Hi/2)oestes.'\ xcviii. acanthace^e (clarke). 245 



Spikelets 1-5 together, laxly capitate. 



Leaves usually much exceeding \ in. in length. 

 Two outer bracts narrowly obovate, subequal . 

 Two outer bracts obovate, larger, unequal 

 Two outer bracts narrowly elliptic-oblong 

 Leaves \ in. long, obscurely toothed . 

 Inflorescences densely strobilate, compound . 



**Hkmi( VLJNDKis. — Two opposite bracts to spikelet con- 

 nate \-% their length into a tube (" involucre" of 

 Lindau). 

 Spikelets in short unilateral cymes, rather densely 

 approximate. 

 Bracts without long white hairs, glabrate or minutely 



scabrous hairy . . . . . . 12. ^. Forskalei. 



Stem and leaves minutely caneseent . . .13. 11. Ilildebrandtii. 



Pubescent. (Calyx larger, \ in. long) . . .14. H. mlanjensjs-. 



Bracts with (more or less numerous) spreading long 

 white hairs. 

 Leaves ovate or elliptic, narrowed on the petiole 15. H. verticillaris. 

 Leaves elliptic, long acuminate .... 16. H. PreussU. 



Spikelets in lax cymes ; cymes in compound panicles. 



Spikelets rather small ..... 17. H. violaceolincta. 



Spikelets \ in. long, mostly solitary and distant . 18. H. tamianyikensiy. 



1. H„ aristata, It. Br. Prod. 474. Small pubescent shrub, S-o(> in. 

 high. Leaves 1-2 by ^-1 in., ovate, narrowed at both ends; petiole 

 0-f in. long. Heads globose, axillary, distant, of numerous one- 

 flowered spikelets, frequently with reduced petioled leaves J in. long ; 

 upper heads not running into linear or oblong inflorescences. Spike- 

 lets with 4 free bracts ; 2 outer opposite, 4- in. long, oblong, with a 

 subulate scabrous tail \ in. long; inner bracts (bracteoles) lateral, 

 l-l in. long, oblong. Sepals nearly free. Corolla | in. in total length. 

 Filaments and style nearly glabrous. Capsule J in. long, glabrous ; 

 seeds 4, smooth. — Nees in DC. Prod. xi. 500 ; T. Anders, in Journ 

 Linn. Soc. vii. 4S ; Lindau in Engl, k Prantl, Pflanzenfam. iv. o B. 

 3S3, and in Engl. Pfl. Ost-Afr. C. ;)71. Justicia arisiata, Vahl, Syml). 

 ii. 2. 



Mozamb. I>ist. German East Africa: Kilimanjaro, ex Lindau; Ulncruru, 

 Stuhlmann, 9128 1 British Central Africa : Nyasaland ; Nyika Mouarains, 4000- 

 6000 ft., Whtfte ! 



Also in South Africa, 



2. H. antennifera, iS. .Uom-e in Journ. Bot. 1880, 41. Leaves up 

 to 4 by 2 in. Outer bracts A-1 in. long. Corolla 1 in. long or rather 

 more; otherwise as //. arisiata. — Oliv. in Trans. Linn. Soc. ser. 2, 

 iJot. ii. o4G; Lindau in Engl, c^' Prantl, Pflanzenfam. iv. 3 H. :{;;;], 

 :tnd in Engl. Pfl. Ost-Afr. C. 371. //. aristatu, var. macrophylla,. 

 Nees in DC. Prod. xi. r)10, //. plumosa, Drege, Zwei. Pfl. Docum. 

 153, 159, name only. 



Wile Xiand. British East Africa : Taita ; Ndi Mountain, llildehraudt, 2563 1 

 and Maungu Mountain, 2000 ft., Johnston ! Lykipia, 60<X>-80U0 ft., Thomson .' 

 VOL V * 



