47 
Subtribe Miiarctotece. — Heads distinct. Involucral bracts free, 
and at least the interior one with broad scarious points. Examples : 
Cymhonoius: Grifptostemina. Tlie genera brought under notice are 
weedy plants, the first indigenous to our Darling Downs ; the latter 
is the African plant known as Cape-weed. 
Subtribe Gorteriecs. — Heads distinct. Inyolucral bracts joined 
at the base, tlie points acute, very acute or spinescent, or rarely 
foliaceous. Example : Gamnia^ a very handsome genus of border 
plauts. 
Tribe 11. Ctjvaiioidej^. — ^Elower-beads tubular. Involucral 
bracts many-seriate, imbricate, with scarious, spinous, or foliaceous 
tips. Eeceptacle often fleshy, densely bristly or paleaceous, rarely 
simply pitted. Corolla- limb slender, deeply 5-fid. Anthers tailed. 
Styles snbeutire, or the branches short-hairy, or thickened towards the 
base. Aclienes often bard. Pappus various, rarely none. Leaves 
alternate, often spinous. 
Subtribe Cardumew. — Heads many-flowered, separate. Achenes 
glabrous, basal areole horizontal. Pappus-hairs distinct or connate. 
Examples: Garduus^ Spear thistle; Cynara, Artichoke; Sllyhim^ 
Virgin Mary’s thistle. 
Subtribe Centanreece. — Heads separate, many-flowered. Aclienes 
glabrous, basal areole oblique or lateral. Example : Centaurea (see 
Bluebottle, and others). 
Tribe 12. Mutisiack.!:.— Flower-heads hetero or hoinogaraous, 
rayed or not. Involucral bracts many-seriate, unarmed. Bcceptacle 
rarely paleaceous. Corolla bilabiate, or the limb deeply S-fld. 
Anthers usually caudate. Style-branches (very short or elongated), 
with rounded or truncate inappondiciihite points. Achenca various. 
Pappus setose, jialcaceous, or rarely none. Leaves radical or alternate, 
rarely opposite, 
Subtribe BarnadeBiem. — -Heads {equaliflorus or radiatiformis. 
Anthers tailless. Style-branches very short, connivanfc or scarcely 
patent. Involucral bracts many-seriate, imbricate. Example: 
Barnadesia, a South American genus. The only example to be met 
with in Queensland is a large rambling spiny bush. One plant is in 
the Brisbane Botanic Gardens, but is cut down every year so never 
flowers; the other is between the Beenleigh school and teacher’s 
resideuce. 
Subtribe GocJwatiece. — Heads £equaliflorus, corolla tubulose, 
limb-segments narrow, equal or obscurely 2-lipped. Involucral bracts 
many-seriate, iuibricate. Example: SUfftm chrymnthau Plant in 
Brisbane Botanic Garden-s, a native of Brazil. 
Tribe 13. Cicuouiace^.,— E lower-heads homogamous, cequaliflorus 
or subradiatiformis. Involucre various. Becoptaele epaleaccous or 
palese deciduous. Corollas all ligiilate ; ligule truncate, 5-toothed at 
apex. Anthers tailless or shortly setiferoua at the base. Style- 
branches slender. Achenes various. Pappus setose, paleaceous, or 
none. Leaves radical or alternate. Herbs, with nsuall}'- a milky 
juice. 
Suhtribc Ilyoseride(S.~A.c.\iQn^^ truncate. Pappus of scales, with 
sometimes alternating hairs or none. Example : Gicliorimi. The 
Endive and Chicory are plants of this genus. , 
