76 . SOUTH NIGERIAN PLANTS 
tubo calycem longe excedente sub limbo levissime amplificato 
puberulo ore dense pubescente lobis obovatis obtusissimis ; ovario 
oblongo glabro; stylo incluso piloso. 
Oban; n. 972. 
Leaves 2:5-3 x 1'7-2'2 cm., when dry olive-green above, grey 
below, nerves conspieuous on the underside, the reticulum very open ; 
petioles usually 8-15 mm. long.  Peduncles about 5 mm. long, 
pubescent. Flowers violet-blue. Calyx + 2 em. long, 6 mm. broad 
in the dry state, bright green; lobes 3 mm.long. Tube of corolla 
4:5 cm. long, 1 mm. broad below, at the mouth scarcely 2 mm.; 
lobes 8 x 6 mm. Fertile anther-cell linear-oblong, 1:8 cm. long. 
Ovary about 5 mm., style 8:5 cm. long. 
Recognised by the oblong calyx together with the very short leaves. 
The ovary of the flower examined having been partially destroyed 
by insects, the description of that organ may have to be corrected. 
There is a coloured drawing of this plant. 
Disehistoealyx ruellioides S. Moore sp. nov. Fruticulus 
ramulis tetragonis foliosis pubescentibus; foliis petiolatis ovatis 
obovatisve apice obtusissimis vel acuminatis basi acutis vel acumi- 
natis margine crenulato-undulatis membranaceis glabris ; floribus 
approximatis (inferioribus subdistantibus) breviter pedicellatis in 
racemum brevem pauciflorum digestis ; bracteis linearibus calyci 
saepe fere aequilongis ut calycis segmenta cystolithis albidis 
copiosissime praeditis ; bracteolis parvulis subulatis ; calycis 
segmentis posticis fere usque basin liberis omnibus elongatis 
linearibus acutis ; corollae majusculae glabrae tubo dimidio 
inferiore satis angusto superne dilatato lobis late obovatis rotund- 
atis tubo multo brevioribus ; staminibus inclusis antheris oblongis 
basi nequaquam divergentibus muticis connectivo breviter ex- 
currente; capsula cylindrica obtusa basi haud angustata circa 
24-sperma glabra. 
Oban ; nn. 885, 1527. 
Lamina of leaf up to 16 x 7 em., but usually less (youngest 
leaves 5 x 3-4 cm.), faintly shining, on either side thickly strewn 
with cystoliths; petioles 1-3 em. long. Inflorescences (corollas not 
included) 6-10 cm. long. Pedicels 2-3 mm. long. Bract mostly 
1-2 cm., bracteoles only 2 mm. long. Flowers blue-mauve. Calyx 
2*5 cm. long, the segments 1-1'5 mm. wide, posticous ones united only 
for 1 mm. Corolla 4-5 em. long; tube 3-4 mm. wide below, and 
8-11 mm. above; lobes about 12 mm. long. Filaments puberulous, 
5-7 mm. long. Anthers 4x 1 mm. Capsule t 2 cm. long, brown, 
faintly shining. Seeds suborbicular, dark, 1*5 mm. in diameter. 
A very distinct species, known at once by its narrow bracts and 
calyx-segments. D. togoensis Lindau has the segments of its calyx 
still narrower, but is in many other respects quite different. 
A North Cameroons specimen (imperfect) in the British Museum 
(Conran, sine no.), communicated from Berlin under the name of 
Dischistocalyx Buchholzii Lindau, appears to come very close to 
this. The Cameroons plant does not agree with the description of 
