HOUSE, THE GENUS IPOMCEA 199 



32. Ipomoea purpurea (L.) Lam. lUus. 1: 466. 1791.— Roth, Catal. 



27. 1797.— Britton, Manual 752. 1901. 



Convolvulus calycibus tuberculatus pilosis, Vind. Cliff. 18. — Hort. Ups. 38. — 

 Gronov. Virg. 141.— Roy. Lugdb. 428. 



C. purpureus, folio subrotundo, Bauh. Pin. 295. — Ehret. Pict. 7. /. 2. 



C. folio cordato glabro, Dill. Elth. 100. 



C. caeruleus minor, folio subrotundo, Dili. Elth. 97. 



Convolvulus purpureus L. Sp. PI. ed. 2, 219. 1762. 



Convolvulus mutabilis Salisb. Prodr. 123. 1796. 



Ipomoea discolor Jacq. Hort. Schoenb. 3: 6. 1798. 



Ipomoea glandulifera Ruiz. & Pav. Fl. Peruv. 2: 12. 1799. 



Ipomoea hispida Zuccagni, in Roem. Coll. 127. 1806. 



Ipomoea intermedia Schnlt. Obs. Bot. 37. 1809. 



Convolvulus eriocaulos Willd.; Roem. & Schult. Syst. 4: 301. 1819. 



Convolvulus intermedius Roem. & Schult. 1. c. 264. 



Ipomoea Zuccagnii Roem. & Schult. 1. c. 230. 



P/iorhifis /lispirfaChoisy, in Mem. Soc. Phys.Gen^v. 6: 440. 1833.— In DC. Prodr. 



9: 341. 1845. 

 Convolvulus Schultesii Roem. & Schult.; Steud. Nom. ed. 2, 1: 411. 1841. 

 Pharbitis purpurea Voigt. Hort. Suburb. Calc. 354. 1845. — Small, 1. c. 964. 



Type locality: America. 



Distribution : Thickets and waste places throughout tropical America. 

 Cultivated and a frequent escape northward to Ontario and Nova Scotia. 



Illustrations: Dill. Elth. pi. 84. /. 97. Jacq. Hort. Schoenb. pi. 261. 

 Ruiz. & Pav. Fl. Peruv. pi. 121. f. a. Bot. Mag. pis. 113, 1005 & 1682. 

 Weinmann, Phytanth. 2: pis. 4H & 416. Britt. & Brown, Illus. Fl. 3: 

 /. 2949. Bailey, Cyclop. Am. Hort. /. 1167. Knorr. Thes. Hort. pis. 

 187 & 189. 



33. Ipomoea hirsutula Jacq. f. Eclog. 1 : 63. 1811-16. 



Convolvulus flore purpureo, calyce punctato, Dill. Elth. 99. 



Convolvulus hederaceus var. y. L. Sp. PI. 154. 1753. Ed. 2, 219. 1762. in 

 part, as to the DiUenian citation above. 



"ilpomoea punctata Pers. Syn. 1: 184. 1805. (excl. habitat). 



Pharbitis diversifolia Lindl. Bot. Reg. 33: pi. 1988. 1837. 



Pharbitis punctata G. Don, Gen. Syst. 4: 263. 1838. 



P. Nil var. diversifolia Choisy, in DC. Prodr. 9 : 343. 1845. 



Ipomoea affinis Mart. & Gal. in Bull. Acad. Brux. XII. 2: 263. 1845. 



Pharbitis cathartica Hook. Bot. Mag. pi. 4289. 1847. Not P. cathartica Choisy, 



1845. 

 Ipomoea mexicana A. Gray, Syn. Fl. N. Am. 2' : 210. 1878. 

 Convolvulus hederaceus Sesse & Moo. Fl. Nov. Hisp. in La Naturaleza II. 1: 22, 1887. — 



Fl. Mex. 1. c. II. in. 2: append. 21. 1893. 

 Ipomoea hirta Th. Dur. in Bull. Acad. Bot. Belg. II. 27: 175. 1888. 



