Chenopodium 



urbicum 

 - , , album 

 ,, ficifolium 



Upright Goosefoot 

 White 

 Fi^leaved , , 



,, polyspernum 

 , , hybridum 

 Atriplex patula 

 , , var. angustifolia 

 ,, var. erecta 



,, var. deltoidea 



Many-seeded ,, 

 Maple-leaved ,, 

 Common Orache 



Rare. Ware Brickfield (G. ). 



Three varieties are recognised. 



Not common. Rye House (Fl.H.) 



Broxbourne Station (Fl.H.). 

 Near Franksfield Farm (G. ). 

 Ware Brickfield (G.). 



Rare. Mangrove Lane (?). 

 Hertford Gasworks (?). 



hastata 



Hastate-leaved Orache Lea Valley (?) 



POLYGONACEAE, 

 Rumex 



hydrolapathum 

 crispus 

 obtusifolius 



The Polygonum Family, 



sangumeus 



Water Dock 

 Curled Dock 

 Broad Dock 

 Red-veined Dock 



conglomeratus Clustered Dock 



pulcher 

 acetosa 

 acetosella 



fPolygonum 



dumetorum 



t , , convolvulus 



Fiddle Dock 



Sorrel 



Sheep-sorrel 



Copse Polygonum 

 Climbing Btickwheat, 

 Black Bindweed 

 bistorta Bistort, Snakeweed Meadows 



amphibium Amphibious 



Polygonum 

 lapathifolium Pale Polygonum 



The Lea. 



Rare. Hertford (?) ; Hoddesdon (?). 



Rare. Cornfield nr. Mississippi, 1901. 



Ditches by the Lea. 



On rubbish occasionally. A variety 



called " maculatum " or " laxum " 



in Fl.H. 



persicaria 

 hydropiper 

 aviculare 

 fagopyrum] 



Persicaria 

 Waterpeper 



[Bzickwheatl 



Four varieties in Fl. H. 

 Ware Brickfield, 1889. 



[Aristolochia 



clematitis] 



Aristolochl^ceae. The Aristolochia Family. 

 [Old ruins]. 



Euphorbiaceae. The Spurge Family. 

 Euphorbia 



platyphyllos Broad Spu7-ge Rare. Mangrove Lane (Fl.H.) ; Bay- 



ford fields (G.). 



