Pl. cell. fol.. 14, MUSCI. 355. Tortula. 725 
aca unguiculatum et barbatum, tenuius et stellatum, Dillen. Musc. 
Beas tenue barbatum, foliis angustioribus et rarioribus, Dillen. Musc. 
Barbula unguiculata, Hedw. Crypt. 1, 23. 
Tortula mucronulata, Swartz Musc. Suec. 40; Engl. Bot. 1299. 
Tortula aristata, Engl. Bot. 2392. 
Bryum aristatum, Dicks. Crypt. 
Tortula barbata, Engl. Bot. 2391. 
Tortula humilis, Turner M. Hib. 45; Engl. Bot. 1663. 
Tortula apiculata, Turner M. Hib. 46; Engl. Bot. 2494. 
On banks and hedges. 
11. Tortula convoluta. Rolled screw-moss. 
Stem short; leaves oblong, rather blunt; main rib not 
prolonged ; edge flat or only slightly bent; perichetial leaves 
sheathing, pointed, rolled up; capsule oblong; lid beaked. 
Bryum trichoides exile pallidum, erectis capitulis e surculis annotinis 
egredientibus, Rati Syn. 96, 24. 
Tortula convoluta, Swartz M. Suec: 41; Engl. Bot. 2382. 
Bryum convolutum, Dicks. Crypt. 2, 6. 
Barbula convoluta, Hedw. Sp. Musc. 120. 
Bryum setaceum, Huds, Angl. 481. 
On heaths, banks, and walls. 
XIV. 356. ENCALYPTA. Hedwig. Extinguisher-moss. 
Capsule valveless, pedicelled, pedicel/s terminal; peri- 
stome single, toothed ; teeth 16; calyptra bellshape, smooth, 
entirely enclosing the ripe capsule. 
1. Encalypta streptocarpa. Streak-fruit extinguisher-mioss. 
Siem long; leaves elliptical, lanceolate, rather blunt, 
main rib not prolonged; capsule. cylindrical, streaked, spi- 
rally; calyptra toothed at the base. 
Hypnum saxatile, erectum, ramulis teretibus, foliis subrotundis satu- 
rate viridibus, Dillen Muse. 335. 
Encalypta streptocarpa, Hedw. Sp. Musc. 62; Engl. Bot. 2163. 
Bryum ciliare, Dicks. Crypt. 4, 15. 
On stony mountains. 
2. Encalypta vulgaris. Common extinguisher-moss. 
Stem short; leaves oblong, elliptical, blunt; main rib 
prolonged slightly; capsule cylindrical, smooth; calypira 
not toothed at the base. 
Bryum erectis capitulis calyptra laxa conica, foliis serpylli pellucidis 
angustioribus, Raii Syn. 92, 4. 
Bryum extinctorum, Lin. S. P. 1581; Engl. Bot, 558. 
Encalypta vulgaris, Hedw. Spec. 60. 
Encalypta extinctoria, Swartz M. Suec. 24. 
Leersia vulgaris, Hedw. Crypt. 1,18. 
On banks, limestone-rocks, and walls; annual; April. 
