114 



before the upper. When 

 the lower row is relaxed 

 the insects remain for a 

 time on the staminate 

 flowers and get covered 

 with pollen. The hairs of 

 the upper ring also soon 

 relaxes and the insects es- 

 cape, and go to a second 

 plant. Kerner von Mari- 

 laun records several thous- 

 and gnats belonging to 

 the genus Cteos^Oflroa in 

 one "flower." In all six. 

 teen species belonging to 

 the genera (JhironomuSi 

 InmQsmaa'Tid Sciara- In 

 aiKJther aroid, Dracuncu- 

 lus creticus, flies like 

 LuciUa and common 

 beetles like Aleochara 

 fuadpes, etc. , occur. More 

 th»n 250 common beetles 

 have been found in a single 

 flower of the Italian Dra- 

 cunculus vulgaris. 



Jack ■ in ■ the -Pulpit. 

 The large spathe is 

 arched over the central 

 column, the spadix; below 

 the edges overlap. The 

 spadix contains the flow- 

 ers, mostly one kind, but 

 also monoecious. It is 



