390 REPORT OF THE CONFERENCE ON GENETICS, 
‘Odorus,’ so far, has given no seed, and its pollen is hard to get; but I 
have two seedlings from this cross, one from a bicolor which gives a 
charming ‘ Tridymus ’ midway between the two parents, the other a self- 
yellow ‘ Tridymus ’ equally intermediate. 
 LONDONETCH.CO 
Fic. 108.—Srnpiine rrom ‘M. J. BERKELEY.’ 
(82 inches across; pollen parent unrecorded; perianth white; trumpet pale sulphur 
changing to pure white. 
In crossing narcissus, where the bloom of the seed-parent is not 
required for other purposes, I cut the bloom with a short stalk, cut away 
perianth and corona and remove the pistil: this leaves a sort of paint- 
brush, so to speak, with which it is easy to dust the pistil of the seed- 
