412 CIl. LABIATE (BAKER). [ Plectranthus. 
petioled, ovate, acute or acuminate, membranous, serrate, 2—3 in. long, 
14-2 in. broad, rounded or subcordate at the base, clothed with long 
adpressed hairs on both sides. Inflorescence racemose, very short, 
terminal; cymes shortly peduncled, crowded, 3-flowered ; pedicels 4-3 
in. long; bracts lanceolate. Calyx shortly tubular, finally 4-1} in. 
long ; upper tooth ovate, acute, the others lanceolate-deltoid, acuminate. 
Corolla with a blue tube and white lips. 
Mozamb. Dist. German East Africa: Kilimanjaro, near Marangu, 5000 ft., 
Volkens, 634, Usambara; near Mialo, Holst, 459. 
46. P, urticoides, Baker. An erect herb, with slender stems 
thinly clothed with spreading white hairs. Leaves long-petioled, cor- 
date-ovate, deeply crenate, membranous, slightly hairy on the main 
veins, the lower 3-4 in. long and broad, with an ascending petiole 
nearly as long as the blade. Inflorescence a very lax terminal racemose 
panicle; cymes simple or slightly compound ; pedicels longer than the 
calyx. Flower-calyx } in. long; tube campanulate ; upper tooth ovate ; 
4 lower cuspidate. Corolla } in. long.—P. laxiflorus, var. genuinus, 
Briquet in Engl. Jahrb. xix. 180, vix Benth. Germanea lawiflora, var. 
genuina, Hiern, Cat. Afr. Pl, Welw. i. 861. 
Lower Guinea. Angola: province of Pungo Andongo, Welwitsch, 5545! 
Briquet in Engl. Jahrb. xix. 180, refers this to the South-east African P. lazi- 
florus, Benth., which differs by having many distinctly peduncled cymes, larger 
corollas, &e. He describes a var, sfenodontus coliected in Angola by Von Mechow. 
47. P.chiradzulensis, Baker. Stem elongated, woody, bearing small 
distant lateral panicles; branchlets pubescent. Leaves small, petioled, 
ovate, deeply crenate, membranous, glabrous. Panicles very lax, lateral 
and terminal ; cymes few-flowered, simple or compound; pedicels 4-4} in. 
long. Calyx finally }~} in. long ; upper tooth ovate, shorter than the 
oblong tube; lateral teeth lanceolate ; lower linear, as long as the top 
one. Corolla $ in. long; lower lip oblong, deeply concave, as long as 
the tube. 
Mozamb. Dist. British Central Africa: summit of Mount Chiradzulu, Meller ! 
Mount Mlanje, 6000 ft,, Whyte ! 
48. P, usambarensis, (Giirke in Engl. Jahrb. xix. 207. Stems 
branched, clothed with spreading glandular hairs. Leaves long-petioled, 
rhomboid-ovate, membranous, 1-1} in. Jong, at most | in. broad, acute, 
rounded or narrowed to the base, serrate, sparsely clothed on both 
sides with very long hairs. Inflorescence racemose, lax ; whorls 
remote ; cymes 2-flowered, shortly peduncled ; bracts ovate-lanceolate, 
persistent ; pedicels ! in, long, clothed, like the calyx, with long simple 
and short glandular hairs. Fruit-calyx } in. long; upper tooth broad 
° . : 5D lat 
deltoid, acute ; lateral deltoid, acuminate; lower longer, lanceolate, 
acuminate. 
Mozamb. Dist. (ierman East Africa: Usambara, Holst, 487. 
