Plectranthus. | LABIAT (Cooke). 285 
33. P. neochilus (Schlechter in Journ. Bot. 1896, 394) ; an erect 
branched undershrub ; stems obtusely quadrangular, hirsute with 
fine whitish hairs; leaves subsessile or shortly petiolate, 14-17 in. 
long, 3-1 in. broad, fleshy, elliptic or obovate, usually rounded at 
the apex, hairy on both surfaces, cuneate at the base ; inflorescence 
of elongate many-flowered spike-like racemes; verticils about 
6-flowered, close; bracts submembranous, large, 4 lin. long and 
broad, broadly ovate or suborbicular, with a long acumen, ciliate, 
deciduous ; pedicels short, 1-2 lin. long ; fruiting calyx 3 lin. long ; 
upper tooth 12 lin. long, broader than long, bluntly and shortly 
acuminate, strongly nerved ; other 4 teeth lanceolate, acute, ciliate, 
2 lower the longest; flowering calyx 1} lin. long, campanulate, 
hairy ; corolla deep purple (Galpin) ; tube subcylindric, 3 lin. long, 
deflexed about the middle ; upper lip erect, subquadrate, 1} lin. long, 
4-lobed ; lower lip 4 lin. long, boat-shaped ; nutlets ? lin. long, 
} lin. broad, globosely ovoid, smooth, dark brown. 
Katauart Recion: Transvaal; Rimers Creek, near Barberton, 3000 ft., 
Galpin, 968 ! 
Eastern Recion : Natal; Gerrard, 1237! — 
34. P. esculentus (N. E. Br. in Kew Bulletin, 1894, 12); root 
tuberous, edible ; stems at first erect, then bending towards the 
ground and branching, pubescent ; leaves sessile or nearly so, 13-3 
in. long, }—Z in. broad, oblong, obtuse, minutely pubescent on both 
sides, cuneately narrowed at the base ; racemes solitary or fasci- 
culate, simple, 3-1 in. long, hairy; bracts 1 lin. long and broad, 
opposite, elliptic, obtuse, scabrous ; pedicels 1-1} lin. long ; flowering 
calyx 14-2 in. long, campanulate, scabrous with short stout hairs ; 
upper tooth ovate, subotuse ; other 4 teeth lanceolate, acute, subequal ; 
corolla yellow, 7 lin. long ; tube 3 lin. long, deflexed 1 lin. from the 
base, portion above the deflexion funnel-shaped ; upper lip 2-23 lin. 
long, obovate, 4-lobed, 2 terminal lobes made by a triangular notch 
4 lin. deep at the apex, rounded ; lateral lobes small, oblong, 
obtuse ; lower lip 34 lin. long, 1 lin. deep, boat-shaped, acute ; upper 
pair of stamens 2 lin. long ; lower pair 3 lin. long ; style as long as 
the lower stamens ; nutlets not seen. Hook. Ic. Pl. t. 2488. 
Eastern Recion : Natal; Wood, 3633 ! 5620! 
The plant is known as ‘‘Umbondwe” or ‘‘Kafir Potato.” The Kafirs eat the 
tubers. Cultivated specimens grown in the Botanic Gardens at Durban, at 
Skinners Court, Pretoria, and at Kew, are the only examples that have been seen, 
no wild specimens. 
35. P. pachyphyllus (Guerke MS. in Bot. Mus. Univers. Ziirich) ; 
a low plant about 6 in. high; stem stout, branched from the base 
hairy ; leaves thick and fleshy, }—} in. long, nearly as broad as long, 
shortly petiolate, obovate-oblong, cuneate at the base, shallowly 
crenate, very densely hairy on both sides ; flowers in simple racemes ; 
rhachis hairy; verticils about 6-flowered, rather distant in the 
lower part of the raceme ; pedicels 1} lin. long, hairy ; flowering 
calyx 1} lin. long, densely hairy ; tube very short ; upper tooth 
