Barleria.] ACANTHACE® (Clarke). 49 
8. B. acanthoides (Vall, Symb, i. 47); undershrub; branches 
6-30 in. long, canescent ; leaves 1-2 in. long, oblong-elliptic, mucro- 
nate, minutely hairy; petiole 0-1 in. long; interpetiolar spines }—3 in, 
long, rigid, simple or subpinnatifid ; racemes with 8-1 flowers, con- 
densed, unilateral; bracts as the interpetiolar spines; posticous 
sepal 3 by nearly } in., ovate, veined, slightly ciliate ; corolla white 
or pale blue (Schinz) ; tube 13-3 in. long, linear-cylindric nearly to 
the top; capsule } in. long, 4-seeded. Nees in DC. Prod. xi. 240; 
T. Anders. in Journ. .Linn. Soc. vii. 27 partly ; C. B. Clarke in 
Hook, f. Fl. Brit. Ind. iv. 484, and in Dyer, Fl. Trop. Afr. v. 
152; Lindaw in Engl. § Prantl, Pflanzenfam. iv. 3B, 314, and in 
kingl. Pfl. Ost-Afr. C. 369. B. acanthoides, var. lanceolata, 
Schinz in Verh. bot. Ver, Brandenb. xxxi., 199. 
Western ReGion: Great Namaqualand ; Gamochab, Schinz, 2! 
Frequent in Tropical Africa and India. 
9. B. elegans (S. Moore in Journ. Bot. 1880, 269) ; pubescent 
with simple hairs; branches 1-2 ft. long; leaves 2-3 by 
2-1} in. eutire; petivle 0-1 in. long; racemes 1-12 in. long, 2-8- 
tlowered, unilateral; bracts 3-1 by 2 in., linear-lanceolate, spine- 
toothed or subpinnatitid ; posticous sepal % in. long, elliptic, acute, 
marginal teeth many, strong, often 2 in. long; corolla blue, mauve 
or white (Galpin); tube 3-2 in. long, linear-cylindric, at the top 
narrowly funnel-shaped ; capsule 2 in. lony, 4-seeded. C. B. Clarke 
m Dyer, Fl. Trop. Afr. v. 154. B. pungens, var. macrophylla, 
Nees in DC. Prod. xi. 237. 
KaLanAri Reeion: Transvaal ; at Avoca, near Barberton, 1800 ft., Galpin, 
! 
Eastern Reeion: Natal; without precise locality, Gerrard, 1681 ! Delagoa 
Buy, Forbes ! 
Also in Tropical Africa, It must not be inferred from Nees’ synonym that 
this plant bears the slightest resemblance to By pungens. 
10. B. Gueinzii (Sonder in Linnea, xxiii. 91); branches 16 in. 
long, hairy towards the ends; leaves 1} by % in., ovate, shortly 
acute, entire, with simple hairs on both faces, base obtuse or rounded ; 
petioles 0-1 in. long; racemes 3-1-flowered 5 outermost bracts 4-3 in. 
long, linear, recurved, innocuous, hardly spinescent ; posticous sepal 
2~ in. long, ovate, membranous, nervose, margins innocuously spine- 
toothed ; corolla 14 in. in total length, bluish-purple (Galpin). 
T. Anders. in Journ. Linn. Soe. vii. 30. 
Coast Reeton: East London Div. ; East London, Flanagan, 1773! 
Kaauart ReGaion: Transvaal, Barberton, 3000 ft., Galpin, 842! : 
EAstrRN Reeion: Natal ; Coastland, 0-1000 ft., Sutherland / without precise 
locality, Cooper, 3026! Gueinzius, 383, 
Also in South Tropical Africa. 
11. B. barbata (E. Meyer in Diége, Zwei Pflanzengeogr. Documente, 
152, 168) ; petioles 1 in. long and upwards ; posticous sepal exceeding 
+ in, long, ovate-triangular, acute ; corolla 14 in. in total length ; other- 
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