er T E a 
70 XCII. VERBENACER. [ Avicennia. 
full grown, black and shining when dry aves coriaceous, usually 
lanceolate or ovate-lanceolate, 2 to 31 te and contracted 
into a petiole, but varying to elliptical or obovate, and very obtuse. - 
Cymes contracted into small heads on rigid lar peduncles, which 
leafy thyrsus. Bracts shorter than the sepals. Sepals orbicular or 
broadly ovate, concave, hirsute and ciliate, about 1} line long. lla- 
N. Australia, Queensland, N. S. Wales, Victoria, S. Australia, and W. 
Australia, extending along the sea-coast all round the Australian continent, 2. Brown 
and many others, but no specimens seen from Tasmania. It is a common sea-coast 
shrub in tropical Asia, Africa, and America. 
Orver XCIII. LABIATE. 
Flowers irregular or rarely nearly regular. Calyx persistent, 5- 
toothed or 2-lipped. Corolla with a distinct tube and 4 or 5 lobes 
more or less 2- ippeg or nearly equal, imbricate in the bud, the upper 
or | aally and perhaps always outside. Stamens 2 or 4, in 
pains, inserted in the tube of the corolla and alternating with its lower 
obes. Anthers either 2-celled, or 1-celled by the confluence of the 2? - 
t 
consisting of 4 small seed-like nuts. Seeds solitary in each nut, without | 
albumen. Embryo straight or slightly incurved except in Scutellaria); 
vided. Flowers in opposite cymes or rarely solitary, forming fre- 
quently (by the extreme shortness or abortion of the comnion peduncle | 
and branches of each cyme, the pedicels alone being developed) | 
clusters called false-whorls or verticillasters, consisting of : ore 
pedicels on each side of the stem; these false 
8 
racts. 
reduced to bristles, rarely more eee and leaflike. Foliage I 
n parts often studded with glandular dots filled with resinous ob - 
rendering the plants highly aromatic. Nuts when soaked in water - 
frequently emitting a thick mucilaginous coating. I 
A large Order generally distributed over ever ny | 
À : : y part of the globe. Of the twenty | 
Australian genera (excluding Hyptis) four are iniiis num of the northem f 
