328 MOSSES OF THE WEST RIDING OF YORK. 
ar the richest rivershed is that of the Wharfe, commencing on the 
high ietadis above Kettlewell, Malham, and Burnsall, and including 
the deep productive woods around Barden Tower, Bolton Abbey, 
Harewood, Otley, and Cottingham. Airedale and Ribblesdale also 
produce many and rare species, from Yeadon, Bingley, Skipton, 
Clapham, Ingleton, and Giggleswick. As usual, the limestone and 
ations are richest both in number of species a in 
profusion of. specimens; whilst, when we come a 
ing Bradford, Leeds, Halifax, and Huddersfield, we find a great 
falling off in this a respect, __ The millstone ae Senne the highlands 
from which the and Calder n intermediate 
Of t 561 Sige now ascertained to be found in the payed 
Islands, we West Riding possesses close upon 800, and I have n 
would materially increase the number. Of these Todmorden alone 
absent. Of the 14 species of Sphagnum we have 12. e Phascums 
have been fo 14 sp. of ranum; 17 of Tortula; 17 of 
Orthotrichum ; 5 of Polytrichum; 23 of Bryum ; 10 of Mnium; 7 of 
Bartramia of Fissidens; 7 Leskea; and 71 of Hypnum 
The unrepresented genera are Cynodontium, Stylostegium, Hedwigi- 
dium, ase idipodium, Dissodon, Tayloria, Tetraplodon, 
root ag mion, Timmia, Oligotrichum, Dichylema, Leptodon, and 
onia. 
In ran pea pre the West Riding gradually rises from the 
level of he's e east, with occasional depressions, to the 
longitude of Letde: and Dewsbury, about 1° 38’ W., from whence to _ 
Huddersfield, and Penistone, into high flat ridges, often covered with 
peat bogs, and ranging from 1500 to 1800 feet; whilst to the north- 
west these lower hills gra dually increase in height along the borders 
of Yorkshire and Lancashire, until they reach their greatest elevation 
in Whernside, 2245 ft. ; Penyghent, 2278 ft.; and Anglehars 2373 ft. 
On these ranges we get m many subal pine species, suc gad 
petrophila and alpina, Sphagnum cation and rubellum, "Brachyodus 
a? eae ciliata, Grimmia Sunalis, Orthotrichum_rupestre, 
ypn é 
co B ” m od 
ote a few words oie suffice. Sphagnum Sanita Lindb., 
Separated from S. eymbifolium by its more papillose and boat-shaped 
oe i has not bien found in the West Riding ; but I have little doubt 
