

 ing, as is most frequently the case, on the black rotten soil 

 of turf bogs. 



8. D.Jlexuosum; stems nearly simple, rigid; leaves lanceolato- 



subulate, acuminated, straight; their nerve very broad; 

 fruitstalks flexuose ; capsule ovate, striated ; lid rostrate. 

 (TAB. XVI.) 



D. flexuosum. Hediv. Sp. Muse. t. 38. Turn. Muse. Hib. p. 74. 

 Engl Bot. t. 1491. Moug. et Nestl n. 123. Bryum immersum. Dicks. 

 Bryum fragile. Dicks. Sphagnum alpinum. Linn, (according to 

 Smith.) Dill Muse. t. 4J.f. 33. & i. 32. f. 3. 



HAB. On turf bogs and wet rocks. 



This plant is liable to such variations in size and colour, 

 that many varieties have been pointed out by authors which 

 we have scarcely thought it useful to separate, having seen 

 the plant so often in completely intermediate states. The 

 more common appearance of the plant, and the only one 



