BOTANICAL INTKODUCTION 



51 



17. Stamens pipetalous or alternate with the 



petals. 

 Stamens perigynous. Petals overlapping in 

 the bud. 



18. Stamens epipetalous. 



Stamens alternate with the petals. 



19. Cells of fruit 1 -seeded. 

 Cells of fruit many seeded. 



-20. Cells of fruit 1-seeded. 



Cells of fruit many seeded. 

 ■21. Shrubs. 



Herbs. 

 '22. Leaves stipulate. 



Leaves exstipulate. 

 23. Carpels solitary or free. 



Carpels combined into a 1- or more-celled 

 ovary. 

 ■24. Carpels solitary, 2 or more seeded. Flowers 

 irregular. 



Carpels several , free , 1-seeded . Flowers regular 



25. Ovary 1-celled. 

 Ovary 2 or more celled. 



26. Ovules on the walls of the ovary. 

 O-vules fixed to the base of the ovary. 



27. Climbing shrubs. 



Herbs or shrubs not climbing. 



28. Viscid glandular herbs. Flowers regular. 

 Herbs or shrubs, not glandular. Flowers 



regular or irregular. 



29. Herbs. Stamens 3-5, attached to the petals. 



30. Stamens hypogynous. 

 Stamens perigynous. 



31. Leaves opposite. Water herbs. 

 Leaves alternate. Herbs. 



32. Stamens opposite the petals. Ovules 1 in 



each cell. Shrubs. 

 Stamens 5, alternate, or 10 opposite and 

 alternate with the petals . Ovules many . 



33. Carpels several, free, or one. 



Carpels combined into a 1 or more celled 

 ovary. 



34. Carpels several, free. 

 Carpels solitary, 1-celled. 



35. Leaves opposite. 

 Leaves alternate. 



36. Herbs. Carpels 5 or more. 

 Tree. Leaves simple, aromatic. 



37. Herbs. Fruit dry. 



18. 



ONAGEACEAE, p. 290. 

 LORANTHACEAE, p. 138. 



19. 

 CORNACEAE, p. 297. 

 SAXIPRAGACEAE, p. 185. 



21. 

 SAXIFRAGACEAE, p. 185. 

 Griselinia, p. 298. 

 HALORAGIDACEAE, p. 295. 



23. 



33. 



24. 



25. 



Leguminosae, p. 203. 

 . Eosaoeae, p. 195. 



26. 



30. 



27. 



29. 

 Passifloraceae, p. 268. 



28. 

 Droseraceae, p. 180. 



VIOLACEAE, p. 261. 



Caryophyllaceae, p. 156. 

 31. 

 .32. 

 jElatine. 

 Geraniageae, p. 215. 



Rhamnaceae, p. 2.35. 



SAXIFRAGACEAE, p. 185. 

 34. 



41. 

 35. 

 38. 

 37. 

 36. 

 Ranunculaceae, p. 160. 



DRIMYS, p. 172. 

 iTillcea. 



tNot further described. 



