THE FLORA OF THE NORTHERN TERRITORY. 173 



2. S. muricata, Lindl. — Sturt's Creek, F. v. Mueller. 



3. S. viminea, Sm. — 35 miles N.W. of Camp IV., Lander*Creek, G. F. 

 HiU (No. 375), 24/6/1911. 



Recorded. Islands of the Bay of Carpentaria, R. Brown ; Goulburn 

 Island, A. Cunningham. 



Macgregoria racemigera, F. v. M. ; recorded from North Australia in 

 Nat. Herb. Census. 



SAPINDACE.a:. 



Flowers irregular, either 1 petal fewer than the sepals, or the stamens or 

 disk unilateral, and ovary excentrical. 



One ovule in each cell of the ovary. 



Herbaceous or halt-herbaceous climber with bi-ternate leaflets. 



Capsule inflated, membranous. — 1. Cardiospermum. 

 Trees with pimiate leaves. Petals 1 fewer than sepals. — 



4. Erioglossum. 



Shrubs or trees, with 1 or 3 digitate leaflets. Sepals 4, broadly 



imbricate. Petals 4 or none. Fruit of 1 or 2 indehiscent 



lobes. — 2. Allophylus. 



Two ovules in each cell of the ovary. Low shrubs or undershrubs, 



with entire, lobed, or pinnately dissected leaves. — 7. Diplopeltis. 



Flowers regular. Disk annular or none. Stamens aU round the ovary. 

 One ovule in each ceU of the ovary. Trees or tall shrubs. Leaves 

 pinnate (except Heterodendron and sometimes Atalaya). 



Capsule loculicidaUy 3-valved. — 6. Cupania. 

 Fruit separating into winged samaras. — 3. Atalaya. 

 Fruit divided into indehiscent or 2-valved lobes or irregularly 

 locuhcidal, the valves not seraratiag from the axis. — 



5. Heterodendron. 



Two ovules in each cell of the ovary. 



Trees with pumate leaves. Petals 4 or 5. — 10. HarpuUia. 



Shrubs or rarely small trees. Leaves simple or pinnate with smaU 

 leaflets. Calyx cup-shaped. Petals none. Disk incon- 

 spicuous. 



Stamens in the male flower 10 or fewer, usually 8. — 8. Dodonaea. 



Stamens in the male flowers more than 10. — 9. Distichostemon. 



1. CARDIOSPERMUM, Linn. 



1. C. Halicacahum, Linn. — ^Victoria River, Sea Range, etc., F. v. Mueller; 

 Albert River, Henne. Heart Pea, Balloon Vine. 



2. ALLOPHYLUS, Linn. 



1. A. ternatus, Lour. (S. serrata, D.C.). — N. Coast, R. Brown; Port 

 Essington, Armstrong. 



3. ATALAYA, Beumb. 1847. 



{Psevdatalaya, Sapindus partly.) 



Flowers and fruit, as well as the whole plant, quite glabrous. — 2. A. 

 saJicifolia. 



