ANALYTICAL KEY. XIX 



Calyx persistent after flowering. 



Ovary 8-1 8-celled : ovules many, on the partitions. 22 NYMPHJGA CE.fi. 

 Ovary 5-celled : ovules many: placentae in the axis. 23 SARRACENIACE.E;. 

 Ovary 1-celled or partly 3-celled : placentae parietal. 45 CISTACE^EJ. 

 Ovary 1-celled, compound (stigmas 3 or more) ; the 



placenta central : sepals 2, deciduous. . 63 POBTULACAOE^B. 

 Ovary 1-celled, simple, with one parietal placenta. 



Herb, with two peltate leaves and one large flower. 19 BERBERIDACEJE. 

 Herbs, with palmately dissected or twice or thrice ter- 



nately compound leaves. ... 2 (30) RANUNCULACE.. 



Shrubs or trees, with twice or thrice pinnate leaves or 



phyllodia in their place. Acacia, &c. (43) LEGUMINOSJB. 



* * Stamens united with the base of the (hypogynous} petals. 

 Calyx valvate in the bud : stamens monadelphous : an- 

 thers kidney -shaped, 1 -celled. . . . 65 (36) MALVACEJB. 

 Calyx imbricated in the bud: anthers 2-celled. 70 (38) CAMELLIAOE^B. 



* # # Stamens and petals inserted on the calyx (perigynous). 

 Stamens just twice as many as the petals, 12, 14, or 16. 



Pistils as many as the petals, separate : leaves fleshy. (53) CRASSULACE^J. 



Pistil only one, 1 -2-celled, many-seeded. . 127 (50) LYTHRACE.SS. 



Stamens more than twice as many as the 5 petals (in 



natural flowers) : leaves alternate, with stipules. 110 (45) ROSACES, 

 Stamens (short) and petals both indefinitely numerous: 

 leaves opposite : pistils many, enclosed in a hol- 

 low receptacle 116 (49) CALYCANTHACE.SJ. 



2. Calyx more or less coherent with the surface of the (compound) ovary ; i. e. the 

 ovary inferior or partly so. 



several-celled, the cells in two sets, one above the 

 other. Tree, with showy scarlet flowers. Punica. (49) MTRTACE^E. 

 Ovary 2 - 5-celled. 



Leaves punctate with pellucid dots under a lens. (49) MYRTACEJE. 



Leaves not punctate with pellucid dots, 



With stipules, not unequal-sided : fruit fleshy. 110 (45) ROSACES. 



With stipules, strikingly unequal-sided : ovary 3-angled. (53) BEGONIACE^;. 

 Without stipules, 



Alternate, not fleshy : stamens adhering to the bases 



of the petals. Shrubs 265 STYRACACEJB. 



Opposite, not fleshy: stamens not on the petals. 



Shrubs. Philadelphus. 141 (54) SAXIFRAGACEJE. 



Opposite or alternate, thickened and fleshy : petals 



numerous and narrow. . . (51) MESEMBRYANTHEMACEJB. 

 Ovary 10-30-celled: ovules many, covering the partitions : 



petals v.ry numerous ; aquatic. 22 NYMPH JRACEJC. 



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