AEQUATORIALES RUBRAE 105 



ing, white-margined. Leaves elliptical-oblanceolate to obovate, very ob- 

 tuse, often mucronate, 1.5-2x4-5.5 cm., cuneately subpetioled for about 

 3 mm. Spikes often clustered, short (10, scarcely lengthening to 20 

 mm.), with 3 or 4 soon cylindrical 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 

 it Russell, 13846, Apr. 1, 1910, the type). Culiacan (Brandegee, 1904). 



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 cm., cuneately sessile. Spikes somewhat clustered, moderate 

 (25-35 mm.) , with about 3 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, 

 rhombically subancipital. Cataphyls a single pair, nearly basal, not 

 tubular. Leaves obovate-oblanceolate, very obtuse or emarginate, 1.5x 

 3-3.5 cm., cuneately 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 EICA (Oersted, 1, 3103, P. trinervium, Oliver). 



Phoradendron Zuloagae n. sp. 



More or less pseudodichotomous, the moderate branches with basal 

 cataphyls only, androgynous. Internodes moderate (2-3 or 5x30-50 or 



