Calyciflorae — Corolliflorae. 



13 



63 

 64 



73 



74 



62 Stamens 2, 4, or 6, 



62 Stamens 5, 

 63 Shrubs or Trees, 65 

 63 Herbs, 66 



64 Climbing or trailing plants, 



64 Plants usually of erect habit, 



65 Stamens 2, 



65 Stamens 4, 



66 Stamens 2 or 6, 67 



66 Stamens 4, 68 

 67 Stamens 2, 69 

 67 Stamens 6, 



68 Stamens of equal length, 70 



68 Stamens didynamous, 7 1 



69 Corolla spurred — petals 5, . 

 69 Corolla rotate — petals 4, 



70 Flowers showy — blue or red, 



70 Flowers small— greenish, 

 7 1 Leafless brownish herbs, 

 71 Leaves green, 72 



72 Ovary 2-celled — corolla irregular, . 



72 Ovary 4-celled — corolla nearly 

 regular. Flowers small, . 

 73 Leaves opposite, flowers blue (red or yellow, p. 

 73 Leaves alternate, 



74 Ovary I -celled, 75 



74 Ovary 2- or more celled, 76 



75 Styles 5, 



75 Style I, 77 



76 Ovary 2-celled, 78 



76 Ovary 3-celled, . . . . 



77 Stigma I, 



77 Stigmas 2, 



78 Placentation parietal, 



78 Placentation axile, 79 



79 Filaments glabrous, 



79 Filaments (or 3 of them) hairy, 



PAGE 



Oleaceae 98 

 Aquifoiiaceae 98 



Primulaceae 119 



Lentibulariaceae 1 1 9 



Scrophulariaceae 102 



Gentianaceae 99 



. Plantaginaceae 122 



, Orobanchaceae 107 



Scrophulariaceae 102 



Verbenaceae 108 



119), Apocynaceae 98 



. Convolvulaceae 100 



Plumbaginaceae 121 



. Polemoniaceae 100 



Primulaceae 119 



Gentianaceae 99 



Gentianaceae 99 



Solanaceae loi 

 Scrophulariaceae 102 



