EUROPE AND NORTH AMERICA. 85 



Var. c. Torreyi (Sulliv.), Braithw. 



Robust, in lax floating tufts, rigid, 8-16 in. high, of a reddish 

 brown colour. Branches 4-5, attenuated, their leaves very large, 

 elongato-lanceolate, tubulose and toothed at apex, the hyaline cells 

 with numerous minute pores. Stem leaves large, deltoid, without 

 fibres. 



Synon. — Sph. Torreyanum, Sulliv. Mem. Amer. Acad. n. s. iv. p. 175 (1849); 

 Mosses of Un. St. p. 13, n. 16 (1856); Muse. Bor.-Amer. n. 9 (1856). 



Sph. auriadatum, Lesq. in Mem. Calif. Ac. Sc. i. pt. 1, p. 4 (1867). Sull. Lesq. 

 Muse. Amer. Exsic. n. 23. 



Sph. Mendocinum, Sull. Lesq. Icon. Muse. Suppl. p. 12, t. 3 (1874). 



Sph. cuspidaium var. 8. Torreyi, Braithw. in M. Micr. Journ. Feb. 1875, p. 64. 



Hab. — N. America : Ponds in pine barrens of New Jersey (Torrey) ; California, 

 in great bogs at 8000-9000 feet, near King's River (Brewer) ; Swamps near Mendo- 

 cino City (Bolander). 



Sect. II. — Hemitheca, Lindb. 

 Plants of peculiar habit, somewhat resembling that of Hypnum 

 sarmentostim or stramineum, firm, slender, and elongated. Branches 

 lateral, solitary or sometimes in pairs, short, distant, slender, sub- 

 clavate, obtuse, arcuato-decurved. Leaves and perichaetial bracts 

 alike, ovate-oblong, obtuse, with very large chlorophyllose cells, and 

 densely annulate, non-porose hyaline cells. Capsule very small, 

 after the fall of the large operculum, hemispherical, wide-mouthed, 

 resembling that of a Physcomitrium. 



19. Sphagnum Pylaiei, Bridel. 

 Pl. xxviii. 

 Dioicous ; stem simple, with a single layer of cuticular cells ; 

 branches solitary, or sometimes two or three together, slender, 

 uniform, deflexed. Stem leaves and branch leaves alike ; oblong- 

 ovate, very concave, entire, obtuse ; chlorophyllose cells oval in 

 section, free both in front and back. Capsule immersed, on short 

 lateral branches, hemispherical when empty. 



Svnon. — Sph. Pylaesii, Bridel, Bryol. Univ. i. p. 749 (1826). Sullivant, 

 Icon. Muse. p. 12, t. 6 (1864), et Suppl. p. 15, t. 6(1875). Austin, Muse. Appal. 

 No. 23 (1870). 



Sph. sedoides var. Sull. Lesqx. Muse. Bor.-Amer. No. 4 (1856). Sull. 

 Mosses of Un. St. p. 12 (1856). 



Sph. cymbifolium, forma juvenilis, C. Mull. Synops. i. p. 92 (1849). 



Dioicous; olive green, fuscous or blackish. Stem erect, slender, 

 undivided, 3-6 in. high, with a single layer of small cuticular cells, 

 and a narrow reddish-brown peripheral layer. 



