50 



PLANTS OF NEW ZEALAND 



3. Perianth superior, of 6 leaflets in 2 rows. 

 Perianth inferior, segments petaloid or fleshy. 



4. Flowers very irregular. Anther 1, attached to 



the style. 

 Flowers regular, stamens 3. 



5. Perianth petaloid. Fruit a 1-3-celled, 3 or 



more seeded berry or capsule. 

 Perianth fleshy. Fruit a 1-seeded drupe. 



4. 

 5. 



ORCHIDACEAE, p. 

 Libertia, p. 109. 



109. 



LlLIACEAE, p. 88. 

 Rhopalosfylis, p. 84. 



SUB-CLASS II. : Dicotyledons. 



1. Flowers having both calyx and corolla. 

 Flowers with a single perianth or 0, the 



calyx or corolla or both being absent. 



2. Petals free. 



Petals more or less completely united. 



3. Stamens more than 20. 

 Stamens less than 20. 



4. Ovary inferior. Leaves usually opposite. 

 Ovary superior. 



5. Leaves with translucent dots. Shrubs or trees 

 Leaves fleshy. Creeping or trailing herbs. 



6. Leaves stipulate. 

 Leaves exstipulate. 



7. Anthers 2-celled. 



Anthers 1-celled. Leaves simple. 



8. Carpels free. Leaves compound. 

 Carpels combined. Leaves simple. 



9. Stamens hypogynous. 

 Stamens perigynous, carpels free. 



10. Carpels free. 

 Carpels united. 



11. Leaves with transparent dots. 

 Leaves without dots. 



12. Ovary inferior (or apparently so). 

 Ovary superior. 



13. Flowers umbelled or in heads. 

 Flowers not in umbels or heads. 



14. Herbs. Stamens 5. Fruit of 2 carpels separ- 



ating when ripe. 



Shrubs or trees (rarely herbs) ; fruit of two or 

 more combined carpels. 



15. Leaves stipulate. 

 Leaves exstipulate. 



16. Style 1 ; stigma simple. 



Styles or stigmas 2 or more, or stigma divided. 



2. 



80. 



3. 

 50. 



4. 

 12. 



5. 



6. 



MYETACEAE, p. 270. 



AIZOACEAE, p. 159. 



7. 



9. 



8. 

 MALVACEAE, p. 250. 



ROSACEAE, p. 195. 

 TILIACEAE, p. 242. 



10, 



ROSACEAE, p. 195. 

 RANUNCULACEAE, p. 160. 



11. 



\Hypericum. 

 TILIACEAE, p. 242. 



13. 



22. 



14. 



15. 



UMBELLIFERAE, p. 312. 



AEALIACEAE, p. 300. 

 RHAMNACEAE, p. 235. 



16. 



17. 



20. 



tNot further described. 



