HOUSE, THE GENUS IPOMCEA 251 



Inflorescence 10 cm. long; corolla gla- 

 brous, entirely pui'ple; blades often 



3-lobed. 171. /. umbraticola. 



Peduncles shorter than the leaves; sepals 

 mucronulate; stems, petioles and ped- 

 uncles finely pubescent, with weak ten- 

 tacular-like outgrowths. 170. /. parasitica. 

 Corolla 4-6 cm. long or longer. 



Foliage thin and glabrous; pedicels hollow and 

 wand-like. 



Pedicels 2-3 cm. long; corolla 5-6 cm. long. 172. /. violacea. 

 Pedicels 4-6 cm. long; corolla 8-10 cm. 



long. 173. /. pedicellaris. 



Foliage firm-textured; pedicels not hollow or 

 wand-like. 



Corolla white with a purple throat; ped- 

 uncles 1-2-flowered. 174. I.wallii. 

 Corolla blue or purple; blades cordate-sagit- 

 tate or cordate-hastate, 175. /. morelii. 



/ 149. Ipcmcea sagittata Lam. Illus. 1: 466. 1791. — Cav. Ic. 2: 4. 

 pi. 107. 1793.— Choisy in DC. Prodr. 9: 372. 1845.— A. 

 Gray, S>ti. F1. N. Am. 2': 212. 1878. 



Convolvulus speciosus Walt. Fl. Car. 93. 1788. Not C. speciostis L. f. 1781. 

 Convolvulus wheeleri Vahl, Symb. Bot. 2: 36. 1791. 

 Convolvulus jormosus Gmel. Syst. 1: 343. 1796. 

 Convolvulus sagittifolius Michx. Fl. Bor.-Am. 1: 138. 1803. 

 Ipomoea sagittaefolia Ker. Bot. Reg. pi. 436. 1820. 

 Fraxima sagittifolia Raf. Fl. Tellur. 4: 83. 1838. 

 Ipomoea heterophylla G. Don, Gen. Syst. 4: 274. 1838. 

 Ipomcea diversifolia F. Dietr. in Kjoeb. Vidensk. Meddel. 221. 1854. 

 Ipomoea speciosa Hallier f. Bot. Jahrb. 18: 143. 1894.— - Small, Fl. 962. 1903. 

 Not /. speciosa Pers. 1805. 



Type locality: Carolina. (Walt.) 



Distribution: Marshes and fields near the coast. North Carolina to 

 northern Mexico, Bermuda, Bahamas, Cuba and the Mediterranean region. 



150. Ipomcea polyanthes Roem. & Schult. Syst. 4: 234. 1819. 



Convolvulus amencanus, vulgaris folio, capsulis triquetris numerosis, Pluk. Aim 

 114. pi. 167. f. 1. 



C. luteus polyanthos, Plum. Am. 88. pi. 102. 



C. polyanthos, folio subrotundo, flore luteo, Sloan. Jam. 55. 



Convolvulus umbellatus L. Sp. PI. 155. 1753. — Desr. in Lam. Encyc. 3: 555. 1789. 

 Convolvulus muUiflorus Mill. Diet. No. 15. 1768. 



