— 947 — 
times shortexcurrent. Annulus revoluble gen. broad. Tufts 
greenish, rufescent or reddish. 
I Syntrichia C. Mueller. 
1. Ruraliformes. 
A. Leaves short not distinctly carinate; lower basal cells 
uniform hyaline (in .B. levipila the outer sometimes narrower 
. and not hyaline); hairpoint often smooth, sometimes (in B. mutica) 
wanting. Peristome contorted; longer than basal tube. Dioe- 
cious or (B. alpina and sometimes B. levipila) monoecious. 
Stem not high. | | 
i a. Leaves muticous nearly flat, sometimes reflexed near 
ase. 
1.B.mutica Lindberg. — Tortula Lindb.; Barbula Kindb.; B. 
latifolia (Bruch) Br. eur. 
Leaves subspathulate obtuse. Capsule large; teeth once or 
twice contorted. Tufts dusky green. Often with propagula 
(brood-corpuscles). . Very r. fruiting. — On base of trees r. 
on stones. Eur. not r. in warmer districts. Germany! Sweden; 
Lindberg; S. Hardin. Amer. r. U. S. Oregon: Roell. ; 
=b. Leaves with hyaline us. short and smooth hairpoint, 
involute (at least when dry) above, flat below. 
 2B.papillosa Wilson. — Tortula Wile; Barbula C. M. 
Leaves subspathulate or short-lingulate obtuse. Capsule very 
. small; teeth faintly contorted. Tufts dusky or brownish green. 
= Often with propagula. »Fruiting only in Australia»: Braith- 
= waite, — On trees princ. in warmer distr. Eur. less r. Switzerl.!; 
. Roel. Norway: E. Nyman. Sweden: Lindberg. France: Hus- 
not. Amer. r. »U. S.»: Lesq. et Jam. 
€. Leaves us. with hairpoint, not involute, reflexed below. 
aa. Peristome not much contorted, much longer than tube. 
.9.B.alpina Br. eur. : 
Leaves oblong-lingulate sometimes subacute, reflexed below 
` middle: the lower muticous; lower basal cells somewhat small 
. and not much long; costa smooth reddish; hairpoint smooth 
ted or hyaline gen. short. Tufts rusty red below. Monoecious. 
= — Rocks princ. in alps r. Eur. Switzerl.! France: Philibert. 
. Austria: Breidler. Sweden: A. Grape. 
*B.pagorum Milde. | 
»Leaves not reflexed, often with propagula. Capsules un- 
re iid — Stone-walls r. Eur. Austria: Milde»: omgis 
.B.brevi Lesquereux. — »B. alpina»: cat. Can, m. 
Differs s ai, 5. alpina; Leaves nearly flat at borders, obtuse 
