j 
1893.] Briefer Articles. I1E 
Hybrids among the white oaks are not common. @Q. macrocarpa 
hybridizes with @. a/da,t but I find no record of a hybrid between Q. 
prinoides and any other species although Vasey records one between 
Q. alba and Q. Prinus.* 
Plate vit shows the twig, acorn and two cups natural size, and leaves 
one-half natural size—A, S. Hircucock, Kansas State Agricultural 
College, Manhattan. 
A graft hybrid.—The following example of graft hybrid came under 
my observation two or three years ago. The number of such cases is 
nb oece that it is perhaps worthy of description. The plant belonged 
one Dixson, at present librarian of the University of Chicago. The 
ollowing is her description of the method she used in grafting: “I 
took two strong healthy plants, one a pure white and one a pure red 
wingle — geraniums) and grafted them together at the root in 
: ‘ons using common grafting wax and binding with long 
oe se The first year there was little accomplished except 
of the Ses ae alive. In the fall I planted it in the sunniest corner 
ered Seabee plenty of rich soil. It grew rapidly and soon flow- 
sometimes ig At first there were red flowers with blotches of white, 
Second oF SS aap white petal and’ all of the others red. The 
conditions of i Oa two plants were fairly wedded into one life on 
in almost teal olute equality. The heads would show red and white 
ers, two “To alate I remember one cluster with three white 
and grew aed ones and the rest pure red. It lived for four 
Porch raj),” € such a bush that it had to be trained against the 
At the time I saw the 
lant the mi : 
ore marked thin the P ixture of red and white was even 
; ™ had two red condition which Mrs. Dixson describes. One 
‘Nd and the othér m — and the rest white, another had some pure 
| t plant seem 2k ed with white, etc. I could not discover that 
Other one €a to have influenced the hybrid any more than the 
- The . : 
BERT y Were certainly fairly “ Sine a 
L. Jones, Camby sks ohn y fairly “wedded together.”—HER 
‘Engel 
Mann, Tr. ci 
. ie aa, ae St. L. heed. Sci. HI. 397. E. Hall, Amer. Ent. and 
Bull. Fr. Bot. Club X. 25, 26, 
