126 
6 H. parvirtora (Wight, contrib. ind. bot. p. 37.) twining, 
glabrous ; branches slender; leaves fleshy, lanceolate, tapering 
at both ends; peduncles slender, about equal in length to the 
leaves, many-flowered ; corolla glabrous; leaflets of corona 
broad obovate, emarginate, or obcordate, with the inner angles 
acuminated, and lying upon the stigma, which is apiculated. h. 
^. S. Native of the Burman Empire, at Maulmeyne. Hoya, 
Wall. ascl. no. 33. 
Small-flomered Hoya. Shrub tw. 
* * Leaflets of corona flattish above, ovate or lanceolate. 
7 H. rv'sca (Wall. pl. rar. asiat. 2. p. 78. t. 175.) twining, 
glabrous ; leaves coriaceous, hardly fleshy, linear-oblong, acu- 
minated, transversely veined ; peduncles short, many-flowered ; 
corolla glabrous, with obtuse segments ; leaflets of corona ovate, 
obtuse: with the inner angles erect and attenuated, lying upon 
the stigma, which is apiculated. 5.^. S. Native of Nipaul 
and Silhet. The flowers are rather small, brownish coloured, 
and very numerous. Leaves 5-6 inches long, and 1 or 14 
broad. 
Brown-flowered Hoya. Shrub tw. 
8 H. Hooxeria‘na (Wight, contrib. ind. bot. p. 37.) twining, 
glabrous; leaves fleshy, oblong-lanceolate, 3-nerved ; pedun- 
cles short, many-flowered ; corollas small, glabrous, with obtuse 
segments ; leaflets of corona ovate, acute, with the inner angles 
short; stigma obtuse. h. ^. S. Native of Chittagong and 
Silhet. H. Nicobárica, R. Br. mss. is this or a very similar 
species. Leaves 6-10 inches long, and 1 or 14 broad. 
Hooker's Hoya. Shrub tw. 
9 H. NicoBA' nica (R. Br. herb. ex Trail, in hort. trans. 7. p. 
29.) umbels globose; flowers very numerous ; leaves ovate-lan- 
ceolate.  b.^. S. Native of the Nicobar Islands. 
Nicobar Hoya. Shrub tw. 
10 H. parasitica (Wall. ascl. no. 29. Wight, and Arnott, 1. 
c.) plant parasitical, climbing, radicant, glabrous; branches 
slender, terete ; leaves fleshy, glabrous, shining, finely 3-nerved 
at the base, oblong-lanceolate, attenuated ; peduncles almost 
twice as short as the leaves, many-flowered, sometimes twin ; 
umbels sub-globose; corolla glabrous, deeply 5-cleft; leaflets 
of corona ovate, acute, with the inner angles lying upon the 
stigma.  h.^.S. Native in the woods of Sundabund, at the 
estuary of the Ganges.  Asclépias parasitica, Roxb. fl. ind. 2. 
p. 42. and mus. ind. orient. t. 1382. H. pallida, Lindl. bot. 
reg. t. 951. H. acüta, Haw. rev. p. 4. H. lanceolata, Lindl. 
in Donn. hort. cantab. ed. 11. p. 92. H. álbens, Mill. brist. 
cat. 1826. Flowers fragrant, yellow; corona paler than the 
rest of the flower, purple in the centre. Leaves paler beneath, 
and darker above. 
Parasitical Hoya. Shrub tw. 
11 H. rrivz’rvis (Trail, in hort. trans. 7. p. 26.) stems slen- 
der, filiform; leaves variable in size, oblong, sharply acumi- 
nated, pale green beneath, and mottled with small brown spots, 
light yellowish green above, with 3 prominent veins; um- 
bels globose; segments of corolla sharp-pointed; the sides 
and ends of which are reflexed. h.%™.S. Native of China. 
Lodd. bot. cab. 936. Corollas pale greenish yellow, slightly 
scented, frequently mottled beneath with red. Corona of a pale 
- greenish white, with a yellowish tinge in the centre. 
Three-nerved-leaved Hoya. Fl. July, Aug. 
Shrub tw. 
12 H. ovarLrróriA (Wight, and Arnott, contrib. ind. bot. p. 
37.) twining, radicant, glabrous; leaves fleshy, oval, acuminated 
at both ends ; peduncles shorter than the leaves, many-flowered ; 
corolla downy inside; segments ovate, acute ; leaflets of corona 
oval, obtuse, with the inner angles short; stigma mutic. k. ^. 
S. Native of the Neelghery mountains, and Singapore. Hoya, 
Clt. 1824. 
ASCLEPIADEZ. XXIII. Hoya, 
Wight, cat. no. 1522. Wall. ascl. no. 31, 43,? and 45. 
is very nearly allied to H. parasitica. 
Oval-leaved Hoya. Shrub tw. 
13 H. Arnortia‘na (Wight. contrib. ind. bot. p. 37.) twining, 
glabrous, radicant ; leaves fleshy, broad-ovate, acuminated; co- 
rolla downy inside : with orbicular, cuspidate segments ; leaflets 
of corona oval, somewhat acuminated, with the inner angles 
short; stigma mutic. h. ^. S. Native of Nipaul. Hoya, 
Wall. ascl. no. 35. 
Arnott's Hoya. Shrub twining. 
14 H. cymnantue RA (Wight, l. c.) leafless; epidermis of 
stem smooth and shining; umbels many-flowered, on short pe- 
duncles ; flowers small; leaflets of corona ovate ; tops of anthers 
membranous, pellucid, very narrow, hardly touching the pollen 
masses. h.^.S. Native of the East Indies. Wall. ascl. no. 
145, without a name. 
Naked-anthered Hoya. 
This 
Shrub tw. 
* * * Leaflets of corona convex above, oval, or ovate, with 
revolute edges. 
15 H. Brunonia‘na (Wight, l. c.) twining, glabrous ; branches 
obsoletely tetragonal; leaves fleshy, oval-oblong, acuminated ; 
corolla rather fleshy, glabrous outside, bearded inside ; leaflets 
of corona oval, acute, convex above, with revolute edges. h. 
^, S. Native of the East Indies, Hoya, Wall. ascl. no. 37. 
Brown’s Hoya. Shrub twining. : 
16 H. carnosa (R. Br. in wern. soc. mem. 1. p. 27.) twining, 
glabrous; stems and branches terete ; leaves fleshy, oval-oblong, 
acuminated ; umbels pendulous, on short peduncles; pedicels 
pilosely pubescent; corolla fleshy, glabrous outside, but bearded 
inside; leaflets of corona ovate, acute, drawn out at top, convex 
above, with revolute edges ; membranes of anthers rather large, 
hiding the stigma, which is bluntly apiculated ; pollen masses 
pellucidly marginate onone side. h.™.S. Native of China, about 
Canton, as well as the tropical part of Asia. Asclépias carnósa, 
Lin. suppl. 1. p. 170. Sims, bot. mag. 788. Smith, exot. bot. 
2. p. 21. t. 70. Stapélia Chinénsis, Lour. coch. p. 165. Schóllia, 
crassifolia, Jacq. eclog. no. 2. Schóllia carnósa, Schrank. ex 
Steudel, nom. Flowers white, or pinkish, waxy as in the other 
species of the genus, and are much admired. 
Fleshy, or Common Hoya. Fl. Jul. Aug. Clt. 1802. Sh. tw. 
17 H. Pórsm (Trail, in hort. trans. 7. p. 25. t. 1.) stems 
slender, greenish brown, unequally covered with warts ; leaves 
cordate, acuminated, with a rusty stain partly spread over them, 
pale whitish beneath, light yellowish green above, with 3 princi- 
pal veins; umbels globose. h.™.S. Native about Macao. 
Flowers pale yellow, slightly downy, smelling like Heliotropium. 
Corona slightly purple in the centre. 
Pots's Hoya. El- Ju: Aug. Clt. 1822. Shrub tw. 
18 H. ausrra‘uis (R. Br. mss. ex hort. trans. 7. p. 27.) 
leaves from elliptic to obovate; corollas bearded ; leaflets of 
corona furrowed beneath. h.™.S. Native of New Holland, 
within the tropic. Hoya carnósa, R. Br. prod. p. 460. Flowers 
white, or pinkish. 
Southern Hoya. Clt. 1820. Shrub twining. 
19 H. cnassirórrA (Haw. suppl. pl. succ. p. 8. exclusive of 
the synon.) leaves petiolate, obovate, obsoletely spotted, bluntly 
acuminated, very thick. 5. ^. S. Native of the East Indies. 
Leaves 4 inches long, dark green above, and pale beneath. Very 
like H. carnósa, but the leaves are thicker, more obsoletely 
spotted. Branches warted, producing roots from the warts. 
Flowers unknown. 
Thick-leaved Hoya. Fl.? Clt. 1817. Shrub tw. 
20 H. raxcEona' TA (Wall. ex D. Don, prod. fl. nep. p. 130. 
Wall. ascl. no. 36.) twining, glabrous; stems slender, leafy ; 
leaves fleshy, lanceolate, acuminated at both ends; peduncles 
