AEQUATORIALES—QU ADRANGULARES 115 
Phoradendron tamaulipense n. sp. 
More or less pseudodichotomous, the moderate branches with basal 
eataphyls only, androgynous?. Internodes moderate (2-5x30-50 mm.), 
smooth, acutely quadrangular, somewhat ancipitally compressed above. 
Cataphyls a single basal pair, annular. Leaves elliptical-obovate, more 
or less mueronately obtuse, 1-2x3.5-5 em., cuneately subsessile. Spikes 
mostly solitary, at length rather long (15-20, becoming 50 mm.), with 3-5 
elongated joints some 6- to 12-flowered in 4 or 4+2 series: peduncle 3-10 
mm. long, when short usually followed by a partly floriferous joint. Fruit 
red, globose, smooth, 4 mm. in diameter: sepals closely inflexed.— Plate 
167. 
Eastern Sierra Madre and Cordillera of Mexico.—The type from 
Alvarado. 
Specimens examined :—Mexico. Victoria (Palmer, 21, 1907). Tam- 
pico (Palmer, 81, 221). Alvarado (Seler, 422, 4484—the type). Orizaba 
(Mueller, 1570). Zacuapam (Purpus, 6280). Fortin (Kerber, 1990). 
Without locality (1 Karwinski, 1844). Caxamatle (Wawra, 567). Jaya- 
eatlan, Oaxaca ( ? Smith, 360). 
Phoradendron zacapanum n. sp. 
More or less pseudodichotomous or verticillately branched, the rather 
long branches with basal cataphyls only, androgynous ?. Internodes mod- 
erate (3x30-60 mm.), aeutely 4-angled. Cataphyls a single basal pair, 
annular, white-margined. Leaves obovate to oblaneeolate-oblong, very 
obtuse or somewhat emarginate, 2-3.5x5-7.5 em., euneately subsessile. 
Spikes mostly solitary, moderate (20-30 or 40 mm.), with about 4 elon- 
gated rather fusiform joints some 10- to 18-flowered in 4--2 series: 
peduncle 3-5 mm. long. Fruit (immature) subglobose, smooth: sepals 
closely inflexed.— Plate 168. 
Guatemalan region.— The type from Gualan. 
Specimens examined :—GUATEMALA. Gualan, Zacapa (Kellerman, 
5604, Dec. 30, 1906, 5612—the type, 5728, 5972). Without locality 
(7 Friedrichsthal, 1625 >. 
39. EMARGINATAE. 
Leaves broad or small, usually rather papery, basinerved, but mostly 
with prominent midrib beneath. Shoots aneipital or acutely quadrate, 
mostly papillate. Cataphyls a single pair, on the basal joint only. Flow- 
ers іп 2, 4 or 4+2 series. Fruit warty, the sepals usually parted. South 
America: one species in Yucatan and one in the West Indies. 
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