CONVOLVULACE2E. XIV. IPOMOSA. 



269 



Buffalo's Ipomoea. Shrub tw. 



43 I. PELTA'TA (Choisy, 1. c. 6. p. 452.) leaves peltate ; pe- 

 duncles long, many-flowered ; sepals ovate-elliptic, obtuse ; 

 corolla yellow, campanulate. \j . rx . S. Native of Java, Am- 

 boyna, Society Islands, and Bourbon. Convolvulus peltatus, 

 Lin. spec. p. 221. Forst. prod. p. 78. Ipomoe'a nymphiaefblia, 

 Blum, bijdr. p. 719. Humph, amb. 5. p. 428. t. 157. Stem 

 terete, black, glabrous. Leaves glabrous, 3-4 inches long, entire, 

 furnished with rufous hairs in the axils of the petioles. Pedun- 

 cles branched at the apex ; flowers spicate, on short pedicels. 

 Corolla large, inflated. Anthers woolly. Stigma large. Cap- 

 sule large. 



Peltate-leaved Ipomoea. Shrub tw. 



2. Leates cordate, entire. Capsules and sepals middle-sized. 

 Flowers capitately aggregate. 



44 I. PILEA'TA (Wall. fl. ind. 2. p. 94.) leaves cordate, acumi- 

 nated ; peduncles hardly equal in length to the petioles; flowers 

 3-6, sessile, in a boat-shaped, perfoliate, involucrum ; bracteas 

 obovate, hairy ; sepals rather unequal. Q. ^\ S. Native of 

 the East Indies, China, Src. Convolvulus pileatus, Roxb. ex 

 Wall. cat. no. 1376. Spreng. syst. 4. p. 61. Ipomce'a peltata, 

 Heyne, herb. Stems villous, slender. Leaves 1| inch long, 

 often glabrous, but sometimes downy. Petioles and peduncles 

 villous. Corolla rose-coloured, funnel-shaped. Seeds glabrous. 

 Nearly allied to /. intolucrata. 



Cap Ipomoea. PI. tw. 



45 I. IXVOLCCRA'TA (Beauv. fl. d. ow. 2. p. 52. t. 89.) plant 

 downy ; leaves cordate, quite entire, acutish : hind lobes round- 

 ed ; peduncles many-flowered : flowers surrounded by 2 large 

 involucrum-formed perfoliate bracteas. () ^- S. Native of 

 Guinea, among bushes. Conv. involucratus, Spreng. syst. 1. 

 p. 600. Pedicels short, unequal. Corolla large, red. 



/Hro/wcraff-flowered Ipomoea. Fl. Aug. Oct. Clt. 1822. 

 PI. tw. 



46 I. PERFOLIA'TA ; leaves cordate, villously tomentose, 

 having the hind lobes roundish and subacuminated ; flowers ca- 

 pitate, involucrated by one perfoliate leaf; sepals downy : the 

 3 outer ones lanceolate, and the 2 inner ones setaceous at the 

 apices. I/.? ? ^- S. Native of Africa, at Aquapim. 

 Conv. perfoliatus, Schum. pi. guin. p. 89. Stem filiform, pilose. 

 Peduncles covered with retrograde villi. Corolla campanulate, 

 plicate, red, with villous angles ; lobes of the limb emarginate. 

 Stigmas villous. 



Perfoliate Ipomoea. PI. tw. 



47 I. BUEVIFLORA (Meyer, prim, esseq. p. 100.) glabrous : 

 leaves sagittately-cordate ; peduncles shorter than the petioles ; 

 flowers subumbellate, involucrated ; outer sepals plicately 

 wrinkled, mucronate. 0. *"\ S. Native about Essequibo, in 

 humid plantations. Stems angular, scabrous from scattered 

 rigid hairs. Corolla large, purple. 



Short-jlorrered Ipomoea. PL tw. 



48 I. CAPITELLA'TA (Choisy, 1. c. p. 457.) stem pilose ; leaves 

 cordate, acuminated, pilose ; peduncles equal in length to the 

 petioles ; bracteas unequal, obtuse, ovate-linear ; flowers aggre- 

 gate, umbellate ; sepals linear-lanceolate, very acute. O.'\S. 

 Native of the East Indies, at Mungger, &c. Ipomoe'a tamni- 

 folia, Burm. ind. p. 50. but not of Lin. Conv. capitellatus, 

 Ham. herb, ex Wall. cat. no. 2250. Hairs on the stem glan- 

 dular at the base. Peduncles hairy. Corolla violaceous, tubu- 

 larly campanulate, villous outside. Seeds glabrous. 



Headed-Qovrered Ipomoea. PI. tw. 



49 I. TRICHOCE'PHALA ; stem and peduncles pilose ; leaves 

 cordate, acuminated, sometimes a little angular ; heads of 



flowers involucrated by bracteas, 2 of which are larger than the 

 others ; flowers crowded, sessile ; calycine segments linear, 

 acute, ciliated with long fuscous hairs. "%.. *"*. S. Native of 

 Guayaquil, (c. *. in herb. Ruiz, et Pav.) 

 Hairy-headed Ipomoea. PI. tw. 



50 I. GCINEE'NSIS ; leaves cordate, acuminated, with a 

 few scattered hairs above, but clothed with rusty hairs beneath 

 on the veins ; petioles, peduncles, and calyx, hairy. If. . ? 0. ? 

 *"\ S. Native of Guinea. Conv. Guineensis, Schum. pi. guin. 

 p. 90. Stems herbaceous, pilose. Flowers crowded into heads, 

 which are involucrated by leaves. Peduncles length of leaves. 

 Corollas blue, size of those of Lysimachia, nummularia. Lobes 

 of stigma thick, recurved. Capsule size of a pea. Seeds 

 naked. Said to be allied to /. ciliatus. Perhaps a species of 

 Jacquemontca. 



Guinea Ipomoea. PI. tw. 



51 I. TAMSIFOLIA (Lin. spec. ed. 1. p. 885.) plant pilose; 

 leaves cordate, acuminated ; peduncles axillary ; flowers aggre- 

 gate, on the tops of the peduncles ; bracteas linear, hairy, invo- 

 lucrating ; sepals linear, subulate. 0. ^\ S. Native of Caro- 

 lina, in hedges ; and on the banks of the Mississippi. Pursh. 

 fl. amer. 1. p. 146. Conv. tamnifolius, Spreng. syst. 1. p. 602. 

 Dill. elth. p. 428. t. 318. f. 410. Corollas small, tubular, blue ; 

 segments of the limb roundish, spreading ; capsule glabrous. 



Tamnus-leared I porno?' a. Fl. July. Clt. 1 732. PI. tw. 



52 I. ATROPURPU'REA (Choisy, 1. c. p. 457.) stem hispid : 

 leaves cordate, acuminated, hispid, very acute, petiolate ; pedun- 

 cles thick, hardly half an inch long; bracteas 9-12, unequal, 

 lanceolate, acute ; flowers capitate ; sepals lanceolate, very 

 acute, hairy. O- '""' S. Native of Nipaul. Convolvulus 

 atropurpureus, Wall. fl. ind. 2. p. 54. asiat. rar. 1. p. 38. t. 43. 

 Ipomoe'a sphferocephala, D. Don. prod. fl. nep. p. 98. Hairs 

 on the stem retrograde. Corolla oval, hispid before expan- 

 sion, at length tubularly campanulate, 18 lines long, dark 

 purple. 



Dark-purple-Aovfered Ipomoea. PI. tw. 



53 I. SESSILIFLO'RA (Roth. nov. spec. p. 117. Roem. et 

 Schultes, syst. 4. p. 243 ) stem beset with retrograde bristles ; 

 leaves cordate, ovate-lanceolate, or sagittate ; flowers axillary, 

 sometimes only 1-3 together, but sometimes 4-12 together, 

 almost sessile, or on very short pedicels ; sepals acuminately 

 subulate; corollas small; capsule usually villous. ^- S. 

 Native of the East Indies, in several parts : as of Nipaul, 

 Madras, Bengal, &c. ; Coromandel, Tranquebar ; and of the 

 Cape Verd Islands. Convolvulus sessiliflorus, Spreng. syst. 1. 

 p. 599. Conv. hispidus, Vahl. symb. 3. p. 29. Conv. sphaero- 

 cephalus, Wall. fl. ind. 2. p. 53. Conv. tamnifolius, Klein, in 

 Roem. et Schultes, syst. 4. p. 301. Ipomoe'a sphaerocephala, 

 Sweet, hort. brit. p. 288. but not of D. Don. Conv. curtana, 

 Ham. herb. Conv. cynanchifblius, Wall. cat. no. 1399. Conv. 

 hirtus, Wight, herb. Conv. patulus, Ham. herb. Leaves l-S 

 inches long, entire, or sinuated on the edges. Flowers small, 

 rose-coloured. There is also a variety of this with white 

 flowers, in round sessile heads. 



Seuile-foirered Ipomoea. Fl. Aug. Oct. Clt. 1816. Plant 

 twining. 



54 I. BARBARA (Choisy, 1. c. p. 458.) stem very pilose ; 

 leaves ovate-oblong, acute, entire, woolly beneath, rounded at 

 the base ; flowers axillary, 7-9 together in a capitate fascicle, 

 which is involucrated by very long, linear, incurved bracteas. 

 Jj . *"*. S. Native of the East Indies ; at Rangoon, in Pegu, 

 Donabew ; and on the banks of the Irawaddi. Convolvulus 

 barbatus, Wall. pi. rar. asiat. 2. p. 45. t. 155. cat. no. 1391. 

 Stem beset with rusty silky hairs. Leaves 5-12 inches long, 

 furnished with long hairs above, which are glandular at tle 



