125 ACOTYLEDONs. — Musci. Cmclidotus, 



entire terminating in a pellucid hair-like point, capsule ovate 

 obtusely quadrangular furnished with an apophysis^ lid conical. 

 Muse. 'Bnt. p. 24. /. 10. 



Hab. Heaths. 



4. P. y'wn/per?';??/??/, leaves lanceolate -subulate their margins invo- 

 lute entire their points acuminated coloured subserrated, cap- 

 sule ovate obtusely (juadrangular furnished- with an apophysis, 

 lid conical. Muse. Brit, p, 25. /. 10. 



IIab. Heathy places. 



.5. P. septenlrlonale, leaves lineaii-subulate obtuse their margins 

 esj^ecially towards the top involute subserrulate, capsule ovate 

 subangulate furnished with a minute apophysis, lid conical 

 acuminate. Muse. Brit. p. 25. t. 10. 



Hau. Highest summit of Ben Nevis. On Ben Lomond, rare. 

 ■\\ Leaves serrated, iJtelr margins plane. 



G. P. commune, stems elongated, leaves patent lineari-subulate 

 their margins ])lane serrated as well as the points of the keels, 

 capsule erect ovate quadrangular with an evident aj)ophysis. 

 Muse. Bnt. p. 26. t. 10. Ughtf. p. 698. 



Hab. Heaths, in dry and wet places, varying much in size according 

 to its place of growth. 



7. P. alpinum, stems elongated branched, leaves patent subulato- 

 lanceolate the margins plane serrated as well as the points of 

 the keels, capsule sub-ovate with an indistinct apophysis. 

 Mu^c. Brit. p. 27. /. i 1. Lii^hlf. p. 703. 



Hab. rvlountain.s, in rather elevated situations. 



8. P. uruigeru7n, stems elongated branched, leaves erect patent 

 lanceolate acute their margins plane serrated, capsule erect 

 cylindrical destitute of an a])ophysis. Muse. Brit. p. 27. t. 1 1. 

 Light/, p. 703. 



Hab. Hilly places. In the Highlands, frequent. 



y. P. alcides, stems short, leaves linear-lanceolate obtuse their 

 margins plane serrated principally at the extremity and at the 

 summit of the keels, capsule nearly erect cylindrical without 

 an apophysis. Muse. Brit. p. 2S. /. II. 



Hab. Moist shady banks, abundant. 



10. P. )iamnn, stems short, leaves linear-lanceolate obtuse 

 their margins serrated principally at the extremity as well as 

 the summit of the keels, capsule nearly erect subglobose. 

 Muse. Brit. p. 28. /. 1 1. Liglitf. p. 701. 



Hab. Moist banks, often with P. aloidcs, from which it is only distin- 

 guishable by the rounder ca/)s«^e«. 



11. CI?^CLIDOTUS. 

 F/7//7.9^fl/^'5 terminal. Peristome ^m^c, of 32 filiform, twisted 

 teeth, anastomosing at their base. Calypira mitriform. 

 Mmc. Brit. p. 29. /. 1. 



