HOUSE, THE GENUS IPO MCE A 
237 
Distribution: New Mexico and Arizona to northern South America. 
Specimens examined: New Mexico; Rushy 301, 1881; Arizona; 
Leiberg 5898, 1901; RothrocJc 623, 1874; Wilcox 348, 1894; Lemmon 440, 
1881 and 2836, 1882; Neally 187, 1891; Griffiths 5432, 1903. Lower Cali¬ 
fornia, Brandegee, 1899. 
Sonora; Thurher 964, 1851 (G). Lower California; Brandegee, 1899 
(N). Durango; Palmer 302, 1896 (N, G, Y); E. W. Nelson, 4640, 1898 
(N). Chihuahua; Pringle 580, 1885 (G). Tepic; Rose, 1897 (N); Quere- 
taro; Rose, Painter & Rose 9540, 1905 (N); Jalisco; Barcena 562, 1887 (M); 
Pringle 11048, 1902 (N, Y). Federal Dist. Coulter 1036 (G); Rose Painter 
& Rose 8515, 1905 (N). Oaxaca; Rev. Lucius C. Smith 472, 1895 (G). 
Chiapas; E. W. Nelson 2879, 2946, 1895 (N). 
116. Ipomce a patens (A. Gray) comb. nov. 
Ipomcea muricata Roth. Bot. Wheeler 204. 1878. Not 1. muricata Cav. 1794. 
Ipomcea capillacea var. patens A. Gray, Syn. FI. 2: Suppl. 434. 1886. 
Type locality: Southern Arizona. 
Distribution: Southern New Mexico, Arizona and adjacent Mexico. 
Specimens examined: New Mexico; C. Wright 1616, 1851 (type — G. 
C). O. B. Metcalfe 271, 1903 (G). Arizona; Wilcox, 1893 (N); Sonora; 
Thurher 967, 1851 (C); Chihuahua; Pringle 841, 1886 (C, N); 1340, 1887 
San Luis Potosi; Parry & Palmer 626, 1878 (G, N). Coahuih, Palmer 
910, 1880 (N, G). 
117. Ipomcea plummerse A. Gray, Syn. FI. N. Am. 2: Suppl. 434. 1886. 
Type locality: Southern Arizona. 
Distribution: Gravelly slopes of the higher mountains of southern 
Arizona and New Mexico to Chihuahua, Mexico and in the Bolivian Andes. 
Specimens examined: Arizona; Lemmon 2839, 1882 (type — G); Tourney 
1894; MacDougal 382, 1898 (Y); Dr. Lour 324, 1873 (G); Wright 1616 
in part (G). New Mexico; Earle 492, 1900 (Y). Chihuahua; Townsend 
& Barber 228, 1899 (N); E. W. Nelson 6085, 1899 (N). 
118. Ipomcea lemmoni A. Gray, Proc. Am. Acad. 19: 90. 1883.— 
Syn. FI. N. Am. 2: Suppl. 434. 1886. 
Type locality: Mountains near Ft. Huachuca, Arizona. 
Distribution: Mountains and canons of southern Arizona. 
Specimens examined: Lemmon 2840, 1882 (type — G, N). 
