(115 ) 
Ballast-weed. Introduced from the Mediter- 
ranean region. Summer. 
Sub-Family 2. Liguliflore. 
All flowers of the head ligulate. 
Tribe I. CicHORIACER. 
63. Stephanomeria Nutt. 
Head few-flowered. Involucre 1-seriate, 
calyculate. Receptaele flat, naked. Akenes 
5-costate, with a callosity at their place of in- 
sertion. Pappus I-seriate, bristly, plumose, 
white, coalescent.—©. 
1. S. virgata Benth. Flowers matutinal. 
Common. Summer. 
64, Rafinesquia Nutt. 
Head o-flowered. Involucre 1-seriate, 
calyculate. Receptacle flat, naked. Akenes 
rostrate, with a callosity at their place of in- 
sertion; pappus white, plumose, capillary, 
coalescent.—@©. Flowers pale. 
1. BR. Uatrrornica Nutt. Common. Sum- 
mer. 
The smell of the plant resembles that of opium. 
~ 
65. Hypocheris L. 
Involucre imbricate. Receptacle paleaceous. 
Palex deciduous. Akenes rostrate; pappus 
plumose. Flowers yellow. 
