58 ILLINOIS BIOLOGICAL MONOGRAPHS [148 



Cuscuta indecora hispidula (Engelmann) n. comb. 



C. verrucosa hispidula Engelmann, Amer. Journ. Sci. & Arts, 43:341, 1842. 



C. hispidula Engelmann, Amer. Journ. Sci. & Arts, 45:75, 1843. 



C. neuropelala minor Engelmann, Bost. Journ. Nat. Hist., 5:223, 1847. 



C. porphyrostigma, Engelmann, Bost. Journ. Nat. Hist., 5:223, 1847; in synon. 



C. decora indecora Engelmann, Trans. Acad. Sci. St. Louis, 1:502, 1859. 



Flowers 2-2.5 mm. long, usually on pedicels longer than the flowers; 

 calyx mostly shorter than the corolla, more papillose-hispid than in the 

 other varieties. 



Type locality: "Mexicum ad Metamoros." Range: Texas, New 

 Mexico and Indian Territory and in the Greater Antilles. 



Specimens examined: (Berlandier 2285, the type number, in the Engelmann Herb, from 

 Mexico?). United States: Texas; (Berlandier 865, 965, Lindheimer 123, Nealley 141), 

 eastern part of the state (Hall 491), Llano Co. (Nealley 83), Llano (Smith in 1897), New 

 Braunfels (Lindheimer 318, 1029), San Antonio (Wilkinson in 1902), Fort Worth (Ruth 188), 

 Columbia (Bush 1535), Fort Smith (Ruth 159), Dallas (Hall 493 in part). New 

 Mexico; Fort Whipple (Coues & Palmer 246). Oklahoma; Greer Co. (Stevens 1000). Indian 

 Territory (Sheldon 134). 



West Indies: Cuba; Camaguey (Shafer 2635). Jamaica; Port Antonio (Fredholm 

 3304). 



Cuscuta indecora neuropelala (Choisy) Hitchcock 



[Figures 44 a-e, 96 and 128] 



C. indecora neuropelala Hitchcock, Contrib. U. S. Nat. Herb., 3:549, 1896. 



C. neuropelala Engelmann, Amer. Journ. Sci. & Arts, 45:75, 1843. 



C. neuropelala littoralis Engelmann, Bost. Journ. Nat. Hist., 5:223, 1847. 



C. pulcherrima Scheele, Linnaea, 21:750, 1848. 



C. decora pulcherrima Engelmann, Trans. Acad. Sci. St. Louis, 1:502, 1859. 



?C. indecora portoricensis Urban, Symb. Ant., 4:502, 1910. 



Flowers usually larger than in the other varieties, loose or compacted; 

 corolla broadly campanulate, varying in its degree of papulation. Forms 

 from the southeastern United States frequently are more waxy white than 

 those from the west. The calyx lobes are shorter than or equalling the 

 corolla. 



Type locality: "Texas in wet prairies near Houston." Range: 



Illinois, westward to Utah and California, south into Mexico and through 



the southern states into the West Indies. The specimen reported from 



Michigan is believed to have been introduced with alfalfa seed from one 



of the western states. 



Specimens examined: United States: American plains (Hall & Harbour 464). 

 Michigan; Shelby (Wagner in 1919). Illinois (Engelmann in 1845), St. Clair Co. (Eggert 

 in 1877). Minnesota; Fergus Falls (Sheldon in 1892). 5. Dakota; Washington Co. (Over 

 2157), Hot Springs (Petersen in 1908). Nebraska; Merrinem (Bates in 1896), Hooker Co. 

 Mullen (Rydberg 1634, 1694), Waho (Rydberg), Banner Co. (Rydberg in 1890), Cheyenne 

 Co. (Rydberg 3700). Kansas; Syracuse (Rose & Fitch 17027, Thompson 159). Louisiana 

 (Langlois in 1879). Mississippi; Brush Island (Lloyd & Tracy 128), Cat Island (Lloyd & 

 Tracy 124). Alabama; Mobile (Mohr in 1888, and in 1876, 885c). Florida; Santa Rosa 

 Island (Tracy 6432), Wakulla Co., St. Marks (Harper 209), Colquitt Co. (Harper 1650), 



