80 FLORA OF SOUTH AUSTRALIA. 
Involucral bracts 8 or more, leaves flat; heads 
terminal, Somewhat shrubby ; softly hairy. 
Flowers large; filaments shorter than calyx 
Filaments as long as calyx ; bracts numerous 
Leaves mostly or all opposite; involucral bracts 4; flower- 
heads terminal. 
Involucral bracts dissimilar to the leaves, shorter 
than the sepals. Bracts lanceolate-ovate, silky 
hairy inside, the 2 inner ones much ciliated on the 
margin; leaves ovate- to narrow-lanceolate, some- 
what concave; calyx glabrous at the base. Rather 
small glabrous shrub ... - 
Involucral bracts unlike the leaves, nearly as long as 
the sepals. 
Bracts beset with silky hairs inside. 
Leaves flaccid, glabrous, oval-lanceolate, 
about 1 in., flat; flowers large, calyx 
hairy outside... : oe os oe 
Leaves firm, glabrous, about $ in., incurved 
at the margin, lateral veins prominent ; 
calyx silky hairy 
Bracts glabrous on both sides. 
Leaves linear-elliptical, spathulate; calyx 
hairy throughout . e 
Involucral bracts similar to the leaves. 
Leaves oval to elliptical, flat, glabrous; branches 
silky hairy et . 
11. Staminate and pistillate flowers on distinct 
plants. 
a. Leaves opposite, flat ; bracts 2 to 4. 
Leaves linear-lanceolate, glabrous ; bracts 2 to 4, usually 
shorter and broader than the leaves ; fruit somewhat 
succulent. Erect, much-branched ; calyx beset with 
short hairs ; flowers small, yellow 
Leaves under 4 inch, glabrous, firm, more or less con- 
cave; bracts 4, similar to the leaves. 
Calyx glabrous; a tall, diffuse, glabrous shrub 
Calyx beset with short and appressed hairs. 
Leaves oblong with recurved margins, glabrous. 
oO ’ 
Dwarf “ae < .* aft 
Leaves incurved at the margin, obtuse; calyx- 
tube of pistillate flower not longer than ovary. 
Erect : 
Leaves flat or concave acute ; calyx-tube of pis- 
tillate flower produced above the ovary 
octophylla 
petraea 
glauca 
ligustrina 
stricta 
spathulata 
humilis 
microcephala 
serpyllifolia 
elachantha 
flava 
petrophila 
