ON THE UPLAND BOTANY OF DERBYSHIRE. 
By J. G. Baxer, F.RB.S. 
So little has been recorded as to the plants which. ascend 
amongst the upper levels of the midland counties of England, 
that the subject seems to be well worthy of further attention. 
Whilst staying lately at Buxton, in saad. I took an aneroid 
barometer about with me, and made a full list of all the species 
I noticed as ascending to 200 yards ste upwards. I suppose that 
in ginod oc we may jernidently assume that all three of Watson’s 
zones of the agrarian region are fully represented. So far as I can 
judge, the contour-line of 150 yards may be taken as the boundary 
between the two lower zones. arge area in the southern part 
of the county is below this level. “The limit between the mid- 
agrarian and super-agrarian zones I would place at 350 yards. 
sea-level. The flora of the higher gritstone edges is very destitute 
of individuality, consisting almost entirely of species sprea 
ht ed Britain in grassy or moorland localities. In Yorkshire 
limit of the arctic region. Applying this test in Derbyshire, 350 
ards in height about equals 300 yards in Yorkshire; but there is 
plenty of Chamemorus on the gritstone peaks down to where the 
Pteris ascends, at about 550 yards of elevation. The athe are 
the estimates of altitude from which I worked as a basis: 
Axe GRC. a ey ee. .  ITBG feet. 
1700 
Mam Tor igs Shee ( fv 
Railway above Burbage Re res OES £3 ee 
Waterloo Inn bie od ge 
Apa Market t Plac re hee On 
‘s Dale Mulvey es ctxt OOO 5; 
Wye, below Lover’s Lea ogee eee |! ae 
Wye, at Monsal Dale. . . . 
0 
Thalictrum montanum. Limestone élifts. in soweent places, as- 
cending to Peveril Castle, 400 yards. 
Ranunculus aquatilis, var. penicillatus. Very abundant in the 
Wye in Ashwood Dale and Millers Dale up to 800 yards. — Var 
peltatus. In the grounds at Chatsworth.—R. heder, sites! Swamps 
up to 500 yards.—R. # lammula, R. acris, and R. repens. Common 
up to 500 yards.—R. a 
Caltha palustris. Swamps up to 500. ya ards. 
Nuphar lutea. Pond at Chatsworth, 200 yards. 
Papaver. Quite absent from the poshag Only a scrap of 
dubium seen on a cliff in Monsal Dale, 200 yards. 
unaria officinalis. Only seen once, near Haddon, 200 yards. 
