98 
ovaries. Stamens many, linear-oblong or cuueato, truncate; anther-cells 
dorsal, remote (small and ovoid in 0. glauca). Ovaries oblong, strigose ; 
style oblong or clavate, j eourved ; ovules 1-2, sub-basal, ascending. 
Ripe carpels 1-seeded, stalked. — Distrib. About 28 species, Asiatic and 
African. 
A genus of which the flowers have some resemblance to those of 
Goniothalamiis : but in this the inner petals are not contracted into a 
claw as in Qonzothulamus and the calyx in this is smaller and not 
persistent. 
Outer petals flat ... ... ... 1. 0. ajjinis. 
Outer petals concave. 
Pedicels slender, much longer than the flowers 2. 0.jUipt>x. 
Pedicels shorter than the flowers. 
Leaves oblong-elliptic, more or less obovate, 
blunt ... ... ... 3. 01 cuhjcina. 
Leaves oblong-clliptic to oblong-lanceolate 
or elliptic-lanceolate, not obovate, acute, 
or acuminate. 
Outer petals expanded and concave in 
the lower third ; the inner only one 
fourth as long as the onter, very 
acuminate,,. ... ... 4. 0, biylandulosa. 
Outer petals narrowly linear-lanceo- 
late, slightly cxpandod and concave 
at the very base ... ... 5. 0. glauca. 
I. Oxtmitra affinis, Hook. fil. and Thorns. PI. Br. Ind. I, 70. A 
spreading shrub or climber : young branches at first densely rusty to- 
mentose, afterwards dark- coloured and glabiws. Leaves membranous, 
elliptic to obloug-elliptic, sometimes slightly obovate, acute or very short- 
ly acuminate, rarely obtuse, the base rouiided or slightly narrowed ; 
upper surface shining, minutely scaly, glabrous except the pubescent 
midrib ; under surface slightly glaucous, pubescent especially on the 
midrib and nerves ; main nerves 8 to 14 pairs, spreading, ascending, 
rather prominent on the lower surface ; length 3 5 to 10 in., breadth 
1*25 to 4o in. ; petiole '3 in., tomentose. Flowers solitary, extra-axillary ; 
pedicels "25 to "4 in. Sepals slightly connate at the base, spreading, 
broadly ovate or orbicular-ovate, sub-acute, 3- to 7-nerved, adpressed- 
pnbescent, *5 in. long and slightly narrower than the base of the petals, 
persistent in the fruit. Petals flat, very unequal ; the outer thinly 
coriaceous, oblong-lanceolate, sub-acute, the midrib thick and with 
several strong sub-parallel nerves, adpressed- pubescent on both surfaces, 
1 5 to 175 in. long and '4 to 6 in. broad ; inner petals thickly coria- 
347 
