[Proc. Eot. Soc. Victoria, 23 (N.S.), Pt. I., 1910.] 



Art. XIX. — Contribatlons to the Flora of Australia, 



No. 15} 



By ALFRED J. EWART, D.Sc, Ph.D., F.L.S. 



(Govei-nment Botanist and Professor of Botany in the Melbourne 

 University) ; 



JEAN WHITE, D.Sc, 



AND 



BERTHA REES 



(Government Research Scholars). 



(With Plates XXII-XXIV.). 

 [Read 14th July, 1910.] 



Atriplex pterocarpa, Ewart and Rees, n. sp. 

 ( Chenopodiaceae) 



Near Silverton, New South Wales. E. N. Charslej-, 1886. 



Apparently a shrub, the stem and leaves bearing short. 

 Avoolly hairs, which give the plant a whitish appearance. 

 Leaves ovate to lanceolate, ovate leaves with fairlv long 

 petioles, and lanceolate leaves narrowed at the base with short 

 petioles — entire or with margins slightly indented. 



Flowers unisexual in globular axillary clusters 2-4 lines in 

 diameter. The upper clusters consist of male floAvers surrounded 

 by a few female, the lower clusters of female only. Female 

 flowers — perianth in 2 segments, with irregularly serrated 

 edges, and closely covered on the outside with short woolly 

 hairs, on the inner side of the segments is a peculiar outgrowth 

 of finely branched greenish veins. Styles 2 united at extreme 

 base — Male flowers — perianth in -4 segments, 4 stamens oppo- 

 site to the segments of the perianth. Fruiting perianth com- 

 pressed, entirely closed except at apex, ovate orbicular, about 

 I inch across, margin entire. Valves thin at the edges, but 



1 N'o. 14 in I'roo. Roy. Soc. Victoria, vol. xxiii., i)t. i., n.s. (1910), p. 54. 



