SYNOPSIS OF THE GENERA. XXxiii 



Page Order 4. TETRA-PENTA-GYNIA. 



77. ADOXA. Cal. half superior. Terminal flower with the cal. 

 2-cleft; cor. 4-cleft; lateral ones with the cal. 3-cleft; cor. 

 5-cleft. Berry 4-celled. 



163. PARIS. Cal. of 4 sepals. Pet. 4. Anther cells on each side 

 of a subulate filament. Berry 4-celled, superior. 



Classic. DECANDRIA. 



Order 1. MoNOGYNiA. 



112. PYROLA. Cal. and cor. 5-cleft. Anthers opening by pores 

 at the base. 



(See Ericaceae and Vaccinacece.) 



Order 2. DIGYNIA. 



69. SAXIFRAGA. Cal. superior, half inferior or inferior, 5-toothed 

 or partite. Pet. 5. Fruit with 2 beaks. 



(See Caryophyllacece and SclerantJius. ) 



Order 3. TRIGYNIA. 



66. SPERGULARIA. Perianth double. Sep. 5. Pet. 5, about as 



long as the cal. Ovary sessile. Le. opposite, with mem- 

 branous stipules. 



0. CARYOPHYLLACE.E. Perianth double. Cal. 5-cleft or of 5 

 sepals. Cor. of 5 petals. Capsule sessile or with a short 

 stalk, opening by several teeth. Le. opposite, without 

 stipules. 



Order 4. PENTAGYNIA. 



40. CRASSULACE.E. Flower alternating in all its parts. Stamens 

 either of equal number or twice as many as the pet. Ovaries 

 1- celled, tapering into stigmas. Le. fleshy. 



36. OXALIS. Cal. 5 -partite. Pet. 5, sometimes united by their 

 claws. Capsule 5- celled. Le. ternate. 



67. SPERGULA. Sep. and pet. 5 each. Capsule 1-celled. Le. 



opposite, with membranous stipules. 



(See CaryophyUacem and Adoxa.) 



Classll. DODECANDRIA. 



Order 1. MONOGYNIA. 



65. LYTHRUM. Cal. tubular, with 12 teeth, alternate ones small 

 and subulate. Pet. 6, inserted in the mouth of the cal. 

 tube between its lobes. 



