362 cii. LABiAT.E (baker). [Ad'ocej^halus. 



small. Corolla protruding J in. from the throat of the calyx ; lips very 

 small. Stamens exserted. 



Jto-wer Guinea. Angola : Malange, Mechoic, 431. 



25. A. dissitifolius. Baker. Perennial. Stem erect, 2-3 ft. long, 

 slightly pubescent upwards. Leaves distant, opposite, lanceolate, nearly 

 entire, subsessile, 2-3 in. long, much narrowed to the base, obscurely 

 pubescent. Heads few, corymbose, globose, \ in. diam. ; basal bracts 

 ovate or lanceolate, entirely green ; flower-bracts purplish, orbicular- 

 cuneate, slightly hairy, membranous, \ in. long and broad. Flower- 

 calyx hairy, shorter than the bract. Corolla under \ in. long. 



iMOvrer Guinea. Angola : province of Huilhi, Welivitsch, 5611 ! 



2G. A. mechowianus. Briquet in Engl. Jahrb. xix. 168. Stem 

 robust, branched ; internodes very long ; branches pubescent. Leaves 

 very shortly petioled, lanceolate, 3-4 in. long, |-1 in. broad, acuminate, 

 narrowed to the base, minutely crenate, rather scabrous above, paler 

 and pubescent below, with close raised veins. Heads very numerous, 

 corymbose, depresso-globose, J-i in. diam. ; basal bracts ovate-lanceolate, 

 J-^ in. long, green, rugose, clothed with white tomentum towards the 

 base. Flower-calyx J in. long ; lobes very small. Corolla protruding 

 ~ in. from the throat of the calyx ; lips \ li^- long. Stamens 

 exserted. 



Ziower Guinea. Angola : Malange, Mechoic, 144. 



27. A. Welwitschii, Briquet in Engl. Jahrh. xix. 169. Perennial. 

 Stems tall, much-branched, thinly clothed with short spreading bristly 

 hairs. Leaves distant, small, spreading, lanceolate, sessile, obscurely 

 crenate, hairy on both sides. Heads many in a corymb at the end of 

 the branches, globose, \ in. diam. ; basal bracts small, green, ovate or 

 lanceolate ; flower-bracts membranous, pale green, orbicular, ^ in. long. 

 Calyx densely hairy, as long as the bract. Corolla twice as long as the 

 calyx. 



JaO-wer Guinea. Angola : province of Pungo Andongo, Wehvitsch, 5549 ! 



28. A, sericeus, Briquet in Engl. Jahrh. xix. 170. Perennial. 

 Stems stiffly erect, much- branched, 1^-2 ft. or more long, densely 

 pubescent. Leaves congested into whorls, densely pubescent, lanceo- 

 late, entire, sessile, 1-3 in. long, narrowed to the base, pubescent on 

 both sides. Heads densely corymbose at the end of the branches, 

 globose, \-\ in. diam. ; basal bracts lanceolate, entirely green ; flower- 

 bracts green, pubescent, orbicular-cuneate, cuspidate, J in. long and 

 broad. Calyx as long as the bract. Corolla half as long again as the 

 calyx ; lips short. Style exserted, very shortly bifld. 



Iiower Guinea. Angola : province of Huilla, Welwitsch, 5551 ! 5603 ! 



21). A. hyptoides, Baker. Perennial. Stems much branched, 

 slightly hairy, decumbent. Stem-leaves lanceolate ; lower 5-6 in. long, 



