(56) 



10. Sisymbrium. — Siliqua linear. Yalves 3- 

 nervecl, 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 gala. 



IV. Decandria. 



1. Erodium. — Alternate stamens sterile. 

 Fruit 5 akenes with persistent styles. 



2. Geranium. — Stamens all fertile. Fruit 

 6 akenes with- persistent styles. 



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

 sule. 



4. Lupinus. — Corolla papilionaceous. 



5. Amorpha. — CoroUa represented by a 

 single petal. Shrub. 



