518 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
1. Ipomoea leptophylla Torr. Frém. Rep. Exped. Rocky Mount. 94. 1845. 
Convolvulus canadensis Buckl. Proc. Acad. Phila. 1862: 6. 1862. 
TyPk Loca.iry: ‘Forks of the Platte to Laramie river.”’ 
Rance: Montana and South Dakota to Texas and northeastern New Mexico. 
New Mexico: Las Vegas; Sierra Grande; Cross L Ranch; Nara Visa; Clayton; 
south of Melrose. Plains and low hills, in the Upper Sonoran Zone. 
2. Ipomoea tenuiloba Torr. U.S. & Mex. Bound. Bot. 148. 1859. 
Type Locauiry: “Hills and rocky places near Puerto de Paysano, western Texas.’’ 
Rance: Western Texas and southern New Mexico. 
New Mexico: Guadalupe Mountains (Bailey 720). 
83. Ipomoea muricata Cav. Icon. Pl. 5: 52. pl. 478. f. 2. 1794. 
Convolvulus capillaceus H. B. K. Nov. Gen. & Sp. 3: 97. 1819. 
Ipomoea capillacea Don, Hist. Dichl. Pl. 4: 267. 1838. 
Ipomoea capillacea patens A. Gray, Syn. Fl. ed. 2. 2!: 434. 1886. 
Ipomoea patens House, Ann. N. Y. Acad. 18: 237. 1908. 
Type Locauiry: “‘Habitat in Huanajuato,’’ Mexico. 
Ranae: New Mexico and Arizona to Mexico. 
New Mexico: Las Vegas; Mogollon Mountains; Hanover Mountain; White and 
Sacramento mountains. Open slopes in the mountains, in the Transition Zone. 
The form named patens certainly does not deserve nomenclatorial recognition. It 
is a mere seasonal variation and even at any time in a given spot one may collect 
both forms. The smaller, more erect plant later becomes spreading and has longer 
stems and leaf segments. 
4. Ipomoea costellata Torr. U.S. & Mex. Bound. Bot. 149. 1859. 
Type Locauiry: ‘‘On the Rio Grande, from the mouth of Pecos to El Paso, and 
near the Copper Mines of New Mexico.”’ 
RanGeE: Western Texas to Arizona and southward. 
New Mexico: Mangas Springs; Mogollon Mountains; Organ Mountains; Roswell; 
Queen. Openslopes, from the Lower Sonoran to the lower part of the Transition Zone. 
5. Ipomoea cardiophylla A. Gray, Syn. Fl. 2': 213. 1878. 
TYPE LocALITY: ‘‘In the mountains near El Paso.”’ 
RANGE: Western Texas and southern New Mexico to Mexico. 
New Mexico: Organ Mountains; White Mountains. Canyons, in the Upper 
Sonoran Zone. 
6. Ipomoea purpurea (L.) Lam. Tabl. Encycl. 1: 466. 1791. 
Convolvulus purpureus L. Sp. Pl. ed. 2. 219. 1762. 
Pharbitis purpurea Voigt, Hort. Calcutt. 354. 1845. 
TyPE LocaLity: ‘‘Habitat in America.”’ 
Rance: Throughout tropical America, frequently introduced elsewhere. 
New Mexico: Manzanares Valley; Hillsboro; Mesilla Valley; Gilmores Ranch. 
7. Ipomoea hirsutula Jacq. Eclog. Pl. Rar. 1: 63. 1811. 
Ipomoea mexicana A. Gray, Syn. Fl. 2': 218, 1878. 
TYPE LOCALITY: Mexico. 
RanGeE: Western Texas to Arizona and southward. 
New Mexico: Santa Fe; Pecos; Fort Bayard; Grand Canyon of the Gila; San Luis 
Mountains; Mesilla Valley; Organ Mountains; White Sands; White Mountains; Gray; 
Roswell. Waste ground, in the Lower and Upper Sonoran zones. 
8. Ipomoea desertorum House, Ann. N. Y. Acad. 18: 203. 1908. 
TYPE LOCALITY: Tucson, Arizona. 
RanGE: Southern Arizona and New Mexico. 
New Mexico: Mesa west of Organ Mountains; Florida Mountains. Dry hills and 
mesas, in the Lower Sonoran Zone. 
