— 256 — 
2. Limbate. ds. H 
A. Leaves limbaty by yellow narrow-rectangular cells. 
41.B.marginata Br. eur. — Tortula Spruce. | 
Leaves suboblong gen. acute; costa somewhat longly excurrent. 
Peristome once contorted. — Sandstone-walls and roadsides in 
warmer districts r. Hur. France: Philibert; Bouvet. Portugal: — 
Levier. Amer. »U. S.»: Lesq. et Jam. MEC 
* B.limbata Lindberg. — Tortula Lindb. 
»Leaves larger, broader limbate. — Zur. r. Italy: Rabenhorst»: 
Husnot muscol. Gall. 
* B.Egelingi Schliephacke. 
»Leaves smaller, not narrowed at base, broader limbate by 
larger cells. Capsule smaller. — Amer. r. U. S. Tennessee: 5 
Egeling»: C.-M. in Flora 1887. 5 
B. Leaves limbate by subquadrate us. hyaline cells. 
42.B.Solmsii Schimper. 
Leaves oval-oblong gen. obtuse; costa somewhat longly ex-  - 
current. Peristome twice contorted. — Eur, r. »Portugal: Solms  . 
Laubach»: Schimper (Madeira: Fritze, com. Levier.) 
43.B.Porteri James. — Desmatodon Jam.; Barbula Kindb. — — 
Leaves oblong-lanceolate short-acuminate acute, the lower with * 
yellow marginal cells; costa percurrent. Peristome half-twisted. 
— Rocks r. Amer. Can.; Macoun. 
* B.subearnifolia C. M. et Kindb. l. c. ! Ax 
Leaves gen. oblong, less distinctly limbate above; costasome 
times short-excurrent. Peristome faintly twisted. — Amer. T. — 
Can. Pelw. island: Macoun. 
3. Muraliformes. 
A. Leaves somewhat large. Tufts us. loose. 
44.B.muralis L. — Bryum L.; Barbula Timm. ; 
Leaves sublinear or oblong-lingulate obtuse, reflexed to the - 1 
hairpoint, often limbate by one cell-row; upper cells opake; — 
costa us. excurrent. Capsule oblong-cylindric; teeth reddish a 
2 or 3 times contorted; annulus double. Tufts us. glaucous — 
green and very loose. Us. monoecious. — Stones, stone-walls d 
and roofs. Eur. nearly common in lower districts. Sweden — 
Germany, Switzerl., Italy! Amer. r. »U. S.»: Lesq. et Jam. — 
* B.estiva Schultz. 
Leaves long lanceolate-lingulate subacuminate green; costa 
Short-exeurrent or subpercurrent. Peristome gen. once Lm 
Us. dioecious, — Eur. not r, Sweden, Switzerll.. .. 5 74 
So M 
Fy ET TE F 
bye 
EU 
