394 CII, LABIATE (BAKER). [ Holanthus. 
slender pubescent branchlets. Leaves sessile, thin, subglabrous, oblong 
or linear-oblong, obtuse, entire or obscurely crenate, the lower 2 in. long. 
Panicles lax, moderately large; branches very compound ; final spikes 
slender, subsecund, 1-2 in. long; bracts very small. Calyx very small, 
truncate, pubescent. Corolla pubescent, } in. long ; lower lip orbicular, 
concave, not longer than the upper. Stamens as long as the lower lip. 
Wile Land. British East Africa: Unyoro; in forests, growing by surface 
rocks, Speke & Grant ! Kavirondo, in dry places, Scott-Elliot, 7117! 
20. ZE. elongatus, Briguet in Engl. Jahrb. xix. 188. An annual, 
with an erect slender simple finely pubescent stem 1 ft. long, from a 
decumbent base. Leaves distinctly petioled, small, oblong, obtuse, 
slightly pubescent, entire or obscurely crenate. Panicle small ; branches 
simple; spikes lax, 1-14 in. long; bracts lanceolate, minute. Calyx 
campanulate, ;4, in. long, obscurely bilabiate. Corolla } in. long ; 
lower lip oblong, concave, as long as the tube; upper shorter. Stamens. 
not longer than the lower lip. 
Lower Guinea. Angola: provinces of Huilla and Pungo Andongo, Welwitsch, 
5592! 5597, 5598 ! 
21. AG. pubescens, Benth. in DC. Prod. xii. 80, An annual, 
with branched erect slender stems, 2—3 ft. long, pubescent upwards. 
Leaves petioled, thin, slightly pubescent, oblong or lanceolate, entire or 
obscurely crenate, 1-2 in. long. Panicle large, very lax; branches 
erecto-patent, compound ; spikes slender, at most 1-14 in. long; bracts 
minute. Calyx ;!, in. long, obscurely bilabiate, pubescent. Corolla 
bright blue, }-} in. long; lower lip oblong, concave, nearly as long as 
the slender tube, pubescent outside. Stamens not protruded beyond 
the lower lip.—Benth. in Hook. Niger Fl. 489. 
Upper Guinea. Lagos: Abeokuta, Irving, 112! Niger Territory : near the 
River Quorra (Niger) at Jeba, Barter ! Lower N iger ; Mount Patteh, Vogel, 174! 
22. AG. Cameronii, Burkill in Journ. Linn. Soc. xxxiv. 273. 
Annual. Stems tall, erect, fragile, red-brown, nearly glabrous. Leaves. 
shortly petioled, distant, opposite, oblong, 1 in. long, acute, deeply 
toothed, entire and cuneate at the base, green and nearly glabrous 0D 
both surfaces. Cymes spicate, scorpioid, peduncled, forming a very lax 
ample panicle; bracts lanceolate, small. Calyx } in. long, tubular, 
slightly pubescent; teeth minute, deltoid. Corolla lilac; tube rather 
longer than the calyx, abruptly deflexed ; lips equal, } in. long, the 
lower deeply saccate. Stamens included. 
Mozamb. Dist. British Central Africa: Nyasaland; Namasi, Cameron, 18! 
23. AE. tuberosus, //iern, Cat. Afr. Pl. Welw. i. 869. A pered- 
nial, with a slender erect square glabrous stem from a decumbent base, 
which sends out roots from its nodes. Leaves oblanceolate, firm, sessile, 
subentire, the lowest 1 in. long, the upper growing gradually smaller. 
Panicle small, with few distant erecto-patent very slender slightly pubes- 
cent branches ; spikes lax, the end one | in. long; bracts small, oblong, 
