364 cii. LABIAT.E (baker). [AcTocephcdua. 



texture. Fruit-calyx J-J in. long ; lobes very small. Corolla pro- 

 truding yV in. from the throat of the calyx. Stamens exserted. 



Soutli Central. Congo Free State : between Nyangwe and Kiinbundu, Togge^ 

 1014. 



34. A. angolensis, Giirke in Enijl. Jahrh. xix. 198. Stems 

 simple, erect, 3-4 ft. long, densely clothed with spreading hairs ; inter- 

 nodes very long. Leaves shortly petioled, oblong-lanceolate, acute, 

 3-4 in. long, 1-1 J in. broad, narrowed to the base, crenate, sparsely 

 villous on both sides. Heads few, subglobose ; outer bracts 3-4, rhom- 

 boid or lanceolate-deltoid, crenate, pilose on both sides ; flower-bracts 

 rhomboid-cuneate, twice as long as the calyx ; pedicels short. Flower- 

 calyx under a line long ; lobes round, glabreseent, ciliate. Corolla \ in. 

 long ; tube 3-4 times the length of the calyx ; lobes villous outside. 



Xiower Guinea. Angola : Malange, Mechow, 358. 



35. A. divaricatus. Briquet in Bull. Soc. Bot. Belg. xxxvii. 7G. A 

 tall branched perennial herb, with divaricate branches thinly clothed 

 with crisped hairs. Leaves shortly petioled, oblong, J-1 in. long, acute 

 or subobtusCj crenate, green and clothed with crisped hairs on both 

 surfaces.. Heads globose-cylindrical, reaching J in. long ; outer bracts 

 foliaceous ; flower-bracts broadly rhomboidal, \ in. long. Calyx finally 

 \ in. long, with a few spreading hairs ; lips both entire. Corolla pale 

 lilac ; tube ^ in. long ; lips shorter than the tube. Stamens exserted. 



]Lower Guinea. Congo, in marshes, Dewevre. 



36. A. paniculatxiSy Briquet in Engl. Jahrh. xix. 172. Stem 

 robust, branched, clothed with short adpressed firm hairs. Leaves 

 shortly petioled, oblong-lanceolate, 1J-2J in. long, J- J in. broad, sub- 

 acute or subobtuse, narrowed to the base, regularly and closely crenate, 

 green and slightly hispid on both surfaces. Capitula congested in heads, 

 which form a panicle J ft. long ; lower bracts like leaves in colour and 

 texture. Fruit-calyx \ in. long; lips ovate, entire, ^-J lin. long 

 Corolla and stamens not seen. 



South Central. Lunda : Mussumba, Pogge, 370. 



Imperfectly known species. 



37. A. Fischeriy Gurke in Engl. Pfl. Ost-Afr. C. 348. Branches 

 pubescent. Leaves lanceolate, acuminate, narrovted to a short petiole, 

 serrate, pubescent on both sides. Heads subglobose ; basal bracts 

 rhomboid-lanceolate. Fruit-calyx bilabiate ; upper lips subacute, lower 

 rounded at the apex. 



Moxamb. Slat. German East Afi-ica : Wadiboma (? Kwadiboma, near Mgera, 

 in Nguni district), Fischer, 503. 



