VASCULAR PLANTS. G9 



10. Osmorrhiza Rafin. 



Umbels regularly compound. Cremocarp 

 terete, elongate, angulate, sulcate, hispid; vit- 

 taB 0. 



U. flowers white. 



11. Sium, L. 



Umbels regularly compound. Cremocarp 

 laterally compressed, oblong. Mericarp dor- 

 sally convex, plane on the face, 5-ribbed; ribs 

 filiform; intervals more than 1-vittate. 



U- flowers white. 



12. Cicuta, L. 



Umbels regularly compound. Cremocarp 

 laterally contracted; ribs flattened; intervals 

 1-vittate. Mericarp terete. 



2£. aquatic; flowers white. 



13. Berula, Koch. 



Umbels regularly compound. Cremocarp 

 laterally contracted, ovate. Mericarp terete 

 5-ribbed; lateral ribs not contiguous; epicarp 

 thick, corky; ribs filiform; intervals oo-vittate. 



2£. aquatic; flowers white. 



14. Pimpinella, L. 



Umbels regularly compound. Cremocarp 

 laterally contracted, ovate. Mericarp convex 

 dorsally, plane on the face, 5-ribbed; ribs fili- 



