8 - XLVIII. MYRTACER. [ Darwinia. 
- Flowers in the axils of the upper leaves, few or forming compound heads or corymbs, or 
- rarely simple heads. 
Flowers i = aper terminal Se heads. Inner bracts broad, thin, 
and p but short. Leaves linear, slender, crowded 
eg oad . . 18. D. pinifolia. 
Flowers i in compound heads (contracted corymbs). Leaves ‘mostly 
o 
eme? heads hemispherical. Bracts ovate, coloured, but 
shorter than the flowers. po es iced or bucht vo i 
in. long, with cili sit SE es. Stgminodia lauceolat - 19. D. sanguinea. 
Compound heads small, die. “wit tread bracts. 
Leaves tri siielbond, gredi lin taminodia minute . 20. D. micropetala. 
Flowers few in the upper axils. Kei và m ous. Leaves cmt 
Leaves linear-triquetrous. Flowers nearly sessile. Petals as loug : 
as the calyx-lobes. Ovules ee + « s Bl. DD. Schuermanni. 
Leaves obovate. Flowers pedicellate, Petals ‘half as long as . 
the calyx-lobes. Ovules > . 23. D. Thomasii. 
Flowers in broad leafy co mbs. Calyx hemispherical softly 
villous, Leaves opposite, Tonnen , 22. D. verticordina. 
SECTION Il. GENETYLLIs. —Calyx-lobes 2 exceeding half the length of 
the e and often very minute. Flowers Se terminal heads, rarely 
becoming lateral by the elongation of the mëng axis 
n the whole of eng — the inflorescence. i is quite simple, Se reduced spike or raceme, 
Ex. pope ste ing se or very shortly € in the axil of a floral leaf or bract, ken 
a pair of concave rates close under the eal yx. In the x group, eomprising the firs 
7 species, the terminal shoot is wholly arrested, the flowers forming a strictly terminal head 
on -shape i i 
ing, and d 
comprising the species 12 to 17, the heads are smaller and loose nal shoot - 
sionally grows out from the centre, the receptacle is ae Yn endi "hien Ke floral leaves 
differ but little from those of the stem, and the fl mes pedicellate, thus 
owing {he rece with the axillary iens. of tl ace sars ‘of the following sec- 
tion, where it is simple. 
1. D. macrostegia, Benth. in Journ. Linn. Soc. ix. 119.— Erec 
taining 2 or o ft. Leaves scattered, elliptieal-oblong or slightly cia 
very 0 Pad $ lo £ Hi "et wit recurved entire margins. Involucres 
clavate. Style nearly as long as the involucre, bearded towards the end 
Ovules 2.— Genetyllis macrostegia, Turcz. in Bull. Mose. 1849, ii. 18 ; Kipp. 
in Journ. Linn. Soc. i. 51; Hedaroma tulipifera, Lindl: n n Gardn, ‘Chron. 
1854, 323 ; Genetyllis tulipifera, Hook. Bot. Mag. t. 485 
