l-t SPHAGNACEyE, [Sphagyium. 



oval, emarginate at the obtuse apex, the utricles empty : male 

 aments yellowish-brown: — Ofv. K. Vet. Ak. Forh. xix. 138, 

 and Sphag. 49 ; Braithw. Sphag. 64, t. 17. S. GirgensoJinii, 

 liuss. ; Sulliv. Icon. Muse. Suppl. 14, t. 5. 



Var. squarrosulum, Kuss. Plants small : branch-leaves 

 recurved at the aj^ex. 



Hac. In swamps and bogs, New Jersey and Canada; the variety at 

 Little Falls, IS'ew Jersey {Austin). A large form (var. major) is found 

 in the White IMountains, New Hampshire. 



4. S. flmbriatum, Wils. Closely allied to the last, differ- 

 ing in its glaucous-green color, tlie coitical cells in 2 or 3 layers, 

 distinctly porose, the much larger stem-leaves ovate-spatulate 

 and fimbriate at the upper border or from the middle, and the 

 perichretial leaves much larger and with a closer areolation. — 

 Bryol. Brit. 21, t. 60 ; Schimp. Torfm. 59, t. 15 ; Braithw. 

 Sphag. 63, t. 16 ; Lindb. S])hag. 47. 



Hah. In swamps of the Palisades, New Jersey ( White); in the Sierra 

 Nevada, California, at 11,000 feet altitude {Brewer). 



§ 2. CuspiDATA. Ji ranch-leaves longer and narroioer, erect- 

 S2oreading, imdulate on the margin when dry : ducts xoith 

 the broad base exposed upon the bach of the leaf., cuneate 

 between the utricles: stem-leaves small: cortical cells not 

 porose. 



5. S. CUSpidatum, Ehrh. Dioecious, generally long and 

 slender, floating in loose tufts, greenish : stems filiform ; cortical 

 cells large, in 2 (rarely 8) layers ; branches in fascicles of 3 to 

 5, spreading or pendent, cuspidate by the convolute terminal 

 leaves : stem-leaves triangular, 2-3-toothed at the apex, broadly 

 margined ; cells of the lower part long and narrow, the upper 

 vermicular, fibrillose, not porose ; branch-leaves loose, lanceolate- 

 acuminate, deeply concave, denticulate at the apex, subulate 

 toward the end of the branches ; perichretial leaves distant, 

 broadly ovate, truncate or obtuse at the apex, more or less 

 fibrillose : capsules small, mostly long-pedicellate, scattered 

 along the stem : s])ores light-brown. — PI. Crypt, n. 251 ; 

 Schimp. Torfm. t. 16 ; Braithw. Sphag. 82, t. 26, 27 ; Lindb. 

 Sphag. 62; Sulliv. Icon. Muse. Suppl. 11, t. 2 {S. laricinum, 

 Aust. Muse. Appalach. n. 31). 



Var. Torreyanum. Very robust ; branches in fascicles of 

 4 or 5, very long, flat, linear-lanceolate : leaves long-lanceolate, 



