(56) 



10. Sisymbrium. Siliqua linear. Valves 3- 

 nerved, concave. Ovules in each cell 

 1-seriate. 



11. Brassica. Siliqua terete. Valves 3-5- 

 nerved, concave. Ovules in each cell 

 1-seriate. 



MONADELPHIA. 

 I. Triandria. 



1. Sisyrinchium. 

 n. Pentandria. 



1. Erodium. Stamens alternating with 

 staminodia. 



2. Downingia. Corolla gamopetalous, ir- 

 regular. 



III. Octandria. 

 1. Poly gal a. 



IV. Decandria, 



1. Erodium. Alternate stamens sterile. 

 Fruit 5 akenes with persistent styles. 



2. Geranium. Stamens all fertile. Fruit 

 5 akenes with persistent styles. 



3. Oxalis. Styles 5. Fruit a 5-lobed cap- 

 sule. 



4. Lupinus. Corolla papilionaceous. 



5. Amorpha. Corolla represented by a 

 single petal. Shrub. 



