82 THE SPHAGNACE& OR PEAT-MOSSES OF 



1 8. Sphagnum cuspidatum, Ehrhart. 



Pl. XXVI. AND XXVII. 



Dioicous ; very soft, in loose submersed or floating tufts, pale 

 or deep green. Stems slender, pale green ; the cuticular cells in 

 2-3 strata. Stem leaves ovate- oblong, broadly bordered with very 

 narrow elongated cells, hyaline cells of the upper half with 

 numerous spiral fibres. Branches divergent, not concealing the 

 stem ; the leaves narrowly lanceolate, laxly imbricated, flexuose 

 when dry. Spores ferruginous. 



Synon. — Sph. palustris mollis deflexi, squamis capillaceis var. fi.fluitans, Dill. 

 Hist. Muse. t. 32, fig. 2, b (1741), et Herbar. fol. 32, specimen on the right. 



Sph. cuspidatum, Ehrh. Dec. Crypt, n. 251 (1791). Roth. Fl. Germ. iii. p. 120 

 (1793). Hoffm. Deutschl. Fl. ii. p. 22 (1796). Smith, Fl. Brit. p. 1147 (1804); 

 Eng. Bot. t. 2092 (18 1 9). Turn. Muse. Hib. p. 6 (1804). Brid. Sp. Muse. i. 

 p. 17 (1806); Mant. Muse. p. 2 (1819), et Bry. Univ. i. p. 14 (1826). Web. Mohr, 

 Bot. Taschenb. p. 74, t. 6, f. 2 (1807). Schkuhr, Deutschl. Moose, p. 16, t. 7 (1810). 

 Schwagr. Suppl. I. pt. 1, p. 16, t. 6 (181 1). Rohling, Deutschl. Fl. iii. p. 35 

 (1813). Schultz, Suppl. Fl. Starg. p. 65 (1819). Fl. Danica, t. 1712 (1821). 

 Gray, Nat. Arr. Br. Plants, i. p. 710, 4 (1821). Swartz, Adnot. Bot. p. 74 (1829). 

 Huben. Muse. Germ. p. 29 (1833). Dozy, Molk. Prodr. Fl. Batav. p. 79 (1851). 

 Bkrkel. Handb. Br. Moss. p. 307 (1863). Lindb. in Ofv. K. Vet. Ak. Forh. xix. 

 p. 135, n. 1 (1862). Schimp. Synops. ed. 2, p. 831 (1876). Hartm. Skand. Fl. ed. 

 3-6, et 8. Klinggr. in Schr. K. Phys. (Ek. Gesel. zu Konigs. 1872, p. 6. Hobk- 

 Syn. Br. Moss. p. 24 (1873). Braithw. Sphag. Brit. Exsic. n. 50 (1877). 



Sph. capillaceum var. j3. cuspidatum, Wahl. Fl. Lapp. p. 301 (18 12); Fl. Suec. 

 ed. 2, p. 807 (1833). 



Sph. laxifolium, C. Mull. Synops. i. p. 97 (1849), et Deutschl. Moose, p. 126 

 ( J 8S3)- Jensen, Bryol. Dan. p. 48, t. ii. fig. 9 (1856). Hartm. op. cit. ed. 7, 

 p. 399. Lindb. in Bot. Notis. 1856, p. 121. Schlieph. in Verh. Z. B. Gesel. Wien, 

 1865, p. 396. Milde, Bry. Siles. p. 385 (1869). 



Sph. cuspidatum var. y. Wils. Bry. Brit. t. 4 (1855). 



Sph. cuspidatum /3. submersum, Schimp. Torfm. p. 61, t. xvi. fig. 1 (1858), et 

 Synops. p. 676 (i860). 



Dioicous ; in loose submersed or floating tufts ; plants very 

 soft, light green, deep green, or more or less tinged with yellow or 

 brown. 



Stems slender, flaccid, pale green, 6-18 in. or sometimes several 

 feet in length ; cuticular cells not porose, larger, well defined, in 

 2-3 strata ; those of the peripheral layers pale yellowish. Stem 

 leaves ovate-oblong, pointed, with the margins involute at apex, 

 broadly bordered with very narrow elongated cells, the hyaline 

 cells of the upper half with numerous spiral fibres. 



Branches 3-5 in a fascicle, longer, often turned to one side and 



