xlviii ANALYTICAL KEY. 



Anthers free. 



Stamens twice the number of corolla-lobes or teeth. 



Corolla shortly toothed. Anthers opening in terminal 



pores * Vaccinium, p. 199. 



Corolla deeply toothed. Anthers opening longitudinally Styeax, p. 213. 

 Stamens the same number as the corolla-lobes, and oppo- 

 site them. 



Parasitical shrub. Corolla 4-lobed Loeantiitts, p. 140. 



Terrestrial trees or shrubs. Corolla small, 5-lobed . . Mjesa, p. 203. * 

 Stamens the same number as the corolla-lobes, and alter- 

 nate with them. 

 Leaves opposite or whorled. 



No stipules. Corolla regular or irregular . . . Capeifoliace^:, p. 14 2. 

 Stipules between the leaves (or rarely like them, and 



forming a whorl with them) RuBiACEiE, p. 144. 



Leaves alternate. 



Corolla irregular Scjsvola, p. 198. 



Corolla regular. 



Shrub. Berry 1-seeded Schcepfia, p, 52. 



Herbs. Capsule many-seeded Wahlekbeegia, p. 1 I 7 



H. Monopetals with a superior ovary. 



(Stamens more than twice the corolla-lobes : see Polypetals, B.) 



Stamens twice the number of corolla-lobes. 



Shrubs or trees. Leaves alternate. Anthers opening in 



terminal pores Eeicacejs, p. 199. 



Herbs. Leaves opposite, succulent. Anthers opening 



longitudinally Beyophtllum, p. 127. 



Stamens equal in number to the corolla-lobes. 

 Stamens hypogynous. 



Herbs with radical leaves Statice, p. 281. 



Shrubs. Leaves alternate Azalea, p. 201. 



Stamens opposite the corolla-lobes, and inserted in the tube. 

 Ovary 1-celled, with a free central placenta. 



Herbs. Fruit capsular or dry Peimtjlace^;, p. 202. 



Shrubs or trees. Fruit succulent, indehiscent . . . Myesinace^e, p. 202. 



Ovary 2- to 5-celled. Shrubs or trees Sideeoxylon, p. 209. 



Stamens alternate with the corolla-lobes, and inserted in 

 the tube. 

 Leaves opposite or whorled. 



Ovary 4-lobed, with 1 ovule in each lobe Labiate, p. 274. 



Ovary 1-celled or partially 2-celled, the placentas not 

 meeting in the axis. 

 Tall climber. Leaves whorled. Flowers 5-merous Allamanda, p. 217. 

 Bitter herb. Leaves opposite. Flowers 4-merous . Exacum, p. 233. 

 Ovary 2-celled, or of 2 carpels with 1 or more ovules 

 in each. 

 Stamens united in a mass round the pistil .... Asclepiadeje, p. 223. 

 Stamens, or at least their filaments, distinct. 



Carpels 2, distinct Apocynacejs, p. 216. 



Ovary 2-celled. 



Stigma thickened, conical Melodltsttjs, p. 218. 



Stigma capitate or lobed Loganiace^:, p. 229. 



Leaves alternate or radical. 



Several ovules in each cell of the ovary. 



Corolla scarious and transparent Plantago, p. 280. 



Corolla not scarious Solanace^e, p. 241. 





