796 BENGAL PLANTS. [Thunbergia. 
1501. THUNBERGIA GRANDIFLORA Roxb.; F. I. iii. 84; F. B. 1 
iv. 392, 
Behar; N. Bengal; Chittagong. 
A very extensive climber. Vernac. Nil-lata. 
688. Elytraria Vahi. 
Herbs, almost stemless ; leaves alternate, crowded, subradical. 
Flowers in close, rigid, simple or divided spikes; scapes covered 
by spirally piesa bracts; bracteoles small. Sepals connate in 
a 4-partite calyx; lobes unequal, the largest sometimes 2-fid. 
Petals 5, connate in a small, 2-lipped corolla; tube linear; lobes 
of limb oblong, imbricate. Siaconid 2, perfect, adnate to corolla- 
throat; anthers elliptic, acute; cells 2, parallel, with or without 
a ace ns basal spur. Disk small. Carpels connate in a 2-celled 
vary ; ovules 6-10, superposed in each cell; style short; stigma 
ities 2-lobed. Frwit an ellipsoid, acute capsule.. Seeds minute, 
ovoid, aguas oe papillose, attached by a minute hilum 
without retinaculum 
YTRARIA CRENATA Vahl; F. B. IL. iv. 394. Justicoa 
acaulis F. I. i. 
Chota apse 
An almost stemless herb. 
689. Nelsonia R. Br. 
Diffuse, softly hairy herbs; leaves opposite, elliptic, entire. 
Flowers in ovate or cylindric spikes; bracts ovate, glandular-villous, 
closely imbricate, alternate or s scattered ; bracteoles 0 
irally 
Sepals 4, apace lanceolate, shortly connate below, the larger 
often 2-fid. Petals 5, connate in a very small, purplish rose or 
white, 2- Boe Pa ; tube saga lobes obtuse, spreading. 
Stamens 2, adnate above middle e; anthers 2-celled, sub- 
included ; cells ellipsoid, somewhat pl discrete, glabrous or 
e, muticous or minutely spurred. Carpels connate in a 
2-celled ovary; ovules 8-10 in each cell; style slender; stigma 
shortly 2-lobed. Frwit an oblong, acute capsule i 
low, barren above. Seeds small, round or ellipsoid, moet: 
attached without retinacula. 
Flowering stems trailing scsassvees se campestris. 
Flowering stems suberect, all parts more hairy ...campestris var. vestite. 
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