288 



CONVOLVULACE^E. XVI. CONVOLVULUS. 



Edible-rooted Bind-weed. PI. creeping. 



4. Leaves pinnate, jagged, or palmate. Annual and peren- 

 nial plants. 



52 C. FLATYCA'RPOS (Cav. icon. 5. p. 55. t. 482.) stems pro- 

 strate, villous ; leaves pinnate : leaflets sessile, often 3-Iobed at 

 apex, cuneate at the base ; racemes terminal ; pedicels distant, 

 1 -flowered; sepals villous, nearly linear. O-?G. Native of 

 Mexico, about Chalma. Poir. suppl. 3. p. 472. Corolla campa- 

 nulate, twice longer than the calyx, scarlet, divided even to 

 the middle, into roundish segments, lined with green. Stamens 

 villous at the base, with red filaments and yellow anthers. 

 Stigmas subulate. Capsule roundish, compressed, 2-celled, 2- 

 valved, divided by a dissepiment. Seeds black, dotted, 2 or more 

 in each cell, fixed to the dissepiment. Perhaps a new genus. 



Broad-fruited Bind-weed. PI. prostrate.. 



53 C. LACINIA'TUS (Desr. in Lam. diet. 3. p. 546. exclusive of 

 p.) stems slender, terete ; leaves finely jagged, somewhat 

 bipinnate ; segments capillary, 2-3-cleft ; peduncles longer than 

 the leaves, 1 -flowered, rarely 2-flowered ; sepals ovate, obtuse, 

 mucronate, rather scarious. O- 1 G. Native near Monte 

 Video. Cav. icon. 5. p. 479. f. 2. Bracteas linear. Corolla 

 campanulate, white, twice as long as the calyx. Seeds black, 

 naked. Leaves similar to those of Qitdmoclit vulgaris, glabrous 

 or silky from pili. 



Jagged-leaved Bind-weed. PI. 1-2 feet. 



54 C. LASIA'NTHUS (Cav. icon. 5. p. 53. t. 479. f. 1.) stems 

 numerous, simple, prostrate, terete, tomentose; leaves palmately 

 jagged, tomentose : segments 7, unequal : middle one largest, 

 all pinnatifid; peduncles 1-flowered, longer than the leaves; 

 sepals concave, coriaceous, scarious, ovate, acuminated, very vil- 

 lous. O- ? G. Native of Chili, about Talcahuana. Poir. suppl. 

 3. p. 463. C. laciniatus, /3, Lam. diet. 3. p. 546. Bracteas 

 linear, acute. Corolla white, campanulate, nearly funnel-shaped, 

 villous outside ; segments of the limb obtuse, ending in a small 

 bristle each. Capsule globose. 



Woolly-flowered Bind-wind. PL prostrate. 



55 C. MULTIFIDUS (Thunb. prod. p. 35.) leaves palmate ; 

 lobes 7, linear, entire; peduncles 1-flowered; stems decumbent. 

 2. G. Native of the Cape of Good Hope. Willd. spec. 1. p. 

 877. 



Mullifid-leaved Bind-weed. Fl. June, Aug. Clt. 1822. 

 PI. dec. 



56 C. OBiusiLOBUs (Michx. fl. bor. amer. 1. p. 139.) plant 

 prostrate, glabrous; leaves thick, sinuately lobed ; lobes round- 

 ed, obtuse : the middle lobe large and emarginate ; peduncles 

 1 -flowered ; sepals oblong-oval ; corolla short, campanulate. 

 "H.. H. Native of Georgia and Florida, on the sandy beach. 

 Pursh. fl. amer. sept. 1. p. 144. Pers. ench. 1. p. 82. Lower 

 leaves sometimes not lobed, but repand. Calyx bractless, ex 

 Michx. 



Blunt-lobed-leaved Bind-weed. PI. prostrate. 



57 C. LITTORA'LIS (Lin. spec. p. 227.) stems creeping ; leaves 

 large, oblong, lobately palmate, fleshy; peduncles 1-flowered, 

 rarely 2-flowered, shorter than the leaves. l/.S. Native of 

 Crabe's Island, near Porto Rico, by the shore. Willd. spec. 1. p. 

 878. Desr. in Lam. diet. 3. p. 546. Plum. spec. 1. ed. 

 Burm. amer. 90. f. 2. Plum. mss. vol. 2. t. 5. Stems much 

 branched. Petioles rather long. Corolla rather large, white, 

 campanulate, with a spreading, somewhat fringed limb. Capsule 

 clothed with white silky villi. 



Sea-shore Bind-weed. PI. creeping. 



SECT. II. STROPHOCAU'LOS (from <rrpo0aw, strophao, to twist ; 

 and Kai/Xoc, kaulos, a stem.) Stems twining. 



1. Leaves sagittate or hastate, or cordately or sagittately 



hastate. 



58 C. ARVE'NSIS (Lin. spec. p. 218.) stems angular, striated ; 

 leaves sagittate, somewhat auncled ; peduncles usually 1-flow- 

 ered, bibracteate about the middle ; sepals ovate-roundish ; 

 corolla white or rose-coloured. y..^.H. Native throughout 

 Europe, in sandy fields, and by road sides ; as well as of China, 

 Cochinchina, some parts of the East Indies, and Persia ; and of 

 Virginia, in meadows ; very common in Britain. Willd. spec. 

 1. p. 844. Pursh, fl. amer. sept. 1. p. 144. on the authority 

 of Gronovius, fl. virg. p. 27. Smith, engl. bot. t. 312. Curt, 

 lond. fasc. 2. t. 13. Oed. fl. dan. t. 459. Bull. herb. t. 269. 

 Drev. et Hayn. t. 24. Hayn. term. bot. t. 12. f. 1. a. Plenck, 

 off. t. 104. Conv. Chinensis, Ker. bot. reg. t. 322. Conv. 

 Malcolmi, Roxb. in Wall. fl. ind. 2. p. 55. Conv. Mahur, Ham. 

 herb. Conv. divaricatus, Wall. cat. no. 1422. 1 and 2. Conv. 

 hastatus, Delisle, descr. segypt. p. 55. C. prostratus, Schmidt, 

 fl. boh. no. 195. Root creeping extensively under ground, 

 difficult to extirpate. Leaves smoothish. Bracteas in the middle 

 of the peduncles, or near their top. Flowers sweet-scented. 

 There is a variety with 2-flowered peduncles. Leaves varying 

 in shape, obtuse or acute, having the hind lobes also acute, 

 obtuse, or angular. 



Far. a, erectus (Ledeb. fl. alt. 1. p. 224.) glabrous; stem 

 erect, neither procumbent nor twining ; leaves hastately-trian- 

 gular : lobes acuminated, or 2-lobed ; peduncles mostly 2- 

 flowered, bibracteate, about equal in length to the leaves : hav- 

 ing one of the pedicels bracteate, and the other naked ; sepals 

 mucronate. T(.. H. Native of Siberia, on the stony banks of 

 the rivulet called Tinguriuk, and the river Katunga, to the 

 north ; but has not been observed elsewhere. Flowers rose- 

 coloured or white, with the margins reddish. 



far. ft, volubilis (Led. 1. c.) glabrous ; stems twining; leaves 

 sagittately triangular : hind lobes acute, 2-lobed at bottom ; pe- 

 duncles exceeding the leaves, mostly 2-flowered, bibracteate, 

 having one of the pedicels naked ; sepals roundish, mucro- 

 nate. If.. ^\ S. Native of Siberia, on mountains near Alexan- 

 drowsk. 



Far. y, vulgaris (Ledeb. 1. c. p. 225.) plant rather villous ; stems 

 sometimes erect, sometimes prostrate or twining ; leaves sagit- 

 tate or hastate ; lobes oblong : terminal one elongated, roundish, 

 and mucronate at the apex: lateral ones somewhat 2-lobed, or 

 somewhat serrated below ; peduncles exceeding the leaves more 

 or less, 1-3-flowered, bibracteate; pedicels bractless; sepals 

 roundish, ciliated, hardly mucronate. If. . ^. H. Native of 

 Siberia, frequent in fields. 



Far. S, angustatus (Ledeb. 1. c.) stems twining ; leaves has- 

 tate : lobes rounded at the apex : terminal one elongated, ob- 

 long, mucronate: lateral ones furnished with a straight stretched 

 out angle ; peduncles usually 1-flowered, longer than the leaves, 

 bibracteate above the middle ; sepals rounded at the apex, some- 

 what emarginate, sub-mucronate. i;.^. H. Native of Siberia, 

 in dry places ; at the rivers Ulegumen and Katunga. 



Far. f, sagittatus (Ledeb. I.e.) rather pilose; stems twining 

 a little ; leaves sagittate ; lobes broad-lanceolate : terminal one 

 mucronate; peduncles 1-flowered, bibracteate, equal in length 

 to the leaves; sepals sub-mucronate. Tf.. ^. H. Native of 

 Siberia, in dry places, very rare. C. sagittsefblius, Fisch. hort. 

 gorenk. 1810. p. 28. ? Bieb. fl. cauc. suppl. 3. p. 137- Gmel. 

 sib. 4. p. 96. no. 54. t. 48. f. 1. 



Corn Bind-weed. Fl. June, Sept. Britain. PI. tw. 

 59 C. EMARGINA'TUS (Link. enum. 1. p. 201.) leaves hastately 

 sagittate : hind lobes emarginate or bicuspidate ; peduncles ax- 

 illary, 2-3-flowered ; calycine segments ovate, acute, y. . ^\ H. 



