ANALYTICAL KEY 



17 



tv. Ovaries 2 or more, wholly separate or somewhat united x. 



x. Stamens united with each other and with a large thick stigma 



common to the 2 ovaries ASCLEPIADACEAE, 663 



x. Stamens free from each other and from the pistils y. 



RUTACEAE, 537 



Zanthorhiza, 408 

 Ailanthus, 538 



CRASSULACEAE, 441 



y. Stamens on the receptacle, free from the calyx. 

 Leaves punctate with translucent dots 

 Leaves without translucent dots. 

 Trees or shrubs ; leaves pinnate. 

 Low shrub ; leaflets mostly 5 

 Tree ; leaflets 11 or more 

 Herbs. 



Leaves fleshy 

 Leaves not fleshy. 



Ovaries or lobes of the ovary 2-5, with a common style. 

 Ovary 2-3-lobed LIMNANTHACEAE, 551 



Ovary 5-lobed GERANIACEAE, 534 



Ovaries with separate styles or sessile stigmas 



RANUNCULACEAE, 392 

 y. Stamens inserted on the calyx. 



Plant fleshy; stamens just twice as many as the pistils 



CRASSULACEAE, 441 



Plant not fleshy ; stamens not twice as many as the pistils. 

 Stipules present ROSACEAE, 454 



Stipules none SAXIFRAGACEAE, 444 



w. Ovary 1 z. 



z. Ovary simple with 1 parietal placenta LEGUMINOSAE, 499 



z. Ovary compound, as shown by the number of its cells, placentae, 



styles, or stigmas A. 

 A. Ovary 1-celled. 



Corrolla irregular. 



Petals 4; stamens G FUMARIACEAE, 416 



Petals and stamens 5 VIOLACEAE, 579 



Corolla regular or nearly so. 

 Ovule solitary. 



Trees or shrubs ANACARDIACEAE, 552 



Herbs CRUCIFERAE, 418 



Ovules more than one. 

 Ovules at the center or bottom of the cell. 



Petals not inserted on the calyx CARYOPHYLLACEAE, 377 



Petals inserted on the throat of a bell-shaped or 



tubular calyx LYTHRACEAE, 591 



Ovules on 2 or more parietal placentae. 



Leaves punctate with translucent dots HYPERICACEAE, 571 



Leaves beset with gland-tipped bristles DROSERACEAE, 440 



Leaves neither punctate nor bristly-glandular. 

 Petals 4. 

 Stamens essentially equal ; pod usually stiped 



CAPPARIDACEAE, 438 

 Stamens unequal, 2 being shorter than the other 4 ; 



pod sessile CRUCIFERAE, 418 



Petals 3 or 5. 



Ovary stiped PASSIFLORACEAE, 587 



Ovary sessile. 

 GRAY'S MANUAL 2 



