174 THE FLOEA OF THE NORTHERN TEEEITOBY. 



Flowers and fruit more or less pubescent or tomentose. 



Plaint glabrous, except the flowers. — 1. A. hemiglauca. 

 Branches, young leaves and panicles velvety-tomentose. 

 Leaflets and petiole-wings much reticulate. — 3. A. variitolia. 



1. A. hemiglaiica, F. v. M. — Hermansburg, Finke River, G. F. Hill (No. 

 93), 13/3/1911. Borroloola, G. F. Hill, 12/9/1911. 



Recorded. N.W. Coast, Bynoe ; Hammersley Range, Nichol Bay, F. 

 Gregory ; Albert River, Henne. White-wood, Cattlebush. Yields a quantity 

 of gum, often in lumps of 10 to 11 ozs. 



2. A. salicifolia, Blume. — Careening Bay, N.W. Coast, A. Cunningham ; 

 Melville Island (not Moreton Bay), Fraser, and A. Cunningham. 



3. A. variifolia, F. v. if .—Borroloola, G. F. Hill (No. 659), 7/11/1911. 

 Sea Range, Macadam Range, and near Fitzmaurice River, F. v. Mueller. 



4. ERIOGLOSSUM, Bltjmb. 

 1. E. edule, Blume. — Brunswick Bay, N.W. Coast, A. Cunningham. 



5. HETERODENDRON, Desf. 1818. 



1. H. oleaefolium, Desf. — Hermansburg, Finke River, G. F. Hill (No. 89), 

 13/3/1911 ; also (No. 92). Hammersley Range, near Nichol Bay, F. Gregory's 

 Expedition. Wood very hard ; useful in turnery. 



6. CUPANIA, Linn. 

 1. G. anacardioides, A. Rich. — Port Essington, Armstrong. 



7. DIPLOPELTIS, Endl. 1837. 



{Diplotaxis, Lindl.) 



Fruit separating into distinct indehiscent cocci. — 1. D. Huegelii. 

 Capsule membranous, loculicidally 3-valved. Leaves linear or cuneate, 

 entire or 3-lobed. — 2. D. Stuartii. 



1. D. Huegelii, Endl. {var. eriocarpa, Benth). — ^Nichol Bay, N.W. Coast, 

 F. Gregory. 



2. D. Stuartii, F. v. M. — ^Lat. 18 degrees, 27 min.. Long. 132 degrees, G. 

 F.HiU (No. 448), 6/7/1911. 



Between Mount Morphett and Bonny River, M'Douall Stuart. 



8. DODONAEA, LINN. 1737. 



{Empleurosma, Bartl., 1847 ; Ptelea, Triopterys, Palavia, Serjania, Thouinia.) 



Series I. Cycloptera. — Leaves entire, toothed, or rarely lobed. Wings 

 of the capsule extending from the base to the style or nearly so, each carpel, 

 including its wing, nearly orbicular or longer than broad. 



Leaves flat, elliptical, oblong-lanceolate or spathulate, or if linear not 

 fihform, entire or obscurely sinuate, usually above 2 in. long, rarely between 1 

 and 2. 



Young branches very angular. Seeds smooth and shining. Leaf- 

 veins indistinct. — 1. D. lanceolata. 

 Young branches terete or slightly angular. Seeds opaque. — 

 7. D. viscosa. 

 Leaves flat, more or less cuneate, entire or toothed at the end, rarely 

 exceeding 1| in., and usually under 1 in. — 3. D. peduncularis. 



