Acrocephalus.^ cii. labiate (baker). 857 



3 heads on long leafless peduncles. Leaves only a single pair at the 

 middle and another at the fork, lanceolate, sessile, subcoriaceous, 

 nearly glabrous, obscurely toothed, the central pair 2-3 in. long ; bti^al 

 leaves narrowed into a short petiole. Heads globose, \-^ in. diani. ; 

 basal bracts small, ovate, green ; flower-bracts orbicular-cuneate, very 

 hairy, J in. long and broad. Calyx \ in. long; lips oblong. Corolla 

 twice as long as the calyx. 



Iiower Guinea. Angela : province of Huilla, Welwitsch, 5608 ! 5609 : 5610 ! 



0. A, cyliudraceus, Oliv. in Trans. Linn. Soc. xxix. 135, t. \,V1. 

 Annual. Stems erect, much-branched, 3 ft. long, slightly pubescent 

 upwards. Leaves shortly petioled, oblong-lanceolate, obscurely crenate, 

 pubescent on both sides, 1-2 in. long. Heads numerous, laxly corym- 

 bose, oblong, \ in. diam., with 2-4 small ovate green bract-leaves at the 

 base ; flower-bracts pale green, orbicular-cuneate, \ in. broad. Calyx 

 densely hairy, finally \ in. long ; lips as long as the tube. Corolla more 

 than twice as long as the calyx ; lips short. — Briquet in Bull. Soc. Bot. 

 Belg. xxxvii. 76. A. verhenaceus, Vatke in Linna?a, xl. 178. 



Nile Iiand. British P^ast Atrica : Unyoro district, cultivated in beds near the 

 huts of the natives, Speke Sf Grant, 585 ! lluwenzori, 3300 ft., Scott-Elliot, 7602 I 



Iio-wer Guinea. Congo, Dew^vre, 993. 



XMLozamb. Sist. German East Africa : Lake district, Stuhlmann (ex Gurke). 

 Portuguese East Africa : Mainland, opposite Mozambique, Peters. 



Nearly allied to A. villosus, Benth., of Madagascar. 



7. A. oligocephalus, Baker in Kew Bulletin^ 1898, 160. Stem 

 slender, erect, 4-angled, finely and shortly hairy. Leaves shortly 

 petioled, lanceolate, 1-1 J in. long, crenate, narrowed from the middle 

 to the base, green and pilose on both surfaces. Heads few, globose or 

 oblong, J in. diam., remotely and laxly corymbose ; basal bracts ovate or 

 oblong, green to the base, hairy on both surfaces; pedunclei> long; 

 flower-bracts orbicular-cuneate, rigid, brown, hairy, the lower \ in. 

 broad. Calyx ^ in. long; lips obtuse. Corolla-tube as long at< the 

 calyx ; lips small. 



Mozamb. Dist. British Central Africa : Nyasaknd ; between Kondowe and 

 Karonga, 2000-6000 ft., Whyte ! and without precise locality, Buchanan, 593 ! 



8. A. porphyrophyllus. Baker. Stems densely clothed with 

 short spreading hairs. Leaves linear or lanceolate, sessile, denticulate, 

 hairy, especially beneath. Heads densely corymbose at the ends of the 

 branches, oblong or subglobose, J in. diam. ; bai>al bracts Itu-ge, ovat^?, 

 purple, pubescent ; flower-bracts orbicular-cuneate, very hairy, \, in. 

 long and broad. Calyx not protruded beyond the bract. Corolla not 

 seen. 



Mozamb. Bist. German East Africa: without precise locality, Hannitt^tun I 



9. A. Schweinfarthii, Briquet in Emjl, JaJirb. xix. 171. Stems 

 tall, branched; internodes short; branches clothed upwards with 



