208 
ANNALS NEW YORK ACADEMY OF SCIENCES 
49. Ipomoea portoricensis (Spreng.) G. Don, Gen. Syst. 4: 278. 1838. 
Convolvulus portoricensis Spreng. Syst. 1 : 595. 1825. 
?Convolvulus meyeri Spreng. 1. c. 597. 
Ipomoea meyeri G. Don, Gen. Syst. 4 : 275. 1838.— Hallier f. Jahrb. Hamb. Wiss. 
Anstalt. 16 : 43. 1898. 
Ipomoea brachypoda Benth. Bot. Voy. Sulphur 135. 1844. 
Ipomoea decurtata Hallier f. Bot. Jahrb. 16 : 495. 1893. 
Similar in habit and leaf-blades to the two preceding; peduncles 1-3 cm. long, 
2- to 10-flowered; sepals linear-lanceolate, 2-3 cm. long, 4-6 mm. broad, hirsute, 
attenuate; corolla 2.5-3 cm. long, blue; capsules 1 cm. thick. 
Type locality: Porto Rico. 
Distribution: West Indies, southern Mexico to Panama and Guiana. 
Specimens examined: Cuba; Wright 4 51 , 1856-7 (G). Jamaica; 
Marsh (G); Harris 6931, 1897 (Y). Porto Rico; Sintenis 828 , 1885 (Y); 
Heller 6225, 1902 (Y). Panama; Cowell49 Ac291, 1905 (Y). Santa Marta, 
Colombia, Herbert H. Smith 1573 Ac 1574, 1899 (Y). 
50. Ipomoea barbatisepala A. Gray, Syn. FI. N. Am. 2 1 : 212. 1878. 
Type locality: Declivity of mountain near El Paso, Texas. 
Distribution: Dry or rocky hillsides, western Texas to Arizona and 
Oaxaca. 
Specimens examined: Texas; C. Wright 507, 1849 (type — G); 
Pringle 68, 1884 (G). Arizona; Lemmon 444, 1881 (G); Griffiths 2032, 
1900 (N); Thornber 76, 1903 (Y). Oaxaca; Conzatti Ac Gonzalez 697 J, 
1897; 1094, 1900 (G — cf. Greenm. Proc. Am. Acad. 39: 84. 1903). 
51. Ipomoea silvicola House, Bot. Gaz. 43: 411. /. J. 1907. 
More or less densely pubescent; leaf-blades ovate, entire or 3-lobed, appressed 
sericeous-pubescent above, more densely so beneath; peduncles 1- to 3-flowered; 
sepals unequal, lanceolate, acuminate, 18-28 mm. long, appressed-pubescent and 
densely tentacular below; corolla 6-7 cm. long, glabrous. 
Type locality: Rio de Las Canas, Guatemala. 
Distribution: Forests of southern Mexico to Panama. 
Specimens examined: Mexico: Chiapas, E. W. Nelson 3253 & 3419, 
1895 (N). Guatemala; John Donnell Smith (legit Lleyde Ac Lux.) 4022, 
1892 (type — N, C). Panama; Sutton Hayes, July 1860 (G). 
