Thunbergia. | XCVIII. ACANTHACEH (BURKILL). 27 
long, 1-14 lin. broad. Flowers on pubescent peduncles about #? in. 
long; bracteoles ovate, acute, pubescent, 5-nerved and keeled, about 
4 in, long when flowering. Calyx-teeth short, minutely pubescent. 
Corolla-tube # in, long; lobes } in. long. Anthers mucronate above, 
pilose below; the ventral pair with a short spur below on one lobe. 
Stigma funnel-shaped, triangular, barbellate. 
Mozamb. Dist. British Central Africa: Urungu; Fwambo, Carson, 85! 92! 
101! Stevenson Road, Scott-Elliot, 8298bis ! 
Var. graminea, Burkill. Leaves longer, up to 3 in. in length ; bracteoles glabrous. 
Mozamb, Dist. British Central Africa : Stevenson Road, 4000-5000 ft., Scoté- 
Elliot, 8392 ! 
d4. 'T. longifolia, Lindau in Engl. Jahrb. xvii. 91. Stem herba- 
ceous, glabrous. ‘Leaves linear, entire, glabrous, 9 in. long, 4 in. wide. 
Flowers solitary or two together, on short, glabrous peduncles ; bracteoles 
ovate, densely hairy, with four parallel veins, 7 lin. long, 4 lin. broad. 
Calyx very short, truncate. Corolla-tube 1 in. long; lobes 4 lin. 
long, deep violet. Anthers hairy below, with a spur above. Ovary 
long. Stigma funnel-shaped, triangular, barbellate, the posterior angle 
notched. 
Nile Land. British East Africa: Niamniam; north of the River Ibba, Schwein- 
Surth, 3965. 
3. ELYTRARIA, Vahl; Benth. et Hook. f. Gen. Pl. ii. 1078. 
Calyx 4-partite; segments unequal, the largest sometimes bifid. 
Corolla small, white or bluish; tube linear; limb 2-lipped; lobes 4, 
oblong, imbricate in bud. Stamens 2 perfect, attached in the corolla 
throat ; anthers elliptic, acute; cells 2, parallel, with or without a 
minute spur at the base. Stigma shortly 2-lipped ; ovules 6-10 in 
each cell, superimposed. Capsule ellipsoid, acute. Seeds minute, ovoid, 
reticulated, minutely papillose, attached at a minute point without 
retinacula.—Herbs with short stems. Leaves alternate, crowded, sub- 
radical, Scapes covered by imbricate bracts ; spikes close, rigid, simple 
or divided; bracts spirally imbricate, not opposite ; bracteoles smaller 
than the bracts.—7ubiflora, Gmel. Syst. 27. 
A small genus of about 3 distinct species, one of which is widely spread in Tropical 
frica and Asia. 
1. E. crenata, Vahl, Enum. i.106. Stem 0-5in., villous or pubes- 
cent. Leaves spathulate or oblanceolate, obtuse, rounded or rather 
acute, entire or sinuate towards the base, sometimes crenate, attenuate 
below, 2-7 in, long. Scapes several, 2-9 in. high, clothed with small 
bracts, often branched at base of the spikes. Spikes dense, 4-5 in. 
long. Bracts ovate, acuminate, ciliate, 2 lin. long. Bracteoles 2, 
lanceolate, pubescent. Calyx 2 lin. long, scarious; lobes lanceolate, 
acuminate, the posterior broader. Corolla 3-4 lin. long, white or 
pale blue. Capsule ovoid, 2 lin. long.— Klotzsch in Peters’ Mossamb. 
