16 ANALYTICAL KEY 



Sepals 4; juice watery : placentae parietal CAPPARIDACKAE, 438 

 Sepals 3 or 5, persistent; juice watery; placentae 



parietal CISTACEAE, 57<> 



Ovary several-celled. 

 Calyx valvate in bud. 

 Herbs or rarely shrubs; stamens united; anthers 



1-celled MALVACEAE, 566 



Trees ; anthers 2-celled TILIACEAE, 5<if> 



Calyx imbricate in bud. 

 Shrubs ; stamens on the base of the petals 



TERNSTROEMIACEAE, 570 

 Aquatic or marsh-dwelling herbs. 

 Leaves tubular or trumpet-shaped ; placentae in 



the axis SARRACENIACEAE, 439 



Leaves (when mature) flattish, never tubular or 

 trumpet-shaped ; ovules on the partitions of 

 the ovary NYMPHAEACEAE, 389 



p. Calyx more or less adherent to a compound ovary. 

 Ovary 7-30-celled. 



Cells many-ovuled ; aquatic herbs NYMPHAEACEAE, 389 



Cells 10, each 1-ovuled ; trees or shrubs Amelnm-hit-r. 4. r > ( .) 



Ovary 6-celled Asururn, 352 



Ovary 1-5-celled. 



Fleshy-stemmed, without true foliage; petals many CACTACEAE, 58<S 



Leaves present. 

 Sepals or calyx-lobes 2 ; ovules arising from the base of a 



1-celled ovary PORTULACACEAE, 387 



Sepals or calyx-lobes more than 2. 



Leaves opposite ; stipules none SAXIFRAGACEAE, 444 



Leaves alternate. 



Stipules present ROSACE AE, 454 



Stipules none. 



Herbs with rough-pubescent leaves LOASACE \ 



Trees or shrubs STYRACACEAE, 649 



o. Stamens not more than twice as many as the petals u. 

 u. Stamens of the same number as the petals and opposite them. 



Ovaries 3-6, separate ; woody vines MENISPERMACEAE, 410 



Ovary only one. 

 Ovary 2-4-celled. 



Calyx-lobes minute or obsolete; petals valvate VITACEAE. 562 



Calyx 4-5-cleft; petals involute RHAMNAI EAK. r>60 



Ovary 1-celled. 



Anthers opening by uplifted lids BERBEKIDACEAI 1 1 1 



Anthers not opening by uplifted lids. 



Style 1, unhranehed : stigma 1 I'KIM II.A- KAE, 643 



Styles, style-branches, or stigmas more than 1. 



Sepals or calyx-lobes 2 PoRTULACACE \ 



Sepals <r calyx-lobes 3-5. 



Flowers monoecious Crot<nn>i>*i*. ">42 



Flowers perfert 1 'LI M i; \. . I N LCRAB, Hi: 1 . 



n. Stamens not of the saint- number as the petals, or if of the same 



nnmb.-r alternate \\ith them V. 

 v. Calyx frer in. m the ovarv, i.e. ovary wholly superior w. 



