The Elements of the Flora. 1 315 
extensive, was occupied b% similar plants to the world at large, then, if there 
be anything in evolution, we must conclude that there is no reason why certain 
genera, now more or less wide-spread, should not be of New Zealand origin. 
In other words, it seems right to consider that tertiary New Zealand possessed 
a flora part of which had originated on its oum soil, and that there exists to-day 
an ancient New Zealand element just as there does an Australian, Malayan 
or South American. Such an element was assumed by Engler, and is formed 
a portion of his palaeoceanic element. To this assumed autochthonic tertiary 
element I am giving the name “palaeozelandic”. As to what genera should 
be included is largely a matter of conjecture. Certainly, the fact of endemism, 
at the present time, does not stamp a genus as palaeozelandic any more than 
does the occurrence of a common New Zealand genus in Australia, Malaya 
or even South America debar it from being so considered. Thus CHEESEMAN 
(1909:466) is of opinion that Sophora tetraptera and Veronica elliptica migrated 
from New Zealand to South America and not vice versa, as is generally believed. 
To go a little further, it seems not unlikely that various New Zealand plants, 
8.9, — Ron Stelbocarpa, Aciphylla, Celmisia &c. are quite as much 
“Antarctic” as even Norhofagus and Donatia 
The following are possibly Balacosrtande )ı — Daerydium, Podocarpus 
(Dacrycarpus and Stachycarpus), Phyllocladus, Carex (Echinoclaenae), Deschampsia 
(group with awn absent or terminal and very short), Astelia, Chrysobactron, 
Hectorella, Pachycladon, Carmichaelia, Notospartium, Sophora (Edwarasia), 
Gunnera (Milligania), Stilbocarpa, Nothopanax, Pseudopanax, Acıphylla, Am- 
sotome, Coxella, Angelica (the endemic group), Corokia, Archeria, Draco- 
Phyllum, as ner, Myosotidium, Myosotis (Exarrhena), Veronica- 
Hebe, Veronica-Pygmaea, Ourisia, Siphonidium, Coprosma, Oreostylidium, ER 
Plantago (Plantaginella), ARTE, ESTER, Base ne, 
(Zeptinella), Raoulia ‚and NER : | 
ET he Australian element. 
x: Genera 8 
Peer 
The ining 36 genera or f such 
Zealand and Australia: — Althenia [Zepilaena) (otam) 2 
= mon to both; Microlaena ri) z Aus, * N. er 
Pogon (Gramin.) Gramin.) 
a REN 
(Lil) 4 Aus, 1 N 2 Herpolirion Lil) meotypie i 
monotypic; 
- tob both; re (Orchid.) I a ıN. 2; . 
