Plectranthus.'] cii. labiat.e (baker). \\\) 



74. P. Whytei, Baker. A much-branched, erect perennial heib, 

 with slender branches, densely clothed upwards with short hairs. 

 Leaves sessile, ovate, 1-2 in. long, 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 J in. long, 

 densely pilose ; tube recurved ; teeth small, subec^ual, deltoid. Corolla 

 Jin. long; lips small. Stamens not exserted. Style finally exserted. 



I\Sozaxnl>. Dlst. British Central Africa : Nyasaland ; Tanganyika Plateau at 

 Fort Hill, 3500-4000 ft., Wh'yfe ! between Mpata and the commencement ui' the 

 Tanganyika Plateau, 2000-3000 ft., Whyte ! Masuka Plateau, <J.jOO-700U ft., 

 Whytei North Nyasa, Whyie ! 



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 \-\ 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. 



XMIozamb. I>ist. British Central Africa : Nyasaland ; Xyika Plateau, 6000- 

 7000 ft.. Whyie, 2(X) ! Blantyre, in damp places, Buchanan, 105 ! 



76. P. insolitus, C. 11. Wright in Journ. L'nin. Soc. xxxiv. 27."), 

 t. i), Jigs'. 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 j 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 insolituSj 

 Hiern in Cat. Afr. PL Welw. i. 8G7. 



Iiower Guinea. Angola : Welwitsch, 1634, 5593 ! 



This species recedes from typical Plectranthus in having alternate leaves and very 

 shortly connate filaments. It approaches Englerastnim, Briquet. 



Imperfectly knoicn species. 



77. P. Marquesiiy Giirke ex Henriques in Bolet. Soc. lirot. xvi. 70. 

 Stem erect, glabrous. Leaves distinctly petioled, oblong-lanceolate, 

 5-6 in. long, 2 in. broad, acuminate, narrowed to the base, serrate, 

 glabrous on both surfaces. Racemes lax, 4-5 in. long ; whorls distant, 

 6 -flowered ; pedicels long. Calyx sparsely, very shortly pilose. 



Soutli Central. Muato-lamoo : undershrnb in shade along the River Cuillo, 

 Marques, 197. 



