32 musci. 



[Bryum. 



broadly ovate, acuminulate, subserrulate, very concave, their 

 nerve not quite percurrent; capsule pyriform, pendulous. 

 Linn. sp. plant, p. 1386. Muse. Brit. ed. I, p. 199, t. 29. 



On walls and roofs ; very common. The upper part of the leaves 

 are thin and colourless, hence the stems assume a silvery appear- 

 ance. 



7. B. Zierii, Dickson. Leaves closely imbricated, broadly 

 ovate, acuminate, concave, reticulated, entire, their nerve not 

 quite percurrent ; capsule long, clavate, cernuous. Dicks. Or'. 

 Fase. 1, t. 4, /. 10. Muse. Brit. ed. 2, p. 199, t. 29. 



On Brandon Hill, County Kerry : on the highest of our mountains 

 only. 



8. B. capillare, Linnaeus. Leaves ovate, twisted when dry, 

 entire, their nerve excurrent into a hair-like point, slightly mar- 

 ginate; capsule oblong, pendulous. Linn. sp. pi. p. 1586. 

 Muse. Brit. ed. 2, p. 200, t. 29. 



On walls and banks ; very common. 



9. B. ccespititium, Linn^us. Stems short; leaves ovato- 

 acuminate, nearly entfre, their margins slightly recurved, their 

 nerve excurrent ; capsule pyriform, pendulous. Linn. sp. pi. 

 p. 1586. Muse. Brit. ed. 2, p. 201, t. 29. 



On banks, walls, and roofs ; very common. A very variable 

 species. 



10. B. turbinatum, Swartz. Leaves ovato-acuminate, nearly 

 entire, their margins slightly recurved, their nerve excurrent; 

 capsule elongato-pyriform, pendulous. Sivartz Muse. Suec.p. 49 . 

 Muse. Brit. ed. 2, p. 202, t. 29. 



Bogs, near Dublin ; rather rare. 



11. B. nutans, Schreb. Stems short; leaves erect, lan- 

 ceolate, acuminate, serrated, their nerve percurrent; capsule 

 oblongo-pyriform, pendulous. Schreb. Fl. Lips. p. 81. Muse. 

 Brit. ed. 2, p. 203, t. 29. 



On rocks and stones. 



12. B. elongalum, Dickson. Stems short; leaves erect, 

 elongato-lanceolate, acuminated, serrated, their nerve percur- 

 rent; capsule elongato-clavate, not quite pendulous. Dicks. 

 Fasc. 2, p. 8. Muse. Brit. ed. 2, p. 204, t. 30. 



On subalpine mountains : not rare. 



13. B. alpinum, Linnaeus. Stems rigid ; leaves imbricated, 

 erect, lanceolate, somewhat obtuse, subserrulate, their margins 

 revolute, their nerve percurrent, capsule oblongo-ovate, pen- 

 dulous. Linn. Mant. v. 2, p. 309. Muse. Brit. ed. 2, p. 205, 

 t. 28. 



On wet rocks in the mountains ; common. The purple colour of 

 its shining rigid leaves is characteristic. 



