204 XCVIII. ACANTHACEE (CLARKE), | Justicia. 
tubercles according to Lindau in Eng]. Jahrb. xviii. 64, t. 2, fig. 95). 
Capsule } in. long, clavate, glabrous ; seeds unknown.—Jacq. Eclog. 
Pl. t. 11; C. B. Clarke in Hook. f. Fl. Brit. Ind. iv. 532; Lindau in 
Engl. & Prantl, Pflanzenfam. iv. 3 B. 347, fig. 189, D, and in Engl. 
PA. Ost-Afr. C. 373. Gendarussa vulgaris, Nees in Wall. Pl. As. Rar. i. 
104, and in DC, Prod. xi. 410; Wight, Ic. t. 468. 
Mozamb. Dist. Zanzibar, Stuhlmann, 698! 1058! German East Africa: 
Usambara ; Tanga, Volkens, 146! Portuguese East Africa: Gorongoza, Carvalho ! 
The Zanzibar examples of this common South-Asian plant (now widely spread in 
warm countries) were probably introduced into Africa; it may be otherwise with the 
Tanga example. 
57. J. Rendlei, C. B. Clarke. Branch 34 ft. long, stout, 
nearly glabrous. Leaves 3 by 14 in., narrowed at both ends, nearly 
glabrous; petiole 3-14 in. long. Cymes axillary, short, 3-8- 
flowered, arranged in terminal panicles; floral leaves 4-1 in. long, 
resembling the lower leaves but smaller. Sepals 5, } in. long, linear- 
lanceolate, pubescent. Corolla 14 in. long; tube 4 in. long, rather 
thick ; lips broad, curved. One anther-cell transverse, the other below 
it, with a fine longish tail, or several short fine tails or nearly tailless ; 
pollen globose with 3 stopples, longitudinal smooth depressions very 
narrow and not reaching the poles, without rows of tubercles. Pistil 
glabrous.—Duvernoia speciosa, Rendle in Journ. Bot. 1896, 129, 411. 
Nile Land. Somaliland: Sheikh Husein, Donaldson Smith ! 
58. J. Preussii, ('. 2. Clarke. Stem 6-9 ft. high, with deflexed 
hairs. Leaves 5} by 2 in., elliptic, acute at either end, when young hairy, 
when mature hairy on the nerves of both surfaces; petiole }—} in. long. 
Inflorescence terminal, 6 by 1 in., a constricted linear panicle, grey- 
hairy; branches very short 1-4-flowered cymes, with a floral leaf at 
the base of each branch, } to ? in. long, elliptic, acute ; flower-bract 
scarcely $ in. long, linear. Sepals } in. long, equal, linear-lanceolate, 
grey hairy. Corolla 14 in. long, clear blue, hairy without ; tube 4 in. 
long; anticous lip }#-1 in. broad, with 3 short ovate lobes ; posticous 
lip 4 in. broad, oblong, nearly entire. Stamens 2 ; filaments glabrous; 
anther-cells 2, one completely below the other, elliptic ; upper oblique 
transverse, hairy, with a minute basal spur or muticous; lower 
distinctly spurred ; pollen ellipsoid, longitudinally banded, with one row 
of depressed tubercles on either side of each of the 3 stopples. Style- 
base hairy, tip very shortly and equally 2-fid. Capsule ? by $ in, 
thickly hairy, 4-seeded ; stalk 1 in. long ; seeds rugose.—/. spectabilis, 
T. Anders. MS. Salviacanthus Preussii, Lindau in Engl. Jahrb. xx. 79, 
and in Engl. & Prantl, Pflanzenfam. iv. 3 B. 351, fig. 107, G, 
fig. 141, A. 
Upper Guinea. Cameroons: Buea, 3000 ft., Preuss, 675! Cameroon 
Mountain, 2000 ft., Mann, 1298! 
This is separated generically from Justicia by Lindau on the ground that the 
upper anther-cell is sometimes shortly tailed, as is the case in several other species 0 
Justicia (as in J. simplicispica), 
