Vol. os No. 10.] Notes on the Pollination of Flowers. 521 
[N.S.] 
65. Notes on the Pollination of Flowers in India, Note No. 3—The 
Mechanism of six flowers of the North-West Himalaya.—By 
1. H. Burkitt. 
_ The following are wayside notes made in marching through 
the hills and valleys north and west of Simla, in May—the hottest 
and dryest month of the year, when the shade temperature at the 
lower levels passed daily far above blood heat. 
Apnatopa Vasica, Nees. 
The conspicuous flowers of Adhatoda Vasica are in spikes, but 
they open only a few at a time, They are large, white and 
honied, The plant grows as a small bush in waste lands and on 
the borders of fields very plentifully below 4,000 ft., and flowers 
from December to June. 
The tube of the corolla is 12 mm, long and curved a little: 
near its base the lumen is constricted by four indentations from 
hairs obstructing a free passage down to the honey: the sides of 
anthers are no longer covered b the hood ; the e . 
apart or mo hile this is happening, the upper part of the 
to bring the stigma exactly where the anthers 
DicnipterRa BUPLEUROIDES, Nees. 
The’ flowers of Dicliptera bupleuroides are numerous 
enough to make the plant quite conspicuous'on the road-sides and 
