Crocuses 33 



Another category of flowers are adapted for 

 fertilization by smaller flies and lay wait for these 

 foolish visitors with traps and snares, as does our 

 familiar " Jack-in-the- Pulpit.'* 



There are a few native plants which use carrion 

 and dung-flies as their messengers. The carrion- 

 flower of New England thickets is one of these. 

 They have a putrid smell, often very strong, and 

 dull-colored or greenish blossoms. 



Delphino's sixth class includes those plants 

 which seek to snare the fancy and secure the 

 services of beetles. These have large diurnal 

 blossoms with striking colors, very abundant pollen, 

 and nectar so placed that it is within easy reach. 

 Among these beetle-flowers is the magnolia. 



Next come the butterfly-flowers, with bright 

 corollas, and with their nectar concealed at the 

 base of a tube so long and narrow that only their 

 chosen guests can reach and sip it. And in the 

 eighth class Delphino places those flowers which 

 seek to please twilight and nocturnal moths. 



Some plants have become so dependent on the 

 ministrations of insects that they are no longer 

 able to set seed by aid of their own pollen. It 

 lies upon the pistil as powerless to awaken life as 

 if it were mere roadside dust. Some of the 



