47 



106. Aquatic herbs. Ovary one to four celled, with one ovule in 

 each cell. Stamens one to four. Leaves opposite or in whorls. 



HALORAGKACE.E. p. 140. 

 Not aquatic, and mostly shrubs or trees. 



Ovary with three cells or more. 107 

 Ovary one celled. 



Calyx free from the ovary. Ovules four. Berry four seeded. 



Stamens many. Leaves alternate. Trees. HOMALIACK.E. 

 Calyx adherent to the ovary. 



Ovule single. Stamens five. Filaments with a gland at base. 



iLLIGERACEiE. 



Ovules many. Capsule one celled, one seeded. Stamens fifteen 



to eighteen. Shrubs. HOMALIACE.E. 

 Ovules two to five. 



Seeds without albumen. COMBRETACE.&. 



Albumen of seeds fleshy, abundant. SANTALACE^.. p. 292. 



107- Ovary four celled. Stamens numerous. Style four cleft. Trees 



with alternate leaves. MYRTACE^E. p. 149. 

 Ovary three to six celled, usually with many ovules in each cell. 

 Stigmas mostly six cleft. Herbs. ARISTOLOCIIIACE.K. p. 282. 

 ' Ovary three celled, with one ovule in each cell. Stamens five. 

 Style three cleft. 



Leaves very small. Capsule included in the calyx. 



TETRAGONTACE^ 

 Leaves of ordinary size, opposite. RIIAMNACE.E. p. 86. 



GYMNOSPERMS. 



108. Stem jointed. Leaves opposite. GNETACE.E. 



Stem none. Leaves pinnate. CYCADACEJE. p. 309. 

 Stem not jointed. 



