Monechma.] xcviii. acanthace^ (clarke). 217 



^ in. long. Filaments glabrous; anther-cells round, one obliquely 

 above the other, short-tailed, tail of the lower cell of medium length, 

 terete, obtuse; pollen ellipsoid, without distinct tubercles. (Jvavy 

 glabrous when young ; style very thinly hairy. 



Mozamb. 3>iBt. British Central Africa : Nyasalnnd, 2000-7000 ft, W//i/te ! 



Twice collected ; examples at 6000-7000 ft,, hairy all over ; those at 2000-6(X)0 ft. 

 nearly glabrate. 



8. M. depauperatum, C. B. Clarke. Stem 3-5 ft. high ; branches 

 more or less angular and hairy. Leaves up to 3 by 1 in., elliptic- 

 lanceolate, subacute at either end, sparsely hairy or glabrate above, 

 hairy on the nerves beneath; petioles 0-J in. long. Spikes H-4 in. 

 long, elongated in fruit, terminal ; bracts | by \-\ in., elliptic or oblong, 

 obtuse or subacute, minutely pubescent, not margined ; bracteoles 0. 

 Sepals 5, subequal, \-\ in. long, linear-lanceolate, minutely pubescent. 

 Corolla I in. long, pale yellow (Barter). Filaments glabrous; anther- 

 cells ellipsoid, one much below the other, long-tailed, tail clavate sub- 

 bifid at the tip ; pollen ellipsoid, banded, with 2 stopples, one row of 

 depressed tubercles (scarcely more than patches) on each side of earh 

 stopple. Capsule nearly J in. long, 2-seeded, minutely pubescent to 

 the base; placentae not rising elastically ; seeds smooth, shining, with 

 scattered small simple white hairs. — Jicsticia depauperaia, T. Anders, 

 in Journ. Linn. Soc. vii. 40. ./. Barteri, T. Anders, in Journ. Linn. 

 Soc. vii. 39. J. sexsulcata, Lindau in Engl. Jahrb. xx. 67, and in 

 Engl. & Prantl, Pflanzenfam. iv. 3 B. 349. 



upper Guinea. Sierra Leone : Lomabnrn, Scott-Elliot, 5035 1 interior of 

 West Lugos, Rotoland ! Togoland, Biittner, 202! Lower Niger: Onitsa, Barter, 

 .592! 1380! 



9. M. scabridum, C. B. Clarice. Leaves often obtuse at the base, 

 minutely hairy on the lower face. Bracts margined, sometimes green 

 on the back, with scarious green-yellow prominent margins. Seeds with 

 more numerous hairs, sometimes densely hairy near the margins : other- 

 wise as J/, depaujyeratum. — Justicia scahrida, S. Moore in Journ. Bot. 

 1880, 310. J. marginata, Lindau in Engl. Jahrb. xx. 73, and in Engl, 

 it Prantl, Pflanzenfam. iv. 3 B. 349. 



ZiO\irer Guinea. Angola: Pungo Andongo, TTeZjt'iYscA, 5085 ! 5092! Malange, 

 Buttner, 33 ! 



Experienced botanists have united this in the herbarium with M. depauperatum. 

 I doubt much if it should be specifically separated. 



10. M. marginatum, C. B. Clarke. Leaves up to .") by U in., 

 narrowed at both ends ; petioles up to J-J in. long. Bracts ^ in. long, 

 or rather more, very acute, with broad scarious-yellow margins ; other- 

 wise as J/, depauperatum. — Nicoteha marginata, Lindau in Engl. Jahrb. 

 xxii. 119. 



Upper Guinea. Cameroons : Yaunde, Zenker Sf Standi, 556 ! 

 This is put in a different genus from the 3 preceding species by Lindnu on the 

 ground that there are no tubercles on the pollen. I think it is hardly specifically 



