244 Class XXIII. Order I. 



282. NYSSA. Perfect flowers, calyx five part- 

 ed ; corolla none : stamens five ; pistil one ; drupe 

 inferior. Barren flowers, stamens ten. 



283. FRAXINUS. Perfect flowers, calyx none 

 or four parted ; corolla none or four petalled ; sta- 

 mens two ; pistils one ; capsule flattened ; seeds 

 mostly solitary, pendulous. Fertile flowers, pistil 

 one, lanceolate. 



