404 CI, LABIATA (BAKER.) [ Plectranthus. 
upper tooth broad, ovate or roundish, obtuse; lateral deltoid, acute ; 
lower lanceolate, acuminate. 
Upper Guinea. Cameroons: near Buea, 7000 ft., Preuss, 1019. 
12. P. ovatifolius, Oliv. in. Trans. Linn. Soc. xxix. 136, t. 139. 
An erect perennial, with many erecto-patent pubescent branches. 
Leaves many, shortly petioled, ovate, acute, membranous, pubescent, 
about 1 in. long. Inflorescence a lax terminal racemose panicle ; 
branches 3—4 in. long ; whorls few-flowered ; pedicels pubescent, 4—{ in. 
Jong. Fruit-calyx } in. long; upper tooth ovate, mucronate, shorter 
than the tube, with decurrent edges ; lateral teeth small cusps ; lower 
teeth large cusps. Corolla } in. long. 
Wile Land. British East Africa: Madi; in patches on flat ground near the 
Madi Burn, Speke & Grant ! 
13. P. prostratus, Giirke in Hngl. Jahrb. xix. 206. Stems 
creeping, rooting at the nodes, pubescent. Leaves shortly petioled, 
small, obovate, fleshy, cuneate at the base, obtuse, undulated or obso- 
letely crenate on the margin, with a few adpressed hairs on both sides. 
Inflorescence racemose, lax; whorls 6—10-flowered ; cymes sessile ; 
pedicels 1—! in. long, clothed like the calyx, with adpressed whitish 
hairs ; bracts ovate, obtuse. Fruit-calyx ;),—} in. long; upper tooth 
round-ovate, subacute; the rest subequal, lanceolate, acuminate. 
Corolla violet. 
Mozamb. Dist. (ierman East Africa: at the foot of Rhinoceros Hill, at 
Fangani Ford, about 2700 ft., Volkens, 484; Ukira, east of Victoria Nyanza, Fischer, 
497. 
l4. P. Fischeri, Giirke in Engl. Jahrb. xix. 200. Undershrub. 
Stems erect or ascending, pubescent above, glabrescent below. Leaves 
obovate or suborbicular, narrowed to a short petiole, obtuse or sub- 
acute, entire or obscurely crenate, }—1} in. long, thick, pubescent on 
both sides. Inflorescence racemose, very dense, terminal or shortly 
peduncled in the axils of the upper leaves; pedicels longer than the 
calyx; bracts suborbicular or ovate, acute, $4 in. long. Calyx yz in 
long, clothed with long hairs; upper tooth larger, ovate; lower sub- 
equal, deltoid. Corolla blue; tube erect, pubescent ; lips villous, out- 
side, 
Mozamb. Dist. (rerman East Africa : hanging from rocks, near a stream in & 
forest on the slopes of Ugweno Mountain, near Kilimanjaro, 3900 ft., Fo/kens, 518 ; 
Masai Highlands, Fischer, ser. 1. 77, ser. IT. 501. 
It has the habit of P. eylindraceus, Hochst. 
15. P. insignis, //oo/: f. in Journ. Linn. Soc. vii. 210. A much- 
branched erect perennial herb, with stems 10-15 ft. long. Leaves 
long-petioled, oblong, membranous, inciso-crenate, slightly pubescent, 
acute, narrowed gradually from the middle to the base, the lower 
6—9 in. long, 3-4 in. broad at the middle. Inflorescence a very lax 
ample terminal racemose panicle, the end branch 6-9 in. long; whorls 
