ARTIFICIAL KEY, 



Climbers with palmi-nerved leaves and Cucurbitace© 

 1-dexnal flowers .... (p. 164) 



b. Stamens opposite to the petals or 

 corolla lobes. 



i. Juice not milky. Ovary 1-celled. 



Undershnib. Ovule 1. Styles 5 . . Plumbaginace© 



(p. 403) 



Trees or shrubs. Ovules mora than Myrsinace© 

 1. Style 1 (p. 403) 



ii. Juice milky. Ovary 2-8-celled. Sapotace© 

 Trees or shrubs . . . (Sideroxylon) 



(p. 406) 



2. Stannous united into a column, or 

 anthers connate, or conniving in 

 a cone round the stigma and ad- 

 herent to it. 



a. Leaves opposite, juice milky. Fls. 

 not in dense heads surrounded by 

 an involucre. 



Stamens in a column or, if free, pollen 

 forming one or two masses. 



Climbers, rarely small trees or shrubs Asclepiadace© 

 (leafless in Sarcostemma) . . (p. 430) 



Stamens not in a column. Pollen gra- Apocynace© 

 nular. Trees, shrubs or climbers . (p. 423) 



b* L. opposite or alt. Fls. in dense 



heads surrounded by an involucre Composit© 



of bracts (as in Daisy, Zinnia) . (p. 511) 



108 



