XXV111 SYNOPSIS OF THE GENERA. 



Class 3. TRIANDRIA. 



Order 1. MONOGYNTA. 



-Page A. Floivers superior, with cal. and cor. 



80. VALERIANACE^E. 



B. Perianth, single, 6 -cleft, superior. 

 157. 



C. Flowers inferior, glumaceous. Le. parallel-veined. 

 (See CYPERACE^E, GRAMINE^;, and JUNCACE^E. ) 



Order 2. DIGYNIA. 

 185. GRAMINE^E. Fl. glumaceous, sheaths split. Grasses. 



Order 3. TRIGYNIA. 



66. MONTIA, Cal. of 2 sepals. Cor. irregular, monopetalous. 

 Capsule 3-valved, 3-seeded. 



29. HOLOSTEUM. Sepals 5. Pet. 5, jagged at the apex. Capsule 

 1 -celled, opening by 6 teeth. 



Class4. TETRANDRIA. 



Order 1. MONOGYNIA. 



* Perianth double. 



A. Cal. double. Cor. monopetalous, superior. Fl. capitate. 

 80. DIPSACACE^E. 



B. Fl. monopetalous, superior. Fruit 2-lobed. 

 79. KUBIACE^. 



C. Fl. monopetalous, inferior. Fruit 2 or many-seeded. 

 134. PLANTAGO. Segments of cor. bent back. Filaments very 

 long. Fl. in spikes. 



D. Fl. polypetalous. 



13. EPIMEDIUM. Sep. 4. Cor. inferior, with an inflated nectary. 

 43. EUONYMUS. Cal. 4 5-cleft, with a flat disk lining the base 

 inside. Germen 3 4-celled. 



** Perianth single. 



148. PARIETALIA. Perianth 4-cleft, companulate. St. curviug 

 back with elasticity, opposite to the segments of the 

 perianth. Stipules small. 



58. ALCHEMILLA. Perianth inferior, 8-cleft, alternate segments 

 smaller. Fruit 1 2-seeded. 



