172 



A NEW LONDON FLOKA. 



and this portion is separated from that which is right of the road by 

 enclosures and the village. The scrub consists principally of Oak, 

 Bramble, Briar, Blackthorn, and Whitethorn, Calluna and Salix repens. 

 Subsoil gravel. Pryor's Wood and the woods bordering it in the direc- 

 tion of Haileybury College are principally of Oak and Hornbeam, with 

 an admixture of Ash, Maple, and Sallow. Ball's Wood, near Hertford, 

 is of considerable extent, and enclosed ; it is a cold damp wood, sloping 

 to the north ; with a dense vegetation of Oak, Maple, Hornbeam, and 

 Ash, and an undergrowth of Hazel, Sallows, Viburnum Opulus, Briar 

 and Bramble. The gravelly subsoil of this part of Herts rests upon chalk. 

 In the woods are patches of swamp and pools. 



*Aira caespitosa. 

 Allium vineale (between Hoddesdon and 



Haileybury). 

 Arabis hirsuta (copse, hillside beyond 



Gol dings). 



*Betonica officinalis. 

 *Brachypodium sylvaticum. 

 *Bromus asper; *racemosus (bordering 



lanes in profusion). 

 *Calamagrostis Epigejos (Ball's Wood and 



Pryor's Wood?); lanceolata? (Ball's 



Wood). 

 *Carex pendula ; *sylvatica ; *flava ; *vesi- 



caria (Pryor's Wood); binervis; pilu- 



lifera; strigosa (Quick's Hill Wood); 



Boenninghausiana (ponds in Ball's Wood). 

 Chrysosplenium oppositifolium (Quick's 



Hill Wood). 



Comarum palustre (Ball's Wood). 

 Convallaria majalis (Pryor's Wood). 

 *Dipsacus pilosus (ditches bordering 



hedges of Ball's Wood).; 

 *Erythraa Centaurium (Ball's Wood). 

 *Genista tinctoria (borders of Ball's 



Wood). 

 Habenaria chlorantha (Ball's Wood and 



Box Wood). 



*Helosciadium inundatum. 

 *Hieracium vulgatum ; boreale (?) (Hert- 

 ford Heath). 

 *Holcus lanatus. 



*Hypericum hirsutum (Ball's Wood). 



Iberis amara (field N. of Pryor's Wood. 



Lysimachia Nummularia (Ball's Wood). 

 *Melampyrum pratense (woods). 



Mentha sativa. 

 *Menyanthes trifoliata (Pryor's Wood). 



also in Ball's Wood). 

 *Milium effusum (woods). 



Moanchia erecta (Hertford Heath). 

 *Neottia Nidus-avis (woods). 



(Enanthe Phellandrium (ponds N. side of 

 Ball's Wood). 



Orobanche major (Hertford Heath). 



Paris quadrifolia (Ball's Wood). 



Pimpinella magna (about Ball's Wood, 

 and towards Bayford). 

 *Poa nemoralis (woods). 

 *Populus tremula (woods). 

 *Rosa arvensis. 

 *Puibus glandulosus. 



*Serratula tinctoria (borders of Ball's 

 Wood). 



Stellaria glauca (Hertford Heath). 



Vinca minor (Box Wood). 



CRYPTOGAMS. 

 Asplenium Adiantum-nigrum (Hertford 



Heath, near Townsend Arms). 

 Athyrium Filix-foemina (?) (Pryor's 



Wood). 

 Lomaria Spicant (Hertford Heath). 



70. THE LEA VALLEY ABOUT HATFIELD, HERTFORD AND 

 WARE. 



The river Lea, from Hatfield onwards, pursues an easterly course towards 

 Ware ; meandering through meadows with slopes on the north side more 

 generally cultivated, while those to the southward are principally wooded. 

 Ball's Wood (referred to in the preceding locality), the woods of Bayford- 

 bury, Brickendonbury, about Essendon and at Hatfield Park, are all private 

 property and enclosed, and unless where crossed by a public road or foot- 

 path, cannot be entered without permission. North of the river are Ware 

 and Panshanger Parks. The Lea is an inconsiderable stream to within a 

 short distance of Hertford, although swelled by the drainage from the 



