AEQUATORIALES—RUBRAE 105 
ing, white-margined. Leaves elliptical-oblanceolate to obovate, very ob- 
tuse, often mucronate, 1.5-2x4-5.5 em., euneately subpetioled for about 
3 mm. Spikes often clustered, short (10, scarcely lengthening to 20 
ınm.), with 3 or 4 soon eylindrical joints some 6- to 8-flowered in 4+2 
series: peduncle scarcely 3 mm. long, sometimes followed by a sterile 
joint. Fruit subglobose, smooth, 3-4 mm. in diameter : sepals somewhat 
parted.—Plate 148. 
Sonoran region of Mexico (? exclusively) on Guazuma.—The type 
from Sinaloa. 
Specimens examined :—MExICO. SINALOA, Mazatlan (Rose, Standley 
«с Russell, 13846, Apr. 1, 1910,—the type). Culiacan (Brandegee, 1904). 
ОР Phoradendron sanctae—martae n. sp. : 
More or less pseudodichotomous, the moderate branches with basal 
cataphyls only, androgynous. Internodes rather short (2-3x25-40 mm.), 
smooth, rhombically quadrangular. Cataphyls a single basal pair, an- 
nular, white-margined. Leaves obovate, very obtuse or emarginate, 1x3 
or 2.5-3x4-5 em., cuneately sessile. Spikes somewhat clustered, moderate 
(25-35 mm.), with about З slender oblong joints some 10-flowered in 4+2 
series: peduncle almost suppressed, often followed by a partly sterile 
joint. Fruit subglobose, smooth, 3 mm. in diameter: sepals somewhat 
parted.—Plate 149. 
Venezuelan-Isthmian region.—The type from Colombia. 
Specimens examined :—CoLomBIA. Santa Marta, at 250 ft. altitude 
(Smith, 1284, —the type). 
. Phoradendron Rensoni n. sp. 
Pseudodichotomous, the rather long branches with basal cataphyls 
only, androgynous?. Internodes rather short (2-3x25-40 mm.), smooth, 
rhombieally subancipital. Cataphyls a single pair, nearly basal, not 
tubular. Leaves obovate-oblanceolate, very obtuse or emarginate, 1.5x 
3-3.5 em., euneately sessile. Spikes clustered, short (10-15 mm.), with 
about 3 plump joints subverticillately 4- to 6-flowered : peduncle scarcely 
3 mm. long. Fruit subglobose, smooth, 4 mm. in diameter: sepals some- 
what parted.—Plate 149. 
Isthmian region.— The type from San Salvador. 
Specimens examined :—EL SALVADOR. San Salvador (Carlos Renson, 
256,—the type). Costa Rica (Oersted, 1, 3103,—P. trinervium, Oliver). 
Phoradendron Zuloagae n. sp. 
More or less pseudodichotomous, the moderate branches with basal | 
eataphyls only, androgynous. Internodes moderate (2-3 or 5x30-50 or 
