150 ACOTYLEDONS. Musci. Bryum. 



-\ f- Leaves acuminate or acute. 

 Nerve of the leaf disappearing below the point. 



1 . Br. crudum, stems simple, leaves rigid lanceolate the upper 

 ones the narrowest and longest, all of them plane serrulate, the 

 nerve disappearing below the summit, capsule oblongo-subpyri- 

 form cernuous. Muse. Brit. p. 1 19. t. 28. Mnium crudum, 

 Light/, p. 712. 



HAD. Banks in mountainous situations, and the crevices of rocks. 

 Craig Lochart, Mr. Greville. Mountains of Angus -shire, and on 

 Ben Lawers, G. Don. Ben Voirlich, Mr. Arnott. 



8. Br. camejim, steins simple, leaves lanceolate reticulated 

 slightly serrulated at the point, nerve disappearing below the 

 summit, capsule obovate pendulous. Muse. Brit. p. 1 19. /. 29. 



HAB. Banks. NearCollington, Mr. Greville. Angus-shire, frequent, 

 D. Don. Ditches, near Arlary, &c., Mr. Arnott. 



9. Br. nrgenteum, stems branched, leaves closely imbricated 

 broadly ovate suddenly and sharply acuminated subserrulate 

 very concave, nerve disappearing below the point, capsule 

 ovato-pyriform pendulous. Muse. Brit. p. 120. /. 29. Light/, 

 p. 735. 



HAB. On the ground, walls, roofs of houses, &c. 



10. Br. Zierii, stems branched, leaves closely imbricated more or 

 less broadly ovate acuminulate very concave reticulated entire, 

 nerve running nearly to the point, capsule clavate cernuous. 

 Muse. Brit. p. 120. /. 29. 



HAB. Highland mountains, not uncommon. Babbies' How, c., 

 Mr. Greville. Argyleshire, Capt. Carmichael. 



Nerve of the leaf reaching to the point or beyond it. 



11. Br. roseum, leaves obovato-spathulate acute serrated undu- 

 late, nerve running to the point, capsule oblongo-ovate pendu- 

 lous. Muse. Brit. p. 120. /. 29. 



HAB. Banks and woods. Braid Hermitage, and Auchindenny woods. 

 Lorn, Capt. Carmichae'. Fr. rare. 



12. Br. capillare, stems short, leaves obovate twisted when dry 

 mostly entire, their nerve produced into a hair-like point, their 

 margins slightly thickened, capsule oblong pendulous. Muse. 

 Brit. p. 121. f. 29. Light/, p. 737. 



HAB. Heaths, rocks, &c., frequent. 



13. Br. ccespititium, stems short, leaves ovate acuminated entire 

 or very obscurely serrated at the points, the margins slightly- 

 recurved, the nerve reaching to or beyond the point, capsule 

 between ovate and pyriform pendulous. Muse. Brit. p. 121. 

 t. 29. Light/, p. 736. 



a. major. Br. ccespititimn. Linn. 

 B. minor. Br. bicolor, Dicks. 



HAB. Banks, walls, and roofs, common, p. Argyleshire, <&c., Capt. 

 Carmichael. 



