* 
Desor. A scandent species, but to a moderate extent ; the base 
of the stem becoming fruticose in age, the rest is herbaceous, 
obtusely quadrangular, downy, as is more or less the whole plant, 
rooting occasionally at the joints, branched; dranches opposite. 
Leaves opposite, with short stout petioles, about half an inch long ; 
ovate or oblong-ovate, thick, fleshy, acute or subobtuse, downy 
on both sides, the margin entire or calloso-serrate, penninerved, 
dark-green above, paler beneath. Peduncles axillary, longer than 
the petioles, single-flowered. Calyx of five, deep, lineari-subu- 
late, erect segments, having at the base on one side.one or two 
soft spine-like teeth. Coro/la more than two inches long, dark 
flesh-colour, deep-red above, villous; the Je moderately curved 
and laterally compressed, tapering towards the base; Jimd of 
two very unequal /ips ; upper lip very large, three-lobed ; lateral 
lobes spreading, small, oblong ; intermediate one very large, for- 
nicate (of two combined ?) ; znferior lip small, reflexed, ligulate, 
with a little plication on each side at the base, which resembles 
a tooth. Stamens included, the anthers lodged within the cen- 
tral lobe of the superior lip. Ovary oblong, oblique, a little 
curved, villous, with a large fleshy gland applied to the superior 
base. Svyle as long as the stamens, slender, filiform. Stigma 
of two lobes. 
_ Fig. 1. Calyx and pistil. 2. Ovary and gland, seen from the back. 3. Side 
view of the same :—magnified. 
