— 289 — 
short with conic beak; annulus narrow. Tufts us. light green 
. mostly encrusted by chalk, lower than in the last. — Caleareous 
rocks. Eur. not uncommon in southern distr. Switzerl.| France: 
Philibert. Spain: Levier. om: Arcangeli. Amer. urs. Can: 
Macoun; Waghorne. 
24.W.faleata Kindb. bull. soe. bot. ital. 1895. 
Differs from the resembling last: Upper leaves distinctly ca- 
rinate somewhat long-acuminate and gen. acute, faleate when 
moist; costa gen. percurrent. Inner perichetial leaves long- 
. acuminate not or indistinctly sheathing. Lid of capsule nearly 
flat. Tufts dark green less compact. — Calcareous rocks r. 
Eur. Italy monte Caprino near Lugano: Roell and Kindb. 
B. Tufts loose very low. Capsule minute; annulus us. broad. 
Leaves channelled. Plants small. 
a. Lower leaves not shorter than the upper; cells pellucid, 
the upper nearly smooth well-distinct. 
25.W.Barbula Schwegrichen. — Gymnostomum Schw; Weisia 
Kindb.; Hyophila Hampe; Pottia C. M. 
Leaves not long, obtusate gen. obtuse, not or faintly curved 
when moist. Perichetial leaves nearly similar not sheathing; 
the innermost one from short base somewhat narrowed to a - 
long linear obtuse at one side faintly reflexed acumen. Capsule 
; long cylindric; beak short; teeth none; annulus broad loosed 
in pieces. — Rocky banks of mountain rivulets r. Amer. 
»U. 8: Garber»: Lesq. et Jam. (Cuba: Wright, herb. Sullivant, 
com, C. Mueller). 
b. Lower leaves shorter than the upper; upper cells opake 
very small. Leaves often curved when moist. 
aa. All leaves short; costa not percurrent, Capsule with 
broad annulus. — 
26 W.tenuis Schrader. — Gymnostomum Schrad.; Weisia C. 
M.; Gyroweisia Schimper. 
-~ Leaves sublingulate arrounded at apex not acuminate. Peri- 
. fhetial leaves larger and longer with long sheathing. base and 
. sublinear obtuse shorter acumen. Capsule oblong; lid conie 
much shorter; teeth none; annulus often revoluble. Stem often 
With shoots at base; their leaves smaller and shorter. — Lime- 
stone and sandstone rocks princ. in warmer districts. Eur. less 
T. Sweden, Switzerl! France: Lamy. Engl.: Cunliffe. Amer. 
I. Can: Drummond 21; White, com. Macoun. 
