= 4 a. 
26. Leskea Hedwig. 
A. Leaves nearly uniform, more or less recurved, smooth at 
borders at least below, more or less opake, often faintly papillose. 
1.L.polyearpa Ehrhart. 
Leaves faintly recurved near base, gen. acute short-decurrent 
not much distant; those of stem ovate-oblong, those of branches 
subovate. Perichetial leaves long-acuminate; costa thin. Capsule 
subcylindric often large; teeth pale yellow, segments nearly as 
high; lid conic acute often apiculate. Tufts often green. — 
Rocks and base of trees princ. on humid places. Hur. common 
below alp. regions. Sweden, Germany, Italy! Amer. notr. Can.: 
Macoun; Drummond n. 223. U.S.: Jesup, com. Macoun. Greenl.: 
Wenck, com. Roell. 
*L.subobtusifolia C. M. et Kindb. cat. Canad. m. 
Branch-leaves very distant and decurrent gen. obtuse. Cap- 
sule not large; lid convex apiculate. — Base of trees r. Amer- 
Can.: Macoun. U. S. Ohio: Purpus, com. Roell. 
2.L.obscura Hedwig; Sullivant icon. muscor. 
Leaves recurved gen. all around, smaller than in the last, 
nearly crowded and not decurrent, subovate gen. obtusate obtuse. 
Perichetial leaves short-acuminate; costa thick. Capsule sub- 
 Oblong small; teeth pale; segments short; lid conie obtuse or 
subobtuse. Tufts us. dirty green. Branches shorter than in 
the last. — Base of trees near water r. Amer. U. S.: Sullivant, 
com. C, Mueller; Austin, com. Macoun; com. Renauld and 
Cardot. 
B. Leaves very diversiform, not distinctly recurved, very pa- 
pillose also at borders all around, opake. 
».L(?)Cardoti Kindb. revue bryol. 1895. — »Leskea obscura 
Hedwig»: Cardot in litt. 
Leaves nearly crowded; those of stem narrowly ovate-oblong 
acuminate acute; those of branches broad ovate gen. subobtuse 
apiculate. Capsule suboblong; peristome not seen. Habit of 
Anomodon, — Amer. r. U. S. Louisiana: Langlois, com. J. 
Cardot. 
27. Leseurwa Bryol. eur. 
A. Costa of leaves not excurrent. Uppermost branch-leaves 
r. mamillose above. 
L.L.striata Sehwsegrichen. — Pterogonium Schw.; Lescurea 
T. eur. ; 
Leaves oblong-lanceolate gradually acuminate recurved to the 
Somewhat long acumen, slightly decurrent, us. entire; iem 
