164 REPORT OF THE CONFERENCE ON GENETICS. 
Euphrasia gracilis x brevipila 
scotica x gracilis 
Rostkoviana x brevipila 
x nemorosa 
Are recognised as British by Mr. Townsend. 
“ Babington’s Manual,’ 9th ed., H. & J. Groves. 
Scutellaria galericulata x minor 
“TLondon Catalogue.” 
Stachys palustris x sylvatica (S. ambigua) 
“ London Catalogue.”’ 
“ Journ. Bot.’ 1895, p. 167. 
Mentha aquatica x M. sylvestris (M. nemorosa) 
Kerner’s “ Natural History of Plants,” vol. ii. p. 586. 
Primula acaulis x elatior 
7} x veris (P. variabilis), False Oxlip, is found over almost 
the whole of Europe. 
elatior x veris 
“Tondon Catalogue.” 
Limonium humile (Statice Limonium, sub-sp. rariflora) x L. vulgare 
(S. Limonium) = Limonium Neumani, Salmon 
See description with plate in “ Journal of Botany,” 1904, p. 361. 
Occurs at Basham in West Sussex. 
Rumex conglomeratus x maritimus 
x obtusifolius 
x pulcher 
pulcher x rupestris 
obtusifolius x pulcher 
crispus x domesticus (R. acutus) 
x obtusifolius (R. acutus) 
x pulcher 
x sanguineus 
domesticus x obtusifolius (R. conspersus, Hartm.) 
“ Tondon Catalogue.” 
aquaticus x Hydrolapathum (R. maximus) 
Kerner’s “Natural History of Plants,’ translated by Oliver, 
vol. ii. p. 586. 
Polygonum Hydropiper x P. Persicaria (Polygonum mite) 
Kerner’s “Natural History of Plants,” translated by Oliver, 
vol. i. p. 586. 
Salix, Linn. (ordine, #. Ff. Linton) 
triandra, Linn. 
x viminalis (hippopheefolia, Wimm. et Grah.) 
x alba (undulata, Hhrh.) 
fragilis, Linn. 
x pentandra (cuspidata, Schaltz) 
x triandra? (decipiens, Hoffm.) 
alba, Linn. 
x fragilis (viridis, Fries). 
x pentandra (hexandra, Hirh.) 
