0-1 
TL. Enchaetis— Disc adnate with the calyx. Petals oblong, attenuated at base 
i ments none. 
'~' IV. Coleonema.— Petals longitudinally channelled. Filaments 10; § fertile ; 5 
370 RUTACEZ (Sond.) 
Sub-Order, DIOSMEZ. 
Flowers perfect and regular (very rarely unisexual and irregular). 
Calyx 4—5-cleft or parted, its segments imbricate in ezstivation. Petals . 
4-5, (rarely wanting), separate, or united by the edges below, twisted- 
convolute or rarely valvate in estivation, inserted under a hypogynous 
disc. Dise saucer-shaped or urceolate, free, or attached to the calyx, 
sometimes obsolete. Stamens hypogynous, as many or twice as many 
as the petals; in the latter case those opposite the petals are sterile, ot 
at least. feebler than the rest; anthers introrse, 2-celled, often tipped 
with a gland, Ovary of 3-5 carpels, sessile or stipitate, syncarpous oF 
apocarpous ; ovules 2, rarely 4 in each carpel, collateral or obliquely oe 
superposed ; styles united, at least above ; stigma simple or capitate. 
Fruit of 1-5 capsules or cocci, distinct or united at base, often horned 
below the apex, mostly one-seeded ; the dry walls of the pericarp se 
parating at maturity into an outer and innershell. Seeds with 
coats, usually exalbuminous ; radicle superior. 
Shrubs or small trees, rarely herbaceous. Leaves 0 ite or alternate, CO- 
riaceous, simple or persed almost always ligald giant aotied beneath, entire 
or serrulate, balsam-scented. Stipulesnone. Inflorescence various. A large tribe 
very abundant in S, Africa, but having its centre in Australia, where the generic 
types are much more diversified. A few outlying genera occur in 8. America, and 
one (Dictamnus) in 8. Europe. All are remarkable for a strong, often offensive 
odour and for their bitterness, These properties reside in an essential oil, contained 
in the transparent, glandular dots, which, in greater or less abundance, are 8P) 
over the leaves, calyx, petals and seed-vessels. Several of the Cape species pass 
currently under the name “ Buku” ; but Barosma crenulata is considered to possess 
the medical visbuss of the tibe in a stronger degree than others. See Pappts 
. Med. p. 7, 8. | 
TABLE OF THE SOUTH AFRICAN GENERA. 
I. Pruitt syncarpous. F 
I, Calodendron.—Calys deciduous, Flowers perfect, with 5 petals and sepals. 
IL. Fruit apocarpous. 
A. Flowers complete, (rarely polygamous ), 5-parted. 
§ Style short. Stigma capitate. 
: and transversely bearded. Sterile filaments none. ol 
III. Diosma.—Disc free above, g-lobed. Petals naked, sessile. Sterile fila 
tp: sterile naked, infolded in the channel of the petals. 
. Acmadenia.— Petals clawed, the claws bearded within (rarely naked) ‘Pie 
2 ments § or 10 ; § sterile on the margin of disc, filiform, 
ee or short. Anthers with a sessile, erect gland. 
Adenandra.— Petals naked, with very short claws. Filaments 10, shorter 
than the calyx ; the’s sterile filiform, tipped with a gland. 
_ _ Anthers with a stalked, finally reflexed 
$$ Style as long as the petals. Stigma simple (not eapitate ). 4 
Jalyx segments equal, Petals sub-sessile. Inflorescence axill a 
