155] NORTH AMERICAN AND WEST INDIAN CUSCUTAYUNCKER 65 



Cuscuta gronovii latiflora Engelmann 

 [Figure 37 f-g] 



C. gronovii latiflora Engelmann, Trans. Acad. Sci. St. Louis, 1:508, 1859. 

 C. saururi Engelmann, Amer. Journ. Sci. & Arts, 43:339, pi. 6, figs. 17-21, 1842. 

 C. gronovii saururi MacMillan, Geol. & Nat. Hist. Surv. of Minn. I. The Metaspermae of the 

 Minnesota Valley, p. 430, 1892. 



Calyx lobes nearly as long as or equalling the shallowly campanulate 

 corolla, the lobes of which equal the tube. 



Type location: "In the 'American Bottom' opposite St. Louis." 



Range: New Jersey and westward to Missouri and southward to Texas. 



Specimens examined: United States: New Jersey; New Brunswick (Vail in 1890), 

 Spotswood (Taylor 2606). Pennsylvania; Harrisburg (Porter in 1879), York Co. (without 

 indication of collector). Illinois; Opposite St. Louis (Geyer in 1841, taken as the type, 

 in the Engelmann Herb., Engelmann in 1843, Eggert in 1877). Missouri (Short in 1843), 

 St. Louis (Engehnann in 1841, in 1845, Riehl in 1843), Butler Co. (Russell), Clay Co. 

 (Mackenzie 370), Webb City (Pahner 2737), Jasper Co. (Palmer 1292). Indian Territory; 

 Cherokee Nation (Blankinship in 1895). Texas; Dallas (Reverchon). 



Cuscuta gronovii vulgivaga Engelmann 

 [Figures 37 a-e, 100, 101 and 148] 

 C. gronovii vulgivaga'EngtlTaa.n-n, Trans. Acad. Sci. St. Louis, 1:508, 1859. 

 C. vulgivaga Engelmann, .\mer. Journ. Sci. & Arts, 43:338, pi. 6, figs. 12-16, 1842. 

 C. americana of various authors, according to Engelmann, Trans. Acad. Sci. St. Louis, 1 :508, 



1859; in sjoion. 

 C. polyantha Shuttleworth in Engelmann, Trans. Acad. Sci. St. Louis, 1:508, 1859; in synon. 

 C umbrosa Beyrich in Engelmann, Trans. Acad. Sci. St. Louis, 1:508, 1859; in synon. 



Corolla deeper, less openly campanulate than in variety latiflora, its 

 lobes ordinarily shorter than the tube; calyx lobes usually not reaching 

 the sinuses. The commonest of the varieties. 



C. vulgivaga of Engelmann when published was made to consist of 

 three nominal varieties though he did not keep up this segregation later. 

 These were variety laxiflora which may have been considered most repre- 

 sentative of the species and which included most of the material from the 

 interior of the country, and the type of which seems to have been a speci- 

 men collected in New York state by Dr. Gray; variety glomerata from 

 Vermont, collected by Carey and variety tetramera from Connecticut, 

 collected by Carey. 



Type locality: "Western New York." Type not seen. Range: 

 From Canada to Florida and westward to Nebraska, Arizona and Texas. 



Specimens examined: United States: Maine (Ricker 469), Aroostook Co. (Fernald 

 88), Veazie (Knight in 1905), Maxfield (Ricker 1396, 1397), Auburn (Merrill 699), Machias- 

 port (Barber in 1898), Leeds (Sturtevant in 1862), Orono (Harvey & Harvey 699 and in 

 1895), Cape Elizabeth (Gayle 811). Massachusells; Belmont (Pound in 1889), Andover 

 (Foster in 1901), Littleton (Harwood in 1901), Williamstown (without name of collector, 

 Day 64), So. Hadley (Cook in 1887), Northampton (Stevens in 1895), Morrison (Morris in 

 1897), Cambridge (Engelmann in 1856), Nonquit (Sturtevant in 1888), Lincoln (Greenman 

 2138), Amherst (Woolson 17194), Hampden Co. (Seymour 20), Riverside (Greenman 1478). 

 Rhode Island; Cumberland (Greenman 1825). Connecticut; Cromwell (Brandegee in 1869), 



