374 CH. LABIATZ (BAKER). [ Orthostphon. 
33. O. Cameroni, Baker in Kew Bulletin, 1895, 72. Perennial ; 
stems short, slender, erect, simple, finely pubescent. Leaves sessile, 
oblong-lanceolate, acute, minutely toothed, slightly pubescent, 1-1} in. 
long. Whorls few, few-flowered, forming a very lax terminal raceme ; 
bracts minute ; pedicels very short, pubescent. Calyx jin. long; tube 
campanulate, pubescent ; upper tooth short, broad, obtuse; lateral and 
lower teeth minute cusps. Corolla-tube a little longer than the calyx; 
lower lip } in. long. Stamens much exserted. 
Mozamb. Dist. Lake Tanganyika, Cameron! British Central Africa : 
Urungu; Fwambs, 5200 ft., Mutt ! Carson ! 
34. O. iodocalyx, Briquet in Engl. Jahrb. xix.174. Suffruticose 
at the base; branches reddish, subglabrous. Leaves petioled, oblong, 
14-24 in. Jong, acute or subacute, narrowed to the base, regularly and 
deeply crenate, glabrous on both surfaces, green above, glabrous beneath. 
Raceme 4 in. long, moderately dense ; bracts deciduous; axis shortly 
pubescent ; pedicels finally } in. long. Flower-calyx violet, $-§ in. 
long; upper tooth ovate, scarcely decurrent; lower teeth setaceous. 
Corolla protruding } in. from the throat of the calyx; lower lip ¢ in. 
long. Stamens exserted. 
Lower Guinea. Angola : at the River Kuango, Pogge, 353. 
35. O. breviflorus, Vatke in Linnea, xliii. 88. Perennial. Stems 
slender, simple, densely pubescent. Leaves shortly petioled, cordate- 
ovate, acute, membranous, green and hairy on both sides, 14-1 in. long. 
Whorls numerous, many-flowered, forming a moderately dense terminal 
raceme 3-4 in. long; bracts, except the lowest, small; pedicels shorter 
than the calyx. Calyx } in. long; tube campanulate; upper tooth 
obovate, longer than the tube ; lower about as long, deltoid or lanceolate. 
Corolla but little longer than the calyx. Lower stamens exserted. Style 
not capitate, as described by Vatke. 
Nile Land. British East Africa: Taita; Ndara Plain, Hildebrandt, 2414 ! 
36. O. linearis, Benth. in Hook. Ic. Pl. t. 1274. Stems very 
slender, square, glabrous. Leaves sessile, narrow linear, glabrous, 
l-nerved, 1 in. long; margins revolute. Raceme very long; whorls 
2-6-flowered ; bracts minute; pedicels shorter than the calyx. Calyx 
} in. long; tube campanulate ; upper lip orbicular, shorter than the 
tube ; lateral teeth deltoid, with a small cusp; lower small, subulate. 
Corolla-tube twice as long as the calyx, cylindrical, with a dilated 
throat. Stamens much exserted; anticous filaments connate above the 
middle.— Rolfe in Oates, Matabeleland, ed. 2, 407. 
Mozamb. Dist. Matabeleland, Oates! 
37. ©. liebrechtsianus, Briguet in Bull. Soc, Bot. Belg. XXXV". 
84. A perennial herb or undershrub, with ascending pubescent or sub- 
glabrous branches. Leaves shortly petioled, oblong-lanceolate, 1 in. 
long, obtuse, crenate, narrowed to the base, dark green above, light 
