MONCECIA. 11 



ORDER III. DECANDBIA. 10 Stamens. 



All the plants in this order have papilionaceous 

 flowers, with the stamens combined into 2 sets of 9 

 and 1. PEA AND BEAN TRIBE. P. 139. 



CLASS XVIII. POLYADELPHIA. Stamens combined 

 by their filaments into 3 or more sets. 



All the plants in this class belong to the ST. JOHN'S- 

 WORT TRIBE. P. 117. 



CLASS XIX. SYNGENESIA. Stamens united by their 

 anthers^ into a tube ; Flowers compound. 



All the plants in this class belong to the COMPOUND 

 FLOWERS. P. 319. 



CLASS XX. GYNANDBIA. Stamens growing in the 

 pistil, and united with it. 



ORDER I. MONAKDBIA. 1 Stamen, and 

 ORDER II. DIANDKIA. 2 Stamens. 



All the plants in these two orders belong to the 

 ORCHIDEOUS TRIBE. P. 582. 



ORDER III. HEXAKDKIA. 6 Stamens. 



1. ARISTOLOCHIA. Perianth single, tubular, curved. 

 A climbing plant with heart-shaped leaves, and pale 

 yellow flowers, the tube of which is swollen at the base 

 and contracted near the mouth. BIRTHWORT TRIBE. 

 P. 547. 



CLASS XXI MONCECIA. Stamens and Pistils in 

 separate flowers on the same plant. 



ORDER I MONAjSFDKIA. 1 Stamen. 

 1. EUPHORBIA. Several barren flowers, and 1 fertile, 



