II.] KEY TO NATURAL ORDERS. ly, 



CoMPOSiTiE (p. 227). — Trees, shrubs, or herbs with 

 alternate or opposite leaves, and capitate inflorescence. 

 Stamens as many as corolla-lobes ; anthers syngenesious. 

 Ovary one-celled, with one erect ovule. 



CAMPANULACEiE (p. 231). — Hcrbs or shrubs with alternate 

 or opposite exstipulate leaves and milky juice. Stamens as 

 many as corolla-lobes ; epigynous. Ovary two- to three- or 

 more-celled. Seeds indefinite. 



Styracace^ (p. 233). — Trees or shrubs with alternate 

 simple leaves. Stamens often indefinite, inserted on the 

 base of the corolla-tube. Seeds usually solitary. 



Ericaceae, Tribe Vacciniece (p. 232). — Shrubs or trees with 

 alternate simple leaves. Stamens epigynous, usually twice 

 as many as corolla-lobes. Anthers opening by pores, 

 often appendaged. Seeds indefinite. 



** Ovary superior. 



ERiCACEiE, Tribe Ericece, (p. 233). — As in Tribe Vacciniccz. 



Ebenace^e (p. 234). — Trees or shmbs with alternate 

 entire leaves, and regular, usually polygamous, flowers. 

 Stamens inserted on the base of the corolla or hypogy- 

 nous, usually a multiple of the corolla-lobes. Ovules one 

 or two in each cell of the ovary. 



Sapotace^e (p. 235). — Trees or shrubs with alternate 

 entire leaves. Flowers regular. Stamens opposite to the 

 corolla-lobes, as many or twice as many ; often with nume- 

 rous scale-like staminodes. Ovules solitary or in pairs, in 

 each cell of the ovary. 



Oleace/E (p. 236). — Trees or shrubs with opposite leaves. 

 Flowers regular. Stamens two. Ovary two-celled ; ovules 

 one or two in each cell. 



ApocYNACEiE (p. 238). — Trees, shrubs, often climbing or 

 twining, or herbs with opposite or rarely alternate, exsti- 



