368 CII. LABIATE (BAKER). [ Orthosiphon. 
7. O. seabridus, Briquet in Engl. Jahrb. xix. 175, A tall herb, 
with green branches, clothed with spreading and crisped hairs. Leaves 
subsessile, broadly ovate, 14-2 in. long, obtuse, rounded or subcordate 
at the base, regularly crenate, scabrous on both surfaces. Racemes lax, 
4—5 in. long; pedicels pilose, } in. long ; bracts small, lanceolate, per- 
sistent. Calyx in flower 1 in. long; upper tooth ovate, decurrent, the 
? 
others lanceolate-subulate. Corolla protruding + in. from the throat of 
5 
the calyx ; lips small, subequal. Stamens included. 
Lower Guinea. Angola: Malange, Meciow, 442. 
8. O. salagensis, Baker. Stems square, erect, slender, branched, 
glabrous. Leaves shortly petioled, oblong-lanceolate, acute, conspicu- 
ously serrate, obscurely pubescent, cuneate and entire at the base, 
1-14 in. long, whorls few-flowered, forming long lax terminal racemes; 
bracts minute; pedicels ;',-1 in. long. Fruit-calyx } in. long; tube 
oblong, curved ; upper tooth small, orbicular ; lateral teeth small cusps ; 
lower larger cusps. Corolla-tube cylindrical, a little longer than the 
calyx ; lobes small. Stamens not exserted. 
Upper Guinea. Dagomba: Salaga, on the Upper Volta, Arause ! 
9. O. shirensis, Baker. A much-branched erect perennial herb. 
Stems thinly hairy. Leaves shortly petioled, oblong, the lower 2-3 in. 
long, cuneate at the base, distinctly crenate, thinly hairy on both sur- 
faces. Racemes 3-4 in. long, forming a lax terminal panicle ; pedicels 
short, very hairy; bracts small, ovate, persistent, reddish. Calyx 
broadly funnel-shaped, } in. long; upper tooth broadly ovate ; lateral 
teeth deltoid-cuspidate ; lower longer, lanceolate, ;'; in. long. Corolla- 
tube rather longer than the calyx; lips small. Stamens not exserted. 
Mozamb. Dist. British Central Africa: Nyasaland; without precise locality, 
Buchanan, 187! 
10. O.tubulascens, Briguct in Engl. Jahrb. xix. 174. Perennial. 
Stems erect, much branched, densely pubescent. Leaves small, shortly 
petioled, oblong, with a cuneate base, crenate, densely hairy on both 
sides. Whorls few-flowered, forming a long lax terminal raceme ; 
bracts minute; pedicels very short, densely hairy. Calyx finally 4 in. 
long; tube campanulate; upper tooth orbicular, as long as the tube; 
lateral and lower teeth large cusps. Corolla-tube cylindrical, half as 
long again at the calyx; lobes small. Stamens not exserted. 
Lower Guinea. Angola: province of Huilla, Welwitsch, 5492! 
11. O. cladotrichos, Giirke in Engl. PA. Ost-A ifr. C. 349. A 
branched herb, with velvety-pubescent stems. Leaves shortly petioled, 
ovate-lanceolate, 1-2 in. long, acuminate, narrowed to the base, deeply 
serrate, pubescent above, velvety beneath. Whorls 6-flowered, forming 
lax racemes. Calyx naked inside at the throat; upper tooth broadly 
ovate, with slightly decurrent margins ; lateral teeth deltoid-cuspidate ; 
lower setaceous. Stamens included. 
Mozamb. Dist. German East Africa: Usambara; Nyika, Holst, 3922. 
