10 ON THE FLORA OF THE ENVIRONS OF BRADFORD. 
verging secondary spirals, and hence the trouble of counting the coils 
may be avoided 
This simplification i is, however, not true of other series occasionally 
found, 4, +, 7, 4, +s, for instance, and therefore the blind fo ollowing of 
this part of the ordinary rule is to be deprecated, ey as it fails 
ON THE FLORA OF THE ENVIRONS OF BRADFORD. 
By Joun Witus, Pa.D. 
(Portion of a Paper read a the pa acs the British “Association, 
September 18th, 1873.) 
In ascending from the level of the ie to the summit o 
Rombalds Moor, we rise nearly a thousand feet. At the lowest point 
a dwarf Bamboo or a hardy Palm may survive the winter in 
table-la , on the contrary, the eye would s earch i in vain for any 
a 
observe on passing from the vicinity of the town either to the 
mountain-limestone regions on the west, or to the magnesian lime- 
stone on the east. That much “a this piggies diversity is due to 
more cultivated plain, and that a journey to the west of no 
5 rid more clearly into view the characteristic features of the 
ffideetone flora, two lists are given as appendices to this paper, one 
h 
‘‘Manual”) which have been found on the clays and grits of the 
immediate neighbourhood of Bradford, the other those plants which 
have only been met with in one or the ‘other of the limestone regions. 
It is not ghee that these lists are complete. Some genera, as 
Rubus and Hieracium, require further study, and many plants must 
have been overlooked, especially in the more remote districts. At the 
e sunny ath. I do not remember to se found in this part of 
the country, except in a state of gui ay any of the following 
gene era and spe cies :—Myosurus, Malva rot sa a Geranium pusillum, 
4 
re 
