GENERAL KEY. v 



Ovary 10-eelled, cells 1-ovuled Amelanchibr in EOSALES 180 



Ovary 2-5-celled. 



Leaves alternate, with stipules; or opposite, without stipules. 



EOSALES 167 

 Leaves alternate, without stipules. .Styracaceae in EBENALES* 252 



Ovary 1-celled, with the ovules parietal OPUNTIALES 229 



Ovary 1-celled, with the ovules rising from the base. 



Portttlacaceae in CHENOPODIALES 132 



B. Stamens of the same number as the petals and opposite them. 

 Pistils 3-6, separate ; flowers dioecious, woody vines. 



Menispermaceae in EANALES 143 

 Pistil only one. 



Ovary 1-celled; anthers opening by uplifted valves. 



Berberidaceae in BANALES 143 

 Ovary 1-celled; anthers not opening by uplifted valves. 

 Style and stigma 1; ovules more than 1. 



Primotaceae in PBIMULALES* 250 

 Style 1; stigmas 3; sepals 2; ovules several. 



Portulacaceae in CHENOPODIALES 132 

 Style twice or thrice forked; flowers monoecious. 



Crotonopsis in GEEANIALES 811 

 Styles 5; ovule and seed only 1. 



Plumbaginaceae in PBIMULALES* 250 

 Ovary 2-4-celled BHAMNALES 218 



0. Stamens not more than twice as many as the petals, when just of 

 the same number, then alternate with them. 

 1. Calyx free from the ovary, i. e., ovary wholly superior. 

 *Ovaries 2 or more, separate. 

 Stamens united with each other and with a large, thick stigma common 



to the 2 ovaries Asclepiadaceae in GENTIAN ALES 253 



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



Leaves punctate with pellucid dots. .Eutaceae in GEEANIALES 205 

 Leaves not pellucid-punctate. 



Trees, with pinnate leaves .... Ailanthus in GEEANIALES 809 

 Low shrub, with pinnate leaves or herbs, not fleshy. 



Eanunctilaceae in BANALES 143 



Herbs, with thick, fleshy leaves . . Crassulaoeae in EOSALES 167 



Stamens unconnected, inserted on the calyx EOSALES 167 



**Ovaries 2-5, somewhat united at base, separate above. 

 The carpels fewer than the petals Saxieragaceae in EOSALES 167 



***Ovaries or lobes of ovary 8-5, with a common style. 



Geraniaceae in GEEANIALES 205 



**** Ovary only 1, and 



Simple, with one parietal placenta Papilionaceae in EOSALES 167 



Compound, as shown by the number of cells, placentae, styles and 



stigmas. 

 Ovary 1-celled. 



Corolla irregular ; petals 4 ; stamens 6. 



Papaveraceae in PAPAVEEALE8 154 

 Corolla irregular; petals and stamens 5. 



Violaceae in PAEIETALES 222 

 Corolla regular or nearly so. 



Ovule solitary; shrubs or trees; stigmas 3. 



Anacardiaceae in SAPINDALES 214 



