470 



ISLAND LIFE. 



[part II. 



though chiefly developed in temperate Australia, extend into 

 the tropical or sub-tropical portions of it, and may well have 

 reached New Zealand by the same route. 



On the other hand we fiud but few New Zealand genera 

 certainly derived from Australia which are especially temperate, 

 and it may be as well to give a list of such as do occur with a 

 few remarks. They are sixteen in number, as follows : — 



1. Peiinantia (1 sp.). This genus has a species in Norfolk Island, indi- 



cating perhaps its former extension to the north-west. 



2. Pomaderris (3 sp.). Two species are common to Temperate Australia 



and New Zealand, indicating recent trans-oceanic migration. 



3. Quintinia (2 sp.). This genus has winged seeds facilitating migration. 



4. Olearia (20 sp.). Seeds with pappus. 



5. Craspedia (2 sp.). Seeds with pappus. Alpine ; identical with Australian 



species, and therefore of comparatively recent introduction. 



6. Celmisia (25 sp.). Seeds with pappus. Only three Australian species, 



two of which are identical with New Zealand forms, probably 

 therefore derived from New Zealand. 



7. Ozothamnus (5 sp.). Seeds with pappus. 



8. Epacris (4 sp.). Minute seeds. Some species are sub-tropical, and 



they are all found in the northern (warmer) is^and of New Zealand. 



9. Archeria (2 sp.). Minute seeds. Tasmania and New Zealand only. 



14. Alternanthera. Tropical Australia, India, and S. America. 



15. Tretrantliera. Tropical Australia, Tropics. 



16. Santalum. Tropical and Sub-tropical Australia, Pacific, Ma^ay Islands. 



17. Carumhium. Tropical and Sub-tropical Australia, Pacific Islands. 



18. Elatostemma. Sub-tropical Australia, Asia, Pacific lalands. 



19. Peperomia. Tropical and Sub-tropical Australia, Tropics. 



20. Piper. Tropical and Sub-tropical Australia, Tropics. 



21. Dacryd'ium. Tasmania, Malay, and Pacific Islands. 



22. Dammara, Tropical Australia, Malay, and Pacific Islands. 



23. Dendrobiiim. Tropical Australia, Eastern Tropics. 



24. Bolhophyllum. Tropical and Sub-tropical Australia, Tropics. 



25. Sarcochilus. Tropical and Sub-tropical Australia, Fiji, and Malay 



Islands. 



26. Freycinetia. Tropical Australia, Tropical Asia. 



27. Cordyline. Tropical Australia, Pacific Islands. 



28. Dianella. Australia, India, Madagascar, Pacific Islands. 



29. Cyperus. Australia, Tropical regions mainly. 



30. Fwibristylis. Tropical Australia, Tropical regions. 



31. Paspalum. Tropical and Sub-tropical grasses. 



32. Isachne. Tropical and Sub-tropical grasses. 



33. Sporoholus. Tropical and Sub-tropical grasses. 



