14. MUSCL 359. Weissia. 
733 
Pl.oell.fol. 
Bryum pilosum, sphagni subulati facie, Villen. Muse. 374. 
Weissia acuta, Hedw. Crypt. 3, 35. 
Weissia rupestris, Hedw. S. Muse. 14. 
Bryum vertieillatum, Lightfoot Scot. 733. 
Bryum acutum, Hudson Angl. 484 ; Dickson Crypt. 17, 20, 
Bryum splachnoides, Dickson Crypt. 
Bryum fulvellum, Dickson Crypt. 4, 11. 
Dicranuin fulvellum, Engl. Bot. 226S. 
Grirnmia acuta, Turner M.Hib. 29; Engl. Dot. 1644. 
On alpine rocks. 
XVIII. 360. DICRANUM. Hedwig. Fork-moss . 
Capsule valveless, pedicelled ; pedicells mostly terminal ; 
peristome single, toothed ; teeth 16, mostly two-cut, equi- 
distant ; calyptra halved. 
A. Leaves in two rows. Fissidens. 
1. Dicranum hryoides. Bryumlike fork-moss . 
Peduncles terminal ; perichetial leaves resembling the 
stem-leaves. 
Hypnum repens filicifolium non ramosum, pediculis brevioribus, versus 
foliorum summitatem egredientibus, Raii Syn. 88,42. 
Hypnum bryoides, Lin.S.P. 1588. 
Bryum viridulum, Lin. S. P. 1584. 
Dicranum bryoides, Swartz M. Suec. 2, 4 ; Engl. Bot. 625. 
Fissidens bryoides, Hedwig Crypt. 3,29. 
Dicranum viridulum, Swartz M. Suec. 2, 3 ; Engl. Bot. 1368, 
Fissidens exilis, Hedw. S. Muse. 38. 
Dicranum osmundioides, Turner M. Hib. 55; Engl. Bot. 1662= 
Fissidens osmundioides, Hedw. S. M. 40. 
Hypnum asplenioides, Dickson Crypt. 2,5. 
Grimmia viridula, Roth Germ. 3, 141 ? 
Dicranum paucifolium, Withering Arr. 814. 
On moist banks and in woods. 
/3. nutans. Capsule drooping. 
Dicranum tamarindifolium, Turner M. Hib. 55. 
Dicranum incurvum, Mohr. 
Fissidens incurvus, Schwcegr. Supp. 49. 
Fissidens palmatus, Hedw. Crypt. 3, 30. 
Fissidens iongifolius, Sridel. 
2. Dicranum adiantoides. Adiantumlike fork-moss. 
Peduncles lateral; perichetial leaves ovate, slightly con- 
volute, pointed. 
Hydnum erectum filifolium ramosum pinnulis acutis, Raii Syn. 87,39. 
Hypnum adiantoides, Lin. S. P. 1588 ; Engl. Bot. 264. 
Dicranum adiantoides, Swartz M. Suec. 31. 
Fissidens adiantoides, Hedw. Crypt. 3, 62. 
Fissidens taxifolius j8, Wahlenb, Lapp. 
On wet banks and bogs. 
