19 



141. Shrub or tree ; leaves alternate ; 



anthers opening in terminal 

 pores ... 

 Herb ; leaves opposite, succulent ; 

 anthers opening longitudinally 



142. Stamens hypogynous 

 Stamens inserted in the tube 



143. Herb with radical leaves... 

 Shrub ; leaves alternate ... 



144. Stamens opposite the corolla lobes 

 Stamens alternate with corolla 



lobes ... 



145. Ovary 1-celled, with a free central 



placenta 

 Ovary 2- 10-celled 



146. Herb J fruit capsular or dry 

 Shrub or tree ; fruit succulent, 



indehiscent 



147. Styles 5 



Style 1 



148. Leaves opposite or whorled 

 Leaves alternate, radical or none 



149. Ovary 4-lobed, with one ovule in 



each lobe 

 Ovary not 4-lobed 



150. Ovary 1-celled or partially 2-celled, 



the placentas not meeting in 

 the axis 

 Ovary '.'-celled, or of 2 carpels with 

 1 or more ovules in each 



151. Tall climbers ; flowers 4- or 5- 



merous 

 Bitter herb ; leaves opposite ; 

 flowers 4-merous 



152. Flowers dioecious... 

 Flowers hermaphrodite ... 



153. Stamens united in a mass round 



the pistil 

 Stamens, or at least their filaments, 

 distinct 



154. Carpels 2, distinct 

 Carpels 2, united ... 



155. Pollen in granular masses 

 PoUen normal 



156. Stigma thickened, conical 

 Stigma capitate or lobed... 



157. Ovary 2-celled, leaves connected 



by stipular line 

 Ovary, 1-ceUed, leaves not so 

 joined ... 



158. Corolla tubular 



Corolla rotate 



21616 



Ericaceae (p. 154). 



Crassulaceae {Tp. 99). 



143. 



144. 

 Plumba-ginaceae (p. 155). 

 Ericaceae (p. 154). 



145. 



148. 



146. 

 Sapotaceae (p. 160). 

 147. 



Myrsinaceae (p. 157). 

 Plumbaginaceae (p. 155). 

 Primulaceae (p. 156). 



149. 



159. 



Labiatae (p. 205). 

 150. 



151. 



153. 



152. 



Gentianaeeae (p. 174). 

 Olacaceae (p. 58). 

 Apocynaceae (p. 167). 



Asclepiadaceae (p. 169). 



154. 



155. 



156. 

 Asclepiadaceae (p. 169). 

 Apocynaceae (p. 167). 

 Apocynaceae (p. 167). 



157. 



158. 



Gentianaeeae (p. 174). 

 Loganiaceae (p. 173). 

 Scrophulariaceae (p. 184). 



B 2 



