Sphagnum.] SPHAGNACE^. 15 



spreading, broadly margined, erose-dentate at the apex. — 

 JS. Torreyamim., Sulliv. Mem. Amer. Acad. iv. 174, and Mosses 

 of U. States, 13. S. cuspidaturn., var. Torreyi., Braithw., in 

 part. 



Var. falcatum, Russ. Branches distinctly falcate at the 

 ajjex. — Beitr. Torfm. 59. 



Var. plumosum, Schimp. Tufts soft, compact ; stems 

 short and branches erect ; leaves lanceolate-subulate. — S. laxi- 

 folium^ Muell. Syn. i. 97. 



Var. plumulosum, Schimp. Soft, as in the last; leaves 

 shorter, very narrow. 



Var. serratum. Stem-leaves broadly margined; upper 

 branch-leaves serrate from the middle, those of the comal 

 branches from the base. — S. serratum^ Aust. Bull. Torr. Club, 

 vi. 145. 



Var. hypnoides, Schimj). Stems in short dense tufts, with- 

 out branches; leaves lanceolate, tubular, hamate-secund. — S. 

 hypnoides., Braun. 



Hab. Ponds, aiul borders of streams flowing from bogs; not rare. 

 Var. Tovreyanum, in bogs at the South; y?a-%.'plumosxim and jAumiilosum 

 on alpine rivulets; var. serratum, at St. Augustine, Florida (J. Bonnell 

 Smith). 



6. S. intermedium, Hoffm. Closely allied to the preced- 

 ing. Stems and reflexed brandies thicker ; cortical cells small, 

 in 2 or 3 layers : stem-leaves shorter, broader, triangular ; 

 branch-leaves broader, recurved at the apex ; the i^erichaetial 

 closely imbricated : capsules on the tufted branches. — Braithw. 

 Sjahag. 78, t. 24, 25. S. recicrmtm., Beauv. ; Brid. Bryol. Univ. 

 i. 13 ; Schimp. Torfm. 1. 16. S. cuspidatum.^ var. Mauei, Aust. ; 

 Rau & Harv. Cat. 49. 



Hac. With the preceding. 



7. S. Lindbergii, Schimp. Monoecious, robust, greenish- 

 brown : cortical cells in 3 or 4 layers, unequal, without fibrils or 

 pores : stem-leaves reflexed, close, broadly Ungulate, fimbriate at 

 the apex ; branch-leaves ovate or oblong-lanceolate, dentate at 

 the apex, shining, broadly margined downward, with numerous 

 small pores in the upper part : capsule on a thick pedicel, urceo- 

 late when dry: spores yellow. — Torfm. t. 25; Braithw. Sphag. 

 77, t. 23 ; Lindb. Sphag. 60. 



Hab. Wet sloping rocks of White Face Mountain, New York (C. H. 

 Peck) ; very rare. 



