Ocimum. | Cll, LABIATH (BAKER). 343 
21. O. usaramense, (iirke in Engl. Jahrb. xxvi.79. Stem simple, 
erect, pubescent. Leaves subsessile or shortly petioled, oblong-lanceolate, 
23-3 in. long, under an inch broad, acute or obtuse, narrowed to the 
base, obscurely toothed, pubescent on both surfaces. Bracts lanceolate, 
4—} in. long; pedicels j,-} in. long. Calyx pubescent, finally } in. 
long ; upper tooth orbicular, obtuse ; lateral teeth obsolete ; lower very 
long, setaceous. Filaments of upper stamens with a tooth at the base. 
Mozamb. Dist. German East Africa: Usaramo, Stuhlmann, 9292. 
22. O. Descampsii, Briquet in Bull. Soc. Bot. Belg. xxxvii. 83. 
An undershrub, with pubescent dull green divaricate branches. Leaves 
subsessile, oblong, } in. long, subacute, narrowed to the base, entire, 
dull green above with scattered short hairs, subglabrous and gland- 
dotted beneath. Whorls few, 6-flowered, forming a dense terminal 
head ; bracts oblong-lanceolate, pilose, as long as the calyx. Flower- 
calyx 4-4 in. long ; tube campanulate, densely clothed with short white 
hairs ; upper tooth ovate, obtuse; lower teeth small, setaceous. Corolla- 
tube produced ;}, in. from the throat of the calyx; upper lip obovate, 
3 in. long. Stamens much exserted. 
South Central. Congo Free State: M’Towa, on Lake Tanganyika, Descamps. 
23. O. filamentosum, Forsk.; Benth. in DC. Prod. xii. 36. A 
much-branched erect low shrub, with densely pubescent branches. 
Leaves nearly sessile, oblong-lanceolate, acute, finely serrated, pubescent, 
13-2 in. long. Racemes few, at first dense, finally lax in the lower 
half, 4-6 in. long; rhachis pubescent; pedicels not very short; bracts 
deciduous. Calyx finally } in. long; tube campanulate; upper lobe 
orbicular, as long as the tube; two lower teeth with large cusps, as long 
as the upper. Corolla white, } in. long; tube as long as the calyx ; 
lips shorter than the tube. Stamens twice as long as the corolla; two 
upper filaments with a villous tooth near the base—A. Rich. Tent. FI. 
Abyss. ii. 177; Vatke in Linnea, xxxvii. 314; Engl. Hochgebirgsf. 
Trop. Afr, 357. 0. grandiflorum, L’Herit. Stirp. 89, t. 43. Bechiwm 
bicolor, Lindl. in Bot. Reg. 1843, t. 15. 
Nile Land. Eritrea: environs of Acrur, 6000 ft., Schweinfurth § Riva, 77U! 
Bogos ; Atirba, Steudner, 1424! Abyssinia: Tigre ; at the foot of Mount Sholoda, 
Schimper, 151! near Adowa, Schimper, 1849! and without precise locality, Bruce, 
Petit ! Parkyns ! Schimper, 20a! 208! 
Also in Arabia. 
24. O. gracile, Benth. in DC. Prod. xii. 39. An erect annual, 
with much-branched pubescent stems 4-1 ft. long. Leaves small, 
shortly petioled, oblong, obtuse, crenate, shortly pubescent on both 
sides. Racemes many, simple; rhachis very slender ; whorls usually 
2~3-flowered; pedicels not very short; bracts minute. Calyx 4'5 in. 
long ; upper lip ovate, as long as the campanulate tube ; lower with two 
large cusps. Corolla very small. Stamens not exserted ; filaments of 
the two upper appendiculate with a tuft of hairs. 
