238 xcviii. ACANTHACE^ (clarke). [EchoHum. 



C. E. striatum, Balf.f. in Proc. Roy. Soc. Edinh. xii. 89. Leaves 

 1^ by § in. (up to 4^ by 2 in. in Thomas, 11), ovate-elliptic or oblong, 

 obtuse at either end, glabrous; petiole \-l in. long. Spikes up to 5 by 

 \ in. ; bracts § by h in., more or less pubescent. Sepals \ in. long. 

 Corolla white {Thomas) ; tube h in. long, narrowly funnel-shaped nearly 

 from the base ; lips \ in. long, posticous broadly oblong and scarcely 

 emarginate. Anther-cells at equal height, linear-oblong, muticous, 

 divaricate at the base ; pollen globose, meridional smooth depressions 

 very narrow, not reaching the poles. Capsule hardly exceeding J in. in 

 length, hairy; stalk ] in. long; seeds 2, ovoid, discoid, \ in. in diam., 

 papillose-scabrous, without hairs. — Balf. f. in Trans. Roy. Soc. 

 Edin. xxxi. 22 G, t. 77 (excluding var. /3 minor, and left-hand plant on 

 t. 77) ; Lindau in Engl. & Prantl, Pflanzenfam. iv. 3 B. 338 ; S. Moore 

 in Journ. Bot. 1894, 137. 



Nile Iiand. British East Africa : Sabaki River, 1300 ft., Gregory ! Tana 

 River, Thomas, 11 ! 



Also in Socotra. 



7. E. barlerioides, Lindau in Engl. Jahrb. xx. 42. Younger 

 branchlets and leaves closely covered with minute hairs. Leaves up to 

 1| by § in., yellowish-green, narrowed at either end, obtuse, when 

 mature glabrate ; petiole \ in. long. Spikes terminal, strobilate, up to 

 2 by J in. ; bracts | by nearly J- in., obovate, acuminate, base narrow 

 cuneate. Calyx scarcely \ in. long. Corolla-tube |-§ in. long, sub- 

 cylindric or somewhat funnel-shaped at the top ; anticous lip 3-lobed ; 

 posticous oblong, scarcely emarginate. Pollen globose, with 3 broad 

 meridional bands continuous to the poles, and 3 large stopples. Capsule 

 1^ by \ in. ; 2-seeded, much flattened, minutely hairy to the base ; stalk 

 solid ; placenta) not rising elastically ; seeds large, much flattened, 

 tubercular-scabrous, not hairy. — Lindau in Engl. & Prantl, Pflanzen- 

 fam. iv. 3 B. 338, and in Ann. Istit. Bot. Roma, vi. (1890) 81. Isoglossa 

 barlerioides, S. Moore in Journ. Bot. 1877, 70. 



Nile Iiand. Eritrea : Keren, Steudner, 1503 ! Somaliland : Serrut Mountains, 

 Hildebrandt, 1401! Ahl Mountains, 1250 ft., Hildehrandt, 860a! Ganane River, 

 Riva, 1110! Schebele River, Donaldson Smith ! 



8. E. Anisacanthus, C. B. Clarke. Small woody shrub ; 

 branchlets terete, minutely and densely white-hairy. Leaves 1 J by J in., 

 narrowed at either end, densely and minutely hairy ; petiole 0-| in. 

 long. Spikes terminal. If by J in., 8-12-flowered, hardly strobilate; 

 bract J by \-\ in., elliptic, acute at either end, mucronate, minutely 

 and sparsely hairy ; bracteoles 2, linear, scarcely ^V in. long. Calyx 

 \-\ in. long ; sepals 5, united I their length ; two anticous often more 

 highly united so that the calyx is 2-lipped, sub-4-fid. Corolla-tube J in. 

 long, linear-cylindric ; limb 2-lipped, nearly as long ; anticous lip 3- 

 lobed ; posticous lip shortly 2-fid. Stamens 2, rudiments ; filaments 

 minutely scabrous-hairy; anthers linear-oblong, muticous, parallel at 

 equal height ; pollen subglobose, smooth, with 3 very narrow bands (on 

 which are stopples) not reaching the poles. Ovary glabrous ; ovules 



