KEY TO THE SPECIES 



b. Stamens not more than 10 



Trees, shrubs, or woody vines ; fruit fleshy. 



Fruit a drupe (stone fruit) Coruacese 57 



Fruit a berry. 



Stamens alternate with petals . . Grossulariaceae 34 



Stamen3 opposite petals. 



Stamens 4 or 5 ; climbing by tendrils . . . Vitaceee 48 



Stamens 6 ; not climbing Berberidacese 37 



Herbs. 



Pistils more than one Crassulaceae 32 



Pistil one. 



Ovary 1-celled. 



Corolla regular or nearly so. 



Sepals 4 ; leaves compound .... Capparidacese 31 

 Sepals 4 or 5 ; leaves simple . . Caryopliyllacese 31 



Sepals 3 ; leaves fleshy .... Fortulacaceie 20 



Corolla irregular. 



Stamens 6, In 2 sets . . . . Papaveraceae 27 



Stamens 5 ; one petal spurred . . Violaceae 49 



Stamens 5 or 10 ; petals not spurred . . Papilionaceae 40 

 Ovary 2- or 5-celled. 



Ovary superior (appearing within the flower). 

 Ovary 2-celled. 



Stamens tetradynamous, petals 4 . . Cmciferoe 28 



Stamens 10. petals 5 . . . Saxifragaceae 32 



Ovary 5-celled. 



Leaves simple, flowers regular. 



Anthers opening by holes at the apex Pyrolacese 57 



Anthers opening lengthwise. 



Leaves broad, lobed or toothed Geraniaceae 46 



Leaves narrow, entire . . Xjinacese 46 



Leaves trifoliolate Oxalidaceae 47 



Ovary inferior (appearing below the flower). 



Fruit a 4-celIed pod Onagracese 52 



Fruit splitting into 1-seeded halves . . TTmbelU ferae 55 



B. SYMPETALiE 



Corolla with petals united (sympetalous), at least at base, or rarely wanting. 

 1. Stamens more numerous than the lobes of the corolla 



Ovary 1-celled. 



Sepals Papilionaceae 40 



Sepals 3 . . . . • Papaveraceae 27 



Ovary 3 to many-celled. 



Stamens separate, style 1 ; fruit a berry. 



Ovary superior Ericaceae 58 



Ovary inferior Vacciniaceae 58 



Stamens united into a column Malvaceae 48 



