Txora.] RUBIACER. 23 
and oblong, the lower ones on a 3-4 lin. long petiole, the floral and 
uppermost ones sessile with a more or less rounded or almost 
cordate base, shortly and bluntish acuminate or apiculate, ‘4-6 in. 
long, entire, thin-chartaceous, glabrous ; flowers rather small, white, 
shortly pedicelled, or those in the forks sessile, formmg glabrous, 
long-peduncled (peduncle 3-4 in. long), more or less trichotomously- 
branched, terminal, corymbose cymes furnished at the base with a 
pair of cordate sessile leaflets ; bracts small, lanceolate to linear ; calyx 
minute, only about } lin. long, glabrous, the teeth short, triangular ; 
corolla glabrous, the tube stiff, 5-6 lin. long, the lobes about § so 
long, oblong, blunt; style shortly exserted, the lobes spreading ; 
berries the size of a pea, globular or didymous, crowned by the 
minute calyx-limb, smooth. 
Has.—Not unfrequent in the tropical forests along muddy choungs from 
Martaban down to Tenasserim.—Fl. Feb. ; Fr. Apr.-May.—s. 
16. I, nigricans, R. Br.—An evergreen tree (20—25+12—15 
+4—1), or often only a large shrub, all parts quite glabrous and 
turning black in drying ; bark 2 lin. thick, smooth, blackish ; stipules 
shortly ovate, long and abruptly acuminate; leaves from obovate- 
oblong to oblong and oblong-lanceolate, more or less rounded at the 
base, on a very short (1-2 lin. long) petiole, bluntish or shortly acu- 
minate, 3-4 in. long, thin-chartaceous, entire, glabrous, turnin 
black in drying ; flowers rather small, white, on slender but short 
pedicels, forming a minutely puberulous or almost glabrescent, sessile 
or shortly peduncled, terminal, trichotomous, corymbose cyme usually 
furnished with a pair of small leaflets at the base; bracts small, 
linear-subulate ; calyx glabrous, about 4 lin. long, the teeth as long 
as the tube, lanceolate, acute ; corolla glabrous, the tube about $ in. 
long, the lobes linear-oblong, blunt or acute, nearly half as long as 
the tube ; style long-exserted ; stigmatic lobes filiform, spreading ; 
berries globular or didymous, the size of a small pea, crowned by 
the small calyx-limb, smooth. 
Var. 1, nigricans proper: corolla-lobes acute. 
Var. 2, erubescens: corolla-lobes blunt. 
Has.—Var. 2: common in the swamp forests and along swampy borders 
of lakes and choungs, 7 Pegu and Martaban down to Tenasserim.—Fl. 
y-—s.—S88.=All. 
a Lo laie one yellowish, rather heavy, coarse-fibrous, rather loose-grain- 
» SOLE. 
17. I. rosella, Kz—An evergreen shrub, all parts glabrous ; 
stipules ovate, acuminate; leaves from oblong-lanceolate to elliptically 
oblong, acuminate at the base, on a strong petiole }-1 in. long, 
shortly and rather abruptly acuminate, 6-9 in. long, entire, coria- 
ceous, glabrous, pale-coloured beneath, the lateral nerves thin an 
