xlvi ♦ ANALYTICAL KEY. 



Petals longer than the sepals and alternate with them. 



Petals ralvate. Ovary 2- to 6-celled Yitex, p. 53. 



Petals imbricate. Ovaiy l-celled MyrsikacetE, p. 202. 



Petals longer than the sepals and opposite to them . Sabia, p. 70. 

 Stamens alternate with the petals. 



Stamens distinctly hypogynous. 



Petals erect, clawed. Ovary incompletely 2-celled. 



Shrub PlTTOSPOETTM, p. 19. 



Petals spreading. Ovary l-celled, with parietal pla- 

 centas. Herb Drosera, p. 129. 



Stamens slightly perigpious or adhering to tlie petals. 



Stamens inserted on a broad fleshy disk .... Celastrace^, p. Gl. 

 Stamens adhering to the base of the petals. 



Ovary 5-celled, with 2 ovules in each cell . . . Pentaphtlax, p. 28. 

 Ovary 4-celled, with 1 ovule in each cell . . . Ilex, p. 64, 

 Stamens free, not corresjjondinff in number tcith the petals. 



Stamens 6. Petals 4. Herbs Crecifer^, p. 15. 



Stamens 3. Petals 5. Woody climber Hippocratea, p. 61. 



Stamens 2. Petals 4. Tree Fraxinus, p. 214. 



Leaves alternate, compound. 

 Herbs. 



Sepals 4. Petals 4. Stamens 8 (rarely more). 



Pod linear, 2-valved Polai^isia, p. 17. 



Pod inflated, 3-cornered, 3-valved ....... Cardiospermum, p. 46. 



Sepals 5. Petals 5. Stamens 10 Oxalis, p. 56. 



Trees, shrubs, or tall climbers. 

 Stamens as many as petals. 



Stamens opposite the petals. CHmbers Vitis, p. 53. 



Stamens alternate with the petals. Trees or shrubs. 



Ovary l-celled, with 1 ovule Rhus, p. 69. 



Ovary-cells or carpels 4 or 5. 



Leaves dotted Eutace^, p. 57. 



Leaves not dotted SimarubacejE, p. 60. 



Stamens double the number of petals. 



Stamens inserted within an annidar disk. Leaves 



not dotted Nephelium, p. 46. 



Disk within the stamens or none. 



Leaves dotted. Ovules 1 or 2 in each cell of the 



ovary Aurantiace^, p. 49. 



Leaves not dotted. Ovules several in each cell 



of the ovary Aterrhoa, p. 56. 



D. HeguJar syncarpous Polypetals, with indefinite perigynous or superior stamens. 



Leaves alternate. 



Flowers hermaphrodite. Calyx-lobes and petals 5 or 

 rarely 4. 



Stamens attached to the base of the petals Stmplocos, p. 211. 



Stamens free from the petals, inserted with them on the 



calyx Rosace.^, p. 103. 



Flowers unisexual. Sepals 2 or 3. Petals 2 to 5. Fruit 



3-wmged Begonia, p. 126. 



Leaves opposite. 

 Ovary inferior. 



Calyx-segments linear, valvate. Petals cut Kandelia, p. 110. 



Calyx-lobes imbricate or very small. Petals entire . . Myrtace^, p. 117. 

 Ovary free, but enclosed in the\'alyx- tube Lagerstrcemia, p. 112. 



