a new Natural Order of Plants. 37 
5. DIDYMOCARPUS ELONGATA. 
D. herbacea erectiuscula didynama, foliis oppositis ovatis utrin- 
que acutis serratis, spicis axillaribus secundis, pedicellis 
binatis remotis, corolla elongata. 
Found on Pulo Bintangor, an island lying off the west coast of 
Sumatra. 
A small erect herbaceous plant, about half a foot high, pilose. 
Leaves opposite, petiolate, about five inches long, ovate, 
acute at both ends, serrated, papillous, and pilose with 
rather long hairs above, villous beneath with short hairs. 
Petioles chaunelled above, and ciliate along the edges of the 
furrow. Stipules none. Peduncles isdllervs solitary, bear- 
ing a unilateral spike rather longer than the leaf. Pedicels 
in pairs, each pair rather remote. Bracts linear, at the 
base of the pedicels. ‘Calyx five-cleft; lacini linear, acute, 
erect, tomentose, as well as the whole spike. Corolla tubu- 
lar, somewhat curved, white, with a purplish tinge, slightly 
tomentose without, bilabiate ; upper lip two-lobed ; lower 
rather elongated, three-lobed. Stamina four, didynamous, 
each pair connected by their anthers. Anthers two-lobed, 
reniform. Style shorter than the stamina. Stigma thickened, 
emarginate. Capsule long, - EE M pointed, two- 
valved, two-celled ; cells bipartite (pseudo-quadrilocular) : 
seeds attached to the revolute edges of the placentæ, which 
form the pseudo-partitions of the cells, numerous, small, 
not winged. 
Oss. The remotely flowered secund spikes, and the nearly tu- 
bular corolla with elongated lower lip, distinguish this from. 
all its congeners. 
6. DipyMocARPUS 
