A NEW LONDON FLORA. 



POLYGONUM CONVOLVULUS. Cornfields, frequent, 7-9. In almost every 

 cornfield ;* also in market gardens.* 



POLYGONUM DUMETORUM. Thickets, rare, 8-9. Cornfields near Farnham, 

 beyond Sir G. Barlow's garden; wood near Mickleham? (in 1835); 

 hedge in Shiere parish ; road from Wok ing Common stat. to Guildford ; 

 Witley Lagg. 



POLYGONUM AVICULARE. Waysides, and waste places, common, 5-9. 

 Everywhere in the suburbs.* 



POLYGONUM HYDROPIPER. Borders of pools and in ditches, common, 8-9. 

 (Plentiful on Hampstead Heath* (in holes); Harrow Road, &c.*) 



POLYGONUM MINUS. Gravelly and watery commons, not uncommon, 8-9. 

 Ditton Marsh, by the roadside ;* Colney Heath ;* grassy commons near 

 the village, Pirbright Heath ;* ditto, near Worplesdon ;* Wimbledon 

 Common ; borders of Frensham pond ; Epping Forest ; Great Warley. 



POLYGONUM MITE. In similar situations, rare, 8. 



POLYGONUM PERSICARIA. Moist ground and waste places, frequent, 7-10. 

 Everywhere in the suburbs, and often in gardens.* 



POLYGONUM LAPATHIFOLIUM. Fields and dunghills, frequent, 7-9. In 

 the suburbs, everywhere, and often on dunghills about farms.* 



POLYGONUM AMPHIBIUM. Margins of ponds, ditches, and damp grounds, 

 frequent, 7-8. Plentiful on the banks of the reservoir at the Welsh 

 Harp, Hendon, and by the Brent.* 



POLYGONUM BISTORTA. Moist meadows, not common, 6-9. In the 

 meadow below Bishop's Wood (olim, now rather scarce) ; river-side, 

 Uxbridge ; and about Rickmansworth ; Wotton meadows ; Shiere ; 

 Blackwater meadows. 



POLYPOGON MONSPELIENSIS. Moist pastures, and borders of ditches by 

 the Thames, very rare, 6-8. By the great ditch near Purfleet (?) olim ; 

 a mile and a half from Tilbury towards Grays, in ditches, opposite W. 

 end of Northfleet ; Greenhithe (?) ; near the Butts on Plumstead 

 Common ; Canvey Island, between the chapel and the river, and near 

 the World's End. 



POLYPOGON LITTORALIS. In similar situations, and equally rare, 7. 

 Canvey Island, between the chapel and the river* (E. de C.) ; (yes, littoralis, 

 H. C. Watson) ; near the powder magazine, Woolwich (half-way to Erith), 

 o/m(?); Southend. 



POPULUS ALBA. Moist woods, rare, 3-4. Epping Forest ;* Pinner 

 Wood ;* about London (but planted ?) ;* between Southend and Leigh. 



POPULUS CANESCENS. Wet, turfy meadows and dry heaths, frequent, 3-4. 

 Plantations about London, not uncommon ;* by the Thames, near 

 Richmond ;* roadside near Colney Hatch ;* pasture through which a 

 footpath runs up to Hampstead from the Finchley road ;* a 9 tree on 

 Barnes Common ;* near Ongar. 



POPULUS TREMULA. Moist woods, not common, 3-4. Epping Forest, near 

 High Beech ; Hertford Heath, a tree or two,* may be more there- 

 abouts, especially in Ball's Wood ; by the Cran, near Hounslow ; Bishop's 

 Wood, Highgate ; Harrow Weald ; Warley Common ;* on the Holmwood. 



Populus nigra. Watery places, and by river-sides, not uncommon ; but 

 probably planted, 4-5. Some fine 9 trees by the river, between 



