104 ICOSANDRIA. DIGYNIA. 



what margined, flowers pale purple. Hab. In the state 

 of New York. 



Principality an American genus extending within the 

 ti'opics; there are also 5 species in Europe, among Vvhich 

 L Hijssopifolia and Salicaria are also common to America- 



[34. CUPllEA. Brown. 



Calix ventricosc, tubular, 6 to IS-tootlied, 

 unequal. Petals 6, generally unequal, inserted 

 upon the calix. Capsule witli the calix burst- 

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

 cular, imbricated. 



Herbaceous rarely suffruticose; leaves opposite; flowers 

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

 nearly equal; 2 others are remarkably viscose. 



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

 Pennsylvania to Louisiana and on the banks of the JNIissis- 

 sippi. (Abundant around Lancaster, and now beginning to 

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



An American genus, entirely tropical, except the visco- 

 i^ssimq, whi^k extends il^c tu iii «ail. 



Order II.— DIGYNIA. 

 235. FOTHERGILLA. L, 



Calix inferior, truncate, obsoletely crenate. 

 Corolla none. Filaments very long and clavate. 

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

 valved, 1-secded. 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 Hamamehs. 



Species. 'i\ alnifoUa. The only species of the genus 



Q.^Q. AGRIMONIA. L. (Agrimony.) 



Ccdix inferior, 5-toothed, caliculate, external- 

 ly setigerous about the middle; setse uncinate. 

 Petals 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. I. A. Eupatoria. 2. parviflora. 2. iiriaia. 

 A small genus, chiefly indigenous to Europe. 



