PTERYGOPHYLLACE&] i9$ \_Daltonia. 



mitriform, fimbriate. Capsule very small, with a large rostrate lid, the 

 seta often papillose. Teeth of peristome lanceolate-subulate, inner of 

 1 6 narrow processes Der. after Rev. J. Dalton. 



DALTONIA SPLACHNOIDES (Sm.) Hook. Tayl. 



Autoicous ; stems tufted, with fastigiate branches ; leaves crowded, 

 erecto-patent, linear-lanceolate, acuminate, with a thickened border ; nerve 

 vanishing below apex. Capsule oval-oblong, suberect on a roughish seta, 

 the teeth long, lanceolate-subulate, inner as many subulate processes. 

 (T. CXIX, C.) 



SYN. ./WcAmi splachnoides (non SCHWAEG.) SM. Eng. Bot. t. 2564. 



Daltonia splachnoides HOOK. TAYL. Muse. Brit. 80, t. 22 (1818). BRID. Bry. univ. ii, 255 

 (1827). SCHWAEG. Suppl. Ill, P. II, t. 295 (1829). BR. Sen. Bry- Eur. fasc. 4445, t. I 

 (1850). SCHIMP. Synops. 478 (1860), 2 ed. 580. C. MUELL. Synops. ii, 17 (1851). WILS. 

 Bry. Brit. 418, t. 22 (1855). BERK. Handb. Br. m. 66, t. 3 (1863). HOBK. Synops. 184 

 (1873). HUSN. Muse. Gall. 295, t. 8l (1892). Dix. JAMES. Stud. Handb. 363 (1896). 

 LIMPR. in RABENH. D. kr. fl. Laubm. ii, 723 (1895). 



Hookeria splachnoides HOOK, in Brit. Fl. ii, 74 (1833). TAYLOR in MACK. Fl. Hib. P. 2, 

 P- 37 (1836). 



Autoicous and synoicous ; the plants very small, in deep green tufts, 

 the stems creeping, with short erect branches. Leaves crowded, erecto- 

 patent, octofarious, spreading on all sides, linear-lanceolate, acuminate, 

 acute, with a narrow thickened border ; nerve single, channelled, vanishing 

 below apex ; cells narrow, rhomboidal, below longish hexagonal, 3 4 

 basal rows quadrate, brown,, the border of 2 5 rows of very narrow 

 linear cells. Perich. bracts small, ovate acute ; seta purple, papillose above ; 

 capsule very small, erect, brown, longish oval, finely papillose ; calyptra 

 mitriform, smooth, fringed with long linear processes ; lid yellow, with 

 a long straight beak ; peristome white ; teeth long and narrow, connivent 

 when dry, recurved when moist, papillose, inner of same length, the pro- 

 cesses very narrow and subulate, cilia none. 

 HAB. Wet shady rocks, among hepatics and other mosses ; rare. Fr. 910. 



Secawn mountain, Dublin (Taylor). Tore mountain and Cromaglown, Killarney (Wilson 

 1029) ! ! Brandon mountain (Moore). 



This little moss grows in small scattered tufts, and, except when in fruit, may 

 be easily overlooked ; its pale peristome then readily catches the eye. It is also 

 found in the West Indies and Mexico, but not on the Continent of Europe. Nearly 

 300 species are referred to this genus. 



Pter ySphyllm lucens (Saltburn, R. Barnes). B. Cyclodictyon late-virens 



le cave, Cvmow). C. Daltonia splachno.des (Killarney, Holt). 



' J' ^ af ' Ia< Apex " Ib " Base - 2 - Peri <*. ^act. 3. Male infl. 



anthend,a. S . Capsule. 6. Calyptra. 8. Peristome. pc. Perichartium. 



