Plectranthus. | CI, LABIAT£ (BAKER). 419 
74. P. Whytei, Baker. A much-branched, erect perennial herb, 
with slender branches, densely clothed upwards with short hairs. 
Leaves sessile, ovate, 1-2 in. Jong, acute, crenate, broadly rounded at 
the base, moderately firm, green and thinly pilose above, densely pilose 
beneath. Cymes not umbellate, produced on long slender peduncles 
from the axils of large leaves; pedicels long. Calyx finally } in. long, 
densely pilose ; tube recurved ; teeth small, subequal, deltoid. Corolla 
tin. long; lips small. Stamens not exserted. Style finally exserted. 
Mozamb. Dist. British Central Africa: Nyasaland; Tanganyika Plateau at 
Fort Hill, 3500-4000 ft., Whyte! between Mpata and the commencement of the 
Tanganyika Plateau, 2000-3000 ft., Whyte! Masuka Plateau, 6500-7000 ft., 
Whyte! North Nyasa, Whyte ! 
75. P. paniculatus, Baker. A much-branched, erect perennial 
herb, with slender branches, clothed with short deflexed hairs, Leaves 
shortly petioled, ovate, 1—2 in. long, subacute, crenate, rounded at the 
base, thin, green and pilose on both surfaces. Cymes not umbellate, 
produced from the axils of large leaves on long slender peduncles ; 
pedicel of central flower j-1 in. long. Fruit-calyx } in. long, densely 
pilose; tube campanulate, teeth small, subequal, deltoid-cuspidate. 
Corolla } in. long ; tube cylindric; lips small. Stamens not exserted. 
Style finally exserted, forked at the tip. 
,..Mozamb. Dist. British Central Africa : Nyasaland; Nyika Plateau, 6000— 
1000 ft., Whyte, 200! Blantyre, in damp places, Buchanan, 105! 
76. P. insolitus, 0. HW. Wright in Journ. Linn, Soc. xxxiv. 275, 
t. 6, figs. 7-8. A glabrous herb. Stem erect, slightly woody at the base, 
Striate when dry. Leaves alternate, linear or slightly falcate, acute, 
attenuate at the base, entire, 1} in. long, 1 lin. wide. Raceme ter- 
minal ; bracts alternate, rarely opposite, ovate-lanceolate, shorter than 
the pedicels. Calyx campanulate, glandular outside ; upper lobe entire, 
broadly ovate; lower lobes narrowly triangular. Corolla-tube contracted 
near the base, campanulate above ; lower lip entire, glandular outside ; 
upper of 4 subequal obtuse teeth. Filaments very shortly connate at 
the base. Ovary when young deeply 4-lobed.—Symphostemon insolitus, 
Hiern in Cat. Afr. Pl. Welw. i. 867. 
Lower Guinea. Angola: Welwitsch, 1634, 5593 ! 
This species recedes from typical Plectranthus in having alternate leaves and very 
shortly connate filaments. It approaches Englerastrum, Briquet. 
Imperfectly known species. 
_ (7. PB. Marquesii, (iirke ex Henriques in Bolet. Soc. Brot. xvi. 70. 
Stem erect, glabrous. Leaves distinctly petioled, oblong-lanceolate, 
»-6 in. long, 2 in. broad, acuminate, narrowed to the base, serrate, 
glabrous on both surfaces. Racemes lax, 4—5 in. long ; whorls distant, 
“flowered ; pedicels long. Calyx sparsely, very shortly pilose. 
South Central, Muato-lamoo ; undershrub in shade along the River Cuillo, 
marques, 197, 
