130 THE GENUS PHORADENDRON 
Leaves drying dull. South America. 
Spikes rather stout and short. Р; undulatum. 
Spikes long and slender. P. gracilispicum. 
Leaves glossy. Caribbees. P. Herminieri. 
" PHORADENDRON UNDULATUM Eichler. 
Phoradendron undulatum Eichler in v. Martius, Fl. Brasil. vol. 5. pt. 2. 
p. 122. pl. 39. 1868. 
Viscum undulatum Pohl in de Candolle, Prodromus. vol. 4. p. 282. 1830. 
Phoradendrum undulatum Urban, Bot. Jahrb. vol. 24. p. 42. 1897,—as 
to the mainland. 
More or less pseudodichotomous or verticillate, the long branches with 
basal eataphyls only, androgynous. Internodes moderate (2-5x30-70 
mm.), smooth, for a time strongly ancipital. Cataphyls a nearly basal 
pair usually followed by 1 or 2 additional pairs and occasionally by a 
fcurth, at intervals inereasing up to 40 mm., tubular, somewhat keeled 
and pointed. Leaves lanceolate to oblanceolate or somewhat ovate, very 
obtuse to acuminate, 2-4x7-15 em., cuneately subpetioled for 5-10 mm. 
Spikes often clustered, moderate (30, lengthening to 50 mm.), with 4-6 
short rather stout joints some 10-flowered in 412 series: peduncle very 
short, with 1 or 2 basal pairs of scales: scales ciliolate. Fruit round- 
a smooth, 3 mm. in diameter: sepals somewhat parted.—Plates 190, 
Brazilian and Bolivian regions.— The type from Brazil. 
Specimens examined:—BrazıL. Barbacena (Pohl, 868, 1828,—the 
type of V. undulatum). Minas Geraes (Lindberg, 253). Rio de Janeiro 
(Riedel; Glaziou, 4003, 6893, 8243). Without locality (Burchell, 4396). 
BoLivia. Yungas (?Bang, 363, 2903). Mapiri (Rusby, 1546). 
М Phoradendron gracilispicum n. sp. 
Somewhat pseudodichotomous, the long branches with basal cataphyls 
only, androgynous?. Internodes moderate (2-3x40-60 mm.), ancipital 
and rather persistently 2-keeled. Cataphyls a nearly basal pair usually 
followed by a second pair some 20 mm. higher, and occasionally by a third 
pair, acute, 2.5-4х10-16 етп., wing-petioled for 10-15 mm. Spikes often 
clustered, long (40-70 mm.), reddish, with about 10 slender joints some 
12-flowered іп 4 or 4--2 series: peduncle 2 mm. long, often followed by 
1 or 2 partly or wholly sterile joints: scales and receptacular cups cili- 
olate. Fruit (young) elongated: sepals meeting.— Plate 192. 
Isthmian and Venezuelan regions.— The type from Costa Rica. 
Specimens examined :—Cosra Rica. Monte de Velirla du Copey 
(Tonduz, 12215, the type). Rio Jesus (Brenes, 14519). San José (Hoff- 
