BOTANICAL DISCOVERY. XXXVI 
Dr. D. Petrie has continued to publish regularly in the “ Transactions 
of the New Zealand Institute’ descriptions of new species and other 
information relating to native plants. He contributed the article on the 
Gramineae to the volume on the ‘‘ Subantarctic Islands of New Zealand,” 
and published an account of the plants of Mount Hector, and notes on the 
pollination of the puriri, and Rhabdothamnus Solandri. 
Besides the ecological work mentioned in the next section, Dr. L. 
Cockayne has published a number of papers (Trans. N.Z. Inst.) recording 
the distribution of plants, describing new species, and offering critical 
remarks on others. | 
Mr. B. C. Aston has explored several of the mountain-ranges of New 
Zealand, and has published general accounts of the vegetation with lists 
of species of the Tararua and Ruahine Ranges and of Mount Tarawera. 
He has also published a useful list of the plants of the Wellington 
Province. 
Mr. R. M. Laing has explored several portions of the Canterbury Pyro- 
vince, and has published (Trans. N.Z. Inst.) accounts of the plants of the 
Spenser Mountains and Banks Peninsula. Together with Miss E. W. Black- 
well, he published in 1906 a volume on the plants of New Zealand, describing 
and illustrating the more important species. 
Mr. D. L. Poppelwell has visited many localities in Otago District and 
Stewart Island, and has contributed to the ‘“‘ Transactions of the New 
Zealand Institute ” several papers dealing with different localities, including 
the Eyre Mountains, Hokonui Hills, Ben Lomond, and the Routeburn, 
Makarora, and Hollyford Valleys. | 
Mr. J. Crosby Smith has also done much work in Otago, and has 
published an account of Lake Hauroko district and a list of the plants of 
Southland. 
Professor Arnold Wall has collected assiduously for a number of years. 
His publications (Trans. N.Z. Inst.) include an interesting account of the 
distribution of Senecio saxifrugoides and 8. lagopus on Banks Peninsula 
(Trans. N.Z. Inst., vol. 50). 
Other contributions by investigators working in New Zealand include 
(Trans. N.Z. Inst.) an account of the vegetation of Westport district 
by Mr. W. Townson, Pteridophytes of Banks Peninsula by. Mr. W. Martin, 
the flora of Mongonui County by Mr. H. Carse, and the grasses of Tutira 
by Mr. H. Guthrie-Smith. ? 
Lists of plants have been separately published by Mr. W. Martin for 
the neighbourhood of Dunedin, Professor C. Chilton for Riccarton Bush, 
Christchurch, and Professor A. Wall for the vicinity of Christchurch. 
Foreign workers who have included in their publications New Zealand 
material are—Dr. G. Beauverd, on Compositae (Bull. Soc. Gen.); Dr. G. 
Bitter, on 4Acaena; Dr. A. Thellung, on Lepidium; and the contributors 
to “Das Pflanzenreich.”’ 
ECOLOGICAL BOTANY, 
Foremost among the publications dealing with the ecological aspects of 
the plants of New Zealand are the writings of Dr. L. Cockayne. Of a general 
nature 1s his article entitled “ Observations concerning Evolution derived 
from Ecological Studies in New Zealand ’’ (Trans. N.Z. Inst., vol. 44). 
Other articles in the Transactions describe the plant formations of Open 
Bay Islands, Poor Knights Islands, Mount Fyffe, and, in collaboration with 
Mr, C. E. Foweraker, the vegetation of the Cass Biological Station, and with 
ii F I. 
