BILABIATE FLOWERS 



Fig. 52. MONKEY-FLOWER Mimulus glutinosus. 



long, and so invites only humming birds and the largest 

 moths. The other Mimulus has a shorter corolla, but by 

 having the throat nearly closed and covered with dense 

 hairs, it keeps out many small insects. One would expect 

 such exclusive flowers to proffer abundant hospitality to 

 their chosen guests, but they are much more showy than 

 generous ; they serve little honey, and bees and humming 

 birds are quick to learn this. In the day time one rarely 



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