CONVOLVULACE.E. XVI. CONVOLVULUS. 



285 



ing hairs ; stems branched, prostrate ; leaves oblong-lanceolate, 

 acute : sepals narrow, very villous ; peduncles usually 2-3- 

 flowered. I/ . H. Native of the south of Europe, north of 

 Africa, and of Tauria. Willd. spec. 1. p. 869. Bieb. fl. taur. 

 1. p. 1 *7. Smith, prod. fl. grace. 1. p. 135. Jacq. fl. austr. t. 

 296. Mor. hist. 2. p. 17. sect. 1. t. 4. f. 3. Tourn. inst. p. 83. 

 and 84. This species is readily distinguished from C. linealus, 

 C. saxdtilif, and C. holosericeus, by the hairs being spreading, 

 and by the narrow, very villous sepals. Corollas pale red. 



J'ar fi, terreslris (Lin. spec. 224.) leaves linear, silky ; pedun- 

 cles grnerally 3-flowered ; calyx hairy, mucronate. I/ . H. 

 Conv. terrestris, Dalech. hist. 1425. Bauh. hist. 2. p. 160. 



far. -y; stem erect. I/. ^\ H. Ait. hort. kew. ed. 2d. vol. 

 1. p. 336. 



Canlabrian Bind-weed. Fl. Aug. Sepu Cit. 1680. PI. i 

 to 1 foot, prostrate. 



18 C. PALU'STRIS (Cav. icon. 6. p. 80. t. 600. f. 2.) stems 

 slender, terete, erect, branched, pilose ; leaves sessile, linear-lan- 

 ceolate, hairy ; flowers solitary, minute, rather tomentose ; sepals 

 ovate-lanceolate, villous. "%.. ? S. Native of Mexico, in the 

 vicinity of Acapulco, in marshy places. Poir. suppl. 3. p. 465. 

 Leaves an inch long, and a line broad. Peduncles bibracteate. 

 racemose. Corolla yellow, rather tomentose outside, campanulate, 

 3 times longer than the calyx, ending in 5 obtuse lobes or crenae. 



Marsh B'ind-weed. Pl.'l foot. 



19 C. PERSICCS (Lin. araoen. acad. 2. p. 341.) tomentose; 

 leaves oval, obtuse, on very short petioles ; peduncles 1 -flow- 

 ered, length of leaves ; sepals ovate : inner ones smaller. 1. 

 H. Native of Persia, on the shores of the Caspian Sea ; and in 

 the sand, by the Euxine Sea, near Fanar. Willd. spec. 1. p. 

 874. Desr.'in Lam. diet. 3. p. 549. Bieb. fl. taur. 1. p. 148. 

 Gmel. sib. 3. p. 36. t. 7. Stems thickness of a writing-quill, 

 terete. Stigmas linear, thickish. Corolla white. 



Persian Bind-weed. PI. 1 foot ? 



20 C. ? TRIXE'RVIS (Thunb. fl. jap. p. 85. Willd. spec. 1. p. 

 860.) stems filiform, glabrous, simple ; leaves opposite, petio- 

 late, ovate-oblong, glabrous, 3-nerved ; peduncles very short, 

 generally 1-flowered, seldom 2-flonered. 7. H. Native of 

 Japan. Leaves paler beneath. Sepals lanceolate-setaceous, 

 glabrous, one-half the length of the corolla. Corolla purple. 

 Stigmas capitate. A species of Iponue'a, or a distinct genus, 

 with opposite leaves. 



T/iree-nerved-\ea\e<l Bind-weed. PI. tw. or erect. 



21 C. AMMA'XSI (Desr. in Lam. diet. 3. p. 549. Bunge, pi. 

 chin, in mem. acad. petersb. 5. p. 46. Led. fl. alt. 1. p. 2^6.) 

 plant clothed with silky hairs : stems procumbent ; leaves 

 linear, or oblong-linear ; peduncles 1-flowered, length of leaves, 

 spreading; bracteas equal in length to the calyxes ; sepals ovate, 

 acute. 1(.. H. Native of Siberia, at the rivers Jenezee, 

 Tscharysch, Kan, Ulegumen, and Tschuga, and throughout the 

 Kerghisean steppe, and at Lake Baikal ; and of the north of China, 

 in sterile, gravelly places. Willd. spec. 1. p. 870. Ainm. ruth. 

 p. .?. no. 6. Gmel. sib. 4. p. 95. no. 51. Peduncles furnished 

 with '2 linear bracteas in the middle. Corolla marked by 5 silky 

 lines outside, disposed in a stellate manner, white, with purple 

 lines. 



Ammanns Bind-weed. PI. i foot. 



22 C. srixosi-s (Lin. suppl. 137. Willd. spec. 1. p. 871. 

 Bunge, enum. pi. chin, in mem. acad. petersb. 5. p. 47.) 

 shrubby ; the whole plant beset with white, glittering, silky 

 hairs ; leaves spatulate-lanceolate, or oblong, silky, sessile ; pe- 

 duncles elongated, 1-flowered; floriferous branches erectish, 

 spiny. f; . H. Native of Siberia, on sandy hills; at the river 

 Irtysch ; and of the north of China. Conv. fruticosus, Pall. 

 itin. 2. p. 734. t. M. Stem branched at top ; branches hori- 

 zontal, stiff, terminated each by a small, erect, whitish flower. 



The rudiments of branchlets in the axils of the leaves, and 

 branches are changed into spines. Plant somewhat flexuous, 

 hardly climbing. Limb of corolla 5-cleft. 



J'ar. p ; calyx quite glabrous. tj . H. Native of Persia, 

 Desr. in Lam. diet. 3. p. 548. Conv. spinosus, Bunn. fl. ind. 

 p. 47. t. 19. f. 4. 



Spiny Bind-weed. PI. 



23 C. TRAGACANTHOIDES (Turcz. dec. p. 22. Choisy, in mem. 

 soc. phys. gen. 6. p. 478.) shrubby ; stems diffuse, branched ; 

 branches spiny at length ; leaves linear; flowers terminal, nearly 

 sessile, bractless ; sepals ovate, abruptly acute, 3 times shorter 

 than the corolla. 1? . H. Native of Mongolia, at Zzagan- 

 Balgassu. Nearly allied to the 2 preceding, but differs from the 

 first in the branches being at length spinescent, in the flowers 

 being larger, and in the form of the sepals ; and from the second 

 in the more dwarf habit, in the linear leaves, and in the flowers 

 terminating the stems among the branches. Corolla purple. 



Tragacanth-like Bind-weed. Shrub. 



24 C. HY'STRIX (Vahl, symb. 1. p. 16. Willd. spec. 1. p. 

 871.) shrubby, much branched, stiff, diffuse ; branchlets silky, 

 spinescent ; leaves sessile, oblong, silky ; flowers sessile, usu- 

 ally solitary, rarely twin ; calyx hairy ; 2 outer sepals oblong, 

 stiff, larger than the inner 3. ^ . G. Native of Arabia, at 

 Dakhi. Conv. spinosus, Forsk. cat. arab. p. 106. no. 121. 

 Leaves small. Bracteas 2, at the base of the calyx, oblong, 

 acutish, reflexed. Corolla small, hairy. 



Porcupine Bind-weed. Shrub 1 foot. 



* * Flowert capitate, or umbellate. Shrubby or herbaceous 

 perennial plants. 



25 C. CXEORUM (Lin. spec. 224.) stem shrubby, branched; leaves 

 lanceolate-obovate, clothed with silky tomentum ; flowers capi- 

 tate on short peduncles ; bracteas, some of them, as large as the 

 leaves, and are, as well as the calyxes, hairy. fj . F. Native 

 of Spain, Crete, and Syria, and the Island of Samos, on rocks. 

 Sibth. et Smith, fl. graec. t. 200. Curt. bot. mag. 459. C. ar- 

 genteus, Desr. in Lam. diet. 3 p. 552. Tourn. inst. p. 84. Mor. 

 hist. 2. p. 11. sect. 1. t. 3. f. 1. Barrel, icon. rar. 4. p. 470. 

 Bocc. mus. 2. p. 79. t. 70 Dorycnium, Clus. hist. 2. p. 254. 

 Cneorum album folio argenteo molli, Bauh. pin. p. 463. Plant 

 clothed with silky silvery down. Leaves sessile, attenuated at the 

 base, mucronate. Corollas white or pale red, hairy outside. 



Il'tdon-H'ail-Yike Bind-weed. Fl. May, Sept. Clt. 1640. 

 Shrub 1-3 feet. 



26 C. SAXA'TILIS (Vahl, symb. 3. p. 33.") very hairy ; stems 

 erect ; leaves linear ; flowers capitate ; sepals acuminated. ,tl . 

 H. Native of Spain, on hills. France, Italy, Tauria. Bieb. fl. 

 taur. 1. p. 146. Lepeyr. abr. p. 101. Conv. lannginosus, Desr. 

 in Lam. diet. 3. p. 551, exclusive of the syn. of Bocc. t. 70, and 

 Barrel, t. 470. Conv. cneorum, Hablitz, taur. p. 147. Conv. 

 pusillus, Pall. ind. taur. Bocc. mus. t. 96. Tourn. inst. p. 84. 

 Corolla white, purplish, and villous outside. Heads of flowers 

 girded by 5 unequal leaves or bracteas. Stem clothed with 

 white tomentum. 



Var, /3, humUior (Rcem. et Schultes, syst. 4. p. 295.) Conv. 

 lanuginosus, /3, Desr. in Lam. diet. 3. p. 551. Conv. capitatus, 

 Cav. icon. 2. p. 72. t. 189. descr. p. 97. Tourn. cor. p. 1. 

 Stem erect. 



J'ar. y, stems half a foot high, declinate. If. H. Conv. 

 saxatilis, Bieb. fl. taur. I. p. 147. Conv. Dorycnium, Pall. ined. 



Stone Bind-weed. Fl. Ju. Au-. Clt. 1796. Pi. i foot. 



27 C. LAXA'TUS (Vahl, symb. 1. p. 16.) shrubby ; old branches 

 leafless, sterile, spinose, rather villous ; leaves lanceolate, ob- 

 tuse, tomentose; flowers capitate, involucrated ; sepals ovate- 

 lanceolate, fj . F. Native of Lower Egypt, on Mount Sinai : 



