Bartramia.-] D I P L O P E R I S T O M I. 145 



Bryum pomiforme. Linn. 

 Bartramia vulgaris. Moug. et Nestl. n. 137. 

 Bryum crispa. Swartz Dill. Muse. t. 44. / 1. 



/3. major ; steins much lengthened out, branched ; leaves longer ; crisped, 

 especially when dry. Hook, in Fl Lond. ed. 2. (with a figure.) Hook. 

 Fl Scot. P. II. p. 140. Am. Disp. Muse. p. 40. 



Bartramia crispa. Brid. Muse. v. 2. P. III. t. 1. / 4. Turn, in 

 Ann. ofJBot. v. \. p. 527. Engl. JBot. t. 1526. Schwaegr. Suppl. v. 

 1. P. II. p. 146. t. 59. Funck, Deutschl. Moose, t. 24. / 2. 



HAB. Heaths and dry banks. (3. principally in subalpine 



countries. 



Of this species, the stems are extremely variable, from half 

 an inch to three or four inches in length. In the largest state, 

 it becomes the JB. crispa of many authors ; but we must con- 

 fess, that, except in this particular, and the longer and more 

 crisped leaves, we perceive no difference between this and 

 the more usual appearance of the plant ; hence we are disposed, 

 as Mohr, and the Editor of the last edition of Flora Londinen- 

 sis have done, to consider them only varieties. Schwaegrichen 

 has represented the leaves of the var. a. broader and shorter, 

 and less serrated than our specimens exhibit them. 

 2. J5. ithypliylla ; stems short, leaves rigid erecto-patent subulato- 

 setaceous almost entire, the nerve half way up passing into 

 the substance of the leaf straight when dry, fruitstalks much 

 elongated. (TAB. XXII.) 



Bartramia ithyphylla. Brid. Muse. v. 2. ' t. I./. 6. Engl Bot. 

 t. 1710. Schwaegr. Suppl v. 1. P. II. p. 51. t. 60? Moug. et 

 Nestl. n. 622. Hook. Fl Scot. P. II. p. 140. Holson, Brit. Mosses, 

 v. 2. f n. 53. Funck, Deutschl. Moose, t. 24. / 4. Drumtnond, Muse. 

 Scot. v. 1. n. 66. Arn. Disp. Muse. p. 40. 



HAB. Dry banks in mountainous situations. Very fine 



among the Clova mountains, Scotland. Mr. Drummond. 



Stems generally about half an inch long, growing, as in all 



the species of this genus, in a tufted manner. Sometimes the 



plants have proliferous shoots, which cause the fruitstalks to 



appear lateral. Its straight and rigid leaves, and their more 



glaucous colour, will, even at first sight, distinguish this from 



the small varieties of B.pomiformis, and on a closer examination, 



a still greater difference may be discovered in their structure. 



They are very narrow, scarcely at all serrated, and only towards 



K 



