Calystegia. | CONVOLVULACEAE. 741 
2. CALYSTEGIA R. Br, !} 81° 
Prostrate or twining herbs, glabrous or nearly so. Leaves alternate, 
entire or rarely palmately lobed. Peduncles axillary, ltfiowered ; bracts 2, 
large, persistent, enclosing the calyx. Flowers usually large. Sepals equal 
or the inner slightly smaller. Corolla campanulate or funnel-shaped ; limb 
plaited, 5-angled or obscurely 5-lobed. Stamens included; filaments 
dilated at the base; anthers oblong. Ovary 1-celled or imperfectly 2-celled, 
4-ovuled ; style filiform; stigmas 2, ovate or oblong, flattened. Capsule 
subglobose, usually 1-celled. Seeds glabrous. 
A small genus of 9 or 10 species, scattered through the warm and temperate regions 
of both hemispheres. Of the 4 New Zealand species 2 are found in most extra-tropical 
countries, 1 extends to Australia, and the remaining | to South America and the Island 
of Masafuera. 
* Flowers large, 1-3 in. diam. 
Leaves 2—5 in., oblong-sagittate, sinus at the base narrow, deep... 1. C. sepium. 
Leaves 3-13 in., ovate- aoidate or deltoid, i a sinus at 
the base broad, shallow .. .. 2. C, tugurvorum. 
Stems, short, prostrate. Leaves 1-2 it in. across, ‘broader than long, 
reniform, fleshy, sinus at the base broad, shallow... .. 3 ©. Soldanella. 
** Hlowers smail, 4 in. diam. 
Leaves sagittate, basal lobes narrow, acute, diverging .. -. 4. CG. marginata. 
(F.) 
1. C. sepium,h. Br. Prodr. (1810) 483.— Rhizome long, slender, 
extensively creeping underground. Stems slender, twining, 3-6 ft. long. 
Leaves alternate.variable in_size_and. shane. 2-5 in. lone. oblong-sagittate 
: se with 
ous or 
Calystegia sepium, R.Br. | | ica 
ovate- 
{not—neteve-to Zs see ad Une (tS A = 2) seolate. 
= pletely 
Cunn. 
vol. 57, pe 62. (Ckn. & Allan), 4853) 
a 
probalst 4 Bae inine dice ek inpihtne oe Sp. 
KERMADEC IsLANDS, NortH AND Soutn Istanps: Abundant in lowland situations 
as far south as Canterbury, apparently local in Otago. | Pohue; Panahe ; Bindweed. 
November—March. 
Widely dispersed in most Jomperate countries, and everywhere highly variable. 
| Ire [ ) 
. C. tuguriorum.R. Br. ex Hook. f. Fl. Nov. Zel. i (1853) 183, t. 47.— 
Stems slender, prostrate or climbing, often clothing shrubs or trees to a 
considerable height, glabrous or puberulous. Leaves 3-14 in. long, broadly 
ovate-cordate or delt told, acute or obtusely acuminate, ‘entire or sinuate 
or angled, sinus at the base broad and shallow, elabrous, membranous. 
Peduncles usually longer than the leaves, terete or margined; bracts 
ovate-cordate or orbicular, apiculate, equalling the calyx and enclosing it. 
Sepals subequal, broadly ovate. Corolla large, 1-2in. diam., white. 
Ovary incompletely 2-celled. Capsule 4in. long, broadly ovoid, apiculate. 
Seeds yellowish-red.—Cheesem. Man. N.Z. Fl. (1906) 476. Convolvulus 
tuguriorum Forst. f. Prodr. (1786) n. 74; Hook. f. Handb. N.Z. Fl. (1864) 
198. C. truncatella Col. in Trans. N.Z. Inst. xxi (1889) 95. 
