168 



A NEW LONDON FLOEA. 



*Chlora perfoliata (pits). 



*Cichorium Intybus. 



*Clernatis Vitaiba. 



*Crepis taraxacifolia ; fcetida ; *biennis. 



*Cynoglossum officinale (abundant by the 



canal 1 mile from Gravesend). 

 *Cynosurus cristatus (pit bottoms). 



Dianthus Armeria (between Shorne and 

 Stroud). 



Digitalis purpurea (woods and copses). 

 *Diplotaxis tenuifolia (pits, abundant). 

 *Echium vulgare. 



Epipactis latifolia (woods at Cliffe). 

 *Erythreea Centaurium (also at Shorne, 



&c.). 



*Euphorbia platyphylla (fields). 

 *Festuca sciuroides (flats, Northfleet). 



Foeniculum vulgare. 



Galium tricorne (fields towards Cob- 

 ham) ; anglicum (chalk-cliffs). 



Gastridium lendigerum (cliffs). 



Gentiana Amarella (pits). 



Helleborus fcetidus (chalk- cliffs). 

 *Helminthia ecbioides (Higham, &c.). 



Hieracium sylvaticum. 

 *Hippocrepis comosa (on the chalk) . 

 *Hordeum maritimum ; *pratense. 

 *Hydrocharis Morsus-range (ditches, flats 



at Higham, abundant). 

 *Hypericum hirsutum ; *perforatum. 

 *inula Conyza (pits, &c.). 



Iris fcetidissima (woods). 

 *Juncus maritimus. 



Lactuca saligna (near Cliffe). 

 *Lemna polyrhiza (marsh ditches). 

 *Lepidium ruderale. 

 *Lepturus filiformis (plentiful l miles 



or so from Gravesend by the canal). 

 *Linaria minor (pits) ; *spuria (fields) ; 



repens (cliffs). 

 *Linum catharticum (pits). 



Listera ovata. 



Lithospermum officinale ; *arvense. 

 *Lysimachia Nummularia (pit bottoms). 

 *Melilotus officinalis. 



Myosurus minimus (cliffs). 

 *Nepeta Cataria (roadside, Northfleet). 

 *0nonis arvensis. 



Onopordum Acanthium. 



*0phrys apifera ; muscifera ; aranifera ? 

 Orchis pyramidalis ; fusca ; *maculata. 



*Papaver hybridum (fields towards Cob- 

 ham). 



*Parietaria diffusa (cliffs, abundant). 



*Pastinaca sativa. 



*Petroselinum segetum (cliffs). 



*Pimpinella Saxifraga. 



*Potamogeton pusillus (ditches, flats). 



*Poterium Sanguisorba. 



*Reseda lutea ; *Luteola. 



*Samolus Valerandi (ditches on the flats). 



*Saponaria officinalis (lane leading from 

 Shorne to the flats, plenty). 



*Scabiosa Columbaria. 



*Scandix Pecten-Veneris (fields). 

 Scilla autumnalis (Shorne Warren). 



*Scirpus maritimus. 

 Sclerocbloa rigida ; *maritima. 



*Sedum sexangulare (old walls, Higham) ; 

 *reflexum. 



*Sison Amomum (Shorne). 

 Sium latifolium (Northfleet). 



*Smyrnium Olusatrum (pits, Northfleet). 



*Sparganium ramosum (ditches on the 

 flats). 



' Specularia hybrida (fields). 



*Spergularia neglecta. 



*Statice Limonium (by the Thames). 



*Torilis nodosa (flats, and on banks). 

 Trifolium maritimum ; scabrum ; stria- 

 turn. 



*Triglochin maritimum ; *palustre. 



*Triticum junceum (flats). 



* Verbascum Thapsus. 



*Viburrmm Lantana. 



*Zannichellia palustris (ditches on the 

 flats). 



CRYPTOGAMS. 



Anomodon viticulosum. 



Ceterach officinarum (Cliffe Church). 



Homalothecium sericeum. 



Hypnum lutescens ; filicinum ; Crista- 



Castrensis (? molluscum) ; nitens. 

 Neckera crispa (chalk cliffs, Gravesend). 

 Thuidium abietinum. 



65. GRAYS AND TILBURY. 



These localities opposite Northfleet and Gravesend, on the Essex side, 

 are somewhat similar as regards the flats by the river and bordering 

 chalk. The country however, comparatively speaking, is a low-lying 

 one, for although higher ground is apparent at no great distance in- 

 land, it can hardly be regarded as hilly. The chalk banks, with exten- 

 sive recent excavations at Grays, are little above the level of the plain, 

 and are covered with two or three feet of gravel drift. Bordering the 



