RUTACEÆ. 469 
27. Boronella H. By.'—Flowers of Boronia; receptacle rather 
convex. Sepals 4, decussate, imbricate ; interior smaller. Petals 4, 
imbricate or contorted; stamens 8, 2-seriate; filaments pilose at 
base, afterwards glandular-verrucose ; anthers ovate-acute, introrsely 
rimose, connective apiculate beyond cells. Disk suborbicular in- 
terior to stamens and 8-lobed between them. Carpels and styles 4, 
coherent among themselves, and capitellate-stigmatiferous at apex (of 
Boronia); germens 1-ovulate ; ovule inserted slightly above the base, 
suborthotropous, ascending ; micropyle superior.—A glabrous shrub ; 
branches sub-2-chotomous; leaves opposite, collected at summit of 
branches, simple, subsessile, articulate, entire, glandular-punctuate ; 
flowers’ scantily cymose, rather long pedicellate, at summit of 
branches or in axils of upper leaves subumbellate (W. Caledonia’). 
28. Zieria Sm.'— Flowers nearly of Boronia, 4- or more rarely 
5-merous; receptacle rather convex, sometimes slightly concave. 
Sepals and petals valvate, or sometimes subimbricate or imbricate. 
Stamens 4, alternipetalous, inserted below, outside disk ; filaments 
short, glabrous or pilose, inwardly glandular at base, usually thick, 
obtuse crowded; anthers introrse, apiculate.’ Germen, fruit, seeds, 
and other characters of Boronia.—Trees or shrubs, glabrous or 
pilose, smooth or verrucose-glandular; leaves opposite, petiolate,’ 
3-foliolate or sometimes 1-foliolate, glandular-punctuate ; flowers’ 
axillary and terminal, rarely solitary, usually cymose or racemose- 
cymose; branches and branchlets of inflorescence articulate, 2-brac- 
teolate (Zustern Australia’). 
29. Zieridium H. By.'—Flowers of ÆZeria ; receptacle shortly 
conical. Sepals 4, and petals same in number, valvate. Stamens 4, 
inserted below exterior of disk; filaments free; anthers short, in- 
trorse. Carpels 4, oppositipetalous, free; styles free, inserted at in- 
terior angle of germen slightly above the base, afterwards coalescing 

1 In Adansonia, x. 302. 5 Or more rarely muticous. 
2 When dry rather purple, ® Rarely sessile. 
5 Spec. 1. B. Pancheri H. Bn., loc. cit., 304, 7 White, usually very small. 
4In Trans, Linn. Soc. iv. 216.— DC. 8 Spec. ad 10. Rupes, in Trans. Linn. Soc., 
Prodr., i. 722.—A. Juss., in Mém. Mus., xii. x. t. 17, fig. 2.—Dexess., Je. Sel., iii. t. 48-50. 
443, t.22, fig.27.—Spacu, Suit. à Buffon,ii.341. —Bunru., Fl. Austral., i, 307.— Bot. Mag., t. 
—Expz., Gen., n. 6003.—B. H., Gen., 291,989, 1395.—Watp., Rep., iii. 502; Ann, ii. 247; 
n. 27.—Boronia (part.) F. MuELx., Fragm. vi. 515. 
Phyt. Austral., i, 101. % In Adansonia, x, 303. 
