4 CONVOLVULACEJ;E. XIV. Irouaca. 
Ld 
peduncles 1-flowered ; tube of corolla cylindrical, elongated ; 
limb undivided ; bottom of stem, and underside of leaves, as 
well as the peduncles, muricated.—Native of tropical America. 
Perhaps a species of Quámoclit. 
Tubular-flowered Ipomoea. PI. twining. 
219 I. símPLEx (Thunb. prod. p. 36.) leaves lanceolate, 
entire; flowers solitary. h. ^. G. Native of the Cape of 
Good Hope. Conv. simplex, Spreng. syst. 1. p. 607. 
Simple Ipomcea. Shrub twining. 
Species only known by name. 
1 I. hispídula, Ledeb. ind. sem. hort. dort. 1822. p. 11.— 
2 I. supérba, Ledeb. 1. c.—3 I. Sinénsis, Fisch. cat. hort. gor. 
. 28. 
Cult. All the species of 7pome'a are very showy when in 
blossom, and much admired. The shrubby and perennial herba- 
ceous kinds require the same treatment as that recommended for 
Exogónium, see p. 264; and the annual species as those of 
Pharbitis, see p. 263. 
XV. JACQUEMO'NTIA (named by Choisy, after Victor 
Jacquemont, who lately travelled in the East Indies in search of 
objects of natural history, where he died.) Choisy, in mem. soc. 
phys. gen. 6. p. 476.—Convólvulus and Ipomoe'a species of 
authors. 
Lin. syst. — Pentándria, Monogynia. Calyx of 5 sepals. 
Corolla campanulate. Style one; stigmas 2, ovate, flattened. 
Ovarium 2-celled, 4-ovulate. Capsule 2-celled.—Herbs or 
sub-shrubs, natives of South America. 
1 J. cerv'txa (Choisy, l. c.) plant prostrate, rather creeping ; 
leaves ovate, emarginate, quite’ glabrous; peduncles equal in 
length to the petioles, twice trifid ; pedicels 1-flowered. 2%.S. 
Native of Guinea.  Convólvulus ccertleus, Schum. pl. guin. p. 
101. Root simple. The 3 outer calycine segments roundish, 
the 2 inner small. Corolla campanulate, blue, entire. Stigmas 
thickish, entire, recurved. Seeds naked. Said to be allied to 
Conv. ovalifolius. 
Blue-flowered Jacquemontia. Pl. prostrate. 
2 J. azw REA (Choisy, l. c.) stem, petioles, nerves, and mar- 
gins of leaves downy; leaves oblong-cordate; peduncles long, 
fasciculately many-flowered. %.? ^. S. Native of South 
America. Conv. azüreus, Rich. act. soc. hist. nat. par. p. 107. 
Desr. in Lam. dict. 3. p. 554. Stem rather villous at top. 
Leaves subsinuated, glaucescent beneath. Sepals acute. Co- 
rollas small, blue. 
Azure-flowered Jacquemontia. . Pl. tw. 
3 J. caprrA'TA ; pilose; leaves cordate, entire, acute; pedun- 
cles hardly longer than the petioles; flowers capitate, involu- 
crated; sepals narrow, lanceolate. ().? ^C. S. Native of Se- 
negal. Conv. capitatus, Desr. in Lam. dict. 3. p. 554. Leaves 
2 inches long, length of petioles. Peduncles bearing each a 
dense villous head of involucrated sessile flowers. Bracteas 6-7, 
‘unequal, length of calyxes. 
Capitate-flowered Jacquemontia. PI. tw. 
4 J. Micra’ NTHA; leaves cordate-oblong, mucronate, rather 
downy ; peduncles many-flowered, corymbose, short, somewhat 
verticillate. 2/.? ^. S. Native of St. Domingo, on hills, among 
rocks. Conv. micránthus, Desr. in Lam. dict. 3. p. 556. Pers. 
ench. 1. p. 177.—Burm. amer. p. 83. t. 94. f. 2.—Plum. mss. 2. 
t. 62. Stems slender. Leaves bluntish, mucronate. Corollas 
small, campanulate, purplish, deeply 5-cleft, ex Plum. Capsule 
4-celled ; seeds fulvous, angular, ex Desr. l. c. 
Small-flowered Jacquemontia. Pl. tw. 
5 J. NODIFLÒRA ; rather tomentose; leaves ovate or subcor- 
date; peduncles bifid, many-flowered, shorter than the leaves. 
5.^.8$. Native of the Island of Santa Cruz. Conv. nodi- 
283 
Vahl, eclog. 2. p. 14. 
XV. JacquzMoNTIA. XVI. Convotvutus. 
flórus, Desr. in Lam. dict. 3. p. 557. 
Pers. ench. 1. p. 177. Conv. albiflórus West, besk. over. st. 
croix. p. 271. Leaves hoary beneath, with a short acumen. 
Peduncles divided above the middle into many short branches ; 
bracteas subulate. Sepals scarious on the edges, equal, oblong, 
pale rusty, rather villous. Corollas white, campanulate ; limb 
5-cleft, crenulated. Corymbs 12-20-flowered. : 
Knot-flowered Jacquemontia. Shrub tw. 
6 J. penta’ntHA; glabrous; leaves ovate-cordate, acumi- 
nated, rather repand ; peduncles umbellately 5-flowered ; flowers 
nearly sessile; calyxes ciliated. 15. ^. S. Native of tropical 
America? Conv. pentánthus, Jacq. coll. 4. p. 210. icon. rar. 
2. t. 816. Willd. spec. 1. p. 855. Stem terete, glabrous. 
Leaves rather villous on the edges while young. Bracteas lan- 
ceolate, acuminated. Outer sepals larger, drawn out into a 
point, with reflexed sides: inner ones lanceolate, acuminated. 
Corolla campanulate, blue, with a paler star; lobes of limb 
roundish, acuminated. Lobes of stigma oblong. 
Five-flowered Jacquemontia. Shrub tw. 
Cult. Allthe species are free flowerers, and of easy cul- 
ture, requiring only common care. The annual species should 
be treated in the manner recommended for the species of Phar- 
bitis, see p. 263; the twining, shrubby species should be treated 
in the manner recommended for Calonjction, see p. 265. 
XVI. CONVO'LVULUS (from convolvo, to entwine; twin- 
ing habit of most of the species.) Choisy, in mem. soc. phys. 
gen. 6. p. 477.—9Convólvulus species of authors. 
Lin. syst. — Pentándria, Monogynia. Calyx of 5 sepals. 
Corolla campanulate. Style 1; stigmas 2, linear-cylindrical, 
often revolute. Ovarium 2-celled, 4-ovulate. Capsule 2-celled. 
—Herbs or sub-shrubs. 
Secr. I. OnrHocAv'/ros (from op0wc, orthos, straight; and 
kavAoc, kaulos, a stem; in reference to the stems being straight, 
never trining.) Stems erect or prostrate. 
l. Leaves entire, ovate-oblong, spatulate, l late, or linear. 
, * 
* Shrubby or herbaceous perennial plants. Peduncles 1-2-3-4- 
flowered. 
1 C. rLurRIcav'tis (Choisy, in mem. soc. phys. gen. 6. p. 477.) 
stems suffruticose, villous, many rising from the same root; 
leaves linear, dilated at apex, sessile, much crowded at the base ; 
flowers 2-3 together, axillary, nearly sessile; sepals linear, acu- 
minated, acute. X.S. Native of the East Indies, at Buxor, 
Hurdnear, Bhagulpur, and Vikram, on mountains in the south of 
Hindostan. Evólvulus ferrugíneus, Wall. cat. no. 1316. Conv. 
spiceefolius, Ham. herb. Stems simple. Leaves bluntish, vil- 
lous or ciliated. Flowers rising from the base to the top of the 
stem, forminga spike. Corolla glabrous, twice longer than the 
calyx. Every part of the plant is hairy. 
Many-stemmed Bind-weed. PI. 4 foot. 
2 C. MICROPHY'LLUS (Sieb. ex Spreng. syst. 1. p. 611.) stem 
branched, suffruticose at the base ; leaves linear, sessile, villous, 
as well as the branches, which are twiggy ; peduncles 1-flowered, 
about equal in length to the leaves; sepals acute. h. H. Na- 
tive of Egypt. 
Small-leaved Bind-weed. Shrub small. 
3 C. xnriNA'ckus (Ledeb. in litt. ex Meyer. verz. pflanz, p. 
102.) plant silky, stems much branched, shrubby at the base ; 
branches and branchlets very long and spreading ; leaves linear ; 
cauline ones elongated : of the branches and branchlets minute : 
peduncles solitary, generally 1-flowered, about equal in length 
to the bractless flowers; sepals elliptic, silky, as well as the 
5-cleft corolla. ^. H. Native of Caucasus in the loose sand 
00 2 
