360 cii. LABiAT.E (baker). [Aa^ocephalus. 



deeply bilabiate, lips oblong. Corolla pale lilac, three times the length 

 of the calyx. 



Upper Guinea. Gold Coast : Adofi, Krause ! 



srile Iiand. British East Africa: Bongo; Sabbi River, Schweinfurth^ 2QA:0 \ 

 Ugandf^, in grass land, Wilson, 44 ! 



Mozamb. Dl8t. German East Africa : Usui, 4200 ft., Speke Sf Grant, 139 ! 



17. A. lagoensis, Baker in Keio Bulletin, 1895, 152. A perennial, 

 with erect densely pubescent stems. Leaves many, set^sile, linear, 2-3 

 in. long, dentate, deflexed, moderately firm, pubescent on both surfaces. 

 Heads many, globose, J in. diam., forming dense terminal corymbs ; 

 basal bt*acts ovate or rhomboid, pale throughout, densely pubescent ; 

 flower-bracts orbicular-cuneate, densely pilose. Calyx densely pilose, 

 -J in. long. Corolla glabrous; tube slender, rather longer than the 

 calyx ; lips small. 



Upper Guinea. ' Interior of Western Lagos, Rowland ! 



18. A. Buettneri, Gilrke in Engl. Jahrb. xix. 11>8. Stem branched, 

 erect, clothed with long silky adpressed hairs. Leaves lanceolate, acute, 

 narrowed to a very short petiole, lJ-2 in. long, entire or obscurely 

 toothed, deflexed, densely clothed on both sides with long yellowish 

 adpressed silky hairs. Heads subglobose ; outer bracts 3-4, deltoid or 

 lanceolate-deltoid, acuminate, silky, J-J in. long ; flower-bracts ovate or 

 rhomboid-apiculate, longer than the calyx, pilose; pedicels J lin. long. 

 Calyx in fruit -^^ in. long, clothed with long hairs ; upper lip entire, 

 rounded at the apex ; lower 3-toothed. Corolla white ; tube twice the 

 length of the calyx. 



Upper Guinea. Togoland : near Bismarckbin g, Biittner, 304! 



19. A. callianthus. Briquet in Engl, Jahrh. xix. 169. Annual. 

 Stems erect, much-branched, lJ-2 ft. long, thinly clothed with short 

 spreading bristly white hairs. Stem-leaves shortly petioled, oblong- 

 lanceolate, crenate, 2-3 in. long, thinly hairy on both sides. Heads 

 corymbose at the end of the branches, crowded, globose, \-h in. diam. ; 

 basal bracts ovate, pale at the base ; flower-bracts orbicular-cuspidate, 

 \ in. long and broad. Fruit- calyx ^ in. long ; tube strongly ribbed ; 

 lips oblong. Corolla twice as long as the calyx. — A.zambesiacus, Baker 

 ex Giirke in Engl. Pfl. Ost-Afr. C. 348. 



Mozamb. Bist. Portuguese East Africa : Quiliniane, Scott ! Makua ; Namuli 

 Hills, Last ! Unanjru to Lake Shirwa, Johnson, 28 ! British Central Africa : 

 Nyasaland; Shire Highlands, Buchanan, 87! Manganja Hills, 3000 ft., Kirk! 

 Meller I near Blantyre, Last ! Mount Chiradzulu, 4000 ft., Whyte ! North N}asa, 

 Whyte ! and without precise locality, Buchanan, 403 ! 424 ! 



20. A. prsealtus. Briquet in Engl. Jahrh. xix. 168. Perennial. 

 Stem erect, much-branched, 3-4 ft. long^ slightly hairy. Leaves distant, 

 petioled, oblong, crenate, subcoriaceous, subscabrous above, bristly with 

 raised veins beneath, 2-3 in. long. Heads many, laxly corymbose ; 

 globose, \-\ in. diam. ; basal bracts small, ovate, green ; flower-bracts 



