ASCLEPIADEZ. LVIII. Arava. 
a.) Corolla campanulately urceolate (f. 20. b.) with 5 swellings 
outside at the base, and a corresponding number of cavities in- 
side; limb spreading a little, 5-cleft. Column inclosed. Sta- 
mineous corona of 5 leaves; leaflets cucullate, furnished each 
with a horizontal scale outside. Anthers terminated by a mem- 
brane; pollen masses pendulous, fixed by their tapering tops. 
Stigma ovate, 2-horned at the apex.  Follicles ovate, ven- 
tricose, bent downwards, semi-bilocular ; dissepiment or placenta 
covered with numerous lamellæ. Seeds comose, adhering to the 
lamellæ of the dissepiment.—Twining, herbaceous plants. Leaves 
opposite, cordate. Racemes interpetiolar, few-flowered, cymose. 
Flowers white. 
1 A. sERIcÓFERA (Brot. l. c. 
p. 62. t. 1.) leaves cordate, gla- 
brous, glandular at the top of 
the petioles ; racemes cymose, 
pendulous, few-flowered ; root 
creeping, h. ^. S. Native 
of Peru, from which place it 
was received by Brotero, under 
the name of Zpócynum Peru- 
viànum. Flowers white. (f. 20.) 
Silk-bearing Araujia.  Fl.? 
Clt. ? Shrub tw. 
2 A. A'LBENS; herbaceous ; 
leaves acute at the apex, cor- 
dately truncate at the base; 
white and pruinose beneath; 
flowers sub-dichotomously cy- 
mose. h.^.S. Native of Brazil, in the province of St. Paul. 
Physiánthus álbens, Mart. nov. gen. bras. l. p. 54. t. 32. 
Graham, in bot. mag. t. 3201. Lindl. bot. reg. t. 1759. Leaves 
tomentose beneath, and beset with fine scattered pili above. Co- 
rolla downy, white, with a tinge of red; tube length of calyx. 
Whitish-flowered Araujia. Fl July, Aug. Clt. 1830. Sh. 
twining. 
3 A. Mecapora’mica; twining, glabrous; leaves sagittately 
cordate, acuminated ; peduncles 1-flowered ; lobes of corona 
denticulated. h. ^. S. Native of Brazil, at Rio Grande. 
Physiánthus Megapotámica, Spreng. syst. add. p. 112. 
Rio Grande Araujia. Shrub tw. 
Cult. For culture and propagation see Ozypétalum, p. 148. 
FIG. 20. 
LIX. KANAMHIA (the plant is called Kanakk by the Arabs.) 
R. Br. in. mem. wern. soc. 1. p. 38.  Asclépias species, Forsk. 
Lin. syst. — Pentándria, Digynia. Corolla campanulate, with 
a 5-parted limb. Column half-inclosed. Stamineous corona, 
seated on the top of the tube of the filaments, 5-leaved ; leaflets 
thickened from the base, subulate, undivided. Anthers termi- 
nated by a membrane. Pollen masses ventricose, fixed by their 
apexes, pendulous. Stigma mutic. Follicles slender, striated. 
Seeds comose ?— An erect shrub, native of Arabia. Leaves 
opposite, flat. Peduncles interpetiolar, bearing at their apexes 
nnd ces fascicles; pedicels imbricate, unibracteate at the 
ase. 
_1 K.rawmiviüna. h. G. Native of Arabia Felix and Abys- 
sinia. K. Kánnah, Roem. et Schultes, syst. 6. p. 95. Asclé- 
pias laniflóra, Forsk. descrip. p. 51. Wahl, symb. 1. p. 23. t. 
7. Kanakk of the Arabs. Leaves 3 inches long, quite gla- 
brous, tapering to both ends. Leaves of involucrum subulate, 
unequal. 
Woolly-flowered Kanahia. Shrub. 
Cult. For culture and propagation see Calótropis, p. 147. 
LX. DIPLO'LEPIS (from ?Xooc, diploos, double ; and 
Aeric, lepis, a scale; leaflets of corona furnished each with a 
scale inside.) R.Br. in. mem. wern. soc. 1. p. 41. 
LIX. Kawana. 
LX. Dieroreris. LXI. HorosTEMMA. 149 
Lin. syst. — Pentándria, Digynia. Corolla with a short, 
urceolate tube; and a 5-parted limb.  Stamineous corona 5- 
leaved; leaflets obtuse, furnished with a scale each inside. An- 
thers terminated by a membrane. Pollen masses ventricose, 
fixed near their apexes, pendulous. Stigma mutic, elongated, 
undivided.  Follicles unknown. 
1 D. Menzie'str (Roem. et Schultz, syst. 6. p. 95.) 5 .^.? 
S. Native of Chili, near Valparaiso. ‘This is the only certain 
species of the genus. The Asclépias vomitória, Konig. mss. 
agrees with this genus in many respects, especially in the form, 
and insertion of the pollen masses; but differs considerably in 
habit, and in having a blunt stigma. 
Menzies's Deplolepis. Shrub twining ? 
2 D.? APicurA' TA (Lindl. in hort. trans. 6. p. 68.) leaves round- 
ish-elliptie, cordate, apiculated, shining, very villous, as well 
as the stems; stigma depressed. ^.^. G. Native of China. 
Flowers greenish. 
ZA piculated-leaved Diplolepis. Fl. Ju. July. Clt. 1821. 
Shrub tw. 
Cult. For culture and propagation see Oxypétalum, p. 148. 
§ 2. Gynostegium appendiculate. Corona simple, of one piece; 
having its tube sometimes furnished nith segments or keels in- 
side. Corolla sub-rotate. 
LXI. HOLOSTE'MMA (from óXoc, kolos, entire ; and oreppa, 
stemma, a crown ; the corona is almost entire.) R. Br. in mem. 
wern, soc. l. p. 42. — Asclépias species of authors. 
Lis. syst. — Pentándria, Digynia. Corolla subrotate, 5- 
cleft. Stamineous corona inserted in the gynostegium, simple, 
annular, obsoletely 5-lobed.  Anthers terminated by a mem- 
brane. Pollen masses pendulous, compressed, fixed by their 
tapering tops. Stigma mutic. Follicles ventricose, smooth. 
Seeds comose —Glabrous, twining shrubs. Leaves opposite, 
broad. Umbels interpetiolar, on short peduncles. Flowers 
showy, white. 
1 H. Rue’epm (Spreng. syst. 1. p. 851, Wall. pl. asiat. rar. 
2. p. 51.) leaves broad-ovate, cordate. 5. ^. S. Native of 
Malabar, Mysore, Samulcottah, and the Circars; also at Gual- 
para, and Kinour. H. A'da Kódien, Roem. et Schultes, syst. 6. 
p. 95. Asclépias annulària, Roxb. fl. ind. 2. p. 37. mus. ind. 
orient. t. 613. — Asclépias convolvulàcea, Heyne, herb. Cynan- 
chum annulàre, Heyne, herb. C. cordifolium, and C. grandifló- 
rum, Russ. herb. Sarcostémma annulàre, Roth. nov. spec. p. 
178. Roem. et Schultes, syst. 6. p. 115. Gomphocárpus volu- 
bilis, Hamilt. herb.  Corollas yellowish or whitish, tinged with 
red. Follicles smooth. 
Rheede's Holostemma. Shrub twining. 
2 H. rra‘crans (Wall. pl. asiat. rar. 2. p. 51.) leaves oblong- 
cordate: upper ones oblong-lanceolate, sagittately cordate at the 
base: lobes imbricating. h. ^. S. Native of the Burmese 
Empire, on mountains on the banks of the Irrawaddi, at Scendya, 
and Prome, also on mount Taong Dong, not far from Ava. 
Fragrani Holostemma. Shrub twining. 
3 H. rusERCULA TUM (Blum. bijdr. p. 1055.) leaves membra- 
nous, ovate, acute, deeply cordate at the base, paler beneath ; 
follicles tubercular. h.%.S. Native of Java, on mountains. 
Tubercular-follicled Holostemma. Fl. year. Shrub tw. 
4 H. murica‘tum (Blum. bijdr. p. 1055.) leaves membranous, 
ovate-oblong, acuminated, deeply cordate at the base, glauces- 
cent beneath; follicles muricated. h.™.S. Native of Java, 
on the mountains, where it is called 7japut tuhur. 
Muricated-follicled Holostemma. FI. Nov. Dec. Shrub tw. 
5 H. ræve (Blum. bijdr. 1055.) leaves coriaceous, oblong, 
acuminated, obliquely sub-cordate at the base ; follicles smooth. 
b.^.S. Native of Java, on Mount Salak, in shady places. 
Smooth Holostemma. Fl. Feb. April. Shrub tw. 
Cult. See Oxypétalum, p. 148. for culture and propagation. 
