NOTES ON SOME CURIOSITIES OF ORCHID BREEDING. 479 



more wavy in outline " (shown at Eoyal Horticultural Society, 

 December 15, 1896). 



Therefore it is manifest that neither self-fertilisation nor 

 parthenogenesis will hold good in these cases. Nor can they be 

 due to the natural prepotency of Z. Mackayi as a parent, for we 



Fig. 110. — Zygo-Colax x Veitchii (Zxgopetalum ceinitum$ x Colax 

 jugosus<?). (Journal of Horticulture.) 



know of three other hybrids at least, having Z. Mackayi as a 

 parent, which are all fairly intermediate in character : — (1) Z. x 

 Sedenii (Z. maxillare $ x Z. Mackayi Veitch, Gardeners' 

 Chronicle, 1874, p. 290. (2) Z. x leucochilum (Z. Mackayi 

 intermedium ? x Z. Burkei <?), Orchid Beview, iv. p. 62. 



