(57) 



V. Polyandria, 



1. Lavatera. Calyx double. External 

 calyx 3-6-cleft. Shrub. 



2. Malva. Calyx double. External calyx 

 3-sepalous. 



3. Sidalcea. External calyx 0. Stigmas 

 not capitate. 



4. Sphseralcea. Stigmas capitate. Cells 

 of capsule 2-ovulate. Shrub. 



5. Sida. Stigmas capitate. Cells of cap- 

 sule 1-ovulate. 



DIADELPHIA, 



I, Hexandria. 



1. Dicentra. Flowers 2-calcarate. 



II. Octandria. 



1. Polygala. Flowers irregular. Ovary 2- 

 celled. Cells 1-ovulate. 



HI. Decandria, 



A. Sub-monadelphoris. 



1. Lupinus. Anthers alternately oblong 

 and reniform. 



2. Amorpha. Corolla represented by a sin- 

 gle petal. Shrub. 



3. Psoralea. Wings of the corolla united 

 to the carina. Ovary sessile, 1-ovulate. 

 Legume indehisceut, included in the 

 calyx. 



3A 



