382 Proceedings of the Royal Iri^h Academy. 
22. T. ruralis (Linn.).— Muscol. Hib., p. 50. Muscol. Brit., p. 56. 
JBiyoLBrit., p. 134, tab. 12. De Kotr,, Syllab, I^o. 217. Muse. 
Ital. I, p. 35, tab. 14. Barbula ruralis, Bryol. Europ., vol. i. 
Monogr., p. 42, tab. 152. Bryum rurale, Linn., Sp. Plant, 1, 
Ed. 2, p. 1116. 
Hab. Roofs of tliatcbed cottages, walls and rocks. A common 
Moss in every part of Ireland, growing sometimes very large, 
and varying in size and appearance according to the nature 
of the place where it grows. 
23. T. intermedia (Bridel). Rabenhor., Bryothec. Europ., '^o. 1016. 
T. ruralis, h. crinita. De ^^otr., Syllab., No. 217. T. 
ruralis, ^. minor. Wils., Bryol. Brit., p. 134. Barbula ru- 
ralis, /3. riipestris, Bryol. Europ., vol. ii. Monogr., p. 43. 
Schimp., Synop. Muscor., p. 192. Syntrichia intermedia, 
Brid., Bryol. Univ. 1, p. 586. 
Hab. On rocks and walls. A plant agreeing with the character 
given for this species grows on the limestone rocks at Castle 
Taylor, Galway. 
24. T. papulosa (Wils.). Bryol. Brit., p. 135, tab. 44. Lindberg, 
Europ. Trichost., p. 36, ]^o. 23. Barbula papillosa. Ra- 
benhor., Bryothec. Europ., I^o. 455. 
Hab. On the trunks of trees. On old elm trees in Botanic Gar- 
den, Glasnevin ; Sheephill demesne, Dublin ,* Powerscourt, 
Co. "Wicklow ; Castle Taylor, Galway. Probably not rare 
elsewhere in Ireland. 
25. T. princeps (De E"otr.). Syllab., E'o. 216. Muse. Ital., 1, p. 33, 
tab. 13 Rabenhor., Bryothec. Europ., JN'o. 326. T. Miilleri, 
"Wilson, Bryol. Brit., p. 34, tab. 44. Barbula, Miilleri, Bryol. 
Europ., vol. II. Monogr., p. 44, tab. 168. 
Hab. Rocks and walls. On the basaltic rocks in Deer Park, Glen- 
arm, county of Antrim. Limestone rocks at Benbulben, 
Sligo. Rare in Ireland. 
26. T. tortuosa (Hedw.). Eil. in Web. et Mohr, Beitr. 1, p. 125, 
tab. 6. Del^otr., Syllab., JS[o. 243. JMusc. Ital., 1, 66, tab. 39. 
MuscoL Hib., p. 52. Muscol. Brit., p. 59. Bryol. Brit., p. 
125, tab. 12. Barbula tortuosa, Br. et Schimp., Bryol. Europ., 
vol. II. Monogr. 56, tab. 151. 
Hab. Rocks and banks chiefly in limestone districts. This moss 
sometimes grows to a large size, in which state it seldom bears 
fruit. The fruiting plants are generally of a small or medium 
size. 
