53 
Tribe 3. Buxeje. — F lowers monoecious. Sep 'Is imbricate or 
none. Petals none. Stamens opposite the sepals, or unmeroiis. 
Female flowers 4 or 6. Ovary 2 or 3-celled, with two ovules in each. 
Kaphe of ovule dorsal. Style undivided. Cotyledons various. 
Example : See the Garden Box, Buxus se}npervirens. 
Tribe 4. Phtllaktjucje. — F lowers distinct, both sexes with a 
pei'ianth. Embryo with broad cotyledons and a narrow radicle. 
Trees; shrubs, herbs, or animals, the flowers small in axillary clusters, 
solitary, or in calbin-liice spikes or racemes. Ovules 2 in each cell. 
Examples ; Take any of the numerous Ph/Uanthus, or Fetalostlgma 
quadrilociilaTe^ih^ Emu Apple or Bitter-bark; native name, “ M un- 
tenpin." 
Tribe 5. GAiiEARiE.n.— Perianth double, of caly^x and corolla. 
Stamens 4 to 10 ; filaments free. Ovary 1 to 3-celled, with I ovule 
in each. Fruit a small drupe. Probably no examples obuiinable in 
Queensland. 
Tribe 6. Crotoxe;e. — F lowers distinct, both 8exe.s with a perianth, 
sometimes minute in the males. Embryo with broad cotykHlons, and 
a narrow radicle. Ovules 1 in each cell. Flowers, at least males, in 
spikes, racemes, or panicles. Stamens usually indefinite. Examples: 
Jatropha^ Croton, Codiceum (the Crotons uf our gardens), ALanlhof, 
and llicimis communis, the Castor Oil plant. 
Tiube VI. CEOTONE.E. 
lUClNUS, Linn. 
(From ricinus a tick ; resemblance in the seeds.) 
Flowers monmeious, apetalous ; calyx 5-partite, finally valvate. 
Stamens in male flower numerous, inserted on rather convex receptacle; 
filaments numerous, ramified, many times divided above; anther.ssmall, 
2-dymo-globose ; cells laterally or extrorsely rimoso, longitudinally 
adnate to thin connective. Ovayy (none in the male flowers) 3-locular, 
subsessile, style- branches 3, afterwards beyond middle 2 partite, within 
and on all sides much papillose, stigmatiferous (rod). Ovules in cells 
solitaiT descendent; micropyle extrorse superior; obturator tliick 
subhemispherical. Capsule 3-locular ; exocarp finally solute, externally 
smooth or echinate ; cocci solute from axis. Seeds smooth (more or 
less spotted), aril of exosfcome depressed, conical, obscurely 2-iobed ; 
cotyledons of large embryo-foliaceous, subelliptical, equal in breatlrdi to 
albumen. Arborescent or tall herbaceous plants; leaves alternate 
stipulate; petiole long at ventral line, bearing glanduliforra tubercles; 
limb wide, usually peltate ; p)almatinerved, 7 to io-lobed, uuequally 
dentate ; flowers in terminal, coutracto-ramifiGd, cymiferous racemes ; 
female superior; inferior male, 1-bracteate and 2-bracteoiate ; pedicel 
articulate. 
E. COiniUUlXiS, Linn. The common Castor Oil plant. The only 
species with numerous varieties. An evergreen shrub or small tree, 
shoots and panicles glaucous. Leave.s green or reddish 1 to 2 feet 
diam., membranous, lobes from oblong to linear acute or acuminate, 
gland-serrated, petiole 4 to 12 inches. Eacemes stout, erect. Male 
flowers I inch in diameter ; female calyx nearly as long; styles often 
highly coloured. Capsule | inch to 1 inch long, globosely oblong, 
smooth or echinate. Seed obloirg, smooth, mottled. 
