294 



CONVOLVULACEjE. XVI. CONVOLVULUS. 



glabrous, ciliated. T? . G. Native country unknown. Corolla 

 white, with 5 hairy purple plicae outside. 

 Corky Bind-weed. Shrub tw. 



125 C. PILOSUS (Willd. act. am. nat. cur. berol. 4. p. 196.) 

 leaves roundish-cordate, acuminated, pilose above; peduncles 

 usually 3-flowered. % . ? ^. S. Native of the East Indies. 

 Stems hairy. 



Pilose Bind-weed. PL tw. 



126 C. EROSUS (Desr. in Lam. diet. 3. p. 558.) tomentose ; 

 leaves cordate-oblong, obtuse, erose ; peduncles length of 

 leaves, 2-flowered. %. ^. G. Native of Monte Video. 

 C. crenatus, ft. Lam. ill. no. 2073. Perhaps only a var. of 

 C. Hermdnnice. 



E rose-\ea.ved Bind-weed. PL tw. 



127 C. PLICA'TUS (Desr. in Lam. diet. 3. p. 559.) tomentose ; 

 leaves cordate, acute, angularly serrated, wrinkled, plicate ; pe- 

 duncles usually 2-flowered. 1|.' 1 . G. Native of the Cape of 

 Good Hope. This species is intermediate between C. crenatus 

 and C. eibsus. Stigmas elongated. 



Plicate-leaved Bind-weed. PL tw. 



128 C. VA'HLII (Roam, et Schultes, syst. 4. p. 280.) clothed 

 with rather silky tomentum ; leaves cordate-oblong, very blunt, 

 crenulated ; peduncles 1 -flowered, length of leaves ; sepals 

 nearly equal, oblong, acutish : 2 inner ones glabrous. 1 . ? 

 ^. S. Native of Brazil. C. crenatus, Vahl, symb. 3. p. 31. 

 Hind lobes of leaves straight, oblong, obtuse. Corolla one half 

 longer than the calyx, silky, with 5 villous lines outside ; lobes 

 bearded at apex. 



1'ahl's Bindweed. PL tw. 



129 C. RUPE'STRIS (Willd. spec. 1. p. 846.) glabrous, except 

 the undersides and edges of the leaves, which are finely pilose 

 when examined by a lens ; leaves oblong-lanceolate, acute, 

 bluntly cordate ; peduncles 1- flowered, nearly the length of the 

 leaves; sepals ovate, acute, rather pilose. Ij . ^. H. Native 

 of Siberia. Bracteas setaceous, in the middle of the peduncles. 

 Leaves 2 inches long. Corolla size of those of Conv. tricolor, 

 violaceous, flat, 5-plicate ; plicae downy outside. It differs 

 from C. Sibiricus, in the leaves not being acuminated, in the pe- 

 duncles being 1 -flowered, in the corollas being twice the size, 

 and violaceous. 



Rock Bindweed. Shrub tw. 



130 C. FRUTICULO'SUS (Desr. in Lam. diet. 3. p. 451.) gla- 

 brous ; stems terete : leaves linear-lanceolate, sub-cordate at 

 the base, on short petioles ; floriferous branches very leafy ; 

 peduncles longer than the petioles, but hardly the length of the 

 flowers. 1? . ^. G. Native of the Canary Islands. Bracteas 

 subulate, unequal. Calyx glabrous. Corolla small, with rather 

 deep segments, and 5 purple stripes. 



Shrubby Bindweed. Shrub tw. 



. 6. Leaves ovate or oblong, and lanceolate or linear. 



131 C. CHENOPODIOIDES (Desr. in Lam. diet. 3. p. 544.) vil- 

 lous ; leaves ovate, serrately sinuated ; flowers solitary, nearly 

 sessile ; sepals ovate, acute. If . ^. S. Native country unknown. 

 Leaves hardly an inch long. Bracteas small, filiform. Corolla 

 narrow, probably tubular. 



Goose-foot-like Bindweed. PL tw. 



132 C. TENE'LLUS (Desr. in Lam. diet. 3. p. 559.) stems fili- 

 form ; leaves oblong-elliptic, obtuse, mucronate, nearly sessile, 

 sometimes emarginate at the base ; peduncles longer than the 

 leaves. 2/ . ? ^. H. Native of Carolina, Eraser. Willd. spec. 

 1. p. 861. Plukn. aim. 114. t. 166. f. 4. Peduncles bearing 2 

 subulate bracteas at apex. Corolla small, campanulate. 



Tender Bindweed. PL tw. 



1 33 C. HAVANE'NSIS (Jacq. obs. 2. p. 45. f. 3.) glabrous ; 

 leaves oblong, shining; peduncles 1 -flowered, shorter than the 



1 



flower. I/ . ? / ~ l . S. Native of Cuba, about Havannah. Jacq. 

 amer. pict. t. 264. Lam. ill. 462. Vittm. summ. pi. 1. p. 435. 

 Stem much branched. Leaves obtuse, quite entire. Corolla 

 small, white ; tube hardly longer than the calyx ; limb erectish ; 

 segments long, acute, spreadingly reflexed. Anthers hastate. 



Havannah Bindweed. PL tw. 



134 C. GUIANE'NSIS (Aubl. guian. 1. p. 136. t. 52.) branches 

 terete, purplish, villous ; leaves oblong, and are, as well as the 

 calyxes, tomentose; peduncles elongated, villous; flowers capi- 

 tate; sepals acute. If. rN . S. Native of Cayenne and Guiana. 

 Vahl, symb. 3. p. 28. Desr. in Lam. diet. 3. p. 554. Corolla 

 small, white or bluish, larger than the calyx : lobes acuminated. 

 Stigmas reflexed. 



Guiana Bind-weed. EL June, Aug. Clt. 1820. PL tw. 



f Doubtful species. 



1 C. DIA'NTHUS (Gmel. spec. 1. p. 343.) leaves truncately 

 rounded at base ; peduncles generally 2-flowered. Native o'f 

 deserts, about Cairo. C. biflorus, Forsk. fl. aegypt. arab. p. 

 203. Delisl. descrip. aegypt. p. 55. 



Two-flowered Bind-weed. PL tw. 



2 C. BETONICIFOLIUS (Mill. diet. no. 20.) leaves cordate- 

 sagittate ; peduncles 1-flowered. Q.? ^ H. Native of the 

 North of Africa. Convolvulus exoticus betonicae folio, flore 

 magno albo, fundo purpureo, cat. hort. par. Peduncles long, 

 slender. 



Betony-leaved Bind-weed. PL tw. 



3 C. ROSEUS (Mill. diet. no. 18.) leaves cordate, acuminated; 

 peduncles 2-flowered. O-^. S. Native of Jamaica. Conv. 

 Americanus hirsutus, folio acuminate, flore amplo roseo, Houst. 

 mss. Petioles and peduncles very long. Calyx deeply parted. 

 Corolla large, rose-coloured. Seeds large, woolly. 



Rose-coloured-fiowered Bind-weed. PL tw. 



4 C. GLA'BER (Mill. diet. no. 11.) leaves ovate-oblong, gla- 

 brous; peduncles 1-flowered; calyx 10-parted. Q. rk . S. 

 Native of Barbadoes. Stems slender. Flowers large, purple. 



Glabrous Bind-weed. PL tw. 



5 C. ARISTOLOCHLEFOLIUS (Mill. diet. no. 9.) leaves hastately 

 lanceolate: auricles rounded; peduncles many-flowered. 0. 

 *"". S. Native of Carthagena. Flowers racemose, yellow. 

 Capsule trigonal, 3-celled ; cells 3-seeded. Perhaps a species of 

 Pharbllis. 



Aristolochia-leaved Bind-weed. PL tw. 



6 C. CYMOSUS (Thunb. ex Roem. et Schultes, syst. 4. p. 303.) 

 stem creeping ; leaves ovate-oblong, acute, mucronate, shining 

 but fulvous and tomentose beneath ; cymes sessile, terminal, 

 many-flowered; sepals acute, silky. 7. S. Native of Sierra 

 Leone. Conv. Senegambiae, Spreng. syst. 1. p. 610. 



Cymose-ftowered Bind-weed. PL creeping. 



7 C. SPH.EROSTIGMA (Cav. icon. 5. p. 54. t. 481.) leaves cordate, 

 acuminated, rather villous ; umbels pedunculate ; calyx hairy ; 

 stigmas twin, divaricate. Native of the Philippines. Corolla 

 campanulate, small, pale red : lobes acute. Capsule 4-valved, 

 2-celled ; cells 2-seeded. Perhaps a species of Ipomcea, or a 

 new genus. 



Round-stigmaed Bind-weed. PL tw. 



j" -j- The 3 following names occur in append, to Salt's Abys. p. 

 475, but without any definition. 



1 C. CIRRHOSUS. 2 C. CONGE'STUS. 3 C. PILOSUS. 



What are Conv. armiltus, Forsk. descrip. de 1'egypt. t. 18. 

 Delile, desc. egypt. p. 55, as also is Conv. Forskae'li, natives of 

 Egypt. 



Cult. The hardy species of this genus are mostly beautiful 



