376 CII. LABIAT# (BAKER). [ Orthosiphon. 
protruded } in. from the throat of the calyx. Style entire, clavate at 
the apex. 
Lower Guinea. Angola: Malange, Marques, 25, 64. 
Henriques, in Bolet. Soc. Brot. xvi. 70, reduces this to O, Welwitschii, Rolfe. 
41. O. Welwitschii, Rolfe in Bolet. Soc. Brot. xi. 88. Perennial. 
Stems erect, finely pubescent, simple or branched, 1-1} ft. long. 
Leaves oblong, 1-1} in. long, shortly petioled, entire or obscurely 
serrate, pubescent on both sides. Racemes long, lax ; flowers about 4 
in a whorl ; rhachis pubescent ; pedicels short, ascending ; upper bracts 
large, bright red, ovate, acute, persistent. Calyx finally 4 in. long; 
upper lip orbicular, shorter than the tube; 4 lower teeth large cusps. 
Corolla-tube half as long again as the calyx; lips small. Stamens 
exserted beyond the corolla-lips. — (. adornatus, Briquet in Engl. 
Jahrb. xix. 176. 
Lower Guinea. Angola: province of Huilla, Welwitsch, 5519! 5520! 5555! 
Ambaca ; Lutete Savannah, Buchner, 570; Malange, Marques, 7! Mechow, 166 ; 
between Sanza and Malange, Pogge, 349 ; Quissange, Archieta, 41. 
Briquet, 1. ¢., describes 3 varieties, chlorochrous, oblongifolius, and rotundifolius. 
42. O. Kirkii, Baker. Perennial. Stems finely pubescent, 1-2 ft. 
long, simple or branched. Leaves 2-4 to a node, lanceolate or oblong- 
lanceolate, 2~-3 in. long, sessile or shortly petioled, entire or serrate, 
firm, obscurely pubescent on both sides. Racemes dense at the top, 
lax towards the base; pedicels very short ; upper bracts large, linear, 
dark purple. Calyx finally } in. long; upper tooth orbicular; lower 
-teeth with large cusps. Corolla-tube twice as long as the calyx. Stamens 
much exserted. 
Nile Land. British East Africa : Nyika country, near Mombasa, Wakefield. 
Mozamb. Dist. Lake Tanganyika, Cameron! Portuguese East Africa : 
between Unango and Mtonia, east of Luke Nyasa, Johnson! British Central Africa : 
Nyasaland ; west shore of Lake Nyasa, at the foot of Kowirwi Hill, Kirk! Mount 
Chiradzulu, Meller ! Manganji Hills, Meller ! Mount Malosa, 4000-6000 ft., Whyte ! 
Mount Zomba and vicinity, 2800-3500 ft., Whyte! Tanganyika Plateau, at Fort 
Hill, 3500-4000 ft., Whyte ! Mount Mlanji, Whyte. 
43. O. Elliottii, Baker. Perennial, suffruticose. Stems slender, 
simple or branched, very hairy. Leaves small, ovate, or oblong, entire, 
nearly sessile, densely hairy on both sides. Raceme finally long and 
lax; flowers 2 to a whorl; rhachis densely hairy ; pedicels short ; upper 
bracts orbicular, persistent, bright red, } in. diam. Calyx finally } in. 
long ; upper tooth ovate, obtuse, much shorter than the tube ; lower teeth 
with large cusps. Corolla-tube a little longer than the calyx. Stamens 
not exserted beyond the corolla-lips. 
Mozamb. Dist. Matabeleland, Elliott / 
Imperfectly known species. 
44. O. grandiflorus, Jerracciano in Bull. Soc. Bot. Ital. 1892, 424. 
Leaves undulato-crispate, canescent at the base. Pedicels slender, 
