Tortula.] -MUSCI-ACROCARPI-PERISTO.MI. 45 



On walls and stones, very frequent. Fr. April. — An annulus is 

 present at the mouth of the capsule of this species. 



7. T. ruralis, Sw. (great hairy Screiv-Moss) ; stems elon- 

 gated, leaves ovato-oblong keeled patent recurved, the nerve 

 ending in a long point, capsule cylindrical erect slightly curved, lid 

 subulate, lower half of the peristome tubular as far as the 

 middle. — a. vulgaris; leaves rather acute, the hair-like points 

 generally scabrous. T. ruralis, Sir. Muse. Suec. — Turn. Muse. 

 Hib.p.'bO. Fl. Brit. p. 1254. E. Bot t. 2070. Schwaegr. 

 Suppl. r. 1. p. 137. t. 34. Hobs. Br. Mosses, v. 1. n.2'2. Drum. 

 Muse. Scot. v. 2. n. 18. Muse. Brit. ed. 2. p. 56. — Syntrichia 



ruralis, Brid. — Barbula ruralis, Hedw. Sp. 3Iusc. p. 121 



Br yum r urate, Linn — Dill. Muse. t. 45. f. 12. — 3. hcvipila; leaves 

 more obtuse contracted in the middle, hair-like point generally 

 smooth. Syntrichia IcevipUa, Brid. — Schwaegr. Suppl. 2. P. 1. 

 p. 66. t. 120. 



Roofs of houses, especially such as are thatched with straw ; on walla 

 and on the ground, rarely on trees. /3. On clay-slate, near Truro, Rev. 

 J. S. Tozer. Fr. April. — Mr. Lyell finds in Hampshire and Mr. Wil- 

 son at Finlarig, Perthshire, a variety growing on trees (especially the 

 Sycamore), in which the nerves are gemmiferous, the genuncc clothing 

 the upper-side of the nerve, near the middle of the leaf, of a roundish 

 or oblong form, green, reticulated ; the nerve, however, is by no means 

 so dilated as that of the gemmiferous Gymnostomum oval inn. 



8. T. subuldta, Hedw. (awl-shaped Screw-Moss) ; stems 

 very short, leaves erecto-patent oblongo-lanceolate apiculated 

 the margin plane, capsule cylindrical erect slightly curved, lid 

 subulate, peristome tubular almost to the extremity. — a. leaves 

 acuminated. T. subuldta, Hedw. Sp. Muse. p. 122. t. 27, Turn. 

 Muse. Hib.p. 44. Fl. Brit. p. 1255. E. Bot. t. 1 101. Schwaegr. 

 Suppl. v. 1. /;. 135. t. 38. Hobs. Br. Mosses, v. 1. n. 23. Drum. 



Muse. Scot. r. 2. n. 21. Muse. Bnt. ed. 2. p. 57. t. 12 



Barbula subul. Moug. <t NestL n. 126. — Syntrichia subul. 



Mohr. — Ihyum subulutum, Linn. — Dill. Muse. t. 45. /'. 10. — 



o. leaves oblong obtuse with a mucro. 



Hanks and shady places, abundant. 0. Now Forest, Hants ; ('. Lyell, 



Esq. Fr. Due. — The hares are >oine\\hat succulent, pellucid and reti- 

 culated in their lower half, curie, I when dry. The peristome is a bright 

 red twisted tube, the teeth, or cilia, live only at the end, where they form 

 a twisted tuft. 



!). T. unguiculdta, Hook, ami Taylor, (SireTs-claw Screw- 

 Moss); >tenis elongated branched} leaves oblongo-lanceolate 

 Bubcarinated obtuse apiculated their margins slightly recurs ed, 

 capsule oblongo-ovate, lid Ion-- rostrate. Muse. lint. ed. 2. 



/f. . r )^. /. 12. Hobs. Br. \f08SeS; r. I. ,/. 24. Drum. Muse. Sent. 



r. 2. //. 25. — Baibula unguiculata, Hedw. .v. ( v. p. I. '. 23. 

 Schwaegr. Suppl. r. I. p. 123. Ihll. Muse, t 48. f. 48. 49.— 

 Barbula acumin <tn, //'die. Sp. Muse. p. I I". ''. 26. s //// 



Suppl. r. {.p. 123. -— it, it. mum. Sie. — / . Ildi.p. 47, 



/'/. /hit. p. 1250. /.'. Bot. t. 12!'!'. /. iftati II. I 



