DICHOTOMOUS KEY TO THE EUCALYPTUS. 3 



No. No 



2. Stamens united in four bundles ... ... ... 3 



(This character is generally also discernible in the fruit by 

 four depressions where the stamens had been inserted. ) 



Stamens free and inserted all around the inside of 



the calyx ... ... ... ... ... ... 5 



3. Fruit more than 1 inch in diameter, convex above the 



rim of the calyx, E. erythrocorys. 

 Fruit less than 1 inch in diameter, the valves enclosed 4 



4. Leaves mostly opposite, ovate-lanceolate, mealy-white, 



E. tetragona. 



Leaves scattered, lanceolate-falcate, dull green, 

 E. eudesmioides. 



5. Fruit quadrangular, about 1J inches long, reddish, 



E. tetraptera. 

 Fruit terete or irregularly angular ... ... ... 6 



6. Fruit- valves quite enclosed in the capsule ... ... 7 



Fruit- valves either quite exserted or the points reaching 



the level of the rim 64 



7. Flowers mostly paniculated ... ... ... ... 8 



Flowers in simple umbels ... ... ... ... 35 



(Occasionally the inflorescence will appear paniculated in 

 this section through the falling off of the leaves. ) 



8. Leaves mostly opposite... ... ... ... .. 



Leaves scattered ... ... ... ... .. 



9. Leaves connate 10 



Leaves not connate ... ... ... ... ... 11 



10. Leaves about 6 inches long, 3 inches broad, E. perfoliata 



(allied to No. 31, E. corymbosa). 

 Leaves not exceeding 2 inches in length, 



E gamophylla. 



1 1 Leaves mostly ovate, not exceeding 2 inches in length 

 Leaves lanceolate, at least 3 inches long 



12. Calyx bristly, E. setosa. 

 Calyx glabrous, E. aspera. 



13. Fruit ^ to ^ inch in diameter, E. ferruginea. 



Fruit not exceeding J inch in diameter, E. clavigera. 

 (E. (jrandifolia and E. Papuana are varieties of this.) 



14. Leaves mostly peltate, E. peltata. 



Leaves attached to the stalks at the base ... ... 15 



15. Leaves of equal colour on both sides ... ... ... 16 



(See also Nos. 31 and 34.) 



Leaves paler beneath than above ... ... ... 24 



16. Fruit at least \ inch in diameter, more or less urceolate 17 

 Fruit rarely exceeding -J inch ... ... ... ... 19 



