LEGUMINOSJE. 37 



Ord. 28. PORTULACACE^E. Sepals 2. Ovary superior. Leaves 

 simple, without stipules. 



ft Flowers regular. 

 a. Fruit inferior. 



Ord. 25. ONAGRACE^. Parts of the flower in multiples of 2. 

 Seed vessel very long, or when short covered with bristles. 



Ord. 26. HALORAGACE^E. Leaves verticillate. Petals minute 

 or wanting. Flowers monoecious. Water plants. 



Ord. 31. GROSSULARIACE^E. Petals small, alternating with 

 the stamens. Calyx and ovary combined. Fruit a berry, 1- 

 celled. 



Ord. 34. ARALIACE^:. Leaves alternate. Styles several. 

 Ovary 2 or more celled. Fruit a berry. 



b. Fruit superior, or sometimes half -inferior. 



Ord. 22. CELASTRACE^E. Flowers with a large fleshy disk 

 closely surrounding the ovary, and covering the bottom of the 

 calyx. Stamens 4 5. 



Ord. 29. PARONYCHIACE^. Leaves with membranous stipules. 

 Fruit with a free central placenta. Styles 3 5. 



Ord. 30. CRASSULACE.E. Leaves fleshy. Petals and fruit in 

 multiples of each other. Follicles many-seeded. 



Ord. 32. SAXIFRAGACE^. Calyx superior, half -inferior, or 

 inferior. Petals 5. Stamens 5 10. Ovary 2-celled, with 2 

 diverging beaks, or 1 -celled, with 34 stigmas. 



Ord. 27. LYTHRACE^B. Stamens inserted in the tube of the 

 monosepalous calyx. Style 1. Ovary superior, 2-celled. 



GENERA OP CALYCIFLORSI. 



ORD. 22. CELASTRACE^E. 



1. EUONYMUS. Cal. small, flat, 4 5-cleft. Pet. and st. alter- 

 nating. Style 1. 



ORD. 23. LEGUMINOSJE. 



A. Stamens all united. Monadelphous. 

 f Cal. of 2 sepals. 



1. ULEX. Cal. nearly as long as the cor., coloured. Pod short, 



thick. Le. simple. 



tt Cal. 2-lipped. 



2. GENISTA. Upper lip bifid, lower 3-toothed. Le. simple. 



