158 THE GENUS PHORADENDKON 



smooth, with closed sepals. South America, the Galapagos Islands, and 

 the West Indies. 



Spikes slender: leaves broadly lanceolate. P. dichotomum. 



Spikes moderate. 



Leaves broad (1 :2) . 

 Eound-obovate. 



Spike- joints turbinate. P. cymosum. 



Spike-joints oblong. P. galapageium. 



Broadly lanceolate or ovate. P. Henslovii. 



Leaves elongated (1 :5). P. uncinatum. 



Spikes stout. 



Leaves elongated. 



Lanceolate. P. campinense. 



Lance-oblong, thick. P. Holtonis. 



Leaves orbicular. P. Lindeni. 



PHOEADENDRON DICHOTOMUM (Krug & Urban). 



Viscum dichotomum Bertero in Sprengel, Syst. vol. 1. p. 488. 1825. 

 Viscum Berterianum de Candolle, Prodromus. vol. 4. p. 281. 1830. 

 PTioradendron Berterianum Eichler in v. Martius, Fl. Brasil. vol. 5. pt. 2. 



p. 127. 1868. 



P. Giordanae Warburg, Tropenpflanzer. vol. 9. p. 635. 1905, name only. 

 Phoradendrum dichotomum Krug & Urban, Bot. Jahrb. vol. 24. p. 48. 



1897. 



Forked at every node, sometimes with a terminal spike, the rather 

 long slender branches therefore with cataphyls on all joints, androgy- 

 nous. Internodes rather long (1-3x30-80 mm.), the upper transiently 

 more or less rhombically compressed. Cataphyls a nearly basal pair fol- 

 lowed at 10-20 mm. by a second, exceptionally a third pair interposed, 

 not tubular, acute, white-margined. Leaves lanceolate, mucronately sub- 

 acute, 2-3x6-9 or even 5x12 cm., euneately subpetioled for scarcely 5 mm. 

 Spikes mostly solitary, long (40-75 mm.), with about 4 slender joints 

 some 18- to 40-flowered in 4-(-2 series : peduncle 2 mm. long, followed by 

 a sterile joint : scales scarcely ciliate. Fruit white, round, nearly smooth, 

 4 mm. in diameter: sepals inflexed. Plates 237, 238, 239. 



Antillean region on Mangifera, Petitia, Trichttia, etc. The type 

 from Santo Domingo. 



Specimens examined: ANTILLES. CUBA (Wright, 216, 437, 1251; 

 Shafer, 8817}. PUERTO Kico (Sintenis, 23451), 2348, 3058, 4288, 6114, 

 6419). HAITI (Buch, 454; Christ, 2096; Picarda, 215; Nash, 633; Nash 

 & Taylor, 1151}. STO. DOMINGO (Bertero, 710, the type of V. dichoto- 

 mum, from Sprengel in the Presl herbarium ; Bertero, 1821, the type of 

 V. Berterianum; Poiteau, 617, 1802 ; Wright, Parry & Brummel, 464}. 



