GENERA AND SPECIES. 
Jussieua. 
89 
Herbaceous, creeping in mud or floating in water, bearing 
cellular floats at the submer ged nodes; 
cylindrical 
ORDER MYRTACEAE. 
1. Ovary 1-celled; fruit not bursting, 1- rarely 
2-seeded. "Heathy shrubs with small 
leaves. 
Stamens 10, alternating with 10 staminodia. 
Calyx- lobes 5 5, petal-like, entire 
Calyx-lobes 5, erect, with 3 to 5 hair-like bitiatons 
Stamens indefinite, in several rows; no staminodia. 
Calyx-lobes with long slender extensions 
Calyx-lobes truncate or retuse, not pointed 
Stamens 5 or 10, without staminodia, regularly 
alternate with or opposite to the calyx-lobes 
11. Ovary 2- to 5- or more-celled ; fruit opening 
by valves. 
_ Stamens 20 or more, in a single row, shorter than 
petals. 
Leaves opposite; flowers axillary, small; stamens 
about 20; fruit usually 3-celled. Heath-like 
glabrous shrubs 
Leaves scattered; flowers solitary, but crowded 
at the end of the branchlets; stamens numer- 
ous, fruit 5- to 10-celled. Erect bushy shrubs 
Stamens indefinite, exceeding the petals. 
Stamens free in more than one row. 
Flowers in dense terminal heads; calyx-lobes 
persistent; stamens slightly protruding; 
seeds pendulous. Prostrate shrub re 
Flowers in spikes, crowned by the year’s 
shoot ; calyx-lobes persistent ; stamens 
much protruding ; seedserect. Tall shrubs 
with erect branches .. 
Stamens connate in 5 piri opposite the 
petals; ovules several in a cell ... Be WSs 
Stamens free in several rows; petals absent; 
calyx truncate crowned in the bud by a cap or 
lid (operculum), formed of the united calyx- 
lobes; flowers in umbels or in panicles 
leaves oval ; 
flowers yellow, axillary, solitary, on long stalks ; fruit 
diffusa 
Darwinia 
Verticordia 
Calyeothrix 
Lhotzkya 
Thryptomene 
Baeckea 
Leptospermum 
Kunzea 
Callistemon 
Melaleuea 
Eucalyptus 
