^5 



PIG, 39. 

 Fig-, 39. Transport of pollen by insects laying- eg^gs in ovary. 1, Tncca (Y. 

 WMppUi). 3, A single opened flower with iesect Pronuba yuccasella, 3, Stigma 

 of the same. 4. The insect flying to the flower, 5^ Head of the Pronuba with a 

 ball of pollen from the flower, 6, FiciLS pum&a. 7, A. single flower taken from 

 lower part of the urn of the same species. 8-9, Stamens, upper part of the urn, 

 10. Fieus carica (common fig) with galls of Bla■st^lphaaa. 11. Same with fertile 

 flowers showing wasps. 12, Stamlnate flowers. 13. Pistillate flower with long 

 style 14, One of the pistils developed into gall. 15, Inject coming from gall. 

 (After Eerner von Marilaun.) . 



