(177) 



5. Peucedanum i • 

 Umbels regularly compound. Cremocarp 

 dorsally compressed. Marginal ribs winged. 

 Wings coherent. Vittte as long as the meri- 

 carp. — 71- 



1. P. DASYCAEPUM Torr. & Gray. Leaves 

 much dissected; cremocarp tomentose; flowers 

 white. — Common. Summer. 



Smell of entire plant like celery. 



2. P. UTEicuLATUM 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. TRITEKNATUM 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. — Li verm ore. 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 difter- 

 ent species have been subjected to an exami- 

 nation, not merely in regard to their botanical 



8a 



