Leaves compound. Trees, natives of tropical America. 



RHIZOBOLACE.K. 

 Leaves simple. 



Juice yellow, milky. Leaves opposite, leathery. Seeds without 

 albumen. Radicle very small. Tropical trees or shrubs. 



CLUSIACE.K. 



Juice not yellow. 







Sepals and petals twisted in the bud. Leaves mostly opposite. 



Petals live, or rarely three, ovate or round, thin, more or less 



wavy or crumpled, of short duration. Seeds many, albuminous. 



Herbs or shrubs.' CISTACE.K. p. 60. 

 Sepals imbricate in the bud. Leaves mostly alternate. Trees or 



shrubs. 



Juice balsamic. Petioles not jointed at the base nor articulated 

 with the stem. Calyx persistent. Styles united into one, linear. 

 Stigma five lobed. Fruit a drupe. Seeds few, albuminous. 



HUMIRIACE.K. 



Juice watery. Petioles articulated with the stem. Sepals leathery. 



Calyx deciduous, usually not green. Stigma sessile, or terminating 

 a short style. Seeds without albumen. Natives of tropical 

 America. MARCGRAVIACE.K. 



Calyx usually persistent. Sepals concave. Styles two or more. 

 Leaves with translucent dots. TEKNSTROMIACE.E. p. 75. 



48. Carpels distinct, commonly numerous. Trees or shrubs. 



MAGNOLIACEJE. p. 42. 

 .Carpels united into one ovary with more than one placenta. 



Calyx valvate in the bud. 49 

 Calyx imbricate or twisted in the bud. 



Leaves alternate, leathery. Sepals three, concave, imbricate in the 

 bud. Small trees or climbing shrubs, natives of Madagascar. 



CHLENATK F. 



Leaves mostly opposite. Sepals five, twisted in the bud. Herbs 

 or shrubs. CISTACE^. p. 60. 



