Polytrichum.'} APLOPERISTOMI. 45 



Trans. Turn. Muse. Hib. p. 82. Smith, FL Brit. p. 1375. Engl. Bot. 

 t. 1199. Schwaegr. Suppl. v. 1. p. 313. Moug. et Nesil. n. 128. Funck, 

 Deutschl. Moose, t. 54. B. /. 5. Hobson, Brit. Mosses, v. 1. n. 14. 

 Drummond, Muse. Scot. v. 2. n. 17. Hook. FL Scot. P. II. p. 125. 

 Am. Disp. Muse. p. 71. 



P. commune, y. Linn. Ditt. Muse. t. 54. / 3. 



HAB. On heaths. 



Stems short, destitute of leaves at the base. 



4. P. juniperinum ; leaves lanceolato-subulate their margins in- 

 volute entire, their points acuminated coloured subserrated, 

 capsule ovate obtusely quadrangular furnished with an apo- 

 physis, lid conical. (TAB. X.) 



Polytrichum juniperinum. Wittd. FL Berol. Hedw. Sp. Muse. t. 

 18. Turn. Muse. Hib. p. 82. Smith, Ft. Brit. p. 1375. Menzies in 

 Linn. Trans, v. 4. t. 6. /. 4. Engl. Bot. t. 1200. Funck, Deutschl. 

 Moose, t. 54. B. f. 1. Hobson, Brit. Mosses, v. 1. n. 15. Drummond, 

 Muse. Scot. v. l.n. 17. Hook. Fl. Scot. P. II. p. 126. Arn. Disp. 

 Muse. p. 70. Schwaegr. Suppl. v. 1. p. 309. Brid. Meth. p. 194. 



P. juniperifolium. Hqffm Moug. et Nestl. n. 417. 



P. strictum. Menzies in Linn. Trans, v. 4. t. 7. f. 1. Turn. Muse. 

 Hib. p. 83. Engl. Bot. t. 2435. 



P. alpestre. Hoppe Schwaegr. Suppl. v. 1. p. 310. t. 97. Funck, 

 Deutschl. Moose, t. 54. B. n. 2. 



P. affine. Funck, Deutschl. Moose, t. 54. B. n. 3. 



P. scabriusculum. Brid. Meth. p. 195. 



P. commune, ft. Linn. Dill. Muse. t. 54. f. 3. 



HAB. On heaths. 



We can perceive no other difference between the P. strictum 

 and P. juniperinum than that the former is branched, while the 

 stems of the latter are undivided, and we therefore cordially 

 assent to the opinion of Mr. Turner, who considers them as 

 the same species. Following Mohr also, we have united to our 

 plant the P. alpestre of Hoppe and Schwaegrichen. We must 

 here also declare, that, except in the want of the hair-points 

 to the leaves, and their being more scabrous at the extremity, 

 we can find no essential difference between this and the pre- 

 ceding species, P. piliferum. 



5. P. septentrionale ; leaves lineari-subulate obtuse their margins 

 especially towards the top involute subserrulate, capsule ovate 

 subangulate furnished with a minute apophysis, lid conical 



acuminate. (TAB. X.) 



11 



