POLYPETAL^E. 11 



Pistils not of the same number as the sepals and petals. 



Two or three. Shrubs or trees: leaves opposite, compound. . .Sapindaceae, 30 



Herbs; leaves simple Saxifragaceae, 36 



Two to ten. Herbs; leaves pinnate: calyx 10-lobed ,Rosaceae, 35 



Many. Stamens on the receptacle Ranunculaceae, 17 



Stamens on the calyx: leaves compound, mostly radical.. Rosaceae, 35 



* * Pistil only one, simple or compound. 



a. Shrubs, trees or woody climbers. 

 Style and stigma one. 



Sepals, petals and stamens 6 each, opposite each other Berberidaceae, 18 



Sepals, petals and stamens 4 or 5 each (or stamens 8 in 1st.) 



Strongly aromatic or heavy-scented Rutaceae, 29 



Not aromatic; leaves simple, opposite Celastraceae, 29 



A vine climbing by tendrils Vitaceae, 29 



Calyx 2-lipped: petals unequal: stamens 5-8, exserted Sapindaceae, 30 



Calyx 4-toothed: petals 2: stamens 2 to 4: fruit winged Oleaceae. 50 



Calyx 4-cleft: petals 4: stamens 6: ovary long-stiped Capparidaceae, 23 



Calyx 4-5 toothed: petals 5: unequal or 1: stamens 10 Leguminosae, 30 



Calyx 5-lobed: petals 5, orbicular: stamens 10-15 Rosaceae, 35 



Sepals 3 or 5, unequal: stamens 4 to 8, united below Poly galaceae, 24 



Styles or Stigmas more than one. 



Styles 2 or 3: fruit: 2-wiuged or inflated: leaves opposite Sapindaceae, 30 



Styles 3-cleft: stamens 5, opposite small petals Rhamnaceae. 29 



Stigmas 3: leaves alternate, 3-foliolate or simple Anacardiaceae, 30 



Stigmas 4 or 5: prostrate steins hardly woody Saxifragaceae, 3G 



Stigma 5-lobed: small shrub: leaves opposite or whorled Ericaceae, 48 



b. Herbs: leave* mostly or all radical. 



Stamens 1 or 3: sepals 2: petals 2 to 5: stigmas 2 or 3 Portulacaceae, 26 



Stamens 5, anthers united: lower petal spurred: style 1 Violaceae, 23 



Stamens 5, opposite the petals. Sepals 2: style 3-cleft Portulacaceae, 26 



Sepals colored, united: styles 5. . Plumbaginaceae, 49 



Stamens, sepals and petals 5 each: styles 3 or 6: very glandular .Droseraceae, 38 



Stamens 5 or 10, on the calyx: styles 2 or 3 Saxifragaceae, 36 



Stamens 8 or 10, on the receptacle: stigma 5-lobed Ericaceae, 48 



Stamens 10, styles 5: leaves 3 foliolate Oxalis in Geraniaceae, 28 



Stamens 6 united in 3's: sepals 2: petals 4 in unequal pairs. . Fumariaceae, 20 



Stamens 6: flowers nodding on a scape Vancouveria in Berberidaceae, 18 



