Wall-peppe} 



tSedum acre 

 [Sempervivum 



tectorum] \_Hoiiseleek'] 



On walls at Hertford, etc. 

 [On cottage roofs]. 



RiBESIACEAE. ThE RiBES FAMILY. 



[Ribes grossularia] [Gooseberry] 



[ ,, nigrum] [Black Curra?tt] Waterford Marsh (G.). 



[ ,, rubrum] [Red Currant] Waterford Marsh (G. ). 



Saxifragiaceae. The Saxifrage Family. 



fSaxifraga granulata Meadow Saxifrage Gallows Hill, etc. 



t ,, tridactilytes Rue-leaved Saxifrage GxaycWy mea.do^'S. 

 fChrysosplenium 



oppositifolium Golden Saxifrage Hoddesdon Brook. 



Halorageae. The Marestail Family. 

 Myriophyllum 



spicatum Water Milfoil The Lea. 



,, verticillatum Whorled Water 



Milfoil The Lea near Amwell ( Fl. H. ). 



fHippuris vulgaris Marestail The Lea above Hertford, etc. 



Umbelliferae. The Umbellate Family. 



fHydrocotyle vulgaris 

 fSanicula europaea 



Apium nodiflorum 

 t ,, inundatum 



Sison amornum 



Aegopodium 



podagraria 



Carum carvi 



Slum angustifolium 



Pimpinella saxifraga 

 , , magna 



Marsh Pennywort 

 Wood Sanicle 

 Procumbent Apium 

 Lesser Apium 

 Hedge Sison 



Goutweed 

 Caraway 

 Lesser Slum 

 Burnet Saxifrage 

 Greater Burnet 

 Saxifrage 



Bupleurum 



rotundifolium Hares-ear 

 Oenanthe 



phellandrium 

 ,, var. fluviatilis 

 , , fistulosa 

 fAethusa cynapium 

 fSilaus pratensis 

 Angelica silvestris 



Five-leaved Oenanth 



Water Dropwort 

 Fool's Parsley 

 Meadow Si la us 



Wild Angelica 



The Heath. 

 The Heath. 



The Heath ; Brickendon Green. 



? indigenous. Twenty Acre, 1890. 

 Near Hertford ; near Ware. 

 Near Hertford, etc. 



Mangrove Lane, etc. (Fl.H.). 



Hertford, near Gasworks (G.). 



Upland Ponds. 

 The Lea. 

 Brickendon (G.). 



