NoVEMBER, 1909.) THE ORCHID REVIEW. 339 
ODONTOGLOSSUM x PERCULTUM. 
THE annexed figure represents a very interesting and beautiful group of five 
seedling Odontoglossoms, raised in the collection of the late Norman C. 
Cookson, Esq., Oakwood, Wylam-on-Tyne (gr. Mr. H. J. Chapman). The 
photograph was taken by Mr. Chapman, who kindly forwarded us a copy, 
and recorded its history as follows : 
** All were raised from the same pod of seeds, obtained by crossing 
O. X Rolfeze Oakwood var. (Harryanum X Pescatorei) with the pollen of 
Fig. 27. -ODONTOLOSSUM X PERCULTUM. 
O. X ardentissimum Cooksone (crispum X Pescatorei). The offspring thus 
consist of one half O. Pescatorei and one fourth each O. crispum and O. Harry- 
anum. There were a number of absolutely spotless forms, as seen in the 
lower left-hand corner of the illustration, and many others linking up the 
different steps, until O. x percultum Cookson’s var., which is represented 
in the centre of the photograph, was obtained. The flowers of this variety 
have a peculiar shade of slaty or bluish purple.” This variety received a 
First-class Certificate from the R.H.S. on April 6th last, as recorded at 
page 146. The above figure is very interesting, and gives a graphic 
