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1). varium p> rufescens, Brit. FI. On the margin of Kildale moor, 
Cleveland — W. Mudd. On the Yorkshire side of the Tees, between 
the High force and Wince bridge — A. O. Black. Clayey hanks and 
scars near Todmorden. 
19. D. heteromallum, Hedw. Fr. Winter. 
20. I). subulatum, Hedw. Fr. Winter. 
Clayey banks, Hareley Wood, and in an old quarry at Shawbridge, 
near Todmorden. 
XX. TORTULA. 
1. T. enervis, Hook and Grev. Fr. Winter. 
Barlula rigida , Schultz. Abundant on mud-capped walls at Cram- 
beck, and near Malton, Scalby, near Scarborough, and Jackdaw 
crag, Tadcaster — B. Spruce. Abundant, along with the next species, 
on walltops covered with mud, near Pontefract — Dr. J. B. Wood. 
2. T. AMBiGUA, B. and S. Fr. Winter. 
Et seq. Barbula, B. and S., Bryol. Europ. Abundant on walltops 
covered with mud, in the vicinity of Pontefract — Dr. J. B. Wood. 
Plentiful on w r alls at Knottingley — J. G. Baker. On a mud-capped 
wall by the roadside leading out of Malton towards York, and in 
similar situations near Welburn — B. Spruce. On walltops in the 
village of Barkston Ash, near Church Fenton station. 
3. T. rigida, Turn. Fr. Winter. 
B. cdoides, B. and S. Rocks on Ingleborough — Hudson. Hedge- 
banks near Ripon, and rocks on [the banks of] the Nidd, near Knares- 
borough — W. Brunton. Wall on the York road, half a mile from 
Malton — M. B. Slater. On a wall at Stackhouses, near Settle — 
A. O. Black. Moist rocks and walls, in a deep cutting of the road 
at Wenthill, near Pontefract — Dr. J. B. Wood, and J. N. 
4. T. conyoluta, Swartz. Fr. Spring. 
Gillaleys, Castle Howard — M. B. Slater. Baysdale, Cleveland — 
W. Mudd. Dry banks and fields near Todmorden. 
5. T. revoluta, Brid. Fr. Spring. 
Ifirkham hills, near Castle Howard — R. Spruce. 
6. T. muralis, Hedw. Fr. Spring, Summer. 
7. T. RURALis, Hedw. Fr. Spring, Summer. 
8. T. l.evipila, Scliwaegr. Fr. Summer. 
T. ruralis /3 Icevipila, Brit. FI. On trees ; common — R. Spruce. On 
trees nem’ Thirsk, and other places ; J. G. Baker. Welburn, near 
Malton — M. B. Slater.. On trees near Bolton, Wharfdale. 
9. T. subulata, Hedw. Fr. Winter, Spring. 
10. T. marginata, B. and S. Fr. Spring, 
On walls and rocks of soft sandstone, near Castle Howard; most 
abundant in the park quarry — R. Spruce. With Bryum atropurpu- 
reum, at the sandstone quarry on the south side of the Swale, at 
Leckby — J. G. Baker. 
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