Ac?'oce])kalus.] cii. labiat.*: (baker). I^ol) 



gested into whorls, linear, sessile, ascending, denticulate, 2-:') in. long, 

 densely hairy on both sides. Heads densely corymbose at the end of 

 the branches, globose, |-J in. diam. ; basal bracts ovate or lanceolate, 

 very hairy, white towards the base ; flower-bracts obovate-cuneate, very 

 shaggy, I in. long. Flower-calyx very hairy, jV in. long. Corolla twice 

 as long as the calyx. 



Upper Guinea. Niger Territory : Nupe, common in swampy places, Barter ! 



14. A. venosuSy Baker in Kein Bnllethi, 1^;0K, 160. Perennial. 

 Stems erect, densely pubescent, 2 ft. or more long. Leaves opposite, 

 sessile, lanceolate, erecto-patent, entire or obscurely denticulate, 2-o in. 

 long, ascending, densely pubescent, especially beneath. Heads densely 

 corymbose at the ends of the branches, globose or oblong, }^ in. diam. ; 

 basal bracts pale at the base ; flower-bracts orbicular-cuneate, very 

 hairy, ^-J in. long. Calyx J in. long ; lips oblong, much shorter than 

 the tube. Corolla-tube longer than the calyx ; limb short. 



Mozamb. I>lst. German East Africa : on hills, in Karagwe district, 4000- 

 5000 ft., Scott-Elliot, 7490! Portuguese East Africa: Lower Zambesi; Lake 

 Nyatunga, near Shupanga, Kirk ! British Central Africa : Nyasaland ; Nortli 

 Nyasaland, Whyfe! Manganje Hills, 3000 it.. Kirk ! Shibisa (Chikwawa) to Tshiu- 

 muze, 2000-4000 it.. Kirk ! Blantyre, -Bi<rAawaw, 114! 132! and without precise 

 locality, Buchanan, 266 ! 



15. A. coeruleus, Oliv. in Trans. Linn, Soc. xxix. 1:^5, t. 133. 

 Perennial. Stems 3-4 ft. long, much-branched, thinly hairy. Leaves 

 congested into whorls, sessile, ascending, linear, obscurely denticulate, 

 2-3 in. long, slightly hairy. Heads densely corymbose at the end of 

 the branches, globose, J in. diam. ; basal bracts many, large, ovate, 

 white ; flower-bracts orbicular-cuneate, hairy, -J in. long. Calyx villous, 

 ^ in. long ; lips short, orbicular ; lower emarginate. Corolla three 

 times as long as the calyx. 



Wile Iiand. British East Africa ; Ukidi, near water, Speke cf- Grant, 632 ! 

 Kavirondo, on dry laterite, 4000 ft., Scott-Elliot, 7153 ! 



South Central. Congo Free State : near Nyangwe, on the River Lualaba, 

 Pogge, 1075 (var. genuinus, Briquet in Engl. Jahrb. xix. 166). Lunda : LuIuh 

 River, Fogge, 358 (var. trichosoma. Briquet, loc. cit.). 



Mozamb. Bist. German East Africa : between Lake Tanganyika and Lake 

 Rukwa, 6000 i't., Nutt ! British East Africa: Urungu; Fwambo, b200 ft., Sutt .' 

 Carson, 8! 44! 45! Xiumkolo, Hore Bay, Carson! Nyasaland; Tanganyika 

 Plateau, at Fort Hill, 3500-4000 ft., TFkt/ie ! 



IG. A. lilacinus, Oliv. in Trans. Linn. Soc. xxix. 13:», t. 134. 

 Perennial. Stems much branched, 2-3 ft. long, densely hairy, leaves 

 congested into whorls with short internodes, linear-lanceolate, denticu- 

 late, sessile, deflexed, \-\h in. long, hairy on both sides. Heads in 

 dense corymbs at the ends'' of the branches, globose, J in. diam.; basiil 

 bracts large, ovate, pale, with foliaceous tips ; flower-bracts orbicular- 

 cuneate, cuspidate, greenish, pubescent, J in. long. Calyx J in. long. 



