(57) 



V. Polyandria. 



1. Lavatera. — Calyx double. External 

 calyx 3-6-cleft. Shrub. 



2. Maiva.— Calyx double. External calyx 

 3-sepalous. 



3. Sidalcea.— External calyx 0. Stigmas 



not capitate. 



4. Sph£eralcea.— Stigmas capitate. Cells 

 of capsule 2-ovulate. Shrub. 



5 si(ja.— 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. 



ni. Decandria. 



A. Suh-monadelphous. 



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-oyulate. 

 Legume indehiscent, included in the 



calyx. 

 3a 



