THE KEY 319 



jj. Stamens 4-8, distinct or monadelphous; fls. 

 very irregular: sepals 5, unequal and some 

 of them colored: petals 3 (or 5, with 2 



scale-like): pods 2-seeded Polygalaceae, p. 378 



m. Fruit (or ovary) a 4-celled capsule: stamens 2, 



4 or 8: petals 0, 2 or 4 Onagraceae, p. 396 



mi. Fruit (or ovary) a 5-celled capsule. 



j. Leaves simple, evergreen: seeds minute, 

 innumerable: plants white, or yellowish, 

 parasitic or saprophytic about the roots 



of trees Ericaceae, p. 423 



jj. Leaves simple, more or less lobed or divided, 

 capsule 5-10-seeded: or stem succulent 

 and translucent: pod walls elastic, each 



cell several-seeded Geraniaceae, p. 373 



jjj. Leaves compound, palmately 3-foliolate. . . . 



Oxalis in Geraniaceae, p. 373 

 mil. Fruit of 2 follicles, seeds hairy tufted: juice 



milky Asclepiadaceae, p. 417 



DD. Gamopetal^e: corolla in one piece, at least toward the 

 base (as if the petals were more or less united): calyx 

 and corolla both present. 

 E. Stamens more numerous than corolla-lobes. 



F. Ovary 1-celled, 1 parietal placenta: fruit a legume.. . 



Leguminosae , p. 379 

 ff. Ovary 3, several-celled. 



g. The stamens nearly or quite free from corolla: 



style 1 Ericaceae, p. 423 



gg. The stamens free from corolla: styles 5 



Oxalis in Geraniaceae, p. 373 

 GGG. The stamens on base of corolla-tube: filaments 



monadelphous Malvaceae, p. 372 



EE. Stamens as many in number as the lobes of the corolla 

 and inserted opposite to the lobes: ovary 1-celled: 



style and stigma 1: pod several to many-seeded 



Piiinulaceae, p. 422 

 kkk. Stamens equal in number to lobes of corolla and alter- 

 nate with them, or fewer in number. 

 F. Ovary inferior. 



g. The stamens distinct, inserted on corolla, 4 or 

 5: ovary 2-5-celled. 



h. Leaves whorled or opposite with stipules 



Rubiaceae, p. 426 



hh. Leaves opposite, without true stipules 



Caprifolioceae, i>. 127 

 gg. The stamens inserted on corolla and united by 

 anthers. 



