86 APLOPERISTOMI. [Weissia. 



son, Brit. Mosses, v. 1. n. 29. Brid. Meth. p. 43. Moug. et Nestl t. 

 713. Drummond, Muse. Scot. v. 2. n. 36. 4m. Disp. Muse. p. 25. 



Grimmia recurvata. Hedw. St. Cr. v. 1. t. 38. Smith, Fl. Brit, 

 p. 1183. Engl Bot. t. 1489. Turn. Muse. Hib. p. 24. Schwaegr. 

 Suppl v. 1. p. 83. Punch, Deutschl Moose, v. 2. n. 32. 

 Bryum curvatum. Dicks. 

 HAB. On sandstone rocks; upon rocks in the Den of 



Airly, Scotland. Mr. Drummond. 



The fruitstalk of this plant being always arched when grow- 

 ing, or, if moistened after having heen gathered, sufficiently 

 distinguishes this plant from W. pusilla. 



17. W. pusilla; stems scarcely any, leaves subulate, capsule ovate, 

 fruitstalks always erect, lid rostrate. (TAB. XV.) 



Weissia pusilla. Hedw. St. Cr. v. 2. t. 29. Funck, Deutschl. Moose, 

 t. 9. n. 9. Schwaegr. Suppl v. I. p. 68. Brid. Meth. p. 43. Arn. 

 Disp. Muse. p. 25. 



Grimmia pusilla. Smith, Fl. Brit. p. 1184. Engl. Bot. t. 2551. 

 Bryum paludosum. Linn. Sp. PL ? 

 HAB. On calcareous rocks, usually. 



Mr. Templeton alone seems to have found the true plant of 

 this species growing in dense patches on the white limestone 

 rocks in the neighbourhood of Belfast. We dare not quote the 

 Dillenian figures, t. 49. /. 53. &c. usually referred to this moss, 

 for neither in their appearance nor place of growth do they at 

 all accord with our plant. 



18. W. verticillata ; stems branched, leaves broadly subulate 

 nearly flat rather flaccid, capsule ovate, lid rostrate. (TAB. 

 XV.) 



Weissia verticillata. Schwaegr. Suppl. p. 71. t. 20. Moug. et Nestl. 

 t. 507. Funck, Deutschl. Moose, t. 9. n. 12. Arn. Disp. Muse. p. 26. 

 Conscidonon verticillatus. Brid. Meth. p. 50. 



Grimmia verticillata. Turn. Muse. Hib. p. 31. Smith, Fl. Brit. p. 

 1191. Engl. Bot. t. 1258. 



Weissia capillacea. Schwaegr. Suppl. v. 1. p. 69. n. 19. Brid. Meth. 

 p. 46. 



Bryum fasciculatum. Dicks. 



Bryum verticillatum. Linn DM. Muse. t. 47. / 35. 

 HAB. Among trickling water on rocks. 



This singular species has the lower part of the stems fre- 

 quently covered with a white earthy incrustation, which is 

 found on the plant whatever be the nature of the rock on which 



