KEY TO THE ORDERS. XV11 



CARYOPHYLLACE^E. Styles 2-5. Ovules in the centre or 

 bottom of the cell. Stem usually swollen at the 

 joints. Leaves opposite 21 



LINAGES. Stamens 5, united below. Pod 10-celled, 10- 



seeded 25 



GERAXIACE/E. Stamens 5. Carpels 5, they and the lower 

 parts of the 5 styles attached to a long beak, and 

 curling upwards in fruit 26 



OXALIDACE^E. Stamens 10. Pod 5-celled. Styles 5, dis- 

 tinct. Leaflets 3, obcordate, drooping at night-fall. 27 



ERICACEAE. Anthers opening by pores at the top, or across 

 the top. Leaves mostly evergreen, sometimes brown 

 beneath ; but in some instances the plant is white 

 or tawny 85 



(b) Stamens perigynous (plainly attached to the calyx). 



SAXIFRAGACE^E. Leaves opposite or alternate, without 

 stipules. Styles or stigmas 2 ; in one instance 4. 

 Carpels fewer than the petals 46 



CRASSULACE.E. Flowers symmetrical. Stamens 10 or 8. 



Leaves sometimes fleshy 48 



LYTHRACE.E. Stamens 10, in two sets. Calyx enclosing, 

 but really free from, the ovary. Leaves mostly 

 whorled 51 



(c) Stamens attached to a fleshy disk in the bottom of the calyx-tube. 



ANACARDIACE^E. Trees, or shrubs, not prickly. Leaves 



compound. Stigmas 3. Fruit a 1 -seeded drupelet. 28 



CELASTRACE.E. Twining shrub. Leaves simple. Pods orange 



when ripe 30 



SAPINDACE^E. - Shrubs, or trees. Fruit 2- winged, and leaves 

 palmately-veined. Or, Fruit an inflated 3-celled 

 pod, and leaves of 3 leaflets. Styles 2 or 3 ... 31 



(d) Stamens attached to the petals at their very base. 

 Claytonia, in 



PORTCLACACE^E. Sepals 2. Leaves fleshy. Style 3-cleft. 23 

 AQUIFOLIACE^E. Shrubs, with small axillary flowers, hav- 

 ing the parts in fours or sixes. Fruit a red berry- 

 like drupe. Stigma sessile. Calyx minute 90 



IT. GAMOPETALOUS DIVISION. 



Corolla with the petals united together, in however slight a 

 degree. 



