Leguniinosae 59 



Leaves pinnate. Flowers several. Petals 5. Geum. 



Tribe 2. Ulmarieae. Flower-axis flat or slightly 

 concave. Filaments narrow at base, soon falling. 



Only genus: Ulmaria. 



Tribe 3. Sanguisorbeae. Flower-axis pitcher-shaped, 

 enclosing and usually hardening around two or more 

 achenes. 



Epicalyx of bristles. Petals present. Styles terminal. 



Agrimonia. 



Epicalyx of four leaves. No petals. Styles basal 

 or ventral. Alchemilla. 



Epicalyx and petals both absent. Poterium. 



Tribe 4. Roseae. Flower-axis tubular, enclosing 

 00 carpels, becoming soft when ripe. 



Only genus : Rosa. 



Subfamily Prunoideae. Carpel i, rarely more. 



Style terminal. Ovules 2, pendulous. Fruit drupaceous. 



Only British genus : Prunus. 



Fam. 5. Leguminosae. Herbs, shrubs or trees. 

 Leaves of spiral stipulate, often compound. Flowers 

 usually in racemes, cyclic, heterochlamydeous, 5-merous, 

 hypogynous, usually hermaphrodite and zygomorphic. 

 Stamens usually 10, 9 or all often united. Carpel mostly 

 solitary with usually co ovules on the ventral suture 

 which is directed backwards. Style terminal. Fruit a 

 pod or lomentum. Endospenn scanty or absent. 



Subfamily Papilionatae. Roots in symbiosis with 

 Bacillus radicicola. Flowers zygomorphic. Corolla with 

 descending imbrication in bud. 



