158 PLANT DISTRIBUTION.
Solanum nigrum. Garden Nightshade
Melampyrum arvense. Cow Wheat
Lithospermum arvense. Corn Gromwell
Orobanche minor. Broomrape
Cuscuta epithymum. Dodder
Galeopsis ladanum }
 Hemp Nettle
G. tretrahit } 
Lychnis vespertina. White Campion
Centaurea cyanus. Cornflower
Bupleurum rotundifolium. Hare's Ear
Valerianella olitoria Lamb's Lettuce
Linaria spuria. } 
 Toad Flax
L. minor. }
Scabiosa Succisa. Devil's Bit
Githago segetum. Corn Cockle
Lathy iis aphaca. Yellow Vetchling
Sisymbrium thaliana. Thale Cress
Campanula hybrida. Corn Bell Flower
Sagina procumbens. Hop Trefoil
Thlaspi arvense. Penny Cress
Gnaphalium sylvaticum }
 Cudweed
G. uliginosum }
Viscum album, Miseltoe
Populus tremula. Aspen
Adoxa moschatellina Moschatel.
Valeriana dioica. Marsh Valerian
Humulus lupulus. Hop
Sparganium ramosum. Bur Reed
Pyrus maius. Crab
Linaria vulgaris. Greater Toad Flax
Rhamnus frangula. Buckthorn
Lepidium smithii. Pepperwort
Potentilla anserina. Silver Weed
NOTES TO TABLE I.
(1) These are probably the most recent arrivals of all.
(2) These have been probably introduced artificially, and
some of them perhaps re-introduced from time to time.
TABLE II.
Plants which are well established and more widely distributed,
but which probably have not yet reached their culmination :—
Viola tricolor. Field Pansy
Scandix pecten-veneris. Venus's Comb
Scabiosa arvensis. Corn Scabious
Sonchus arvensis. Sow Thistle.
Mentha arvensis. Corn Mint
AEthusa cynapium. Fool's Paisley