Yellow Water-lily (Nuphar lutea).—In the pond at the viaduct, Lower Heath. Note its flask-like seed-vessels, which have libelled it with the name of ‘brandy-bottle.’
Common Arrow-head (Sagittaria sagittifolia).—Margins of the same pond.
Small-flowered Hairy Willow Herb (Epilobium parviflorum).—Lower end of old watercourse.
Sweetgale (Myrica).—On West Heath.[301]
To this list I may add a few other plants found on the Heath and its vicinity by Messrs. Bliss, Hunter and others, leaving out those proper to Caen Wood, which is still rich in the plants that flourished on the Heath and in the woods when Gerard wrote:
Henbane (Hyoscyamus niger).—Near the Vale of Health.
Lesser Centaury (Erythræa pulchella).—In the same habitat and on the West Heath.
Great Yellow Loosestrife (Lysimachia vulgaris).—In a field near North End.
Lesser Periwinkle (Vinca minor).—Under the hedge in Belsize Lane.
Bog Pimpernel (Anagallis tenella).—Boggy places on the Heath, west side.