26 MUSGL [Zygotrkhia. 



5. T. ruralis, Swartz. Leaves ovato-oblong, keeled, patent, 

 recurved, their nerve excurrent into a long diaphanous point : 

 capsule cylindrical, erect, slightly curved; lid subulate; the pe- 

 ristome tubular beneath. Swartz. Muse. Suec. Muse. Brit. ed. 

 2,p.56,t. 12. 



On the ground, on walls, and on trees ; common. 



6. T. subulata, Hedvv. Stems short ; leaves erecto-patent, 

 oblongo-lanceolate, apiculated, their margins plane ; capsule 

 cylindrical, erect, slightly curved ; lid subulate, peristome tubu- 

 lar below. Hedw. Sp. M.p. 122, t. 27. Musc.Brit. ed. 2,p. 57, 1. 12. 



On banks and walls ; not uncommon. 



7. T. unguiculata, Hook, and Taylor. Stems elongated ; 

 leaves oblongo-lanceolate, obtuse, apiculated, their margins 

 slightly recurved ; capsule oblongo-ovate ; lid long, rostrate. 

 Muse. Brit. ed. 1, p. 33, ed. 2, p. 57, t. 1 2. Barbula unguiculata, 

 Hedtv. St. Cr.v.l.t. 23. 



On banks and hedges ; common. 



8. T. cuneifolia, Turner. Stems very short; leaves broadly 

 obovate, slightly concave, their nerve excurrent into a rigid 

 point; capsule oblong; lid with a short beak. Tarn. 3tusc. 

 Hib.p. 51. 3Iusc. Brit. ed. 2, p. 59, t. 12. 



On ditches near Bantry, Miss Hutchins ; rare. 



9. T. tortuosa, Hedw. Stems elongated ; leaves patent, 

 lineari-subulate keeled, waved, crisped when dry ; capsule cy- 

 lindrical ; lid with a long beak. Hedtv. Sp. Muse. p. 124. 

 Muse. Brit. ed. 2, p. 59, t. 12. 



On limestone ; common. 



10. T.fallax, Swartz. Stems elongated; leaves lanceolate, 

 acuminated, keeled, patent or recurved, their margins reflexed ; 

 capsule oblong; lid with a long beak. Sw. Muse. Suec. p. 40. 

 Muse. Brit ed. 2, p. 59, t. 12. 



In fields, on ditches and walls ; common. 



11. T. gracilis, Hooker and Greville. Stems elongated; 

 leaves lanceolato-acuminate, erect, rigid when dry, very straight, 

 their margins recurved ; capsule oblongo-ovate ; lid rostrate, 

 short. Hook, and Grev. in Brewst. Journal, v. 1, p. 300. 

 Muse. Brit. ed. 2, p. 61, Supp. t. 2. 



Near Cork, Mr. James Drummond ; very rare. 



19. Zygotrichia, Bridel. 



Seta terminal. Peristome of 32 teeth in pairs, spirally twisted 

 above, below united by transverse processes. Calyptra di- 

 midiate. Bridel Bryoloo. Univ. v. 1, p. 521. 



1. Z. cylindrica. Stems erect, branched ; leaves lanceolato- 



