78 A NEW FLORA OF SURREY. 
Cuannen.—8. Arun; a. Ockley, d. Chiddingfold. 
1. Buackwater is bounded §. by a line starting from the 
Hants border at Lower Old Park, passing N.E. thro 
crossing the railway and following the Guildford road to a point 
on the Hog’s Back a little N.E. of Seale; thence the E. boundary 
runs N. to Ash Green station, then by the workhouse, Fox Hills, 
Chobham Ridges and through Paschal Wood to the borders of 
Berks. The further boundaries are formed by the adjoining 
k 
crest of the chalk escarpment past Albury Downs, Netley Heath 
and Hawkhurst Downs to White Downs; thence the E. boundary 
runs §. through Wootton, by Broadmoor, to its junction with the 
boundary of District 8 a, at Coldharbour. The rest of the BE. as 
ussex. 
b . The two subdistricts, a (west) and b (east), are sepa- 
rated by the water-parting of the two main branches of the River 
ey; the dividing line leaves District 8 } near Hambledon, and 
thence by the River Wey itself to Guil The west subdistrict 
es almost exclusively on the lower greens and formation, 
abounds extensive heaths and commons, with considerable 
elevations, as at Hind Head. It is here, and in Districts 1 and 86, 
that several species which occur in the adjoining parts of Hants : 
planatum is but a few yards from the county border, while there 18 : 
hurst Down to Effingham Common, thence by Ockham and 
Cobham Commons, St. George’s Hill and Oatlands Park to the — 
River Thames ; 8. by District 2. Two subdistricts are separated—4 — 
or 
deserves further attention, and Potamogeton prelongus, which — 
requires confirmation for the county, will probably be found there. — 
4. Urrer Motz is bounded N. by the continuation of the line — 
along the chalk crest from White Downs by Ranmer Common, Box — 
Hill, Pebble Hill, Reigate Hill and Gatton to the Merstham tunnel, — 
