Botany. 151 



(241) LEONTODON, L. 



1000. L. hispidus, L. 6 9, P. Banks, roadsides, pastures ; com. 



1. Chalky banks, Down, '03, and Shoreham, '05. W.H.G. 



1001. L. autumnalis, L. 8. P. Meadows, pastures, waste places ; 



com. Much visited by insects. 



1. Gravelly roadside waste, Greenstreet Green, '02. 

 W.H.G. 



1002. TARAXACUM officinale, Web. a 10, P. Cultivated and 



waste ground, hedges ; very common. Plants growing in 

 shady places or on a rich soil have aim. undivided leaves. 

 Fls. close at night ; many insect visitors. The type is 



DENS-LEONIS, Desf. (DANDELION). 



var. b). erythrospermum, Andrz. Dry places. 



1. Erith ; Belvedere ; old walls nr. Dartford ; railway 



bank, Crayford. Dod. 



2. Upper slope of Darenth Valley, W. of Shoreham, '06. 



W.H.G. 



3. Dartford Heath. H. 



(243) LACTUCA, L. (LETTUCE), 78, B. 



1003. L. virosa, L. Dry or waste places, especially near the sea 



and tidal rivers. 



1. Eltham ; Northfleet. Jackson. 



2. Marshes near Crossness. Dod. 



3. Stone, M. ; Dartford, Reeves. 



4. Waste ground above Swanscombe Marshes, '03. 



W.H.G. 



1004. L. serriola, L. (SCARIOLA, L., B. & H.). As 1003. Gen. 



a damp shade plant, but when growing in dry, sunny places 

 it acts as a compass plant with diurnally orientating leaves. 



1. Manor Way and Plumstead Marshes, '94. Dod. 



2. Waste ground, Swanscombe Marshes, '03. W.H G. 



3. E. Wickham brickfield, '07. J.F.B. & W.H.G. 

 a. First record, 1805 : sandpit in Charlton Wood. 



1005 L. saligna, L. Maritime and estuarine Marshes ; rare. 



1. Between Gravesend and Shornemead, and below the 



Fort. Dod. 



2 Bank of Dartford Creek, '01. W.H.G. 

 [3 Thames Wall, Stone Marshes, '03. W.H.G. 



