HOUSE, THE GENUS IPOMCEA 
199 
32. Ipomcea purpurea (L.) Lam. Illus. 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. Piet. 7. /. 2. 
C. folio cordato glabro, Dill. Elth. 100. 
C. caeruleus minor, folio subrotundo, Dill. Elth. 97. 
Convolvulus purpureus L. Sp. PI. ed. 2, 219. 1762. 
Convolvulus mutabilis Salisb. Prodr. 123. 1796. 
Ipomcea discolor Jacq. Hort. Schoenb. 3: 6. 1798. 
Ipomcea glandulifera Ruiz. & Pav. FI. Peruv. 2: 12. 1799. 
Ipomcea hispida Zuccagni, in Roem. Coll. 127. 1806. 
Ipomcea intermedia Schult. Obs. Bot. 37. 1809. 
Convolvulus eriocaulos Willd.; Roem. & Schult. Syst. 4: 301. 1819. 
Convolvulus intermedius Roem. & Schult. 1. c. 264. 
Ipomcea Zuccagnii Roem. & Schult. 1. c. 230. 
Pharbitis hispida Choisy, in Mem. Soc. Phys. Genev. 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. 8J+. /. 97. Jacq. Hort. Schoenb. pi. 261. 
Ruiz. & Pav. FI. Peruv. pi. 121. f. a. Bot. Mag. pis. 113, 1005 & 1682. 
Weinmann, Phytanth. 2: pis. 414 & 415- Britt. & Brown, Illus. FI. 3: 
/. 2949. Bailey, Cyclop. Am. Hort. /. 1167. Knorr. Thes. Hort. pis. 
187 & 189. 
33. Ipomcea 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 Dillenian citation above. 
Hpomcea 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. 
Ipomcea affinis Mart. & Gal. in Bull. Acad. Brux. XII. 2: 263. 1845. 
Pharbitis cathartica Hook. Bot. Mag. pi. 4289. 1847. Not P. cathartica Choisy, 
1845. 
Ipomcea mexicana A. Gray, Syn. FI. N. Am. 2 1 : 210. 1878. 
Convolvulus hederaceus Sesse & Moc. FI. Nov. Hisp. in La Naturaleza II. 1: 22,1887.— 
FI. Mex. 1. c. II. in. 2: append. 21. 1893. 
Ipomcea hirta Th. Dur. in Bull. Acad. Bot. Belg. II. 27: 175. 1888. 
