KEY TO THE FAMILIES 



Pittosporaceae 

 Ericaceae 



Ehretia 

 Lydum 



Loganiaceae 



Gardneria 



Callicarpa 



Apocynaceae 



7a. Plants woody. 



8a. Stamens commonly 2: lvs. usually opposite 142. Oleaceae 



8b. Stamens and corolla lobes 5 or 4. 



9a. Gynoecium syncarpous; ovary compound. 

 10a. Corolla lobes and stamens 5: lvs. usually alternate. 

 11a. Stamens not inserted on the corolla. 



Anthers opening by longitudinal slits: lvs. 



alternate 77. 



Anthers opening by terminal pores 135. 



lib. Stamens inserted on the corolla tube. 



Trees: fls. white: fr. a black or yellow drupe.. . 



Rambling shrub: fls. purplish: fr. a red berry.. . 



10b. Corolla lobes and stamens 4: lvs. opposite: shrubs. 



Fr. a capsule with numerous very small seeds. 143. 

 Fr. a berry or drupe. 

 Fr. a 2-seeded berry: lvs. evergreen, entire. .. 

 Fr. a drupe, with 2-4 stones: lvs. deciduous, 



usually serrate 



9b. Gynoecium apocarpous, of 2 distinct carpels: corolla 



twisted in the bud: lvs. opposite or whorled 145. 



7b. Plants herbaceous. 

 12a. Corolla petaloid. 



13a. Gynoecium apocarpous, of 2 carpels: lvs. usually 

 opposite. 



Filaments free 



Filaments united: anthers joined to the stigma: 



pollen in waxy masses (pollinia) 146. 



13b. Gynoecium syncarpous. 



14a. Ovary not deeply lobed. 

 15a. Twining vines. 



Lvs. opposite : seeds many, winged 



Lvs. alternate: seeds few, mostly 4 147. 



15b. Erect, decumbent or floating herbs, or if vines, 

 not twining: seeds many. 

 Lvs. opposite or whorled. 



Ovary 1-celled: capsule dehiscing by 2 



valves 144. 



Ovary 3-celled: capsule dehiscing by 3 



valves 148. 



Lvs. alternate: ovary 2-celled, sometimes 

 appearing 4-celled by a false partition: fr. 



a capsule or berry 152. 



14b. Ovary deeply 4-parted, separating at maturity 



into 4 nutlets: lvs. alternate 149. 



12b. Corolla membranous (papery): fr. a circumscissile 



capsule: lvs. basal 161. 



2b. Ovary inferior or semi-inferior. (2a, p. 8) 

 16a. Fls. not in heads subtended by involucres: anthers free. 

 17a. Herbs or shrubs, not tendril-bearing. 



18a. Lvs. alternate (opposite or whorled below in some 

 Campanulaceae). 

 19a. Plants woody, with watery sap. 



Stamens of the same number and opposite the corolla 



lobes Maesa 



Cath aranthus 

 Asclepiadaceae 



Crawfurdia 

 Convolvulaceae 



Gentianaceae 

 Polemoniaceae 



Solanaceae 



Boraginaceae 



Plantaginaceae 



17 



