TortulacEjE.] 224 [Tortula. 



Autoicous; in wide lax deep green tufts i in. high, subpulvinate, 

 with dense rufous tomentum, dichotomously branched. Leaves patent, 

 more or less recurved above, oblong or obovate-spathulate, the apex 

 rounded and emarginate, not bordered, or with a yellowish border of 

 rounded-hexag. pachydermous cells ; nerve rufous, excurrent in a 

 smooth or slightly denticulate, reflexed hyaline arista ; basal cells lax, 

 hexagonal, pellucid, upper minute, opake, finely papillose, margin plane 

 above, slightly recurved below ; perich. bracts more acuminate. 

 Caps, on a stout purple seta, oblong or cylindraceous, slightly curved, 

 pachydermous, deep brown, ann. double, lid paler, elongate conic, per. 

 pale red, contorted, tubular in the lower third. 



Male infl. axillar, sessile on a short branch, gemmiform, bracts 

 ovato-acuminate. 



Hab. — Trunks of trees and rails, not uncommon ; sometimes on rocks. 

 Fr. 5—6. 



In appearance intermediate between the T. ruralis and T. mumlis var. /8., 

 from the former it is known by the smooth arista, brighter green colour and 

 larger areolation, from the latter by the tubular peristome. 



T. Icevipiliformis De Not. is a variety with the leaf distinctly bordered ; 

 Barbula pagorum Milde, a smaller obtuse leaved form, bearing numerous 

 oblong, pointed gemmae in the axils of the leaves. 



19. TORTULA MONTANA {Nees) Lindb. 



Dioicous; densely pulvinate, dull green. Leaves erecto-patent, 

 oblongo-spathulate, plane, obtuse, with a rough arista, densely areo- 

 late. Caps. subcyHndric, tube of per. short. (T. XXXIII, A.) 



Syn. — Synirichia montana Nees Flora ii, P. I, 301 (i8ig). 



Syntrichia intermedia Beid. Bry. univ. i, 586 (1826). Juratz. Laubm. oester.-ung. 144 

 (1882). 



Tortula ruralis S. crinita De Not. in Mem. ac. Torin. xl, 291 (1838), Syllab. 171 (1838), 



Muse. ital. I, 36, t. 15 (1862). 

 Barbula ruralis p. rupestris Be. Schimp. Bry. eur. fasc. 13—15, p. 43 (1842). C. Muell. 



Synops. i, 640 (1849). Schimp. Synops. 192 (i860). Husn. Mouss. nord-ouest 87 



(1873). ' 



Tortula ruralis ji. minor WiLS. Bry. brit. 134 (1855) ; et Var. rupestris WiLS. in Suppl. 

 Tortula intermedia Berk. Handb. br. m. 251 (1863). Lindb. de Tort. 246 (1864). De Not 



Epil. bri. ital. 540 {1S69). Hobk. Syn. br. m. 71 (1873). 

 Barbula intermedia Milde Bry. siles. 129 (iS6g). Schimp. Synops. 2 ed. 229 (1876). 

 Tortula montana Lindb. Muse, scand. 20 (1879). 



Dioicous; densely c^spitose, dull green and canescent above, 

 fuscous below ; stems short, dichotomous, fastigiate. Leaves crowded, 

 erecto-patent, a little recurved at apex, appressed and scarce curved 

 when dry, oblongo-spathulate, rounded or emarginate at apex, concave 



