440 Cl. LABIATA (BAKER). _ | Coleus. 
at the base, thick and rather fleshy, 5-nerved from the base, pilose 
principally on the ribs beneath. Inflorescence racemose, dense, oblong, 
1-14 in. long; whorls many-flowered; cymes distinctly peduncled ; 
pedicels short, pubescent. Fruit-calyx pubescent, 4 in. long ; tube 
campanulate; teeth small; upper tooth ovate ; lower teeth not larger, 
lanceolate. Corolla pubescent, } in. long; lower lip as long as the tube. 
Stamens included. 
Mozamb. Dist. British Central Africa: Nyasaland; Nyika Plateau, 6000- 
7000 ft., Whyte ! 
59. C. mirabilis, Briquet in Engl. Jahrb. xix. 183. A tall shrub, 
with robust branches clothed with grey down. Leaves petioled, lanceo- 
late, 2-3 in. long, acute, narrowed to the base, regularly crenate, green 
and pubescent above, clothed with white tomentum beneath. Inflores- 
cence racemose, long; whorls close, peduncled; bracts chartaceous, 
ovate, acuminate, imbricate in bud. Calyx violet, } in. long in the 
flowering stage; tube campanulate; upper tooth lanceolate, the others 
short, ovate-lanceolate. Corolla dark blue, protruding above 4 in. from 
the throat of the calyx; lower lip } in. long. Stamens included or 
shortly exserted. 
Lower Guinea. Angola: at Lumsuneya Brook, between Malange and the 
River Kuango, Mechow ; in a swamp at Malange, Mechow, 489; in a moorland 
waste below Moma, near Malange, Buchner, 81, 82, 83, 84, 85. 
South Central. Congo Free State; Lunda; by the Lulua River, Pogge, 350. 
Briquet, ]. c. 184, describes 4 varieties—viz., mechowianus (Mechow, no number) ; 
poggeanus (Pogge, 350) ; hypisodontus (Mechow, 489) ; and buchnerianus (Buchner, 
$1 to 86). 
60. C, thyrsoideus, Baker ex Hook. f. in Bot. Mag. t. 7672. A 
leafy much-branched perennial undershrub, 2—3 ft. high. Stem, petioles 
and inflorescence sparsely pubescent with spreading hairs. Lower leaves 
up to 7 by 4 in., ovate-cordate, acuminate, bright green above, paler 
beneath with prominent pubescent nerves, decurrent at the base; 
petiole 2 in. long ; upper leaves smaller, more deeply cleft, shorter 
petioled. Inflorescence racemose, terminal on the branches, narrow, 
erect, 6-10 in. long; branchlets short, bearing dense-flowered dicho- 
tomous cymes of 10-15 shortly pedicelled flowers ; bracteoles minute, 
green. Calyx very small; tube subglobose, hispidulous with stellately 
spreading hairs; dorsal sepal linear-oblong, puberulous, nearly as long 
as the corolla-tube below its flexure ; lateral sepals about half as long ; 
two anticous segments small, linear, obtuse, Corolla bright blue, } 1- 
long ; tube suddenly deflexed a little above the short base, then ascending 
and again deflexed, forming a sub-campanulate laterally compressed 
throat ; upper lip reflexed, obovate, with 4 short broad rounded lobes ; 
lower lip rather longer, cymbiform, subacute. 
Mozamb. Dist. British Central Africa: Nyasaland ; Nyika Plateau, 6000- 
7000 ft., Whyte ! between Mpata and Tanganyika Plateau, 2000-3000 ft., Whyte! 
and cultivated specimen ! 
