Leucas. | CII. LABIATA (BAKER). 485 
lanceolate, 7 lower deltoid, all mucronate. Corolla nearly 1 in. long ; 
upper lip only villous. 
Mozamb. Dist. German East Africa: Ukwere district, in Usaramo, Stuhl- 
mann, 8412. British Central Africa ; Nyasaland: Fort Hill, Tanganyika Plateau, 
4500 ft., Whyte ! 
_ 44. Ly stenophylla, Giirke in Engl. Jahrb. xxii. 138. Stem erect, 
little branched, villous. Leaves sessile, linear-lanceolate, 3-4 in. long, 
1-4 in. broad, acuminate, obscurely serrate upwards, clothed with ad- 
pressed hairs on both surfaces. Whorls many-flowered ; bracts linear, 
mucronate, hispid, above $ in. long. Fruit-calyx pubescent, nearly 1 in. 
long; throat very oblique, produced on the lower side; calyx-teeth 
mucronate ; 3 upper linear, erect ; 7 lower reflexed, of them the 3 central 
ovate-lanceolate. Corolla 1 in. long; upper lip villous. 
Mozamb. Dist. German East Africa: Ukami; near Gwala, 600 ft., Stuhl- 
mann, 8157, 8158. 
45. L. Nyassee, Giirke in Engl. Jahrb. xxii. 137. A perennial, 
with long branched densely hairy stems. Leaves nearly sessile, linear- 
oblong, densely hairy on both sides, obscurely crenate, the lower 2-3 in. 
long. Whorls solitary, terminal on the branches, many-flowered, 1} in. 
dian. ; bracts large, linear, very hispid. Calyx very hairy; tube 4 in. 
long ; throat oblique, produced on the lower side ; upper teeth deltoid ; 
lower lip with larger cusps. Upper lip of corolla $ in. long, densely 
villous. 
Mozamb. Dist. British Central Africa: Urungu ; Fwambo, 5200 ft., Nutt ! 
Nyasaland ; Shire Highlands, between Blantyre and Zomba, Buchanan, 158! 460! 
and without precise locality, Buchanan, 255! Northern Zambesia ; Batoka Highlands, 
near Victoria Falls, Kirk ! 
Near L. indica, R. Br. 
46. L. Descampsii, Briquet in Bull. Soc. Bot. Belg. xxxvii. 99. 
Stem robust, with long internodes, scabrous with rigid ascending or 
Spreading hairs. Leaves sessile or subsessile, oblong-lanceolate, acumi- 
nate, 14-2 in. long, closely crenate, narrowed to the base, dark green, 
thinly clothed with long spreading hairs. Whorl of flowers dense, 
solitary, terminal, 1 in. diam.; bracts large, lanceolate, ciliate on the 
margin. Calyx sessile, } in. long in flower ; throat oblique, produced 
on the lower side ; 3 lower teeth linear-lanceolate, 4 in. long; 7 upper 
much smaller, deltoid. Corolla protruding 4 in. from the throat of the 
calyx ; lips } in. long. 
South Central. Congo Free State : Upper Congo ; Moliro, Descamps. 
47. L. tettensis, Vatke in Linnea, xl. 180. An erect annual 
herb, with pubescent stems 2-3 ft. long. Leaves subsessile, oblong- 
lanceolate or linear, 24-3 in. long, }—4 in. broad, hairy on both surfaces, 
faintly crenate. Whorls terminal, few or solitary, many-flowered, 
d. Calyx bispid, with a 
nearly 1 in. in diam.; bracts linear, hisp! 
