272 REPORT OF THE CONFERENCE ON GENETICS. 
Tertiary crosses, the result of two hybrids, and containing four species 
and three hybrids in their parentage : 
crispum x luteo-purpureum  crispum x triumphans 
Wilckeanum x loochristfnse 
[eater | 
Vuylstekei 
crispum x luteo-purpureum 
Wilckeanum x loochristiense crispum x Harryanum 
(te | 
| | 
Vuylstekei x crispo-Harryanum 
| . 
Vuylsteke 
crispum x luteo-purpureum triumphans x crispum 
[ese Fuet Abeaenl | | 
a iy 
Wilckeanum x loochristiense nobile x crispum 
NORAD AS ote Oe pene soc | | Aaa 
| 
Vuylstekei x ardentissimum 
unnamed 
ADDENDUM. 
Considering the future will so closely knit together Odontoglosswm, 
Cochlioda, and Oncidium, I think it well to add the particulars of these 
bi-generic hybrids up to the present date (November 27, 1906). 
Name of Plant. Original Appearance. Figured. 
Odontioda Vuylstekex Temple, May 31, 1904 O.R. July 1904, 208. 
as heatonensis R.H.S. March 6, 1906 
r Bohnhoffize = Sept. 25, 1906 
Odontonia Lairessee Le June 20, 1905 O.R. July 1905, 217 
Odontioda Vuylstekewe O. nobile x C. Noezliana Vuylsteke 
“ heatonensis O. cirrhosum x C. sanguinea Charlesworth 
Bohnhoftix O. cirrhosum x C. yuleanica Charlesworth 
Odontonia Lairessex O. crispum x Miltonia Warscewiezii de Lairesse 
