VASCULAR PLANTS. 67 



ORDER X. UMBELLALES. 



Ovary inferior; loculi 1-ovulate. Stamens al- 

 ternate. 



Family xxviii. Umbelliferae. 



Stamens 5, alternate with the petals. Ovary 

 2-locnlar; styles 2. Fruit a scliizocarp (Crem- 

 ocarp). 



1. Caucalis, L. 



Umbels regularly compound- Secondary ribs 

 of the cremocarp more prominent than the pri- 

 mary. Margins of the mericarp inflexed. 



. flowers white. 



2 - DailCUS, Tournei. 



Umbels regularly compound. Secondary ribs 

 of the cremocarp more prominent than the pri- 

 mary; intervals 1-vittate. Face of the mericarp 

 flat. 



0.00. flowers white. 



3. Ferula, Tournef. 



Umbels regularly compound-. Cremocarp 

 dorsally compressed; marginal libs winged; 

 wings coherent; dorsal ribs filiform; vittae go. 



li . flowers yellow. 



4. Heracleum, L. 



Umbels regularly compound. Cremocarp 

 dorsally compressed; marginal ribs winged; 



