642 
CVII. VERBENACE^E. 
[. Avicennia. 
( 5 ) A. sphserocarpa Stapf, MS. 
Small tree. Leaves elliptic narrowed to top or round, base 
narrowed whitish beneath, 3 in. long, i'5 in. wide; petioles winged 
above, -25 in. long. Inflorescence axillary of 2 to 3 or more flowers 
terminal on peduncles -30 to 75 in. long, puberulous. Calyx- 
lobes oblong ciliate, silky, *15 in- long. Corolla not seen, bruit 
globose, not beaked, 75 in. long. Hab. Penang, Sungei Pmang 
(Curtis). Distrib. Siam, Philippines, China. 
Order CVIII. LABIATE. 
Herbs (rarely shrubs) usually aromatic with oil-glands. Stem 
usually 4-angled. Leaves opposite or whorled. Flowers irregular, 
solitary or in cymes axillary, often condensed into whorls. Calyx 
persistent, regular or 2-lipped, 4- to 5-lobed. Corolla gamopetalous; 
limb 2-lipped unequally, or 4- to 5-lobed, lobes imbricate. Stamens 
attached to tube usually 4, didynamous (rarely by suppression 2). 
Disc prominent. Ovary of 2 carpels, each 2-celled, cells free; 
style inserted between the lobes of the ovary; stigma bifid. Fruit 
of 4 dry (or Gomphostemma), fleshy nutlets, 1-seeded. Species 
2800, whole world, but scarce in the tropics. (Prain, Journ. As. 
Soc. Beng. Ixxiv (2), p. 699.) 
Stamens 4, decimate. 
Lower lip of corolla flat. 
Fruiting calyx deflexed, upper tooth very 
large; raceme lax . . • 
Fruiting calyx sub-erect, upper lip fiat; spike 
capitate . - • • • 
Fruiting calyx decimate, upper lip 3-toothed; 
raceme lax; flowers minute . 
Fruiting calyx deflexed; corolla-tube long; 
stamens 1 in. long . . 
Lower lip of corolla concave or boat-shaped. 
Calyx teeth sub-equal, lowest corolla-lobe not 
much longer than the others; filaments 
free 
Calyx 2-lipped, lower corolla-lobe much the 
longest. 
Stamens free ...••• 
Stamens connate in a tube 
Stamens not declinate erect or spreading free. 
Calyx-limb uniform. Anthers 1-celled; fila¬ 
ments bearded. 
Whorls in lax spikes ..... 
Whorls in dense continuous spikes 
Stamens ascending under upper lobe of corolla. 
Calyx-limb 2-lipped. 
Calyx-throat open after flowering; flowers in 
axillary whorls 
Calyx-throat closed by a dorsal plate after 
flowering; raceme lax .... 
1. OCIMUM 
2. Acrocephalus 
3. Moschosma 
4. Orthosiphon 
5. Hyptis 
6. Plectranthus 
7. Coleus 
8. POGOSTEMON 
9. Dysophylla 
xo. Calamintha 
11. Scutellaria 
