Pycnostachys.} CII. LABIATH (BAKER), 383 
panulate, densely pilose; teeth subulate, rigid, pilose, J+ in. long. 
Corolla not seen. 
, Nile Land. British East Africa: Kavirondo, in marshy places, Scott-Hlliot, 
155! 
16. P. Petherickii, Baker. A perennial, with obscurely pubescent 
Square stems. Leaves sessile, erecto-patent, oblong-lanceolate, firm in 
texture, strongly ribbed beneath, crenate in the upper half, entire, in 
the lower half, 3—4 in. long, 1-1} in. broad at the middle, glabrous on 
both surfaces, copiously gland-dotted beneath. Spike very dense, 
finally 3-4 in. long, 1} in. diam. exclusive of the corollas. Calyx-teeth 
subulate, finally } in. long, three times the length of the campanulate 
tube. Corolla pubescent on the outside. 
Nile Land. White Nile, Petherick ! 
17. P. niamniamensis, Giirke in Engl. Jahrb. xxii. 145. Stem 
erect, pubescent. Leaves sessile or very shortly petioled, oblong- 
lanceolate, 2~3 in. long, about 1 in. broad, acute, narrowed to the bare, 
sharply serrate, coriaceous, pubescent on both surfaces, with scattered 
red glands ; veins raised beneath. Spikes oblong; bracts linear, pubes- 
cent, 4-4 in. long. Calyx pubescent, 4-4 in. long; teeth erect, four 
times the length of the campanulate tube. 
Wile Land. Niamniam: in swampy lowlands east of the River Huuh (Hoo), 
Schweinfurth, 3750a, 
18. P. Whytei, Baker. An erect perennial herb, with branched 
finely pubescent dark brown stems. Leaves subsessile, oblong or oblong- 
lancevlate, 2-4 in. long, acute, crenate, moderately firm, green and 
slightly pubescent above, more densely pubescent beneath. Heads 
oblong, 1} in. diam. Calyx-tube campanulate, pubescent, } in. long ; 
teeth subulate, rigid, pungent, glabrous, finally twice as long as the 
tube. Corolla half as long again as the calyx. Stamens not exserted 
beyond the corolla-lips. . 
Mozamb. Dist. British Central Africa: Nyasaland; Tanganyika Plateau at 
Fort Hill, 3500-4000 ft., Whyte ! 
19. P. nepetzefolia, Buker. A perennial herb, with quadrangular 
sulcate densely pubescent stems. Leaves sessile, ovate, 1-1} in. ong, 
acute, rounded at the base, firm, obscurely pubescent above, epse y 
pubescent with raised veins beneath. Spikes many, panicled, short, 
dense, conical; bracts large, lanceolate. Calyx-tube omall, campanu- 
late ; teeth rigid, subulate, 4-4 in. long. Corolla bright violet. 
Nile Land. British East Africa; Kavirondo; in open grassy places on the 
Nandi Range, 7000-8000 ft., Scott-Elliot, 6471! 
, in Kew Bulletin, 1895, 71. Stem her- 
“us, branched, pube oat 3.8 ft. long. Leaves shortly petioled, 
baceous, branched, pubescent, 2 - . . 
verticillate, unequal, linear or lanceolate, 6~—9 lin. long, i lin. brosd, 
dentate, pubescent and green on both surfaces. Racemes dense, cy 
