68 A NEW LONDON FLORA. 



SINAPIS NIGRA. By hedges and in waste places, 6-9, not very frequent. 

 Plentiful on the clay bank, between Leigh and Southend, by the 

 Thames.* 



Sisox AMOMUM. By hedges and roadsides ; frequent, 8-9. Abundant 

 about Brondesbury ;* Harlesden and Willesden ;* between Dorking 

 and Ranmore Common ; of constant occurrence, and in every description 

 of locality.* 



SISYMBRIUM OFFICINALE. Waste places, common, 6-7. Everywhere in 

 the outskirts.* 



SISYMBRIUM IRIO. Waste places about London ; rare, 7-8. Near the 

 gasworks, Hertford. 



SISYMBRIUM SOPHIA. Waste places, among rubbish ; rare, 6-8. Box 

 Hill (?) ; about Erith ; Northfleet ; Harefield ; near Weybridge ; 

 Grays Thurrock ; Purfleet ; Tilbury; between Stanstead and Ware, 

 and road to Ware Park ; gravel pit by road to Wotton, Herts. 



SISYMBRIUM ALLIARIA. Hedgebanks and waste places ; common, 5-6. 

 Roadside hedges everywhere in the environs. (Tottenham ;* Neasdon ;* 

 &c.) 



SIUM LATIFOLIUM. Riversides, ditches and watery places ; rare, 7-8. 

 Thames, near the reservoirs, Barnes, one large root ; near Weybridge, a 

 plant or two ;* ditch between Ditton, and Ditton Green ; by the Roding ; 

 in the river, by St. Mary Cray ; marshes below Woolwich ; river at 

 Harefield (?) ; about Northfleet ; Merstham pools, between Rotherhithe- 

 and Deptford ; Sonning. Berks ; ponds at Wargrave, and foot of Winter 

 Hill, Berks ; Thames, Middlesex side between Twickenham and Richmond. 



SlUM ANGUSTIFOLIUM. Ditches and slow streams, not unfrequent, 7-8. 

 In the Colne, between Rickmansworth and Uxbridge, and in - ditches 

 by the towing-path ;* in the Cran at Babe Bridge ;* ditches in the 

 Lea meadows ;* canal at Greenford. 



SMILACINA BIFOLIA. Rare, 5-6. Caen Wood, Highgate. 



SMYRNIUM OLUSATRUM. Waste ground, generally near the sea ; rare, 

 4-6. Dorking chalk-pit ; road from Mickleham to Dorking ; near 

 Dartford ; Stone chalk-pit ;* Greenhithe chalk-pit, scarce ;* North- 

 fleet chalk-pits, plentiful ;* about Gravesend ; between Uxbridge and 

 W. Drayton (?) ; about Rochester ; Purfleet ; Tilbury. 



SOLAXUM NIGRUM. Waste places, also on cultivated land, common, 6-11. 

 Everywhere in the environs. (Hampstead Heath, near ;* waste ground 

 about Brondesbury ; about West-end, Hampstead ;* fields, Putney, 

 Fulham, Tottenham &c.*) 



SOLANUM DULCAMARA. Hedges and thickets ; common in cultivated 

 districts, 6-8. (Hedges about Hendon ;* Kingsbury ;* Tottenham ;* 

 Woodford;* &c.) 



SOLIDAGO VIRGAUREA. Woods and thickets, common, but rare on the 

 chalk, 7-9. Hampstead Heath, among the Fern ;* on all the Surrey 

 heaths ;* roadside from Weybridge to Chobham Common ;* Bucks, 

 heaths ;* Epping Forest ;* Leith Hill ;* Holmwood Common ;* Chisle- 

 hurst Common;* woods at Warley ; Keston Common; Ball's and 

 Bayford woods ; Broxbourne and Wormley woods ; Harefield and 

 Pinner woods ; Oxhey Wood. 



