Pycnostachys.'] cii. labiate (baker). 383 



panulate, densely pilose; teeth subulate, rigid, pilose, Jl-V in. long. 

 Corolla not seen. 



Nile Xiand. British East Africa : Kavirondo, in marsh v phices, Scolt-Klliut, 

 7155 ! 



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 J in. broad at the middle, glabrous on 

 both surfaces, copiously gland-dotted beneath. 8pike very dense, 

 finally 3-4 in. long, IJ in. diam. exclusive of the corollas. Calyx-teeth 

 subulate, finally ^ in. long, three times the length of the cam panulate 

 tube. Corolla pubescent on the outside. 



Xlle Iiand. White Nile, Petherick ! 



17. P. niamniaxnensJis, Gierke in Enyl. Jakrb. 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 base, 

 sharply serrate, coriaceous, pubescent on both surfaces, with scattered 

 red glands ; veins raised beneath. Spikes oblong ; bracts linear, pubes- 

 cent, ^-^ in. long. Calyx pubescent, ^-^ in. long; teeth erect, four 

 times the length of the campanulate tube. 



M'lle Xiand. Niamniam : in swampy lowlands east of the River Huuh (Hoc), 

 Schweinfurth, 3750a. 



18. P. Whytei, Baker. An erect perennial herb, with branched 

 finely pubescent dark brown stems. Leaves subsessile, oblong or oblong- 

 lanceolate, 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 {is the 

 tube. Corolla half as long again as the calyx. Stamens not exserted 

 beyond the corolla-lips. 



AfEozamb. Blst. British Central Africa: Nyasaland ; Tanganyika Plateau at 

 Fort Hill, 3500-4000 ft., Whyte ! 



19. P. xxepetaefolia. Baker. A perennial herb, with quadrangular 

 sulcate densely pubescent stems. Leaves sessile, ovate, 1-H in. long, 

 acute, rounded at the base, firm, obscurely pubescent above, densely 

 pubescent with raised veins beneath. Spikes many, panicled, short, 

 dense, conical ; bracts large, lanceolate. Calyx-tube small, campanu- 

 late ; teeth rigid, subulate, \-\ in. long. Corolla bright violet. 



Nile loand. British East Africa: Kavirondo ; in open grHS>y places on tl.c 

 N'andi Ranire, 7000-8000 ft., ScoH-ElUot, «47l ! 



20. P. verticillata. Baker in Kew Bulletin, 181);'), 71. Stem her- 

 baceous, branched, pubescent, 2-3 ft. long. Leaver shortly petioled, 

 verticillate, unequal, linear or lanceolate. (i-O lin. long, 1-4 lin. broad, 

 dentate, pubescent and green on both surfaces. Kacemes dense, cylin- 



