168 THE ORCHID REVIEW. [JuLy-Aucust, 1918, 
v | ODONTOGLOSSUM FORMOSUM. f 
MPROVEMENTS in Odontoglossums are being effected on various lines, 
| one of them being in the improved shape of the flower, and especially of 
the lip, in both of which the influence of O. Pescatorei is to be traced. The 
round shape of the flower and the broadly pandurate lip of this species have 
always been admired, as approaching the florist’s ideal, though the qualities 
of size and markings were wanting. The first step towards improvement 
was taken wheh O. Pescatorei was successfully united with O. crispum and 
Fig. 19. ODONTOGLOSSUM FORMOSUM. 
O. Harryanum, the first by M Jacob, resulting in O. armainvillierense, and 
the second by M. Ch. Vuylsteke, resulting in O. Rolfeze, which will ale; 
rank as two of the most beautiful of primary hybrids. A next step W® 
effected when M. Vuylsteke recrossed O. Rolfee with O. Pescatorel, 
resulting in O, formosum, which was exhibited by him at the Temple Show 
in 1905, and of which one of the flowers is here represented from 4 
photograph. At the succeeding Temple Show M. Vuylsteke showed a still 
more beautiful variety, O. formosum var. Diana, which gained an Award of 
