Isogloesa.] xvciii. ACANTHACEiE (clarke). -•^•> 



terminal (and also on short lateral branches), J-lJ by ^— J in., dense, 

 almost strobilate, softly white hairy ; bracts J in. long and broad, nearly 

 orbicular. Sepals 1 in." long, linear. Corolla-tube -/u- J in. long ; 

 anticous lip ^ in. long, broad-elliptic, subentire ; posticous lip ^ in. 

 long, oblong, subentire. Anther-cells muticous, one completely over 

 the other ; pollen globose compressed, with one stopple on each smooth 

 face. Pistil of the genus. 



Wile I.and. British East Africa : Man, 7000-8000 ft., Scott-Elliot, 6769 ! 



16. I. grandiflora, C. B. Clarke. Stem pubescent, glandular 

 upwards. Leaves up to 5 by 2 J in., acuminate at either end, when 

 mature minutely pubescent on the nerves beneath ; cystoliths numerous, 

 small ; petiole O-J in. long. Panicle terminal (leafy below), viscid with 

 many-celled gland-tipped hairs ; branches 2^ by J in. ; flowers in clusters 

 on the branches ; lower clusters distinct, upper running into a dense 

 spike; bracts \ in. long, oblong. Calyx ^-J in. long, divided nearly to 

 the base ; segments 5, subequal, linear, glandular-hairy. Corolla-tube 

 -^- in. long ; lips ^ in. long, subentire, rather broad, curved. Stamens 2 ; 

 filaments glabrous ; anther-cells linear-oblong, muticous, parallel, one a 

 very little below the other ; pollen lenticular, with one stopple on each 

 smooth face. Pistil glabrous ; style very shortly 2-fid. Capsuk 

 -|- in. long, flattened; stalk short, thick; seeds 4, with rough oblong 

 tubercles. — ?Jcteinanthus grandijioruSj T. Anders. MS. 



Mozamb. Bist. British Central Africa : Nyasaland; Shibisa (Chickwawa) to 

 Tshinmuze, 2000-4000 ft., Kirk ! Mount Sochi, Meller ! 



The corolla and the anthers of this plant are nearly those of Adhatoda, Beuth. 

 {Duvernoia, Lindau). The habit, leaves, bracts, pollen, and seeds are those of 

 Isoglossa. 



17.1. floribunda, C. B. Clarke. Upper leaves subsessile, minutely 

 pubescent. Panicle 17 by 5 in., terminal, nearly leafless, viscid-hairy, 

 repeatedly divided ; ultimate branches 3-4 in. long, on which the few- 

 flowered distinct clusters form long one-sided spikes ; bracts ^V ^"- ^o^&» 

 linear. Calyx xV~8 ^^- ^<^^gj segments 5, hnear, nearly free, viscous 

 hairy. Corolla-tube l in. long, much inflated in the upper half ; lips 

 \ in. long, subentire," rather broad. Stamens 2 ; filaments glabrous ; 

 anther-cells oblong, parallel, scarcely mucronate at the base, one slightly 

 below the other; pollen globose compressed, with a stopple in the centre 

 of either face. Pistil glabrous. Capsule J in. long, ellipsoid, com- 

 pressed, 4-seeded; stalk cylindric, solid, short; placenta not rising 

 elastically from the base of valves ; seeds rugose-tubercular 



XVSozamb. Blst. Portuguese East Africa : Lower Zambesi ; Shupauga, 

 Kirk ! 



The very compound large leafless mauy-flowered panicles has caused this plrxnt to 

 be referred doubtfully in the Herbarium to Ehin acanthus, from which genus tlie 

 shape of the corolla removes it. 



18. I. rubescens, Lhidau in Engl. Jahrb. xx. 57. Stem quad- 

 rangular, clothed upwards, as is the whole panicle, with hairs tipped by 



