382 Cll, LABIATE (BAKER). [ Pycnostachys. 
11. P. speciosa, Giirke in Engl. PA. Ost-Afr. C. 345. Stem 
tetragonous, pubescent, branched. Leaves sessile, lanceolate, the lower 
4-5 in. long, 1-14 in. broad, the upper shorter, narrower, amplexicaul, 
very acuminate, serrate, pubescent on both surfaces. Spikes oblong ; 
bracts linear, reflexed, villous. Calyx campanulate; teeth longer than 
the tube, villous at the base. Corolla large, blue. 
Mozamb. Dist. Germain East Africa: Masai Highlands, Fischer, 510. East 
shore ot the Vietoria Nyanza, Fischer, 499 ; in forest on the banks of the Ugalla River, 
Bohm, 117. 
12. P. affinis, Giirke in Engl. PA. Ost-Afr. C. 345, Stem 
tetragonous, pubescent, branched. Leaves sessile, lanceolate, 6-8 in. 
long, narrowed to the base, very acuminate, serrate, pubescent on both 
surfaces. Spike oblong ; bracts lanceolate, erect, villous. Calyx villous ; 
teeth longer than the tube. Corolla large. 
Mozamb. Dist. German East Africa: Mwanza, on the Victoria Nyanz, 
Stuhlmann, 4693. 
13. P. sphzrocephala, Baker in Kew Bulletin, 1898, 162. An erect 
perennial herb, with slender branched pubescent stems. Leaves few, 
distant, subsessile, lanceolate, 4-1 in. long, slightly toothed in the upper 
half, thick, subcoriaceous, pubescent on both surfaces. Heads small, 
globose; bracts small, linear, rigid. Calyx-tube campanulate, pubescent, 
4in. long; teeth linear-subulate, rigid, as long as the tube. Corolla not 
seen. 
Mozamb. Dist. British Central Africa: Nyasaland; Nyika Plateau, 6000- 
7000 tt., Whyte, 139! 
14. P. reticulata, Benth. in DC. Prod. xii. 83. A perennial herb, 
with erect simple or branched obscurely pubescent stems 2-3 ft. long. 
Leaves sessile, oblong or oblong-lanceolate or lanceolate, firm in texture, 
crenate, strongly veined and slightly pubescent beneath, the lower 
3-4 in. long, the upper growing gradually shorter. Spikes very dense, 
1-2 in. long, 3-1 in. diam. exclusive of the curollas. Calyx-teeth 
finally } in. long, thrice as long as the tube. Corolla hairy outside ; 
lower lip 4 in. long. Stamens not exserted.—Oliv. in Trans. Linn. 
Soc. xxix. 138, 
Nile Land. British East Atrica: Unyoro; in moist dips of the ground in the 
Ukidi country, Speke Y Grant ! 
Mozamb. Dist. British Central Africa: Nyasaland; Tanganyika Plateau, 
Carson ! 
15. P, decussata, Baker. A perennial herb, with quadrangular 
finely pubescent stems. Leaves decussate in sessile pairs, ascending, 
oblong-lanceolate, acute, 2 in. long, narrowed to the base, obscurely 
crenate, rigidly curiaceous, obscurely pubeecent above, more pubescent 
with strongly raised veins beneath. Spikes very dense, oblong, single, 
terminal, 1-2 in. long ; flowers all deflexed. Calyx-tube small, cam- 
