Coleus. | 
Root bearing tubers . 
Leaves thick and rather fleshy 
Undershrub with woody branches 
Leaves distinctly petioled. 
t Herbs. 
Leaves thin and not at all fleshy. 
Leaves glabrous. 
Root tuberous 
Root not tuberous, 
Whorls many-flowered. 
Corolla red 
Corolla lilac 
Corolla yellow 
Whorls 2-Howered 
Leaves slightly pubescent, not bullate. 
Leaves elliptic or suborbicular. 
Bracts oblong 
Bracts ovate 
Leaves ovate. 
Lower whorls 12—15-flowered 
Lower whorls 8-flowered 
Leaves pubescent, bullate 
Leaves very hairy. 
Reot bearing small tubers 
Root not tuberous. 
Dwarf 
Not dwarf. 
Fruit-calyx } in. long 
Fruit-calyx 7 in. long 
Leaves thicker and more or less fleshy. 
Leaves lanceolate or oblong-lanceolate . 
Leaves oblong or obovate 
Leaves ovate-rhomboid or ovate- lanceolate 
Leaves ovate. 
Leaves small . 
Leaves 1-2 in. long. 
Leaves crenate. 
Whorls 5-6-flowered. 
Corolla-tube as long as the calyx 
Corolla-tube longer than the calyx 
Whorls 6-10-flowered 
Whorls 12-flowered . 
Leaves deeply serrate . 
Leaves 2—4 in. long. 
Pedicels } in. long 
Pedicels 4-3 in. long. 
Fruit-calyx 2 in. long 
Fruit-calyx } in. long 
tT Undershrubs with woody branches. 
Leaves small. 
Leaves cuneate at the base. 
Corolla small . 
Corolla large . : 
Leaves rounded at the buse . 
CII. LABIATA (BAKER). 
OB 0 
25 
. 30. 
. C. gymnostomum. 
. 32. 
3. C. cuneatus. 
. 34. 
423 
. C. edulis, 
. C. Kilimandschari. 
. C. comosus. 
C, salagensis. 
C. elatus. 
C. ruwenzoriensis. 
C. decurrens. 
C. leptophyllus. 
. C. Dupuisii. 
. C. Dewevret. 
. C. assurgens. 
. C. Penzigii. 
5. C. bullulatus. 
. C. lanuginosus. 
. C. trichophorus. 
. C. barbatus. 
. C. gomphophyllus. 
. C. flavovirens. 
. O. Schinzit. 
2. C. decumbens. 
. C. tetensis. 
. C. vestitus. 
. C. speciosus, 
26. C. Schweinfurthii. 
. C. petersianus. 
. C. tricholobus. 
. C. ceruleus. 
C. Camporum. 
C. Welwitschii. 
C. amboinicus. 
