BOREALES—BRACHYSTACHYAE 49 
Phoradendron aureum n. sp. = /7) (2 „kan Aiar 
Not forked, the rather short branches without cataphyls, dioecious. 
Internodes short (2x10-20 mm.), sparsely short-villous like the foliage. 
Leaves spatulate-obovate, very obtuse, .6-1x1-2 em., cuneately subpetioled 
for about 3mm. Spikes solitary, golden, short (10-15 mm.), somewhat 
velvety, with 2 or 3 rounded joints 12- to 24-flowered when staminate: 
peduncle 2 mm. long: scales conspicuously ciliate. Fruit ?.—Plate 52. 
Sonoran region of Mexico.—The type from Lower California. 
Specimens examined :—Mexico. Sta./Cruz, Lower California (Rose, 
16848, Арт. 16, 1911,—the type). 
Phoradendron brachyphyllum n. sp. 
Not forked, the short stout branches without eataphyls, dioecious?. 
Internodes rather short (2-4x10-30 mm.), sparsely short-villous like the 
foliage. Leaves (represented only near the ends of the branches, and 
perhaps much larger when fully developed) obovate-oblong, obtuse, 
scarcely .3x1 cm., sessile. Spikes mostly solitary, short (scarcely 10 
mm.), sparingly short-villous, with about 2 ellipsoidal joints about 6-flow- 
ered when pistillate: peduncle 2 mm. long: seales rather conspicuously 
ciliate. Fruit?: sepals sparingly hispid at least near the base.—Plate 53. 
Sonoran region of Mexico.—The type from Margarita Island. 
Specimens examined :—Mexıco. Margarita Island, Lower California 
(Rose, 16293, Mar. 16, 1911,—the type). 
Phoradendron tumidum n. sp. 
Not forked, the moderate branches without eataphyls, dioecious. In- 
ternodes rather long (3-4x40-50 mm.), rather sparsely short-villous like 
the foliage. Leaves oblanceolate, very obtuse, .7x2.5-3 em., euneately 
subsessile. Spikes solitary, long for the group (15-25 or 30 mm.), spar- 
ingly short-villous, with about 3 ellipsoidal joints some 30- to 60-flowered 
when staminate, the lowest joint sometimes swollen to 5 mm. in diameter: 
peduncle 2 mm. long: seales conspicuously ciliate. Fruit?: sepals some- 
what hispid or villous.—Plate 53. 
Sonoran region of Mexico.—The type from Lower California. 
Specimens examined :—Mexico. LOWER CALIFORNIA. Espiritu Santo 
(Rose, 16862, Apr. 18, 1911,—the type). La Paz (Brandegee, 1892). 
PHORADENDRON Птюотуетп Van Tieghem. 
Phoradendron Diguetii Van Tieghem, Bull. Mus. Hist. Nat. Paris. vol. 1. 
p.31. 1895. 
Not forked, the moderate branches without eataphyls, dioecious. In- 
ternodes moderate (2x20-30 mm.), from sparingly velvety becoming gla- 
Vow 
