246 DR. K. DOMIN ON THE 
and Capt. Dorrien-Smith, and to give а phytogeographic and statistic account 
of the North-West Australian flora and its relations with the floras of other 
parts of Australia and of the neighbouring countries *. 
I. DICOTYLEDONE.Z. 
CASUARINACE./E. 
Casuarina, L. 
CASUARINA DORRIENT, Domin, sp. п. (Plate 18. figg. 25-27.) 
Arbor vel frutex elatus probabiliter dioicus ramulis permultis erectis ; 
rami vetustiores crassi fusci striato-sulcati glabri, ramuli tenues sed 
rigidiusculi diametro 1 mm. vel paulo latiores costati glauci et tantum sub 
dentibus luteoli; internodia mediocriter longa (circa 11-20 mm.); dentes 
9 subpatuli lanceolati glabri circiter ł mm. longi acuti pallide brunnei 
tantum basi intensius colorati (fusci). Amenta mascula perangusta ramulis 
paulo latiora elongata usque 3 em. longa internodiis circa 15 usque 20 
brevibus instructa ; dentes iis ramulorum similes, sed manifeste subpatuli 
in vaginas subeampanulatas connati. Strobili foeminei sub flore parvi 
subglobosi manifeste pedieellati : pedicelli vertieillis pluribus (circa 6) 
approximatis imbricatis obtecti ; bractez lineari-lanceolate ; strobilus sub- 
sessilis breviter late cylindricus vel elliptice cylindricus basi et apice truncatus 
* For more detailed information I refer to the following sources :— 
G. BrxTHAM. Flora Australiensis. 7 vols. ; London, 1863-1878 (quoted as 
“ Bentham "). 
L. Diets. Die Pflanzenwelt von West-Australien. Leipzig, 1906. 
L. Diets and E. PRITZEL. Fragmenta Phytographiz Australis occidentalis. Engler’s 
Botan, Jahrb. xxxv. pp. 56-662 (1904-1905) (quoted as “ Fragm."). 
X. DowiN.  Queensland's Plant Associations. (Some Problems of Queensland's 
Botanogeography). Proc. Roy. Soc. Queensland, vol. xxiii. (1910). 
J.D. Hooxer. On the Flora of Australia, its Origin, Affinities, and Distribution, 
being an Introductory Essay to the Flora of Tasmania, London, 1859. 
Journal of the Natural History and Science Society of Western Australia (incl. Mueller 
Botanic Society). 
Сн. LEHMANN. Plante Preissiane sive Enumeratio plantarum quas in Australia 
occidentali et meridionali-occidentali annis 1838-1841 collegit Ludovicus Preiss. 
2 vols. ; Hamburg, 1844-1847. 
J. LINDLEY. <A Sketch of the Vegetation of the Swan River Colony. London, 1889. 
SPENCER Lk Mancuawr Моовк. The Botanical Results of a Journey into the 
Interior of Western Australia. Journ, Linnean Society, Bot. vol. xxxiv. (1898). 
FERD. von MUELLER. Fragmenta Phytogr. Australie. 12 vols.; Melbourne, 1858- 
1882. 
—— Plants of North-Western Australia, 1881. 
—— The Plants Indigenous around Sharks Bay and its vicinity. Perth, 1883. 
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