474 WRIGHT : FOLIAR PERIODICITY 
colorata, Bombax malabaricum, Erythrina indica, Gmelina 
arborea, Gyrocarpus Jacqaini, Chickrassia tabularis, and 
Spondias mangifera the flowers are produced when the tree 
is perfectly leafless and the production of flowers does not 
usually occur after the tree is in full leaf. 
In other four species the flowers always appear with the 
young leaves as in Dalbergia frondosa, Stereospermum 
chelonioides, Vitex Leucoxylon, and Sterculia fcetida. 
1$ other three species the production of flowers is delayed 
until all the leaves have been produced. In Melia dubia 
the flowers appear soon after the new leaves, but in the case 
of the other two species, Bridelia retusa and Lagerstrcemia 
Flos-reginae, a considerable time may elapse between the 
full leaf and flowering periods. Most of the deciduous 
species in which the relationship of these periodicities has 
not been observed probably belong to this group. 
Other species show a mingling of the two periodicities 
m various ways. For instance, some trees of Albizzia 
stipulata and Schleichera trijuga produce their flowers with 
the new leaves and continue to do so when the tree is in full 
leaf. Others such as Pongamia glabra, Phyllanthus Emblica, 
and Chloroxylon Swietenia commence to produce flowers 
when the trees are leafless and continue to do so until the 
new leaves are developed. In the case of Eriodendron 
anfractuosum, there is a eopious production of flowers when 
he tree is leafless and flower production continues through 
the young leaf stage until the tree is in full leaf 
shlH erade fl the maj ° rity0f Plants wh «*her ^orescent, 
shrubby or herbaceous seem to produce large numbers of 
7 ^ ^ h0t Peri ° d8 ’ th ° agh thi8 i8 by means 
the case with every species in the district. 
ba^am^’ ^ “ d £roit «f Bomba* mala- 
oancum are of more than usual interest u 
become discoloured and fall in Decemhe a ^ 
m Uecem ber, and, after the 
