130 ACOTYLEDONS.- — Musci. JVeissia. 



Hab. Mountains. Trunks of trees on the ascent of Cairn Gonftn, 

 Rocks, D. Don. Lowlands, Mr. Mackmj. 



16. WEISSIA. 

 Truitstalks terminal. Peristome single of 16 entire eqnidistant 

 teeth. Co/y/;/ra dimidiate. Muse. Brit. p. 42. t. 2. 

 * Capsule with an apojihijsis. 



1. W. splachnoides, leaves lingulate rounded at the top their 

 nerve disappearing below the summit, capsule obovate, apo- 

 physis obconical, lid convex acuminuhue. Miisc. Brit. p. 42. 

 t.U. 



Hab. Turf bogs on the Scotch Alps, Dicks. Ben Lawers, G. Don. 

 Sparingly on Ben Lomond, D. Don. 



2. W. Templetoni, leaves ovato-lanceolate acute, capsule (with 

 the apophysis) narrowly pyriform^lid nearly plane. Muse. Brit. 

 p.42.t.U. 



Hab. Oozy, shaded rocks, in Lorn and Appin, Copt. Carmichael. 



** Capsule destitute of an apuplujsis. 

 t Leaves nerveless. 



3. W. nuda, stems scarcely any, leaves ovato-lanceolate nerve- 

 less, capsule ovate gibbous on one side cernuous. Muse. 

 Brit. p. 43. /. 14. 



Hab. Clayey places ; banks of the Tay, near Perth, G. Don. 

 ft Leaves furnished with a nerve. 

 ■+- Leaves ovate or lanceolate. 



4. W. nigrita, stems elongated, leaves lanceolate acuminated, 

 capsule obovate cernuous gibbons sulcate, lid hemisphaerical 

 obtusely pointed. Miisc. Brit. p. 43, /. 14. 



Hab. Moist banks. In the Highland mountains, frequent, G. and 

 D. Don. 



5. W. lanceolata, stems somewhat elongated, leaves ovate with 

 an excurient nerve almost piliferous, capsule ovate, lid oblique- 

 ly rostrate. Muse. Brit. p. 44. t. 14. 



Hab. Wall-top at Kirkliston, Mr. Arnott. 



-(--t- Leaves linear or subulate. 



6. W. striata, leaves linear denticulate crisped when dry cap- 

 sule ovato-turbinate sulcate erect, lid obliquely subulate. 

 Muse. Brit. p. 45. t. 15. 



Hab. Ben Voirlich, Mr. Arnott. Moist fissures of rocks in Lorn, 

 Capt. Carmichael. Mountains of Angus-shlrc, Sec, G. Don. 



7. W. cirratu, leaves broadly subulate crisped when dry, their 

 margins recurved, capsule ovate, lid rostrate. Muse. Brit, 

 p. 4^. t. 15. Brijum eirrutum, Lighlf. p. 728. 



Hab. Posts, rails, rocks, and even trees. 



8. W. airvirostra, leaves linear-subulate, capsule ovato-cylin- 

 draceous, lid rostrate, Muse. Brit. p. 46. /. 15. 



