I CAPPARIDACE.E, 31 



XXX INTIJODICTIOX. 



Leaves alternate. 



Sepals 2. Leaves entire. Placenta central. i'ORTULACACE.E, 38 



JLeaves lobed. Placenta parietal. PAPAVERACE.«, 30 



Sepals 4. Fruit iiidehiscent. Leaves entire. Slirnbs. 



• Fruit valvate. Leaves 3- 7-foliolate. Herby 

 Sepals 5. Leaves small, entire. Two outer sepals small and bract-like. 



C1STACE.E, 35 

 Leaves large, 3-ternate. Fruit a follicle. Cl.MICIFUG.*:, 2 



Leaves all radical, fringed, irritable. DROSERACE.E, 10 



Sepals united into a 4-5-toothed calyx. Leaves compound. Flowers capitate. 



MIMOSE.E, 'M, I'iG 

 Ovary solitary, 2- or more-celled. 

 Shrubs or trees. 

 Leaves opposite. Sepals 5. 

 Sepals (i. 

 Leaves alternate, stipulate. 



Leaves alternate, exstipulate. 



Flowers perfect. Stamens on the base of the petals. CAMELLIACEiE, 01 



Flowers monoecious. Stamens hypogynoua. Capsule 3-celled, 3-seeded. 



Herbs. EUPHORBIACE.E, 421 



Flowers irregular. Stamens G or 8. Petals 3. POLYGALACE.*;, 88 



Flowers regular. Leaves exstipulate, opposite, entire. HYPERICACE.E, 55 



Leaves exstipulate, alternate, tubular. SARRACENIACE.E, 18 



Leaves stipulate. Stamens monadelphous. M.4.LVACE.E, 45 



+- H- Stamens twice as many as the petals. 

 Stamens 12-20. Leaves peltate, lobed. Flowers solitary, nodding. PODOPHYLLUM, 10 

 Stamens 10. 

 Leaves compound. 

 Leaves stipulate, alternate. Fruit a legume. LEGUMIXOS.E. 93 



opposite. Fruit separating into indehiscent carpel.?. 



ZYGOPHYLLACE.E, 07 

 Leaves exstipulate, trifoliolate, the leaflets obcordate. Herbs. OX.VLIDACE.E, G5 

 pinnate. Flowers dioecious. Trees. BURSERACE.E, 71 



pinnate or bipinnate. Flowers perfect. Trees. MELIACE.E, 03 

 Leaves simple. 

 Herbs. 

 Flowers monoecious. Capsule 3-celled, 3-seeded. EUPHORBIACE.E, 421 



Flowers perfect. Leaves alternate, or 3 in a whorl. Stamens 8 or 10. 



CRASSULACE^, 149 

 Leaves alternate, palmately lobsd. Fruit of 5 elastic carpels. 



GERANIACE^, 06 

 Leaves opposite, entire, dotted. Flowers yellow. 



HYPERICACE.E, 55 

 Leaves opposite, or whorled, not dotted. Flowers never yellow. 

 Trees or shrubs. CARYOPHYLLACE.E, 39 



Leaves stipulate, lobed. Fruit unciuate-hispid. TILIACE.E, 54 



Leaves exstipulate, entire. Cells of the capsules l-seeded. CYRILLACE.E, 83 



Cells of the capsule many-seeded. ERICACEAE, 279 



Stamens less than 10 (two exceptions). 

 Petals 3. Stamens 6 or 8, united in one or two sets. Flowers irregular. 



POLYGALACE^. 88 

 Petals 3. Stamens 6. Aquatic herbs, with finely dissected opposite leaves. 



CABOMBE.E, 17 

 Petals 3-5. Stamens 6-10. Leaves trifoliolate. Trees. BURSERACE.E, 71 



Petals 4 -5. Stamens 8 or 10. Leaves simple, succulent. Flowers cymose. 



CRASSULACE^, 149 

 Petals 4. Stamens 8. heaves simple. Flowers racemose. A shrub. ELLIOTTI.V, 288 



