BOREALES—FLAVESCENTES 39 
Specimens examined :—Unirep States. New Mexico. Mesilla Park 
(Standley, 525, 1906; Wooton, 1902, 1906; Hedgcock, 9953). Santa Fe 
to the Rio Grande (Wislizenus, 41, 41, 1846- 7). Without locality (Wright, 
15, 1851; 1785, 1851-2). Silver City (Metcalfe, 31—the type). Caruth- 
ers ers Ranch (Hedgcock & Long, 9861). Mangas Springs (Metcalfe, 26,— 
` more persistently villous than usual). Mimbres River (Vreeland, 808). 
Las Cruces (Simpson; Lay, 1903). Rincon (Blumer, 1905). Turkey 
Creek Cafion (? Hedgcock, 841). Texas. El Paso ( Havard, 1881; Jones, 
1884). Eldon (Havard, Nov. 1881). Mexico. CHIHUAHUA. Ciudad 
Juarez. (Stearns, 1911). 
Phoradendron coloradense n. sp. 
Not forked, the rather long and slender branches without cataphyls, 
‚ dioecious. Internodes rather short (2x30-40 mm.), from velvety becom- 
ing glabrous like the foliage. Leaves oblanceolate-obovate, very obtuse, 
1.5-2х3-6 em., cuneately slender-petioled for about 10 mm. Spikes mostly 
solitary, rather long (30-50 mm.), essentially glabrous, with about 3 
joints clavate and some 6-flowered when pistillate or oblong and 20- to 
30-flowered when staminate: peduncle 5-10 mm. long: scales ciliate. 
Fruit white, subglobose, glabrous, about 5 mm. in diameter, in rather 
distinet whorls: sepals glabrous, usually closely inflexed.—Plate 37. 
Sonoran region (? exclusively) on Prosopis.—The type from Cali- 
fornia. 
Specimens examined:—Unirep STATES. CALIFORNIA. Fort Yuma 
(du Barry, Feb. 4, 1865,—the type; Thomas). Colorado River (Schott). 
The Needles (Jones, May 1884). A plant from Cameron’s ranch, La- 
guna, Cal., with leaves ranging from nearly round to obovate, 3-4x5-6 
em. (Schoenfeldt, 3687), doubtless also belongs here. 
— Phoradendron longispicum n. sp. 
Not forked, the rather long but slender branches without NUN 
dioecious. Internodes rather long (2-3x40-50 mm.), subeanescently vel- 
vety-tomentose, like the foliage, or the latter glabrate and rather glossy. 
Leaves elliptieal-obovate to oblanceolate, very obtuse, 2-3.5x4-6 or even 
7 em., euneately rather stout-petioled for about 10 mm. Spikes some- 
times clustered, moderate (15-30 mm., lengthening to 40 mm. in fruit), 
short-villous, with 3-5 joints clavately about 12-flowered when pistillate 
and oblong and about 20-flowered when staminate: peduncle 3-6 or. 10 
mm. long: scales short-villous and ciliate. Fruit white, subglobose, gla- | 
brous, about 4 mm. in diameter, in rather distinct whorls: тг short- | 
villous at base, nearly meeting.— Plates 38, 39. са 
