(177) 



5. Peucedanum L. 



Umbels regularly compound. Cremocarp 

 dorsally compressed. Marginal ribs winged. 

 Wings coherent. Vittas as long as the meri- 

 carp. If. 



1. P. DASYCAKPUM Torr. & Gray. Leaves 

 much dissected; cremocarp tomentose; flowers 

 white. Common. Summer. 



Smell of entire plant like celery. 



2. P. UTRiouLATUM Nutt. Leaves much dis- 

 sected; cremocarp glabrous, distinctly ribbed; 

 flowers yellow. Common. Summer. 



3. P. CARUIFOLIUM Torr & Gray. Leaves much 

 dissected; cremocarp glabrous; dorsal ribs ob- 

 solete, only the marginal ones developed; flow- 

 ers yellow. Common. Summer. 



4. P. TRITERNATUM Nutt. Leaves 2-ternate 

 to 3-quinate; umbellules involucellate; flowers 

 yellow. Contra Costa. Summer. 



5. P. LEIOCARPUM Nutt. Leaves 2-ternate 

 to 3-quinate; umbellules naked; flowers yel- 

 low. Livermore. Summer. 



The roots of several species of Peucedanum 

 have been used as food, but as those used in 

 this way are not sufficiently identified it is 

 safer to abstain from using them till the differ- 

 ent species have been subjected to an exami- 

 nation, not merely in regard to their botanical 

 SA 



