ASCLEPIADEZ. 
H. Native of Kinour, Royle. 
short, thick, and abrupt. 
Kinour Cynanchum, Pl. 
38 C. Arnortia‘num (Wight, l. c.) herbaceous, erect, gla- 
brous ; leaves oblong-oval, obtuse or emarginate, mucronate, on 
short petioles ; umbels sessile, many-flowered ; corolla brownish 
purple outside, 5-cleft; segments beset with white hairs inside; 
corona deeply 5-cleft, equal to the gynostegium : segments ob- 
tuse, separated by broad recesses; pollen masses fixed beneath 
their apexes ; stigma apiculated. %. H. Found by Mr. Royle, 
on his journey to Cashmere. The colour of the flowers will 
readily distinguish this from other allied species. 
Arnotts Cynanchum. PI. 
39 C. na`num (Hamilt. herb. no. 765. Wight, and Arnott, 1. 
c. p. 59.) herbaceous, erect, glabrous ; leaves on short petioles, 
linear-acutish, sub-auriculated at the base; umbels almost ses- 
sile, many-flowered, involucrated ; corolla rather large, 5-parted: 
segments obtuse; corona deeply 5-cleft, equalling the gynos- 
tegium: with obtuse segments; pollen masses fixed by their 
apexes; stigma apiculated. Yy.H. Native of the East Indies, 
north of Camrupa, among reeds, Hamilt. Leaves 4-5 inches 
long, and 2-5 lines broad. 
Dwarf Cynanchum, Pl. dwarf. 
40 C.? Heynea‘'num (Roem. et Schultes, syst. 6. p. 101.) 
leaves oval, mucronate, ciliated at the base, as well as the pe- 
tioles, discoloured beneath, and reticulated; umbels few-flower- 
ed, length of the petioles; stems glabrous. h.%. S. Native 
of the East Indies. Periploca reticulata, Roth. nov. spec. p. 126. 
Heynes Cynanchum. Fl? Clt. 1825. Shrub twining. 
41 C. Sisiricum (R. Br. in mem. wern. soc. 1. p. 48.) stems 
decumbent, herbaceous ; leaves lanceolate-linear, opposite, or 3 
in a whorl; umbels on short peduncles ; corona deeply 5-cleft ; 
pollen masses fixed beneath their apexes; stigma an emarginate 
papilla; follicles ventricose. ^t. H. Native of Siberia and 
China. Asclépias Sibírica, Lin. spec. p. 315. Gmel. sib. 4. p. 
77. no. 21. Murr. comm. goett. 1779. p. 23. t. 7. Plant 
white from fine down. Flowers greenish white, smelling like 
those of the lime tree. 
Siberian Cynanchum. Fl. Ju. July. Cit. 1775. Pl. dec. 
42 C. prtosum (R. Br. in mem. wern. soc. 1. p. 46.) twining; 
leaves ovate, acutish, and are, as wellas the calyxes, hairy ; um- 
bels short; corona 10-cleft, length of the corolla; stigma termi- 
nated by a bifid point. 5.^. G. Native of the Cape of Good 
Hope. Ker. bot. reg. 111. Períploca Africàna, Lin. spec. 309 
exclusive of the synonymes. Thunb. prod. 1. p. 47. fl. cap. 2. 
p. 152. Andr. bot. rep. t. 557. Jacq. misc. 1. p. 13. t. 1. f. 3. 
—Commel. rar. t. 18.—Plukn. phyt. 37. t. 137. f. 4.—Morr. 
hist. 3. p. 611. sect. 15. t. 3. f. 62. The whole plant is hairy. 
Corollas purple ; corona white.  Follicles ventricose. 
Var. B; leaves flat, sinuate ; flowers pale green; follicles 
thick, glabrous. Burm. afr. t. 14. f. 2. 
Pilose Cynanchum. | Fl. Ju. Sept. Clt, 1726. Shrub tw. 
48 C. cnassrróriUM (R. Br. l. c.) twining ; leaves ovate, sub- 
cordate, obtuse, with a mucrone, fleshy, and are, as well as the 
calyxes, glabrous; umbels drooping, on short peduncles ; corona 
10-cleft, length of corolla; stigma terminated by a bifid point. 
h.^. G. Native of the Cape of Good Hope, in woods. C. ob- 
tusifolium, Lin. suppl. 169? Thunb. prod. 1. p. 46. fl. cap. 2. 
p.159. Flowers green? 
Thick-leaved Cynanchum. | Fl. ? Clt. 1818. Shrub tw. 
44 C. Carr'wsz (R. Br. l. c.) twining ; leaves ovate-cordate, 
obtuse, with a mucrone, and are, as well as the stems, glabrous; 
calyxes downy; corona 5-cleft, twice shorter than the corolla; 
stigma terminated by a bifid point. L.^.G. Native of the 
Cape of Good Hope. C. Capénse, Lin. suppl. 168.? Thunb, 
prod. 1. p. 47. fl. cap. 2. p. 159. Flowers white. ? 
VOL. IV. 
In this species the rhizoma is 
LXII. Cyxancnum. 153 
Cape Cynanchum. FI. July. Clt. 1820. Shrub tw. 
45 C. ra’tipum (H. B. et Kunth, nov. gen. amer. 3. p. 202.) 
twining, shrubby ; leaves ovate, acuminated, cordate, glabrous ; 
racemes pedunculate, equal in length to the leaves; calyx 
downy ; corolla campanulately rotate : segments oblique, obtuse ; 
corona 5-parted, with 3-lobed segments: the middle lobe elon- 
gated, longer than the gynostegium ; pollen masses fixed be- 
neath their apices by short stipes; stigma naked, convex. R. 
^, G. Native of Mexico, near Queretaro.  Asclépias foe'tida, 
Cav. icon. 2. p. 45. t. 158. descript. p. 135. Flowers greenish 
yellow, or white, fetid. Branchlets puberulous. 
Fetid Cynanchum. Fl. July, Aug. Clt. 1820. Shrub tw. 
46 C. vivpria‘rum (H. B. et Kunth, nov. gen. amer. 3. p. 
203. t. 234.) twining, shrubby, pilose; leaves ovate-cordate, 
sub-acuminated, pilose above, and puberulous beneath ; umbels 
sessile ; calyx pilose ; corolla sub-campanulate: with oblong, ob- 
tuse segments ; corolla 5-cleft, ciliately fringed in the sinuses: 
with bidentate segments, short; stigma terminated by capitate 
point, and densely beset with minute, clavate caruncles, equal 
to the corona in length ; pollen masses fixed beneath their apices. 
5.^.8. Native in shady places near Cumana. Metapléxis 
fimbriàta, Spreng. syst. 1. p. 854. Leaves membranous, on 
long petioles. — Calycine segments oblong, acute. ^ Corollas 
white, glabrous, with a red throat. 
Fringed-crowned Cynanchum. 
Shrub tw. 
47 C.? nz vx (Nutt. gen. amer. 1. p. 164.) stem erect, some- 
what sarmentose, marked with an alternating downy line ; leaves 
smooth, subcordate-ovate, acuminated : having the recess at the 
base nearly closed; margins and nerves minutely downy be- 
neath ; petioles very short; umbels interrupted, compound, on 
long peduncles; segments of corolla ovate-oblong, obtuse; 
corona cylindrical, retusely 5-toothed, nearly entire. 2. H. 
Native of North America. Gondlobus la'vis, Michx. fl. bor. 
amer. l. p. 119. Habit of C. vincetóxicum. Flowers small, 
greenish white. 
Smooth Cynanchum. Pl. erect, 
48 C. ANcusmIFÜLIUM (Nutt. gen. amer. 1. p. 164.) twining, 
smooth ; leaves narrow-linear, thickish ; umbels on long pedun- 
cles ; segments of corolla lanceolate; corona cylindrical, bluntly 
5-toothed. )2/. ^. H. Native from Carolina to Florida, in 
marshes. Ceropégia palüstris, Pursh 1. p. 184. Flowers small 
and greenish.  Follicles unknown. 
Narrow-leaved Cynanchum. PI. tw. 
49 C. HuwsorpriA'suw (Schultes, syst. 6. p. 105.) twining, 
shrubby ; branches furnished with 2 rows of down; leaves ob- 
long, acute at both ends, somewhat mucronate, glabrous ; umbels 
sessile; calyx rather downy; corolla campanulate : with oblong 
acutish segments ; corona 5-parted, with linear segments, rather 
Jonger than the gynostegium, and about equal to the corolla in 
length; stigma convex. h.%™.S. Native near Cumana. C. 
suberósum, H. B, et Kunth, nov. gen. amer. 3. p. 205. Bark 
of stems corky, white. Calycine segments oblong, acutish. 
Humboldt's Cynanchum. Shrub twining. 
+ Doubtful species ; the greater number of mhich do not probably 
belong to the genus. 
* Species natives of South America. 
50 C. TENE'LLUM (Lin. suppl. p. 168. Willd. spec. 1. p. 1253.) 
stems sub-herbaceous, twining; leaves ovate-oblong, smooth, 
small; umbels irregular, lateral, sessile, shorter than the leaves; 
follicles subulate, length ofa finger. %4. ©. S. Native of New 
Granada, Mutis. Leaves about the size of chickweed. Flowers 
about the size of a Galium. Stem filiform. Branches alternate. 
Slender Cynanchum. PI. twining. 
51 C. ruNA'LE (Poir. suppl. 2. p. 427.) stems filiform, twin- 
X : 
Perhaps a distinct genus. 
Fl. July, Aug. Clt. 1826. 
[n 
[s] 
pn — 
