286 XL. SAPINDACEiE. 



Leaves coriaceous, simple, entire or pinnatifid. Calyx entire or 



minutely toothed .... 11. Hetebodendkok. 



Two ovules in each cell of the ovary. 



Trees with pinnate leaves. Petals 4 or 5. 



Calyx deeply divided into imbricate segments. Disk inconspicuous . 12. Habpullia. 

 Calyx campanulate, shortly lobed. Disk broad .' 13. Akania. 



Teibe II. AcevinBaSm — Flowers regular. Stamens inserted on the disk. Lohes of the 

 fruit indehiscent. Seeds exalbuminous. Leaves opposite, exstipulate. 

 A tree. Flowers in a hard, deeply-divided involucre 14. Blephabooakya. 



Tkibe III. Sodonsese. — Flowers regular. Stamens inserted outside the disk. Seeds 

 exalbuminous. Leaves alternate, exstipulate. 



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

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



Stamens in the male flowers 10 or fewer, usually 8 . . . . ... 15. Dodon^a. 



Stamens in the male flowers more than 10 16. Distichostemon. 



1. CARDIOSPERMUM, Linn. 



(Named from the heart-shaped scar of seed.) 



Flowers polygamous. Sepals 4, broadly imbricate, the 2 outer ones small. 

 Petals 4, 2 larger with a large scale, 2 smaller with a crested scale. Disk one- 

 sided, almost reduced to 2 prominent glands opposite the lower petals. Stamens 

 8, oblique. Ovary excentrical, 3-celled, with one ovule in each cell ; style very 

 short, with 8 stigmatic lobes. Capsule vesicular, membranous, more or less 

 3-cornered, 8-celled, opening loculicidally. Seeds globose, with a thick funicle or 

 small aril ; testa crustaceous ; cotyledons large, transversely folded. — Herbs or 

 undershrubs, mostly climbing. Leaves dissected. Flowers few, small, on long 

 axillary peduncles, which usually bear a tendril under the panicle. 



A small genus, chiefly American, of which 2 species are also spread over the Old World within 

 the tropics, and a third is perhaps confined to the Old World. The Australian species is one of 

 those most widely diffused in both worlds. — Benth. 



1. C> Halicacabum (old generic name of the plant), lAnn.; DC. Prod. i. 

 601 ; Benth. Fl. Amtr. i. 458. Heart Pea, or Balloon-vine. A straggling or 

 somewhat climbing annual or perhaps perennial, attaining several feet in length, 

 glabrous or slightly pubescent. Leaf-segments usually twice ternate, ovate or 

 ovate-lanceolate, coarsely toothed or lobed, the upper leaves smaller, narrower, 

 and less divided. Peduncles 2 to 8in. long, bearing a double or treble short 

 recurved tendril under the small panicle, which is often reduced to an umbel of 

 few small white flowers. Capsules flat on the top, usually pubescent. — A. Gray, 

 Gen. 111. t. 181 ; Wight, Ic. t. 508. 



Hab.: Common to many parts of the colony, both coastal and inland. 



The species is common in most tropical regions. The Australian specimens belong either to 

 the variety with fruits scarcely fin. diameter, often considered as a distinct species (C. 

 microcarpum, H.B. and K.), or are intermediate between that and the typical form, with fruits 

 above lin. diameter. — Benth. 



2. DIPLOGLOTTIS, Hook. f. 



(Double-throated.) 



Calyx deeply 5-lobed, valvate. Petals 4, the place of the fifth vacant, the 

 inner scale divided into two. Disk one-sided, crescent-shaped. Stamens 8, 

 ascending, unequal. Ovary 3-eelled ; style short, incurved ; stigma entire or 

 obscurely B-lobed. Ovules solitary in each cell. Capsule nearly globular, thick, 

 somewhat fleshy, loculicidally 3-valved. Seeds enclosed in a pulpy arillus. — A 

 tree, with large pinnate leaves, more or less villous-tomentose. Flowers not very 

 small, in large axillary panicles. 



The genus is limited to a single species endemic in Australia, 



