152 DIPLOPERISTOMI. [Hypnum. 



I. Stems, (taken in conjunction with the leaves,} plane. 

 1. Capsules erect. 



1. ff. trichomanoides ; leaves broadly scymitar-shaped serrated at 



the point nerve reaching to the middle of the leaf, capsule 

 ovate erect, lid rostrate. (TAB. XXIV.) 



Hypnum trichomanoides. Schreb. FL Lips. Turn. Muse. Hib. p. 

 145. Smith, Fl. Brit. p. 1287. Engl Bot. t. 1493. Hook. FL Scot. 

 P. II. p. 141. Hobson, Brit. Mosses, v. 1. n. 64. Drummond, Muse. 

 Scot. v. 1. n. 73. Am. Disp. Muse. p. 58. 



Leskea trichomanoides. Hedw. Moug. et Nestl. n. 139. Funck, 

 Deutschl. Moose, t. 35. / 2. Brid. Meth. p. 143. Schwaegr. Suppl 



v. 1. P. //. p. 163 Dill. Muse. t. 34. / 8. 



HAB. Trunks of trees, not rare. 



The remarkable curvature of the leaf, which we have en- 

 deavoured to express by the word scymitar-shaped, is peculiar 

 to this species of Hypnum. 



2. H. complanatum ; leaves oblong apiculate entire nerveless, 



capsule ovate erect, lid rostrate. (TAB. XXIV.) 



Hypnum complanatum. Linn. Sp. PL p. 1588. Turn. Muse. Hib. p. 



144. Smith, Fl. Brit. p. 1286. Engl. Bot. t. 1492. Hook. FL Scot. P. II. 



p. 141. Hobson, Brit. Mosses, v. I. n. 65. Drummond, Muse. Scot. 



v. 1. n. 72. Am. Disp. Muse. p. 58. 



Leskea complanata. Hedw. Moug. et Nestl. v. 328. Funck, Deutschl. 



Moose, t. 35. f. 1. Schwaegr. Suppl. v. 1. P. II. p. 163. Brid. Meth. 



p. 143 DHL Muse. t. 34. / 7. 



HAB. Trunks of trees, common. 



This elegant species, as well as the preceding, as we have 

 already intimated, comes very nearly in habit to the Neckerce, 

 particularly to N. pumila. 



2. Capsules cernuous or inclined. 



3. H. riparium; leaves ovato-lanceolate acuminated entire the 



nerve reaching almost to the summit, capsule oblong cernu- 

 ous, lid conical. (TAB. XXIV.) 



Hypnum riparium. Linn. Sp. PI. p. 1595. Hedw. St. Cr. v. 4. t. 

 3. Turn. Muse. Hib. p. 152. Smith, FL Brit. p. 1292. Engl. Bot. 

 t, 2060. Hook. FL Scot. P. II. p. 141. Hobson, Brit. Mosses, v. 1. 

 n. 66. Funck, Deutschl. Moose, t. 37. / 4. Brid. Meth. p. 157. 



