12 



16. Sepals and petals 4 or 5, small, 



valvate ; leaves compound . . . 

 Sepals 3 to 5, imbricate ; leaves 

 simple... 



17. Sepals 5, valvate ; petals ; 



climber with opposite leaves . . . 

 Sepals 3 ... 



18. Petals 6-12, imbricate in series 



of 3, glabrous 

 Petals in 1 or 2 series of 3 each, 

 all valvate or tomentose 



19. Stamens hypogynous 



Stamens perigynous or superior ... 



20. Stamens equal in number to and 



opposite the petals (alternate 

 with sepals when petals are 

 wanting) 

 Stamens twice the petals, or, if 

 equal in number, alternate with 

 them ... 



21. Carpels 1-3, uniovulate, leaves 



simple ... 

 Carpels 1-3, 2 or more ovules in 

 each ... 



22. Stamens 4 or 5 

 Stamens 8 or 10 ... 



23. Carpels in each flower, several ... 

 Carpels solitary ... 



24. Shrub 



Herb 



25. Stamens hypogynous 



Stamens perigynous or superior ... 



26. Leaves opposite ... 

 Leaves alternate ... 



27. Sepals and petals 5 each ; fruit a 



capsule 

 Sepals 4 ; petals 4 or more ; fruit 

 a drupe 



28. Placentas parietal ; ovary 1-celled 

 Ovary 2- or more-celled ; ovules 



in the axis 



29. Sepals 2 ; petals 4, large ; prickly 



herb ... 

 Sepals 4 or more ... 



30. Ovary stipitate or oblong 

 Fruit a sessile globular berry 



31. Stamens united in a column or 



tube round the style or poly- 

 adelphous 

 Stamens free or united in a ring 

 at the base 



Leguminosae (p. 70). 

 Dilleniaceae (p. 27). 



Ranunculaceae (p. 25). 

 18. 



Magnoliaceae (p. 27). 



Anonaceae. (p. 29). 

 20. 

 94 (p. 16). 



21. 



22. 



Menispermaceae (p. 30). 



Berberidaceae (p. 32). 

 Simarubaceae (p. 57). 



23. 



24. 

 Leguminosae (p. 70). 

 Connaraceae (p, 70). 

 Crassulaceae (p. 99). 



26. 



88. 



27. 



28. 



Hypericaceae (p. 41). 



Guttiferae (p. 42). 

 29. 



31. 



Papaveraceae (p. 33). 



30. 

 Capparidaceae (p. 35). 

 Bixaceae (p. 37). 



32. 



34. 



