Trichostachys. | LXX. RUBIACEZ (HIERN). 227 
leaves, oval or lanceolate stipules and small white flowers densely 
packed in globose or oblong terminal exinvolucrate heads. 
A genus limited to this Flora. 
Calyx-lobes ovate, shorter than the tube of the limb. 
Leaves glabrous, 12-l5in.long . . . . . . . . . 1. TZ. longifolia. 
Leaves shortly pubescent on veins beneath, 44-6 in. long . 2. 7. pettolata. 
Calyx-lobes lanceolate, equalling the tube of the limb . . . 8. TJ. aurea. 
Calyx-lobes linear-lanceolate, long-ciliate, longer than the tube 
ofthelimb . ..... 2... . 6... . 4 TZ. ciliata. 
]. ©. longifolia, Hiern. Stem or branches compressed above, 
nearly glabrous. Leaves oblanceolate, shortly and acutely acuminate, 
gradually narrowing to a subsessile base, glabrous, firmly chartaceous, 
12-15 by 34-41 in., lateral veins about 14-16 pairs, clearly marked 
beneath ; stipules oval, obtuse, undivided, 1-1} by $-} in., ciliate. 
Flowers 5-6-merous, }? in. long, numerous, crowded in dense subter- 
minal pedunculate globose heads of 4 in. diameter ; common peduncle 
1-2 in. long, densely hirsute-hispid, erect. Calyx about 2 in. long; 
limb tubular, with obtase ovate lobes. Corolla hairy inside on the lobes 
and shaggy at the throat; tube glabrous inside. Style glabrous. 
Upper Guinea. Gaboon River, Mann! . 
2. %. petiolata, Hiern. Stem or branches hairy above. Leaves 
obovate-oval, mucronate, somewhat narrowed towards the rounded 
petiolate base, chartaceous, glabrous above, shortly pubescent beneath on 
the midrib and about 9 pairs of lateral veins, 44-6 by 2-24 in.; petiole 
4-2 in, long, densely hairy ; stipules ovate-oblong, obtuse, nearly 2 in, 
long. Flowers numerous, densely packed in oblong terminal and sub- 
terminal pedunculate heads of 1-14 in. long. Calyx and corolla white. 
Calyx-limb 4—5-lobed ; lobes short, ovate, shortly ciliate. 
Upper Guinea. Cameroon River, Mann! 
3. ©. aurea, Hiern. 1-2 feet high. Stem or branches hairy 
above. Leaves obovate-oval, cuspidate-acuminate, wedge-shaped at 
the subsessile base, glabrous above except the hirsute midrib, firmly 
chartaceous, 34-6 by 2-31 in., margins ciliate, hairs golden, lateral 
veins about 9-11 pairs ; stipules lanceolate, 4 in. long, ciliate. Flowers 
pentamerous, small, numerous, crowded in dense ellipsoidal peduncu- 
late terminal heads 3 in. long. Calyx-limb half cleft; lobes lanceo- 
late, hairy. 
Upper Guinea. Sierra del Crystal, Mann / 
4. T. ciliata, Hiern. Stem short, terete below, hispid above. 
Leaves obovate, cuspidate-apiculate, strigose-hispid on both sides, 
gradually narrowed to a shortly petiolate base, 33-5 by 13-23 In., 
lateral veins about 6 pairs, inconspicuous ; stipules sheathing, } in. 
ong. Flowers pentamerous, numerous, very shortly pedicellate, in 
ense hemispherical terminal heads of 1-1} in. diameter. Calyx 
in. long ; teeth linear-lanceolate, long-ciliate. Corolla hispid on 
the lobes. 
Upper Guinea. Sierra del Crystal, Mani’! 
Q2 
