706 BENGAL .PLANTS. ({Hxacum, 
Stems rather stout, hardly branching, usually considerably over a foot 
high ; leaves sessile, broad, lanceolate, 5-nerved; anthers *25 in. long :— 
Calyx-lobes keeled but hardly winged ; corolla-lobes blue...tetragonum. 
Calyx aia distinctly winged ; ; corolla-lobes white in lower, " ue in 
color. 
hy 
oe 
4 
upper par 
Stems very eee much-branched upwards, never over a oe “high, 
; calyx-lobes distinctly winged :— 
leaves subsessile, 3-nerve 
is tinnlateee 
usually 3-7 in. ; anthers ‘12 in. long 
Calyx-wings distinct; corolla-lobes blue ; 
Calyx-wings broad; corolla-lobes white or pale blue; leaves be ed, 
etiolare. 
5-nerved 
1280. Exacum TETRAGONUM Roxb.; F. I. i. 398; F. B. I. iv. 95; 
BODE 
In ae ns provinces 
An erect annual, 1-4 feet high. Hind. Ava-charayatah ; 
Beng. Kuchuri 
1281. ExacuM BICOLOR Rosh; F. I. i. 897; F. B. I. iv. 96; BE. D, 
‘ 
Orissa. 
An erect annual, 1-4 feet high. Vernac. Bara-chara-_ 
ah. 
ya 
1282. ExacuMm PEDUNCULATUM Linn. ; ; F. B. 1. iv. Cis ee 
1283, Exacum PETIOLARE Griseb.; F. B. I, iv. 98. 
Chota Nagp 
A slender ae 2-12 in. high. 
97. Erythrea L. C. Rich. 
Annual or ‘iebiind: erect, branching herbs; leaves opposite, 
sessile. Flowers Me or rose, in dense or corymbose, dichotomous 
cymes nnate in a tubular, 4-5-lobed cal lobes 
lanceolate or vies, keeled. Petals 5, rarely 4, connate in a short- 
tubed subrotate, or -tubed salver-shaped corolla ; uae 
preading, c Stamens 5, adnate to near throat ; 
8 ontorted 
filaments short, linear; anthers narrowly oblong, diaialig ea exse 
and usually at length spitaly twisted, sometimes hardly | sieve 
pees te connate in a 1-celled ovary, with 2 far-intruded placentas; 
es many ; style linear ; stigmas semicircular or oblong. Fru 
