CLASS V. ORDER I. 71 



D. Umbelliferous. Flowers five petalled, superior, two seeded. 



122. Hydrocotyle. Umbel simple ; involucre four 

 leaved ; petals entire ; fruit orbicular, compressed. 



123. Sanicula. Umbels in heads: flowers of the 

 centre abortive ; seeds muricate. 



124. Daucus. Involucres pinnatifid ; outer florets 

 abortive ; fruit hispid, cohering. 



125. Heracleum. General involucre deciduous ; 

 flowers radiant: petals notched, with the point in- 

 flected ; fruit elliptic, notched, compressed, striate, 

 with a dilated margin. 



126. CoxiuM. Involucres general and partial, the 

 partial half wanting ; petals heart shaped, equal ; 

 fruit ovate, gibbous, five ribbed on each side. 



127. Angelica. Involucres general and partial; 

 petals incurved ; styles reflected ; fruit roundish, 

 solid, with three wings on each side. 



128. LiGusTRiuM. Involucres general and partial, 

 fruit oblong, five furrowed on each side, corollas 

 equal, petals involute, entire, 



129. SiuM. Involucres general and partial, many 

 leaved ; petals heart shaped ; fruit nearly oval, com- 

 pressed, striate. 



130. Uraspermum. Involucres few leaved ; central 

 florets barren ; fruit stipitate, oblanceolate, polished, 

 partly hispid. 



131. Pastinaca. Involucres none ; petals involute, 

 entire; fruit ellipital, compressed, flat. 



132. Smyrxium. Involucres none ; petals acumi- 

 nate, carinate ; fruit somewhat compressed, gibbous, 

 striate. 



133. iETHusA. General involucre none ; partial 

 involucre but half; fruit roundish ovate, striate. 



