166 REPORT OF THE CONFERENCE ON GENETICS, 
Salix Arbuscula, Linn. 
x Myrsinites (serta, /’. B. W.) 
x nigricans (Kraettliana, Briigg.) 
x phylicifolia 
lanata, Linn. 
x Lapponum (lanata-Lapponum, Linton) 
x reticulata (superata, f’. B. White) 
Myrsinites, Linn. 
x phylicifolia (Normanni, Anders.) 
x nigricans (Myrsinites-nigricans, Wimm.) 
herbacea, Linn. 
x lanata (Sadleri, Boswell-Syme) 
Lapponum (sobrina, f’. B. White) 
Lapponum x Myrsinites ? (eugenes, Linton) 
Myrsinites (Grahami, Baker) 
nigricans ? (Moorei, H. C. Watson) ? 
repens (cernua, Linton) 
reticulata (onychiophylla, Anders.) 
“ London Catalogue.” 
See ‘The Salix lists in the ‘London Catalogue,’”’ by E. F. Linton, 
M.A., “ Journ. Bot.” Noy. 1896, pp. 461-472. 
Populus alba x tremula (P. canescens), Hook., “ Student's Flora,” p. 369 
(supposed hybrid). In list of hybrids by Kerner. 
Orchis maculata x latifolia 
“ Babington’s Manual,” 9th ed., H. & J. Groves. 
x Gymnadenia conopsea 
“ Journ. Bot.” 1899, p. 360. 
Gymnadenia conopsea x albida 
“ Babington’s Manual,” 9th ed., H. & J. Groves. 
Habenaria viridis x Orchis maculata 
“ Journ. Bot.’ 1893, p. 56. 
Juncus effusus x glaucus (J. diffusus) 
acutiflorus x lamprocarpus 
Luzula Forsteri x vernalis (Borrer) 
“ Tondon Catalogue.” 
Potamogeton natans x lucens (P. fluitans is probably this) 
natans x Zizii (P. crassifolius) 
“Journ. Bot.,” with figure, 1890, p. 321. 
polygonifolius x —? (P. Griffithii) 
Drucei (possibly a hybrid) 
coloratus x Zizii (P. Billupsii) 
heterophyllus x pusillus (P. lanceolatus) 
natans x polygonifolius (P. sparganifolius) 
graminifolius x perfoliatus (under P. nitens) 
heterophyllus x perfoliatus (under P. nitens) 
Zizi x perfoliatus (under P. nitens) 
Zizi x perfoliatus (P. involutus) 
heterophyllus x Zizii (P. lucens var. coriaceus) 
lucens x perfoliatus (P. decipiens) 
x prelongus (P. longifolius Mr. Bennett believes 
to be this) 
PS ORS CrSe os Os 
