Plectranthus. | LABIAT (Cooke). 283 
lower lip 2 lin. long ; stamens much exserted ; nutlets } lin. long, 
4 lin. broad, globosely ovoid, dark brown (almost black), smooth. 
KALAHARI REGION: Transvaal; near Barberton in wooded ravines, 3000-4000 ft., 
Galpin, 939! Houtbosch Berg, Nelson, 431 ! 
29. P. Peglere (T. Cooke in Kew Bulletin, 1909, 378); a 
tall plant; stems erect, nearly glabrous, purplish, grooved, 
finely striate; leaves 3-8 in. long, reaching 4 in. broad, 
broadly ovate, acuminate, coarsely and irregularly serrate, 
glabrous or nearly so above, pubescent on the nerves and closely 
gland-dotted beneath, base cuneate; petioles 1-3 in. long, 
purplish, glabrous or pubescent; inflorescence reaching 1 ft. or 
more long, the racemes simple or laxly paniculate; flowers 
purple ; verticils 6-flowered, 1-2 in. apart, not pedunculate ; bracts 
14 lin. long, ovate-lanceolate ; pedicels reaching 4 lin. long, filiform ; 
fruiting calyx 4} lin. long, curved, glabrous or nearly so; upper 
tooth 3 lin. long, ovate, obtuse ; other 4 teeth subulate, 2 lower 
nearly twice as long as the lateral ; corolla about 5 lin. long ; tube 
short, enlarged and funnel-shaped above ; lower lip about 24 lin. 
long ; stamens exserted; nutlets 1 lin. long, { lin. broad at the 
base, ovoid, dark yellow. 
Eastern Region; Transkei; Kentani, Miss Pegler, 377! Natal or Zululand, 
Gerrard, 1235! 
30. P. natalensis (Guerke in Bull. Herb. Boiss. vi. 552) ; erect ; 
stems glabrous or nearly so, obtusely quadrangular, grooved, often 
purple when young ; leaves 14-4 in. long, 3-2 in. broad, elliptic- 
lanceolate or oblong-lanceolate, acuminate, sharply serrate, pubescent 
or nearly glabrous and with purple nerves and veins below when 
young, cuneate at the base; petioles 1-1} in. long, pubescent or 
nearly glabrous, articulated at the base and leaving after falling a 
large conspicuous scar on the stem ; inflorescence a simple raceme 
(rarely a branched panicle) ; verticils 4—6-flowered, 3—5 lin. apart, 
not pedunculate ; bracts 14-2 lin. long, lanceolate, acuminate ; 
pedicels reaching 3 lin. long ; fruiting calyx 4 lin. long ; flowering 
calyx reaching 2} lin. long, very oblique, coloured, thinly mem- 
branous ; upper tooth 1 lin. long, ovate, subobtuse, purple ; lateral 
teeth 1 lin. long, deltoid-ovate, acuminate ; 2 lower teeth 1# lin. 
long, lanceolate-subulate ; corolla rather more than } in. long, 
glabrous; tube 24 lin. long over all, lower narrow portion very 
short (about } lin. long), upper slightly enlarged part of the tube 
3 lin. long, nearly straight, rather broader below than at the mouth, 
obtusely saccate, the saccate base appearing like a rounded spur 
4 lin. long on the upper side of the tube; upper lip 3 lin. long, 
21 lin, broad, obovate-oblong, rounded and slightly lobed at the 
apex; lower lip 3 lin. long, 1} lin. deep, boat-shaped, obtuse ; 
stamens exserted, the longer pair 5}, the shorter 4 lin. long ; style 
reaching to the level of the shorter stamens ; nutlets } lin, long 
and nearly as broad at the base, ovoid, smooth, brown. 
