62 E. CHEEL. 
NOTES on THE GENERA DARWINIA HOMORANTHUS 
AND RYLSTONEA IN N.S. WALES, QUEENSLAND, 
AND SOUTH AUSTRALIA. 
By EDWIN CHEEL. 
[Read before the Royal Society of N. S. Wales, June 7, 1922.] 
DARWINIA. — 
THE genus Dariwinia was founded by Rudge (Trans. Linn. 
Soc. x1, 299, (t. 22), 1815) the species fascicularis being the 
type of the genus. Schauer (Myrt. Xeroc., 1840) in his 
monograph of the tribe Chamelauciez of Myrtaceze main- 
tained two genera, enumerating all the western species 
under Genetyllis and the two eastern ones under Darwinia. 
He further states, 
“That in Genetyllis the staminodia are equally distant from the 
sepaline and from the petaline stamens (those opposite the sepals 
and petals respectively) whilst in Darwinia they are nearer to 
the petaline ones, thus showing they belong to a different series 
from those of Genetyllis.” 
Bentham (B. FI. iii, 6, 1866) set up two sections in the 
genus Darwinia, namely, Genetyllis with 18 species and 
Schauermannia with 7 species making a total of 25 species. 
In his key to the species, Bentham subdivided his section 
Genetyllis into three subsections, placing D. fascicularis 
and D. taxifolia, the two species with which we are chiefly 
concerned in this paper under subsection O, with the follow- 
ing definition of characters :—" Flowers in terminal heads 
or in the upper axils, the floral leaves or bracts not very 
different from the stem leaves.” 
