8 



Pittosporeae. Flowers regular or nearly so. Stamens as many as petals. Embryo mi- 

 nute. Seeds albumiaous. Trees or shrubs, rarely twining, with simple alternate 

 leaves. Stipules none. 



Polyyaleae. Flowers irregular. Stamens monadelphous. Albumen none or almost 

 none. Embryo rather large. Herbs or perennials, rarely shrubs or trees, with 

 simple alternate leaves. Stipules none. 



4. Caryopitsllinejs. Sepals 5, 4: or 2, free or connate. Petah 5, rarely fetcer or none, some- 



times minute. Stamens 5 or 10, or numerous. Oeary 1-celled, with usually a free 



central placenta. Albumen mealy. Embryo curved, rarely straight. 

 Caryophyllaccae. Calyx toothed or sepals free. Petals as many as calyx-segments, 



rarely wanting. Stamens definite. Placenta free, central. Herbs sometimes woody 



or wiry below, with simple opposite leaves. Stipules scarious or wanting. 

 Portiilacaceae. Sepals 2. Petals twice that number or more. Stamens indefinite or 



rarely definite. Placenta basal, or free and central. Herbs, often succulent, with 



alternate or opposite leaves. Stipules scarious or hair-like. 

 Tamariscineae. Sepals and petals each 4 to 6. Stamens as many or twice as many 



Placentas 3-4, free, basal. Seeds comose. Small trees or shrubs with rudimentary 



or minute scale-like alternate leaves. 



5. GuTTiFERALES. Sepals 2 to 6 or more, imbricate. Petals as many, rarely more. Stametia 



indefinite. Ovary usually syncarpous xcith axile placentation. 

 Elatineae. Flowers small, usually hermaphrodite. Stamens definite. Herbs or under 



shrubs, with small opposite leaves. Stipules small. 

 Hypericineae. Flowers hermaphrodite. Stamens indefinite, often polyadelphous. Trees, 



shrubs or herbs with opposite or rarely alternate leaves. Stipules none. 

 Guttiferae. Flowers usually dioecious or polygamous. Stamens indefinite, free or 



variously connate. Trees or shrubs, often abounding in a yellow or greenish 



resinous juice, with opposite leaves. Stipules none. 

 Ternstroemiacene. Flowers hermaphrodite. Petals imbricate. Stamens indefinite, free or 



connate at base. Trees or shrubs, with alternate leaves. Stipules sometimes wanting. 

 Bipterocarpeae. Flowers hermaphrodite. Calyx-lobes usually enlarged in fruit. Petals 



contorted. Trees, rarely ahrubs, sometimes scandent, with alternate leaves. Stipules 



often large. 



6. Maltales. Sepals or cali/x-lobes valmfe in bud. Petals as many as sepals, or none, 



Stamens monadelphous or free. Ovary syncarpous with axile placentation. 



* Anthers 1-celled. 



Malvaceae. Stamens monadelphous; Herbs, trees or shrubs, sometimes scandent, with 

 alternate leaves. Stipules present. 



* Anthers 2-celled. 



Stercnliaceae. Stamens monadelphous, indefinite or definite, with or without alternating 

 staminods. Trees, shrubs or herbs with alternate leaves. Stipules usually present. 



Tiliaceae. Stamens indefinite, free or shortly connate at base. Trees or shrubs, rarely 

 herbs, with alternate leaves. Stipules usually present. 



B. DiSciFLOK^. Torus usually thickened or expanded into a disk, either free or adnate to the 

 ovary, or to the calyx, or to both, rarely reduced to glands, or wanting. Stamens as 

 many or twice as many as petals, or fewer. Ovary superior, or partially immersed in 

 the disk, divided into cells with axile placentas, or the carpels distinct. 



7. GeKANIAles. Disk tcifhin the stamens, or confluent with the staminal tube, or reduced to 



glands, or obsolete. Gynoecium lobed or apocarpous, or sometimes entire. Ovules 

 usually 1 or 2 in each cell, one or both pendulous with a ventral raphe. 



iineae. Disk small glandular or none. Ovary entire, styles free or connate. Ovules 

 usually 2 in each cell. Albumen fleshy, rarely wanting. Herbs or shrubs, rarely 

 trees with alternate leaves. Stipules usually present. 



Malpighiaceae. Sepals often with glands on their back. Disk not large. Ovary lobed 

 or apocarpous. Ovules solitary. Fruit-carpels winged ; albumen none. Shrubs, 

 often scandent, rarely trees, with usually opposite leaves. Stipules present. 



Zygophylleae. Disk fleshy. Filaments often with a minute scale at base. Ovary 

 angular or lobed. Ovules 1, 2 or more in each cell. Albumen fleshy or noue. 

 Herbs or shrubs, with usually opposite 1- to 2-foliolate or pinnate, rarely simple 

 leaves. Stipules present. 



Geraniaceae. Disk reduced to 5 glands or obsolete. Stamens 5 or a multiple of 5, all or 

 only part anther-bearing. Ovary angular or lobed. Ovules 1 or 2, rarely more, in 

 each cell. Albumen none or rarely fleshy. Herbs or shrubs, rarely trees, with 

 alternate or opposite simple or compound not glandular dotted leaves. Stipules 

 usually present. 



