Timmia.] DIPLOPERISTOMI. 191 



Switzerland, where it grows along with the Linncea borealis, 

 bearing fruit in autumn. It is readily distinguished from H. 

 molluscum, not only by its much larger size, and more regularly 

 pectinated stems, but by the strongly striated leaves. 

 67. H. molluscum ; stems pectinated, leaves falcato-secund cor- 

 date much acuminated serrated not striated faintly two-nerved 

 at the base, capsule oblongo-ovate curved ceruuous, lid 

 conical. (TAB. XXVII.) 



Hypnum molluscum. Hedw. St. Cr. v. 4. t. 22. Turn. Muse. ffib. 

 p. 198. Smith, Fl Brit. p. 1335. Engl Bot. t. 1327. Moug. et 

 Nestl. n. 141. Funck, Deutschl Moose, t. 50. /. 71. Hook. Fl. Scot. 

 P. II. p. 148. Hobson, Brit. Mosses, v. 1. n. 96. Drummond, Muse. 

 Scot. v. 1. n. 96. Schwaegr. Suppl. v. 1. P. II. p. 293. Brid. Meth. 

 p. 111. Am. Disp. Muse. p. 69. 



Hypnum Crista-castrensis. Dicks. DM. Muse. t. 36. / 20. 

 HAB. On the ground, common. 



This has been taken even by some of our British Botanists 

 for the preceding, but not by Dillenius, as Sir James Smith 

 supposed. His figures, both A. and B. belong truly to our 

 present plant. 



XXXIV. TIMMIA. 



GEN. CHAR. Fruitstalks terminal; Peristome double; the 

 exterior of 16 teeth, the interior a plicated membrane, 

 cut into 32 equal cilice, variously united at the base by 

 transverse bars and frequently cohering at the points. 

 Calyptra dimidiate. ( SUPPL. TAB. VI.) 



1. T. megapolitana. ( SUPPL. TAB. VI.) 

 . Capsule inclined. 



Timmia megapolitana. Hedw. Sp. Cr. v. 1. t. 31. Schwaegr. 

 Suppl v. 1. P. II. p. 84. Funck, Deutschl Moose, t. 28. n. 1. 

 Schwaegr. in Franklin's Journ. App. p. 756. 



Timmia polytrichioides. Brid. Meth. p. 122. Arn. Disp. Muse. p. 48. 

 Timmia cucullata. Michaux. Fl. Bor. Am. v. 2. p. 304. (with the 

 calyptra persistent upon the fruitstalk.J 

 0. Capsule cernuous. 



Timmia austriaca. Hedw. Sp. Muse. p. 176. t. 42. / 1 7. 

 .Schwaegr. Suppl v. I. P. II. p. 84. Funck, Deutschl Moose, t. 28. 

 n. 2. 



