— 958 — 
acute; costa excurrent. Capsule oblong-cylindrie; teeth much 
contorted. Tufts dirty green sometimes high. — Earth and 
stone. Eur. common. Sweden, Italy etc.! Greece: Heldreich. — 
Amer. not r. Can: Macoun; Waghorne. U. S.: Sullivant,  . 
com. C. M. B 
49.B.Cruegeri Sonder. 
Differs from the last: Leaves patent when moist; basal cells 
short-rectangular; costa very slightly excurrent; only the inner- 
most periehetial leaves acute and very short with not excurrent 
costa. — On earth r. Amer. U. S.: Langlois, com. Cardot . 
(Cuba: Wright, herb. Sullivant, com. C. Mueller). : 
b. Perichetial leaves half-sheathing. All leaves obtuse; costa 
not excurrent. 2 
50.B.amplexa Lesquereux. 
Leaves short suboval or short-lingulate, reflexed near base; 
basal cells rectangular.  Perichetial leaves longer. Capsule sub- 
cylindric; teeth once contorted. Stems very short not tufted. a 
— Amer. r. U. S.: Boleender, com. C. Mueller; Howe, com. _ 
Cardot. »Can.: Drummond»: Macoun. 
| VII. Eu-Barbula. — 
1. Platyneuron Kindb. SON gue 
A. Leaves us, doubly revolute. Peristome us. contorted. 
51,.B.Hornschuchii Schultz. 
Leaves ovate-lanceolate acuminate acute, revolute to apex and — 
often nearly to the excurrent costa. Perichetial leaves larger, - 
suboblong revolute not sheathing; costa long-excurrent. Capsule 
oblong-cylindric; teeth much contorted. — On earth r. Bur. — 
Belgium: Roemer. France: Brébisson; Berthoumieu. Sweden: — 
J. Persson. 
52.B.revoluta Schrader. — Tortula. Sehrad.; Barbula Brid. ` 
Leaves ovate-lanceolate acuminate subobtuse, revolute to apex 
and nearly to costa; prominent lamina very narrow; costa per- 
current or slightly excurrent often broader above. Periehetial — 
leaves half-sheathing subconvolute; costa not excurrent. Cap- 
sule oblong-oval; teeth nearly twice contorted. Tufts dense. — 
Princ. on calcareous stonewalls. Eur. in lower and warmer 
districts. France! Italy: E. Adlerz. Germany: Herpell Spain: — 
NCC ene Ee HII IRR 
Levier. 
* B.obtusula Lindberg, | bite 
Perichetial leaves more open. »Peristome slightly or not 
twisted»: Lindb. — Eur. r. Germany: Goll, »Sweden»: Li 
