116 THE GENUS PHORADENDRON 
Spikes 3- or more jointed: leaves mostly drying papery. 
Shoots 4-winged: fruit large (4 mm.). P. Lyoni. 
Shoots rhombieally ancipital or 4-lined. 
Leaves obovate. 
Rather large (fully 2x3 em.), and firm, emarginate. 
P. emarginatum. 
Smaller (scarcely 1.5x2.5 em.). 
Blunt or emarginate. P. minor. 
Often mucronate. 
Shoots little dilated. 
Leaves very small (under 1 em.). 
P. obovatifolium. 
Leaves larger. 
Suborbicular. P. mucronatum. 
Cuneate-obovate. P. yucatanum. 
Shoots much flattened. P. Ottonis. 
Leaves oblanceolate-obovate. P. Degenianum. 
Spikes 1- or 2-jointed. 
Leaves long-cuneate. P. cunetfolium. 
Leaves obovate or elliptical. 
Rather papery : shoots slender. P. cearense. 
Rather fleshy : shoots stout. Р. caracasanum. 
Phoradendron Lyoni n. sp. 
Divaricately pseudodichotomous, the long stout branches with basal 
eataphyls only, androgynous?. Internodes moderate (3-4x20-50 mm.), 
papillately roughened, acutely quadrangular or winged. Cataphyls a 
single pair, nearly basal, bifid. Leaves elliptical-obovate, very obtuse to 
subacute or mucronate, 1.5-2.5x3-5 em., cuneately wide-based for about 
> mm. Spikes mostly solitary, short (in fruit 15-20 mm.), with about 
4 short 2- to 4-flowered joints: peduncle suppressed: scales ovate, cili- 
olate. Fruit red, globose, 4 mm. in diameter, verrucose: sepals suberect. 
—Plate 169. 
Venezuelan region.—The type from Venezuela. 
Specimens examined:— VENEZUELA. San Julian (М. W. Lyon, Jr. 
July 18, 1900, —the type in the U. S. National Herbarium; Robinson & 
Lyon, July 18, 1900). Las Trincheras (Warming, 1891-2). 
: > PHORADENDRON EMARGINATUM Eichler. 
Phoradendron emarginatum Eichler in v. Martius, Fl. Brasil. vol. 5. 
pt. 2. p. 118. pl. 38. 1868. 
More or less pseudodichotomous, the rather long branches with basal 
cataphyls only, androgynous. Internodes moderate (2-3x30-50 mm.). 
papillately roughened, aeutely 4-angled. Cataphyls a single nearly basal 
