OF NORTH AMERICA. 29 



ovate styles. If it is a Trepocarpus of Nuttal, 

 how did he neglect these singular characters ! 

 The name was a Grecian name of a Chero- 

 phylum. 



798. Entasikom tenut folium Raf. Atha- 

 manta cherophyloides Nuttal in Coll. herb. 

 Trepocarpus aethusa ? Nut. in Dec. — Quite 

 smooth, stem angular, leaves pinnate and bi- 

 plnnate, folioles linear setaceous acute thin; 

 umbels trifid opposed to leaves, ombellules 3-7 

 flore, male fl. peduncled, fertile nearly sessile. 

 — Found in Arkanzas by Nuttal, foliage glau- 

 cous minutely cut, stem yellowish, umbels pe- 

 duncled lateral, flowers white, seeds 4 or 5 

 times as long as broad, 



799. Entasikon? tuberosum R. Phellan- 

 drium do Nut. in Collins herb. Root tuberose, 

 leaves bipinnate, folioles linear obtuse — another 

 plant found in Arkanzas, by Nuttal and widely 

 separated from the last, although hardly differ- 

 ent, except by broader obtuse folioles. The 

 specimens are imperfect, but the roots are oblong 

 rugose twin ; in a note it is stated the stem 

 rises 3 or 4 feet high, the upper leaves are near- 

 ly simple, and the germination is acotyle ! 



800. UPOPION. Raf. Polygamous or even 

 monoical. Involucres none. Calix 5dentate pe- 

 tals ovate obtuse flat (dark purple) styles divar- 

 icate. Seeds smooth elliptic each with 3 or 4 

 unequal large wings, commissure costate. 

 Ijeaves simple ternate and pinnate^ flowers 

 dark purple^ — This G. has been shuffled into 

 Thapsia, Cnidium^ Tkaspium, Smyrnium &c 

 which like Zizia it must form a pecuHar one, 

 well distinguished from Thaspium having yel- 

 low flowers, by its red flowers, petals not acu* 

 minate, large unequal wings &c. The name 



