PRIMULACE. 
*Primula Vulgaris Passim 
* ,,  Veris Passim 
Lysimachia Nummularia Passim 
Anagallis Arvensis Passim 
POLYGONER. 
*Polygonum Amphibium Lea near St. Margarets 
* ,,  Lapathifolium Goose Green 
* .,  Persicaria Passim 
3, Hydropiper Goose Green 
* ,,  Aviculare Passim 
», Convolvulus Passim 
*Rumex Crispus Passim 
»  Sanguineus Passim 
»,  Hydrolapathum 
* ,,  Acetosa 
River Lea and its Tributaries 
Passim 
* ,,  Acetosella Passim 
CHENOPODIACEZ. 
* Chenopodium Album Passim 
* ,,  Bonus-Henricus* Hoddesdon 
EUPHORBIACER. 
*Euphorbia Helioscopia Near Hertford 
* ,, Amygdaloides Hertford Heath 
*-.,5, )) Replus Passim 
* ,, Exigua Passim 
*Mercurialis Perennis Passim 
URTICER. 
*Urtica. Urens Little Amwell 
* ,, Dioica Passim 
CANNABINEZE 
Humulus Lupulus Passim 
ULMACE. 
*Ulmus Campestris Passim 
SALICINEE. : 
Populus Tremula Hertford Heath 
*Salix Alba Hertford Heath 
* ,,  Caprea Passim 
* .,  Repens[S. Fusca] Hertford Heath and Goose Green 
CUPULIFERZ. 
#Quercus Robur Passim 
Fagus Silvatica Passim 
Corylus Avellana Passim 
Carpinus Betulus Passim 
BETULACER. 
*Betula Alba Passim 
Alnus Glutinosa Passim 
+ One specimen only, in a hedgerow, collected in 1874. 
