X ANALYTICAL KEY. 



JB. Stamens 1 or less, or at most not more than twice the petals. 

 1. Ovary or ovaries superior or mainly so. 



* Pistils more than one, and distinct. 



Pistils same number as petals and as sepals : leaves fleshy. CRASSULACE^E, 98 

 Pistils not same number as petals or sepals. 



Stamens on the receptacle RANUNCULACE^;, 1 



Stamens on the calyx. 



Stipules persistent : leaves alternate ROSACEJE, 26 



Stipules none or indistinct. .... SAXIFRAGACE^E, 27 



* * Pistil only one. 



<- Pistil simple, as shown by the single style, stigma, and cell. 

 Anthers opening by uplifted valves or transversely. . BERBERIDACE^E, 2 

 Anthers opening lengthwise or at the top. 



Flowers irregular, or leaves twice pinnate : fruit a legume. LEGUMINOSJE, 25 



Flowers irregular : leaves simple POLYGALACE^E, 9 



Flowers regular : leaves mostly stipulate : fruit a drupe 



or akene ROSACE^E, 26 



*- -i- Pistil compound, as shown by the number of cells or placenta;, styles or 



stigmas. 



Ovary 1-celled, with (2 to 4, rarely more) parietal placentae. 

 Petals (long-clawed) and teeth of long-tubular calyx 4 



or 5 FRANKENIACE.E, 10 



Petals and sepals or lobes of the cleft calyx 5. 



Corolla irregular : lower petal spurred. . . . VIOLACE^E, 8 



Corolla regular or nearly so : styles or stigmas entire. SAXIFRAGACE^;, 27 



Petals 4 : bract-like sepals 2 : flower irregular. . . FUMARIACE.E, 5 



Petals and sepals each 4 : stamens 6. ... CAPPARIDACE^E, 7 



Ovary and pod 2-celled : 2 parietal placentae : stamens tetra- 



dynamous CRUCIFERYE, 6 



Ovary and capsule 1-celled, several to many-seeded on a central placenta, 

 Truly so ; the partitions wanting or very incomplete. 



Sepals 2 : leaves often alternate. > . PORTULACACE.E, 12 



Sepals or calyx-lobes 5 or 4 : leaves all opposite. CARYOPHYLLACE^S, 1 1 

 Apparently so ; the partitions at length vanishing. 



Stipules between the opposite leaves. . . . ELATINACE^E, 13 



No stipules LYTIIRACE.E, 30 



Ovary and fruit 1-celled, with a single seed on a stalk from the base. 



Shrubs : styles or stigmas 3 : fruit drupe-like. ANACARDIACE^E, 24 



Herbs : style at most 2-cleft : fruit a utricle. ILLECEBRACE^), 63 



Ovary more than 1-celled : seeds attached to the axis, or base, or summit. 

 Flowers very irregular: ovary 2-celled: cells 1-seeded. POLYGALACE.E, 9 

 Flowers regular or nearly so. 



No green foliage Monotropeae, etc., in ERICACEAE, 45 



Foliage pellucid-punctate: strong-scented shrubs. . RCTACE.E, 19 

 Foliage not pellucid-punctate. 



Anthers opening by terminal chinks or pores. . . ERICACEAE, 45 



