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PETA, FS GAGND TH IETS Say pee 
IV ON PLANT LIFE 125 
anthers? Why is the corolla white, while 
the rest of the plant is green? 
The honey of course serves to attract the 
Humble Bees by which the flower is fertilised, 
and to which it is especially adapted; the 
Fig. 7. Fig. 8. 
white colour makes the flower more conspicu- 
ous; the lower lip forms the stage on which 
the Bees may alight; the length of the tube 
is adapted to that of their proboscis; its 
narrowness and the fringe of fine hairs exclude 
small insects which might rob the flower of 
its honey without performing any service in 
return; the arched upper lip protects the 
stamens and pistil, and prevents rain-drops 
from choking up the tube and washing away 
the honey; the little teeth are, I believe, of 
