492 
WRIGHT : FOLIAR PERIODICITY 
1.—Ceylon and India—-cowfoL 
Leap- 
■PALL. 
New 
Leaves 
appeared. 
Com¬ 
menced. 
‘ 
Finished. 
j Leafless 
Period. 
Remarks. 
1 
Dec. 13 
Feb. 
Dec. 
None 
Oct. 28 
March 
do. 
S do. 
There are three 
April 1 
May 
May 
do. 
trees known 
Dec. 
March 
Dec. 
do. 
by this name. 
Their periodi¬ 
cities are des¬ 
cribed under 
headings A, 
Jan. 15 ! April 28 
May 7 
8 days 
B, and C. 
Jan. 20 
May 4 
May 12 
8 days 
Tree A show¬ 
Jan. 24 
May 2 
May 10 
7 days 
ed partial de¬ 
foliation on 
more than one 
occasion with¬ 
in the same 
year. 
January 
May 4 
May 10 
5 days 
Flowers appear¬ 
Dec. 
May 1 
May 7 
5 days 
ed on May 13, 
January 
do. 
April 30 
April 
May 8 
May 
7 days 
1902. 
J an. 23 
j 
Feb. 28 
Feb. 3 
None 
i — 
Leaf-fall con¬ 
spicuous dur¬ 
ing February 
and March, 
1903. 
! 
At Vavuniya in 
March, 1902, 
a tree shed a 
large part of 
its leaves. 
chelonioides, 
D.C. ; Pera¬ 
deniya. 
Tree A. 
1901- 02 
1902- 03 
1903- 04 
Peradeniya. 
Tree B. 
1902 
1903 
Peradeniya. 
Tree C. 
1902 
1903 
1904 
1905 
Vomica, L. 
Peradeniya. 
1903 
Terminalia 
glabra, W. 
and A.; Pera¬ 
deniya. 
Vitex altissima, 
L., f. 
