Orthosiphon. | CII. LABIATZ (BAKER). 369 
12. O. mollis, Baker in Kew Bulletin, 1895, 225. A perennial 
herb, with pubescent branchlets. Leaves shortly petioled, ovate, 
+} in. long, obtuse, crenate, broadly rounded at the base, densely 
pubescent on both surfaces. Racemes lax, simple ; whorls 5-6-flowered; 
pedicels short; bracts minute. Calyx pubescent, ;', in. long; tube 
campanulate ; upper tooth ovate, the others lanceolate. Corolla-tube 
cylindrical, } in. long ; lips small, oblong. Stamens not exserted. 
Nile Land. Somaliland: Golis Range, Mrs. Lort-Phillips ! 
13. O. mombasicus, Baker. Stems very slender, erect, branched, 
slightly pubescent upwards. Leaves shortly petioled, small, ovate, 
acute, crenate, slightly pubescent. Whorls few-flowered, forming a 
very lax terminal raceme; bracts minute; pedicels shorter than the 
calyx. Calyx finally ¢ in. long; tube funnel-shaped ; upper lip sub- 
orbicular, much shorter than the tube; lateral teeth small cusps; lower 
larger cusps. Corolla-tube cylindrical, twice as long as the calyx ; lobes 
small, Stamens not exserted. 
Nile Land. British East Africa: Mombasa, Wakefield ! 
14. O. calaminthoides, Baker in Kew Bulletin, 1895, 225. A 
much-branched undershrub, with pubescent branchlets. Leaves shortly 
petioled, ovate, 4-1 in. long, subobtuse, crenate, green and pubescent 
on both surfaces. Racemes simple, long, lax; whorls 2-6-flowered ; 
pedicels longer than the calyx ; bracts minute Calyx pubescent, 4 in. 
long ; tube cylindrical ; teeth minute; upper ovate and obtuse; lower 
linear. Corolla-tube cylindrical, } in. long ; lips small ; upper shorter ; 
lower lingulate. Stamens not exserted. Style entire at the top. 
Nile Land. Somaliland: Golis range, Mrs. Lort-Phillips ! 
15. O. roseus, Briquet in Engl. Jahrb. xix. 174. Stems slender, 
erect, much branched, slightly pubescent upwards. Leaves shortly 
petioled, small, ovate, acute, crenate. slightly pubescent. _Whorls many, 
few-flowered, forming a lax terminal raceme ; bracts minute ; pedicels 
short, pubescent. Fruit-calyx 4 in. long ; upper tooth orbicular, shorter 
than the oblong tube; lateral teeth small cusps ; lower larger cusps. 
Corolla rose-red ; tube cylindrical, twice as long as the calyx ; lobes 
small. Stamens not exserted. 
Nile Land. British East Africa: Bongo; by the River Roa, Schweinfurth, 
2765! Niamniam ; by the River Mabode, Schweinfurth, 3818 ! 
16. O. pallidus, Royle; Benth. in DC. Prod. xii. 50. Perennial, 
much branched from the base ; stems short, densely pubescent. Leaves 
shortly petioled, small, ovate, obtuse, crenate, pubescent on both sides. 
Whorls few-flowered, forming a lax terminal raceme ; bracts minute ; 
rhachis pubescent ; pedicels shorter than the calyx. Calyx pubescent, 
finally } in. long ; tube oblong ; upper lobe orbicular, shorter than the 
tube ; lateral and lower large cusps. Corolla twice as long as the 
calyx ; lobes small. Stamens not exserted.—Hook. f. Fl. Brit. Ind. lv. 
VOL. V. “ 
