ANGIOSPERMS. DICOTYLEDONS. 469 



several monomerous (Nelumboneae and Cabombeae), polymerous and plurilocular ; 

 embryo small, surrounded by scanty endosperm in a depression in the perisperm. 

 Families : I. Nelumboneae, 2. Cabombeae, 3. Nymphaeaceae. 



Order 3. RHOEADINAE (Cruciflorae) : Perianth -whorls dimerous, in Cruciferae 

 and Capparideae a tetramerous corolla placed diagonally ; staminal whorls two or 

 more, each dimerous or divisible by two ; ovary superior bilocular, quadrilocular or 

 plurilocular : seed with endosperm in Papaveraceae and Fumariaceae or without. 

 Families : i. Papaveraceae, 3. Cruciferae, 



2. Fumariaceae, 4. Capparideae. 



Order 4. CiSTiFLORAE : Flowers pentamerous with calyx and corolla ; stamens 

 usually more in number than the petals ; ovary superior ; seeds with endosperm or 

 without in Resedaceae, Hypericineae, Elatineae, Tamariscineae, Ternstroemiaceae, 

 Guttiferae, Ochnaceae. 



Families : I, Resedaceae, 9. Frankeniaceae, 



2. Violarieae, 10. Elatineae, 



3. Droseraceae, n. Tamariscineae, 



4. Sarraceniaceae, 12. Ternstroemiaceae (with Marcgraviaceae), 



5. Nepenthaceae, 13. Guttiferae, 



6. Cistineae, 14. Ochnaceae, 



7. Bixineae, 15. Dipterocarpeae. 



8. Hypericineae, 



Order 5. COLUMN I FERAE : Flowers with calyx and corolla, stamens more 

 numerous than the petals through branching, usually united into a column ; ovary 

 superior ; seeds with endosperm. 



Families : I. Tiliaceae, 2. Sterculiaceae (with Biittnerieae), 3. Malvaceae. 



IV. Eucyclae. 



Flowers in whorls, with isostemonous, diplostemonous or obdiplostemonous androecium 

 with hypogynous insertion ; in the diplostemonous androecium the second whorl is 

 sometimes incomplete, and then the number of the stamens is different from that 

 of the corolla (Aesculineae), the isostemonous androecium sometimes superposed 

 (Frangulineae) ; number of carpels equal to that of the sepals and petals or to both 

 together ; seeds usually without endosperm. 



Order I. GRUINALES : Flowers pentamerous with calyx and corolla, androecium 

 obdiplostemonous or only with calycine stamens ; ovary syncarpous, superior. 

 Families : I. Geranieae, 4. Oxalideae, 



2. Tropaeoleae, 5. Lineae, 



3. Limnantheae, 6. Balsamineae. 



Order 2. TEREBINTHINEAE : Flowers tetramerous or pentamerous with calyx and 

 corolla, stamens usually twice as many as the sepals ; ovary superior, with a disk 

 between the stamens. 



Families : I. Rutaceae (with Diosmeae), 4. Simarubeae, 



2. Zygophylleae, 5. Burseraceae, 



3. Meliaceae (with Cedreleae), 6. Anacardiaceae (Terebinthaceae). 

 Order 3. ^SCULINEAE : Flowers pentamerous with calyx and corolla ; stamens 



by interposition of a second complete or incomplete whorl between the members of the 

 . first whorl twice as many as the sepals or fewer. 



Families : I. Sapindaceae, 4. Erythroxylaceae, 



2. Acerineae, 5. Polygaleae, 



3. Malpighiaceae, 6. Vochysiaceae. 



Order 4. FRANGULINEAE : Flowers isostemonous and actinomorphous ; stamens 



