Sphagnum. SPHAGNACE^E. 423 



ovate, cucullatc and obtusish at the apex ; branch leaves loosely imbricated or usually 

 secund and subfalcate, broadly acuminate-elliptic, very concave with incurved mar- 

 gins, 2 3-toothed at the apex ; ducts much compressed : flowers dioecious : capsule 

 long-pedicelled. BryoL Germ. i. 17, t. 3; Schimp. 1. c., t. 22, 23; Fl. Dan. t. 

 2754. S. contort um, Schultz; Wilson, 1. c., t. 60. 



Var. longifolium, Lesq. Leaves narrowly lanceolate, elongated. Mem. Calif. 

 Acad. i. 4. 



In wet meadows, Mariposa Grove, and the variety in swamps near Mendocino City (Bolandcr) ; 

 Atlantic States and Europe. 



8. S. squarrulosum, Lesq. Imperfectly described : slender, densely cespitose, 

 deep green above, whitish beneath ; cortex double ; branches long, slender : branch 

 leaves lanceolate, squarrose above the middle : fruit unknown. Mem. Calif. Acad. 

 i. 3. S. squarrosnm, var. squarrulosum, Schimp. Syn. 2 ed. 836. 



Head of William's Lake, near Lassen Peak, at 5,000 feet altitude (Brewer) ; also detected by 

 Lesquereux in Switzerland. 



