504 ICOSANDRIA. DIGYNI^. 



what margined, (lowers pale purple. Hab. In the state 

 of New York. 



Principally 8n American genus, exlendin,^ within the 

 tropics; there are also 5 snecies in Europe, among which 

 i. Hijssopifoiia and Salicaria are also common to America. 



334. CCPHEA. Brown, 



Calix voiitricose, tubular, 6 to 12 -toothed, 

 unequal. Fetals 6, generally unequal, inserted 

 up'jn the calix. Capsule with the calix burst- 

 ing longitudinally, 1 -celled. Seeds tew, lenti- 

 cular, imbricated. 



Herbaceous rarely sufTruticose; leaves opposite; flowers 

 terminal, partly solitary, or racemose; petals in 2 species 

 nearly equal; 2 others are remarkably viscose. 



Species. 1. C viscosissima. Stamina 12. Hab. From 

 Pennsylvania to Louisiana and on the banks of the Missis- 

 sippi. (Abundant around Lancaster, and now beginning to 

 occur in the vicinity of Philadelphia in a few localities.) 



An American genus, entirely tropical, except tlie visco- 

 sissima which extends also co Brasii. 



Order II.— DIGYNIA. 

 535. FOTHERGILLA. Z. 



Calix inferior, truncate, obsoletely crenate. 

 Corolla none. Filaments very long and clavate. 

 Germ bifid. Capsule 2-lobed, S-celled, cells 2- 

 valved, l-seeded. Seed indurated. 



A shrub resembling a species of Alnus; flowers in a 

 terminal thyrse or short dense spike, vernal and appear- 

 ing before the leaves- Fruit similar to Hamamelis. 



Species. T.ainifolza. The only species of the genus 



S56. AGRIMONIA. L, (Agrimony.) 



Calix inferior, 5-toothed, caliculate, external- 

 ly setigerous about the middle; seta; uncinate. 

 Fetals 5, inserted upon the calix. Seeds 2, in- 

 closed in the base of the calix. 



Herbaceous; leave alternate, pseudopinnate, segments 

 unequal; flowers in terminal spikes each tribracteaie. 

 Species. l.A. Eiipatoria. 2. pan'ijiora. 3, striata. 

 A small e^enus, chiefly indigenous to Europe. 



