HOUSE, THE GENUS IPO MCE A 
201 
Illustrations: Bot. Reg. pi. 39. 
Specimens examined: Tamaulipas; Victoria, Palmer 201, 1907 (N, Y); 
Orizaba; Karwinsky 590, & 591, 1841-42 (Y). Muller 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). 
36. Ipemoea villosa Ruiz. & Pav. FI. Peruv. 2: 12. 1799 1 .— Griseb. 
FI. Br. W. Ind. 473. 1864.— Lefroy in Jones & Goode, Nat. 
Hist. Bermuda 90. 1884. 
Ipomoea congesta R. Br. Prodr. 1: 485. 1810. 
Convolvulus congestus Spreng. Syst. 1: 601. 1825. 
Convolvulus Ruizii Spreng. 1. c. 594. 
Pharbitis msularis Choisy in Mem. Soc. Phys. Genev. 6: 439. 1833.— In DC. 
Prodr. 9: 341. 1845. 
Ipomcea insularis Choisy; Steud. Nom. 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. Ipomosa ampullacea 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. Ipomoea thurberi A. Gray, Syn. FI. N. Am. 2 1 : 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 
1 Ipomoea comosa nom. nov. 
Batatas villosa Choisy, in DC. Prod. 9 : 337. 1845. 
Ipomoea villosa Meissn. in Mart. FI. Bras. 7: 244, 1869. Not 1. villosa R. & P. 1799. Brazil. 
