37 



78. Calyx imbricate in the bud. 79 

 Calyx valvate in the bud. 



Stamens five, inserted on the receptacle. Anthers turned outwards. 

 Calyx soon withering. Leaves alternate. Australian shrubs. 



BYTTNERIACE.*:. 



Stamens more or less than five, inserted on the calyx tube. An- 

 thers turned inwards. Calyx tubular, persistent. 



LYTHKACE.E. p. 149. 



79. Thick-leaved plants. Albumen of seeds mealy or fleshy. 



PORTDLACACE.E. p. 69. 

 Thin-leaved plants. Seeds without Albumen. 



Stamens eight. Stigmas three or single. Calyx five cleft. 



SAPINDACE.E. p. 88. 

 Stamens five or ten. Stigma single. Ovary one celled, with two 



parietal placenta). Ovules two. Calyx long, tubular, or urceo- 



late, colored. AQUILARIACK i:. 

 Stamens ten. Stigmas five. Ovary five celled, with two ovules in 



each cell. GERANIACE.E. p. 77. 



80. Style and stigma single. 82 



Stigmas two or more. Styles sometimes distinct, sometimes united 

 into one. 



Stamens inserted on the receptacle, or on the base of the perianth, 



or on a disc. 81 

 Stamens inserted on the tube of the perianth. 



Stamens in the throat of the perianth. Perianth tubular, funnel- 

 form, or urceolate, persistent, its base becoming hardened around 

 the fruit. Leaves opposite, growing together at base. 



SCLERANTIIACE.E. p. 64. 



Stamens inserted on the middle of the perianth tube, and opposite 

 its divisions. Perianth not hardened in the fruit. Leaves alter- 

 nate. BASBLL.VCE.E. 



