I 



XXXVIII. SAPINDACE.*. 469 



13. HETERODEWDROlNr, Desf. 



Flowers regular, usually hermaplirodite. Calyx broadly cup- shaped, very 

 sliortly and irregularly toothed. Petals none. *Disk small. Stamens G to 

 15, inserted within or upon the disk; anthers nearly sessile, longer than the 

 calyx. Ovary 2- to 4-lobed, 2- to 4-celled, with 1 ovule in each cell; style 

 I short, with an obtuse lobed stigma, l>uit of 1 or 2, rarely 3 or 4 coriaceous 



or hard lobes, indehiscent. Seed half immersed in an arillus ; testa cnis- 

 taceous ; cotyledons thick, flexuose. — Shrubs. Leaves simple, entire or 

 lobed, Flowers small, in short terminal, slightly-branched panicles, often re- 

 duced to simple racemes. 



The genus is limited to Australia. 



Leaves entire, coriaceous, linear, oblong or rarely obovate, usually 



above 2 in. long \. H. oJecefoIium, 



Leaves entire, mncronate, toothed or pinnatifid, scarcely coriaceous, 



rarely 2 in. loug %. H, divers tfolium. 



1. H. olesefoliiim, Desf. in Mem, Mas. Par. iv. 8, /. 3. A tall shrub, 

 tlie young shoots hoary or glaucous with a minute silky pubescence. Leaves 

 imear, lanceolate or narrow-oblong, rarely almost obovate, acute or obtuse, 

 2 to 4 iu. long, quite entire, narrowed into a very short petiole, coriaceous 

 and sometimes very rigid. Panicles usually few-flowered and much shorter 

 tlum the leaves. Calyx broadly cup-shaped, varying from 1^ to nearly 3 

 hnes diameter. Ovary usually 3- or 4-celled; densely tomentose. Truit of 

 tj 2, or very rarely 3 or 4 nearly globular lobes, 3 or 4 lines diameter. — DC. 

 J'rod. ii. 92 ; F. Muell. PL Vict. i. 90. 



W- Australia. Hatnmersley range, near Nichol Bay, F, Gregonjs Expedition. 



Queensland. Burilekiu river, F. Mueller ; JJowcu river and Couuar's Creek, Leicli" 

 hardt. 



N.S.Wales. N.W, interior, Siridi ; Mouut BrogJuii, J . Cuniiingham ; plains of 



the Gwydii-, Mitchell ; Macquarie river and desert of the Darliug and Murray, llerh. F. 

 Mueller. 



Victoria- Mallee scrub, on the rivers Murray, "^Mmmera, and Avoca, F. Mueller. 

 S, Australia. Lake Torrent, Flinders Range, and Cooper's Creek, F, Madler. 

 ^.Australia.' Dirk Ilartog's Island, A. Canningham, Mihie ; Murcbison river. 



The Qncenslaud specimens have smaller and more glabrous flowers than the more soulbera 

 ^t»es, Avitb the ovary usually 2-carpellary. The north-western and some of the western ones 

 have ranch broader leaves and more abundant flowers thau the eastern. 



2. H. diversifolium, -F. Mndl. Fragm. i. 46. A shrub, the yoim^ 

 hraiiches tomentose, pubescent, or perfectly glabrous. Leaves from linear- 

 cuneate to oblong-cuneate or almost obovate, rarely 2 in. loii^ and often 

 ^n^lcr 1 in., usually mncronate with an almost pungent point, either entire or 

 ^^ith a few sharp teeth or lobes towards the end, or pinnatiful with the triangular 

 pungent lobes rigid and sometimes coriaceous, but less so than //. oleafoUuuK 

 ^'lowers few, in short panicles, pubescent or glabrous. Ovary 2-eclled. 

 *ruit-lobes very divaricate, ovoid, glabrous or tomentose. 



Queensland- Keppel Bay, K Brown; thiekets at the foot of the dividing range, J. 

 Cuunhfgkam ; 'Rovk]iWi\)io\^ /Thozet ; \\diY\\kk, BeeLier ; Comat r'wer, LeichhnrdL 



'ihere are two forms, oue perfectly glabrous, the other with tlie young shoots and flowers 

 pubescent, the fruit densely pubescent or tomentose. The spccimeas I have scea, altliough 

 rather numerous, are not good. 



