128 ACOTYLEDONS. Musci. Grhnmia. 



leaves sheathing, their sides involute, capsule oblong, lid ros- 

 trate shorter than the capsule. Muse. Brit. p. 33. t. 12. 

 HAD. Banks and wall-tops. 



8. T.UHguiculata, stems branched, leaves linear-lanceolate obtuse 

 their nerve produced into an apiculus, the margins nearly 

 plane, capsule oblong, lid rostrate nearly as long as the cap- 

 sule. Muse. Brit. p. 33. t. 12. 



HAB. Banks and hedges. 



9. T. co?ivoluta, stems short, leaves oblong rather obtuse, nerve 

 not produced beyond the point the margins plane or slightly in- 

 curved, perichaetial leaves sheathing acute remarkably convo- 

 lute, capsule oblong, lid rostrate. Muse. Brit. p. 34. *. 12. 



HAB. Moist banks. Pastures near Clyde Iron-works, D.Don. 



13. ENCALYPTA. 

 Fruitstalks terminal. Peristome single, of 16 teeth. Calyptra 



campanulate, smooth, entirely inclosing the mature capsule. 



Muse. Brit. p. 34. t. 2. 



1. E. streptocarpa, stems elongated, leaves elliptico-lanceolate 

 somewhat obtuse their nerve not produced beyond the sum- 

 mits, capsule cylindrical spirally striated, calyptra toothed at 

 the base. Muse. Brit. p. 34. t. 13. 



HAB. Stony mountainous countries. . Arthur's Seat and Pentland 

 hills, but without fr., Mr. Arnott. Woods at Dunkeld,in the Duke 

 of Athol's grounds, in a fine state of fructification. 



2. E. ciliata, stems short, leaves oblong acuminate, nerve more 

 or less produced beyond the summit; capsule cylindrical, ca- 

 lyptra toothed at the base. Muse. Brit. p. 35'. /. 13. 



a. cowco/or, leaves mostly apiculate, their points of the same co- 

 lour, capsule smooth. E. ciliata of authors. 



/3. alpina, leaves much acuminated, their points diaphanous, 

 capsules smooth. E. alpina, jE. B. 



HAB. Elevated mountains, a. and j3. not rare. Pentland hills, abun- 

 dant, Mr. Greville. 



3. E. vulgaris, stems short, leaves oblongo-elliptical obtuse their 

 nerve produced a little beyond the summits, capsule cylindrical 

 smooth, calyptra entire at the base. Muse. Brit. p. 35. t. 13. 

 Bryum extinctorium, Light/', p. 718. 



HAB. Banks, walls, and rocks. Walls about Edinb., frequent, Mr. 

 Greville. Fissures of rocks, Lorn, Capt . Carmichael. 



14. GRIMMIA. 



Fruitstalks terminal. Peristome of 16 entire, or perforated, rarely 

 cleft, equidistant teeth. Calyptra mitriforrn. Muse. Brit, 

 p. 36. t.2. 



* Fruitstalks scarcely any. 

 1 . Gr. apocarpa, stems branched, leaves ovato- lanceolate re- 



