488 CII. LABIATA (BAKER). [ Leucas, 
oblong-lanceolate, 2~3 in. long, narrowed to the base, distinctly crenate, 
slightly hairy. Whorls 2-4, globose, very dense, $—1 in. diam. ; bracts 
as long as the calyx, rigid, linear, ciliate. Calyx very deflexed, hairy, 4 in. 
long; lower lip produced ; teeth deltoid. Corolla-lips very small.— 
Engl. Hochgebirgsfl. Trop. Afr. 370. 
Upper Guinea. Caineroons: Cameroon Mountain, 7000 ft., Mann, 1232! 
1976! 
57. L. Volkensii, Giirke in Hngl. Pf. Ost-Afr. C. 342. An under- 
shrub 5-6 ft. high, with ascending pubescent branchlets. Leaves shortly 
petioled, oblong-lanceolate, 3-4 in. long, 1-14 in. broad at the middle, 
acute, narrowed to the base, finely crenate, densely pubescent on both 
surfaces. Whorls spaced out, axillary, dense, many-flowered, 1 1n. 
diam.; bracts linear, rigid, as long as the calyx. Calyx-tube sub- 
campanulate, } in. long; throat very oblique ; teeth deltoid-cuspidate. 
Corolla white. 
Mozamb. Dist. German East Africa: Kilimanjaro ; at Kifinika Volcano and 
above Marangu, 8700 ft., Volkens, 1140! 
58. L. velutina, C. H. Wright. Whole plant clothed with soft 
adpressed hairs. Stem branched. Leaves oblong-lanceolate, obtuse, 
slightly serrate, acute at the base, 3 in. long, 1 in. wide; petiole 3 lin. 
long, stout. Heads terminal, many-flowered ; bracts 2, like the leaves, 
but smaller; bracteoles subulate, 6 lin. long. Calyx-tube 4 lin. long ; 
upper lip with 3 subulate teeth; lower lip 24 lin. long, with 5-7 
minute teeth. Corolla-tube 3 lin. long, slender; upper lip densely 
fringed with hairs ; lower glabrous and strongly 2-nerved inside. 
Mozamb. Dist. Portuguese East Africa: on dry hills between Unangu and 
Lake Shirwa, Johnson, 65! 
59, L. megaspheera, Baker in Kew Bulletin,1898, 163. A perennial 
herb. Stems slender, tetragonous, pubescent. Leaves shortly petioled, 
distant, oblong-lanceolate, 1—3 in. long, shallowly crenate, densely pilose 
on both surfaces. Whorls 1-2, many-flowered, subtended by large 
leaves; pedicels short; flower-bracts large, linear, densely pilose. 
Calyx densely pilose, above } in. long ; throat oblique, produced on the 
lower side; upper teeth linear ; lower small, ovate, acuminate. Corolla- 
tube as long as the calyx; upper lip 4 in. long, densely clothed with 
white hairs. Stamens not exserted. 
Mozamb. Dist. British Central Africa: Nyasaland; Nyika Plateau, 6000- 
7000 ft.. Whyte! Upper Loangwa River, at Fort Young, Nicholson! Natnas!, 
Cameron, 10! Urungu ; Fwambo, Carson ! 
60. Le Coleze, Baker in Kew Bulletin, 1895, 226. A perennial 
herb, with a short erect pubescent branched stem. Leaves shortly 
petioled, ovate, 4~} in. long, acute, crenate, green and pubescent on 
both surfaces. “Whorls dense, solitary, terminal, many. flowered ; 
pedicels very short; bracts large, linear, densely ciliate. Calyx pilose, 
$ in. long ; tube subcylindrical, 10-ribbed ; limb oblique, produced oP 
