XXIX. RUTACEX. 43 
leaves, and terminal, capitate or glomerate flowers.—5 species from the 
Western and Midland districts. 
3. MACROSTYLIS, B. and W. 
Calyx 5-parted. Petals clawed, spathulate, bearded in the 
middle. Stamens 5, fertile, exserted; staminodia 0; anthers 
roundish, with a minute, apical gland. Disk closing over 
the ovary, perforated by the style. Ovary deeply 3-5-lobed ; 
style lengthening after flowering, slender at base ; stigma ob- 
tuse. Cocci 3-5, horned.— F7. Cap. 1. p. 441. 
Small bushes, with alternate or opposite, short, nerve-keeled leaves, 
pellucid-dotted along the margin and nerve. Flowers small, white or rosy, 
subumbellate at the end of the twigs.—8 species, natives of the Western 
district. 
4. DIOSMA, Linn. 
Calyx 5-parted. Petals sessile, obovate, longer than the 
calyx, nude (not bearded). Stamens 5, fertile, shorter than 
the petals; staminodia 0; anthers roundish, with a sessile, 
apical gland. Disk fleshy, 5-lobed, cup-like. Ovary sunk in 
the disk, small, deeply 5-lobed; style short; stigma capitate. 
Cocei 5, longer than the calyx, rough, horned at the summit.— 
Fi. Cap. i. p. 373. 
Small shrubs, with alternate or opposite, linear-acute, channelled, serru- 
late or ciliate, gland-dotted leaves; and white or reddish, terminal, sub- 
solitary or corymbose flowers.—11 species, all (except D. vulgaris, which is 
everywhere) found in the Western district. 
. COLEONEMA, B.and W. 
Calyx 5- ey Petals obovate, twice as long as the calyx, 
tapering at base into a channelled claw. Stamens 5 , fertile, 
equalling the sepals ; anthers roundish, tipped with a sessile 
gland; staminodia 5 filiform, nude, enclosed within the 
channels of the petals. Disk cup-like, crenate. Ovary deeply 
5-lobed ; style short; stigma capitate. Cocci 5, compressed, 
rough, shortly horned at the summit.—/U. Cap. i. p. 377. 
Shrubs with scattered, linear leaves. Flowers axillary, solitary, white or 
purple.—4 species, 3 of which are chiefly Western. 
6. ACMADENTA, B. and W. 
Calyx 5-parted. Petals clawed, the claw bearded within 
(except in A. psilopetala). Stamens 5, fertile, equalling the 
claws of the petals; anthers ovate or oblong, tipped with an 
erect, sessile, biotite eland ; ataminodia filiform, short or ob- 
solete. Disk cup-like, entire or 5-crenate. Ovary 4-5-lobed, 
sunk in the disk; style short; stigma capitate. Cocci 4-5 
compressed, horned at the apex.— Fl. Cap. i. p. 379. 
