Plectranthus. | CII, LABIATE (BAKER). 399 
forming a racemose or paniculate inflorescence ; bracts usually small, 
foliaceous. Flowers small or medium-sized, usually lilac or blue. 
Stamens usually reaching to the tip of the lowerlip of the corolla. 
Species 80-100 or more, spread through all the warmer regions of the Old World, 
extending to the Cape, Madagascar, and Mauritius. 
*GERMANEA.—Upper tooth of the calyx ovate; four 
lower narrow, acuminate, Leaves opposite. 
tCymes reduced to a single flower, 
Bracts lanceolate-subulate 
Bracts broadly ovate 
Bracts minute or obsolete . 
+TCymes umbellate, inflorescence racemose. 
Leaves sessile. 
. P. melanocarpus. 
. £. tetragonus, 
. LP. biflorus, 
Ve 
Annual. . . : . . . . 4 P. modestus, 
Herbaceous perennials. 
Leaves lanceolate. . . . . . 5. PB. stenophyllus. 
Leaves oblong. 
Leaves 2-3 in. long. . . . . 6. PB. zombensis, 
Leaves 6-7 in. long . . 7. P. Buchananii. 
Leaves ovate or oblong. . . . . 8. BP. stachyoides. 
Leaves obovate-cuneate . . . . . 9 P. Lastii. 
Undershrub . . . . . . . 10. P. floribundus. 
Leaves with a short petiole. 
Leaves ovate. 
Fruit-calyx j4,—g in. long . . . - 11. P. minimus. 
Fruit-calyx 4 in. long. . . . . 12. P. ovatifolius. 
Leaves obovate or suborbicular. 
A creeping herb . . . . . 13. P. prostratus, 
An erect undershrub . . . . . 14. P. Fischeri. 
Leaves distinctly petioled. a 
Leaves oblong. . . . . . . 15, P. insignis. — 
Leaves ovate-oblong  . . . . . . 16. P. miserabilis. 
Leaves ovate. 
Whorls 2—3-flowered. 
Fruit-calyx ;'5 in. long. . . . . 17. P. mandalensis. 
Fruit-calyx } in. long. 
‘Annual . . . . . . . 18. P. pauciflorus. 
Perennial. 
Leaves glabrous. . . . 19. P. masukensis. 
Leaves pubescent . . . . . 20. P. brevipes. 
Whorls 3-6-flowered. — 
Pedicels very short. . . : . 21. PB. manganjensis. 
Pedicels 4 in. long. 
Leaves membranous, small . . . 22, P. Holstii. 
Leaves membranous, large . . . 23. P. longipes 
Leaves moderately thick . . . . 24, P. Emini. 
Pedicels long. - 
Lower teeth of calyx deltoid : . 25. P. flaccidus. 
Lower teeth of calyx lanceolate. 
Calyx clothed with long fine glandular 
hairs . . . : - oo 
Calyx clothed with rigid or robust crisped 
hairs . . . . . 
Whorls many-flowered. 
26. P. crenatus. 
27. P. phryxotrichus. 
