5G ASNALA OP THE EOYAL BOTANIC GAJIDEN, OALCTJTTA.
6. UKONA DI6C0L0K, VM Sijmb. ii. 63, t. 36. A sprciidiiig slu-iib, , often also
climbing; young branches slender, sub-rugose, pubescent towards the tips.. Leader
membranous, oblong or oblong-lanceolate, acute, the base rounded; upper surface
glabi-ous, shining; tho lower glaucous, .glabrous, or pubcscent; main, nerves 8 to 10
pairs, sub-ascending, sUghtly prominent beneath; length 3 to 7-5 in., breadth 1 to 3 in.;
petiole about -So in. t h w a s solitary, extra-axillary, 2 to 2'3 in. long; peduncles 1
to 3 in. long, rather slender, pubescent, with a minute linear bracteole below the
middle, thiciming -when in fruit and lenticellate. SefaU OTate-lanceolato, spreading,
nearly glabrous, 4 to -0 in. long. Petah coriaceous, narrowly lanceolate, 2 to 2'á in.
long, gkbrous or sparsely adpressed-sci'iceous. Omrks oblong, hah-y. Stipm laterally
grooved. Jlife carpels numerous, stalked, -To to 1-ó in. long, glabrous or pubescent, the
constrictions between the 2 to 5 oval joints pubescent; stalks -23 in long. jDmml Am,,.
I H ; DO. Proir. i. 91; Wall. Cat. 6120 (joactt//); Roxt. FL Iiyi. ii. 669; W. f A.
I'rodr. 9; II. f . ^ T. Ft. Ind. 133; il/ij. FL Ind. Bat. i. f t . 2, 41; Beiiom Ic. I'l.
I,id. Or.', t. 51; Bl. Ft. Javm Amn. 53; A. SC. Mem. Anon. 28; Thwaites' Fnmn. 9;
Kurn For. FL Burm. i. 31; Book. fiL M. Ind. i. 39; Seheff. Oh. Phjt. Anm. 5;
Jfat Tijdsch. Ned. Ind. xxsi. 3; Ktn/ in Jnurn. As. Soe. Bengal 61, f t . 2, 44.—
U. cordifolia. Bout. FL Bid. ii. 602 ? - U . Dunalii, S. f . ^ T. FL Ind. 131 (the Concan
plant); Dais. ^ Gibs. FL Bsmh. 3 {not of Wallich).—U. Amherstiana, A. DC. Mem.
Inm. ' 2 8 . - U . biglandulosa, BL Bijdr. 16.~-U. Eoxburghiana, Wall Cat. 6423 B.—
U. Lesscrtiana, Dnnal Aim,. 107, t. 26; DC. Prod. i. 90.—Dosmos cbinensis, Lonr. FL
Coek. Ch. i. 352.
Of this variable and abundant species, Sn" Joseph Hooker distinguishes four
varieties as follows
VvK. 1, ftibiflora. Leaves 5-7 in., oblong, acute, base often cordate; flowers
álky.
VAK. 2, Imifjata. Leaves 3-4 in., oblong or lanceolate, acute, base rounded;
flowers almost glabrous. U. chinensis, DC. Prodr. i. 90.—U. undulata.
Wall PL ^s. Rar. iii. 42, tab. 265.—U. discolor, Dah. ^ Gibs. FL Bomb.
3 t. 265 ; Wall. Cat. 6428. Perhaps cultivated only in India; common
in the Arebipelago and China.
VAE. 3, fubescens. Loaves as in var. I, but densely pubescent beneath.
VAR. 4 Mifolia. Leaves 3-5 by 2-2-5 in., broadly oval, acute; flowers silky.
U. discolor and VAH. b, braateata, Bl. FL JaiK Anon. 53, i. 26 and 31^1.
From the base of the Eastern Himalaya, through the Assam range, to Buimah and
the Malayan Peninsula; in tropical forests. Distrib.—The Malayan Archipelago, Chinese
Monntains.
PLATE 74. tinona discolor, Tahl 1, Flowering branch; 2, branch with young FI-uit;
3, ripe f m i t - o / luitural sise; 4, anthers; 5, ripe fruit; 6, seed; 7, section of seed;
8, pistils—ejito-^fiti.
7. UsoxA viRimFLOBA, Bedd. le. PL Ind. Or. 34, t 138. A gigantic climber;
young branches slender, softly rufons-tomentose, the older glabrous and very lenticellate.
Leaves memb»noiis, ovate-lanceolate, acmninate, the base rounded; uppor surface
AX0SACE2E OP BEITISII ISDIA. 57
shining, spai-sely adpres,scd-pubcscent, ultimately glabrous, the reticulations minute, distinct;
lower paler (sub-glaucous), adpressed-pubcscent, especially on the midrib and nerves;
main nerves 9 or 10 paii-s, sub-ascending, cm-ving, prominent beneath; length 3 to
0-5 in., breadth 1-2 to 1'9 in.; petiole -15 to -25 in., nifous-pubescent. Flowers solitary,
extra-axillary, 1-5 to 2-3 in. long; pedicel slender, mfous-puboseent, 1 to 2 in. long,
with a large, broadly ovate, acmninate bract below tho middle. Sefals membranous,
nerved, broadly ovate-lanceolate, free, sub-cordate at tho base, -3 to -73 in. long!
PetaU membranous, bright green, naiTowly lanccolate, acuminate, reticulate, silkvpubescont;
the inner row smaller. Fruit unknown. Boole. f,L FL Br. Ind. i. 60.
Ti-avancore: on the Attramallee Ghat, elevation 4,000 iexil—Beddome.
PLATE lb. Unona viridifloi-a, Bedd. 1, Flowering branch; 2, flower dissected-o/
natural size. (Cofied from Col Beddom^s le. PL Ind. Or., t. 158.)
8. Ui-OXA nuMOSA, Roxl. FL Ind. ii. 670. A large bushy climbcr; young branches
slender, softly i-ufous-tomentose. Leaves membranous, broadly ovate to oblong-ovate,
obovate to oblanceolate-obleng, obtuse, sub-aeute or broadly nmcronatc ; the base rounded
or sub-cordate, or sub-cnneate; when young i-ufous-tomentose'on both sm-faccs; the uiiper,
except the midrib, giabrcsccnt when old; main neives 10 to 13 pairs, sub-ascending,
1-ather sti-aight; length 2 to 5'25 in., breadth 1-25 to 2-5 in.; petiole 'lo in. to l-o in.,
rufous-tomentose. Flowers solitaiy, leaf-opposed or exti-a-axillaiy, 3 to 2-5 in. long;
pedicels -5 to '75 in. long, nifous-tomentose, with a single ovate bract near the base.
Sefals coriaceous, cordate or ovate, sub-acute or acute, spreading, infous-tomentose, -4
in. long. Petals obovate-spathulate to broadly ovate-lanceolate, tapoiing to eaeli end,
vertically nerved, densely pubescent at first, less so when old; the inner row .smaller.
Rife earfels numerous, stalked, glabrous, -73 to M in. long, much constricted between
the 2 to 3 ovoid joints. Seeds sinning; the albmnen with transverse fibres. WalL Cat.
6429 ; IL / . i- Th. FL Ind. 131 ; Book. fiL FL Br. Ind. i. 59 ; King in .lourn. As. Soe.
Bmf/al 61, f t 3, 45.
Malacca,—il/iimira^/ [Keio Distrib.) Nes. 42 and 43. Vfirsk,—King's CoUeelor
Wray. Sylhct,—Roxburgh, Wallioli. Assam, — Simons.
The form which occurs in the Malayan Peninsula has narrower petals than that
which is found in Assam and Sylhct, and its leaves are more oblong and less ovate.
PLATE 76. Unona dumosa, Roxl. 1, Branch with ripe carpels; 2, yoimg tlower;
3, fidly developed flower (from Sylhet s])ecimcns); 4, flower (from a Perak specimen);
3, section of seed showing the albumen and embryo—o/ nOiturcil size ^ 6, anther • 7 & 8
pist ils—enlarged.
9. -UNONA LAWII, H. f . T. Fl Ind. 132. An erect shrub; young branches slender,
dark-coloured, with pale warts, the youngest puberaloiis. Leaves ovate to ovate-lanceolate
acute, the base rounded or slightly cimeate; upper surface glabrous, shining; the lower
8ub-glaucous, sparsely and minutely strigosc; main nerves 8 or 9 pairs, spreading, inconspicuous;
length 2-5 to 3-5 in., breadth 1 to 1'2 iu.; petiole •! to -2 in., pubescent. Fiowers
solitary, extra axillary, I'o to 2'5 iu. long; pedicels about 1 in., slender, sparsely strigose,
with a single ovate bract below the middle.. Sepak ovate-acuminate, spreading or reilesed
•So in. long. Fe/als with a narrowly linear pubescent limb, and a slightly expanded
ANN ROY. BOT. G.IED. CAI.CVTXA VOL. IV.