{22 CII. LABIATE (BAKER). [ Solenostemon. 
5. S. Mannii, Baker. An herbaceous perennial, with erect stems, 
3 ft. long, and firm glabrous branches. Leaves petioled, ovate, acute, 
crenate, cuneate at the base, moderately firm, glabrous, 1-14 in. long. 
Inflorescence a lax, cylindrical, peduncled, terminal panicle 3-4 in. long, 
with slightly compound subsessile cymose branches; pedicels long, 
slender. Flower-calyx ,\, in. long, deeply bilabiate; upper lip ovate, 
reflexed ; lower oblong. Corolla 4 in. long ; lower lip longer than the 
tube.—Coleus Mannii, Hook. f. in Journ. Linn. Soc. vii. 211; Engl. 
Hochgebirgsfl. Trop. Afr. 361. 
Upper Guinea. Cameroons: Cameroon Mountain, 5000-6000 ft., Mann, 
1967 ! 
6. S. cymosus, Baker. Stems 10-12 ft. long, slender, square, 
glabrous. Leaves ovate, acute, long-petioled, nearly or quite glabrous, 
the lower 3-4 in. long. Whorls distant, each composed of two lax 
cymes, arranged in a panicle reaching a foot in length; pedicels 
glabrous, 1-1 in. long, in fruit up to 5 lin.; bracts minute. Calyx 
finally } in. long; tube campanulate ; upper lip orbicular, reflexed ; 
lower oblong, concave. Corolla-tube much longer than the calyx, 
deflexed and dilated at the throat ; lower lip } in. long. Stamens as 
long as the lower lip. 
Upper Guinea. Cameroons: Cameroon Mountain, 1000-3000 ft., Mann, 
1251! 
Schweinfurth’s No. 3596 from Monbuttu is probably a near ally, but our specimen 
does not show corolla and stamens. 
15. COLEUS, Lour.; Benth. et Hook. f. Gen. Plant. ii. 1176. 
Calyx usually declinate in fruit; tube campanulate; upper tooth 
ovate; 4 lower narrower, acute. Corolla-tube much longer than the 
calyx, deflexed about the middle ; throat funnel-shaped ; limb bilabiate; 
lower lip long, oblong, deeply concave. Stamens 4, didynamous, decli- 
nate; filaments united in a tube above their insertion in the throat of 
the corolla; anther-cells confluent. Disk produced into a gland on 
the lower side of the ovary. Style bifid at the apex. Nucules ovoid 
or subglobose, smooth.— Annual or perennial herbs or small shrubs. 
Leaves various in shape, petioled or sessile. Whorls of racemes 
usually simple, rarely compound. Flowers usually lilac, small ot 
middle-sized. 
Species 80-100, spread through the warmer regions of the Old World. 
“Cymes umbellate, arranged in a simple racemose panicle, 
Leaves sessile or subsessile. 
Perennial herbs. 
Leaves thin and not at all fleshy. 
Root without tubers. 
Leaves glabrous . . . . 1. C. aquaticus. 
Leaves pubescert . . . . . 2. C. glandulosus. 
