158 CONVOLVULUS. 
the fan and air. Thefc put forth many twining branches; 
the leaves are foft like thole of marfti-mallow ; the 
flowers are produced at the joints on the tide of the 
ftalks, feveral together on the fame peduncle ; they are 
white, and fhaped like thofe of the common great bind¬ 
weed, No. 2. They are fucceeded by round capfules^ 
having three cells, which contain two feeds in each. 
Native of Malabar, of the illand of Ceylon, and of the 
Society and Friendly illes, and the New Hebrides, in the 
South Seas. 
24. Convolvulus grandiflorus, or large-flowered bind¬ 
weed : leaVes cordate, ovate, bluntifh, quite entire, pe- 
duncled, bearing about two flowers; calyxes coriaceous; 
item anti petioles pubefcent. Native of the Eaft Indies.- 
25. Convolvulus maximus, or great bindweed : leaves 
cordate, ovate, acuminate, quite entire, very fmooth ; 
Item and petioles very fmooth. Native of Ceylon. 
, 26. Convolvulus fpeciofus, or broad-leaved bindweed : 
leaves cordate, tomentofe-lilky on the lower furface ; 
peduncles longer than the petiole, umbellate; calyxes 
acute. Native of the Ealt Indies. 
27. Convolvulus trinervius, or three-nerved bind¬ 
weed : leaves cordate, oblong, fmooth, three-nerved; 
Item round ; peduncles one-flowered. Native of Japan. 
28. Convolvulus peltatus : leaves peltate ; peduncles 
many-flowered. Native of Amboyna and the Society ifles. 
29. Convolvulus jalapa, or jalap bindweed : leaves 
ovate, fubcordate, obtufe, obfeurely repand, villofe un¬ 
derneath ; peduncles one-flovyered. Native of South 
America, as at Xalapa between La Vei'a Cruz and Mexi¬ 
co. Dr. Houftoun brought fome of the roots to Jamaica, 
and planted them there, with a defign of bringing this 
ufeful plant into cultivation ; but they were neglefted 
and loft foon after he left the country. It was culti¬ 
vated here a few years before 1768 by Mr. Miller; and 
was introduced into Kew garden in 1778 by Monfieur 
Thouin. It is faid that the root was firft brought to 
Europe about the year 1610. The medicinal virtue of 
jalap refides in the relin. The powdered root is the part 
tifed. It is in general a I’afe and efficacious purge ; in 
large dofes it has been much celebrated as a hydragogue 
in dropfies. It is often preferibed in a compound form, 
as with cream of tartar, &c. Tire dofe of the fimple 
powder is commonly from one fcriiple to two. 
30. Convolvulus lericeus, or iiIky bindweed : leaves 
lanceolate-elliptic, tomentofe-filky underneath; pedun¬ 
cles lubumbellate ; calyxes hairy. Native of the Eaft 
Indies. Loureiro feems to have made a new genus of 
this under the name of argyreia. 
31. Convolvulus tomentofus, or woolly bindweed: 
leav-es three-lobed, tomentofe ; Item lanuginofe. Stem 
round, whitiffi, climbing twenty feet high ; leaves like 
the older leaves of ivy, an inch and a half in length and 
breadth. Native of Jamaica, China, and Cochin-china. 
32. Convolvulus althafoides, or mallow-leaved bind¬ 
weed : leaves cordate, finuate, filky, lobes repand; pe¬ 
duncles two-flowered. Root perennial, fending out many 
weak twining ftalks, about three feet high when fup- 
ported, and if not lying on the ground. It flowers from 
June to Auguft, but rarely ripens feeds in England. Na¬ 
tive of.the Levant, county of Nice, See. 
33. Convolvulus cairicus, or jagged-leaved bindweed: 
leaves palmate, fmooth, ferrulate; ftipules leaf-ihaped, 
palmate, axils tomentofe ; calyxes panicied, even. Na¬ 
tive, of Egypt; flowers in June and July. 
34. Convolvulus Copticus, or Egyptian bindweed: 
leaves pedate, ferrate; peduncles eniiform, two-flower¬ 
ed ; calyxes muricate. Native of the Levant. 
35. Convolvulus vitifolius, or vine-leaved bindweed: 
leaves palmate, five-lobed, fmooth toothed; Item hairy; 
peduncles many-flowered. Native of the Eaft Indies. 
36. Convolvulus difleflus, or disjointed bindweed : 
leaves palmate, feven-parted, tooth-iinuate, fmooth; item 
hairy; peduncles one-flowered. Native of America. 
37. Convolvulus macrocarpus, or long-fruited bind. 
w'eed : leaves palmate-pedate, five-parted ; peduncle* 
one-flowered. Native of South America. 
38. Convolvulus paniculatus, or panicied bindweed : 
leaves palmate, lobes feven, ovate, acute, quite entire; 
peduncles panicied. Grows in the fands of Malabar. 
39. Convolvulus macrorhizos: leaves digitate in fevens, 
quite entire; ftem fmooth; peduncles throe-flowered. 
Native of America. 
40. Convolvulus quinquefolius, or fmooth five-leaved 
bindweed : leaves digitate, fmooth, toothed; peduncles 
even. Native of Jamaica. 
41. Convolvulus pentaphyllus, or hairy five-leaved 
bindweed : leaves digitate in fives, hairy, quite entire ; 
fiem. hairy. Annual; native of the Weft Indies; flowers 
in Auguft.and September. 
42. Convolvulus Martinicenfis : leaves elliptic ; ftem 
creeping, fomewhat twining. Native of Martinico. 
II. S.tem not twining. 43. Convolvulus fpinofus, or 
prickly bindweed: fhrubby, eredl; leaves lanceolate, 
filky; flower-bearing branchlets, thorny. Obferved by 
profeffor Pallas on the fandy hills by the river Irtis, in 
Siberia. 
44. Convolvulus ficulus, or fmall-flowered bindweed: 
leaves cordate-ovate; peduncles one-flowered; bradtes 
lanceolate; flowers feffile. This is an annual plant, 
rifing about two feet high, with flender twining ftalks. 
The flowers are fmall, of a bluifh colour, and have lit¬ 
tle beauty. Native of the fouth of Europe, and flowers 
in June. 
45. Convolvulus pentapetaloides, or five-petallecl 
bindweed : leaves lanceolate, obtufe, naked, marked 
with lines; branches declining ; flowers folitary, half 
five-cleft. Native of Majorca, and annual. 
46. Convolvulus lineatus, or dwarf bindweed : leaves 
lanceolate, filky, marked with lines petiolate; pedun¬ 
cles two-flowered ; calyxes filky; fomewhat leafy. Stem 
from four to fix inches high, proftrate, flexuofe; the 
flowers are produced on the fide and at the top of the 
ftalks, in fmall clufters, fitting clofe together; they are 
of a deep rofe-colour; the root is perennial and creep¬ 
ing. Native of the coafts of France, Nice, Spain, and 
Sicily. 
47. Convolvulus cneorum, or filvery-leaved bind, 
weed : leaves lanceolate, tomentofe ; flowers umbelled; 
calyxes hirfute ; ftem eredt. Stems fhrubby, upright, 
about three feet high ; the flowers are produced in cluf¬ 
ters at the top of the ftem, fitting very clofe; they are 
of a pale -rofe-colour, and come out in June and July, 
but do not perfect feeds in England. Native of Spain,, 
Italy, Sicily, and the Revant. 
48. Convolvulus cantabrica, or flax-leaved bindweed : 
leaves linear-lanceolate, acute, hairy ; lower peduncles 
longer than the leaves, bearing about tw r o flowers; ca- 
lyxes oblong-lanceolate, hirfute. Root perennial, about 
the thicknefs of a quill, of a dirty brown colour, run¬ 
ning deep into the ground ; ftems feveral, annual, hir¬ 
fute, round, half a foot high or more, flender. It varies 
much in flze, (Mr. Miller fays it is from two to three 
feet high ;) but it may eafily be known by its ftraight 
ftem a little inclined, its villofe white leaves and calyx, 
and pale purple flowers rolled in a fpiral. It is fond of 
warm rocky iituations. Native of the fouth of Europe. 
49. Convolvulus dorycnium : leaves fublinear, filky; 
ftem fhrubbyrfh, panicied ; calyxes almoft naked, obtufe. 
Native of the Levant. 
30. Convolvulus fcoparius, or broom bindweed: leaves 
linear, fomewhat hairy; peduncles bearing about three 
flowers; calyxes filky, ovate, acute; ftem fhrubby; 
branches wand-like. Root perennial, fending up feveral 
crcf't branching ftalks about two feet high. The flowers 
come out fingly on the fides of the ftalks, fefiile, of a pale 
blueifh colour, and fpreading open almoft to the bottom. 
It has the appearance of broom, not of convolvulus. 
Stem round, and very fmooth : the wood is white and 
hard, with radiating .ftreaks.j when feraped, it has the 
frnell 
