208 SAPINDACE^. 



PLATE 177. ^scuLus glabra ; — details of the flower and fruit. 



1. One of the upper petals, enlarged. 



2. One of the lower petals, enlarged, seen from the inside. 



3. Outside view of the upper part of a stamen, magnified. 



4. A magnified stamen, seen from the inner side. 



5. Pistil and receptacle (showing the unilateral disk), magnified. 



6. Transverse section of the ovary, more magnified. 



7. Vertical section of the same, displaying the position of the ovules. 



8. An ovule (one of the upper), magnified. 



9. Transverse section of a fertilized ovary, less magnified than fig. 6 ; the 



single fertilized ovule filling its cell and pressing upon the others, 

 which remain sterile. 



10. The pod of the natural size, dehiscent. 



11. Seed of the natural size, showing the large hilum. 



12. Section of the same in the same position, dividing the radicle as well 



as the large cotyledons. 



13. The embryo detached entire. 



