HOUSE, THE GENUS IPOMCEA 201 



Illustrations: Bot. Reg. pi. 39. 



Specimens examined: Tamaulipas; Victoria, Palmer 201 , 1907 (N, Y); 

 Orizaba; KarwinsTcij 590, & 591, 1841-42 (Y). MiXller 581 & 905, 1855 

 (C). Botteri 469 & 586 (Y, G); Borgeau 2212 & 2814, 1866 (G); Seaton 

 36 & 449, 1891. Vera Cruz; Jalapa, Chas. L. Smith 1791, 1894 (G). 

 Oaxaca; Tentila, Rev. Lucius C. Smith 657, 1895 (G). 



J 36. Ipomcea villosa Ruiz. & Pav. Fl. Peruv. 2 : 12. 1799^— Griseb. 

 Fl. Br. W. Ind. 473. 1864.— Lefroy in Jones & Goode, Nat. 

 Hist. Bermuda 90. 1884. 



Ipomcea congesta R. Br. Prodr. 1: 485. 1810. 



Convolvulus congestus Spreng. Syst. 1: 601. 1825. 



Convolvulus Ruizii Spreng. 1. c. 594. 



Pharbitis tnsularis Choisy in Mem. Soc. Phys. Genev. 6: 439. 1833. — In DC. 



Prodr. 9: 341. 1845. 

 I-pomoea insularis Choisy; Steud. Nona. ed. 2, 1: 817. 1841. 

 Pharbitis rosea Choisy, in DC. Prodr. 9: 342. 1845. 



Type locality: Peru. 



Distribution: Thickets near the sea shore, circumtropical and chiefly 

 insular. 



Illustrations: Ruiz. & Pav. 1. c. pi. 



Specimens examined: Bermuda; Kemp, 1885; Harshberger, 1905, 

 Brown & Britton 156, 1905. Socorro Id. (Pacific), Barkelew 245 (in part), 

 1903. Clarion Id. A. W. Anthony 403, 1897. Reported from Trinidad 

 by Grisebach. 



37. Ipomoea ampuUacea Femald, Proc. Am. Acad. 33 : 89. 1897. 



Stems woody below from a tuberous root, retrorsely hispid; leaf-blades entire 

 or 3-lobed; sepals pubescent, 2.5-4 cm. long, ovate below, acuminate and becoming 

 spatulate-attenuate with age; corolla white, 6 cm. long, pubescent without. 



Type locality: Near Acapulco, Mexico. 



Distribution : Known only from the type locality. 



Specimens examined : Acapulco, Palmer 483, 1894-95 (type — G, Y, N). 



38. Ipomcea thurberi A. Gray, Syn. Fl. N. Am. 2': 212. 1878.— In 



Proc. Am. Acad. 19: 90. 1883. 



Stems hispid or glabrate from an elongated, tuberous root; leaf-blades cordate- 

 hastate, 2-4 cm. long, the spreading basal lobes acute and often bifid or the blades 



i/ 1 Ipomcea comosa nom. nov. 



Batatas villosa Choisy, in DC. Prod. 9: 337. 1845. 



IporwcBa m«osaMeissn. in Mart. Fl. Bras. 7: 244, 1869. Not I. villosa R. & P. 1799. Brazil. 



