344 CII, LABIATH (BAKER). [Octmum. 
Mozamb. Dist. Zanzibar, Bojer! Kirk! Hildebrandt, 998! German Kast 
Africa : Usambara ; Amboni, Holst, 2714! 
25. O. Camporum, Giirke in Engl. PA. Ost-Afr. C. 350, An 
undershrub with villous branches. Leaves subsessile, oblong-lanceolate, 
subobtuse, narrowed to the base, ?-1 in. long, densely pubescent on 
both surfaces. Racemes very lax; central cymes shortly peduncled ; 
pedicels very short; bracts small, suborbicular, pubescent, persistent. 
Flower-calyx } in. long; tube campanulate, pubescent ; upper tooth 
orbicular, not cuspidate; lateral teeth oblong, subacute; lower very 
acuminate. Corolla 2-3 times the length of the calyx. Stamens included ; 
filaments with a tuft of hairs at the base. 
Mozamb. Dist, German East Africa: Kilimanjaro ; by the River Himo, 
3000 ft., Volkens, 1739! 
26. O. citriodorum, Vis.; Benth. in DC. Prod. xii. 39. Suftruti- 
cose. Stems pubescent. Leaves petioled, ovate-lanceolate, crenate- 
glabrous. Racemes lax, simple; whorls many-flowered ; bracts acute, 
entire, shortly petioled, ciliate. Calyx villous outside and at the throat ; 
upper Jip orbicular ; lateral teeth broadly ovate, apiculate ; lower lanceo- 
late subulate. Corolla violet-blue, longer than the calyx. Filaments of 
the upper stamens villous above the base. 
Wile Land. Nubia ; cultivated in the botanic garden at Padua in 1840. 
27. O. Hanningtonii, Baker. Perennial; stem short, densely 
hairy. Leaves shortly petioled, ovate, crenate, rugose, coriaceous, 
under 1 in. long, densely hairy, especially below. Racemes very long 
and lax; whorls many-flowered; pedicels very short; bracts small, 
deciduous. Calyx finally 4 in. long; upper lip orbicular, as long as 
the tube; lower cusps large. Corolla scarcely longer than the calyx. 
Stamens not exserted ; upper filaments with a tuft of hairs at their 
insertion in the corolla-tube. 
Mozamb. Dist. (ierman East Africa: without precise locality, Mannington ! 
_28. O. Rothii, Baker. Shrubby, erect, much branched; stems 
hairy. Leaves small, petioled, ovate, crenate, very hairy beneath, less 
so above. Racemes long, lax; rhachis very hairy; flowers few in @ 
whorl ; pedicels very hairy, finally } in. long; bracts small, deciduous. 
Calyx finally } in. long ; upper lip ovate, decurrent, shorter than the 
tube; lower cusps moderately large. Corolla scarcely longer than the 
calyx. Stamens not exserted; upper filaments with a tuft of hairs 
above the base. 
Wile Land. Abyssinia: Shoa ; Ankober, Roth, 500! 
29. O. thymoides, Baker. Perennial, closely resembling 0. men 
thufolium in habit. Stems very slender, slightly hairy. Leaves dis- 
tinctly petioled, small, ovate, membranous, obscurely toothed, slightly 
pubescent. Racemes long, very lax; whorls many-flowered ; pedicels 
very short ; bracts ovate or lanceolate, foliaceous, about as long a8 the 
‘. 
