SOUTH DURHAM BALLAST HILL FLORA. 139 
Feniculum vulgare, Goertn.—Not uncommon; Port Clarence, 
Old and West Hartlepool. 
Pastinaca sativa, L.—Extremely abundant. 
Dipsacus sylvestris, D.—A few plants, Old and West Hartlepool. 
Helmintha echioides, Goertn.— West Hartlepool. I may men- 
tion that I have also found this plant in the hedges by the 
road side between Billingham and Cowpen, and in a 
similar situation about a mile and a half from Bishopton 
on the road to Sedgefield. 
Cichorium Intybus, L.—Scarce, West Hartlepool. 
Carduus tenuflorus, Curt.—Not uncommon on the Ballast 
Hills, but also a true native of our coast. 
Centaurea cyanus, L.—West and Old Hartlepool. 
Centaurea calcitrapa, L.—This interesting species grows 
Juxuriantly on the West Hartlepool Ballast Hills. There 
are several fine plants which rival those of the South of 
England, or the Channel Isles. 
Artemisia campestris, T—A single example, but that a very 
fine plant, growing at the southern extremity of the West 
Hartlepool deposit. The three more common species of 
the genus likewise occur. 
Erigeron Canadensis, .—Abundant a mile and a half along the 
Old Hartlepool hills, and a few plants observed at West 
Hartlepool. 
Senecio sylvaticus, L.—West Hartlepool, scarce. 
Senecio viscosus, L.—Sunderland, Seaham, Old and West 
Hartlepool. Most abundant in the last locality. 
Solanum migrum, 8.—Old and West Hartlepool, frequent. 
Linaria vulgaris, Mill.—Port, Clarence. 
ichium vulgare, L.—West Hartlepool, &c. 
Myposotis versicolor, Lehm.—Scarce, West Hartlepool. 
Chenopodium rubrum, L.— Seaham and West Hartlepool, 
scarce. 
Chenopodium glaucum, L.—Old and West Hartlepool. 
Atriplex arenaria, Wood.—Old Hartlepool, scarce. 
A. Babingtonu, Wood.—Abundant. 
A, litioralis, L.—Extremely abundant. 
