AEQUATORIALES RUBRAE 103 



Mexican and Central American. 

 Leaves subsessile. 



Northern : cataphyls rather large. P. Guazumae. 



Southern : cataphyls small. P. Rensoni. 



Leaves slenderly subpetioled. P. commutatum. 



South American. 



Leaves obovate : fruit subglobose. P. sanctae-martae. 



Leaves often oblanceolate : fruit ellipsoid. P. Zuloagae. 



Leaves elliptical- or oblong-lanceolate. 



Sepals widely spreading. South American. P. apertum. 



Sepals moderately parted. 



Mexican and Central American. P. commutatum. 



South American (fruit white?). P. Appuni. 



PHORADENDRON TRINERVIUM Grisebach. 



Phoradendron trinervium Grisebach, Fl. Br. W. I. p. 314. 1860. 

 Viscum trinervium Lamarck, Encl. vol. 3. p. 57. 1789. de Candolle, 



Prodromus. vol. 4. p. 280. 1830. 



V. myrtilloides Willdenow, Sp. PI. vol. 4. pt. 2. p. 739. 1806. 

 V. tetragonum de Candolle, Prodromus. vol. 4. p. 282. 1830. 

 V. oblongifolium de Candolle, 1. c. p. 283. 1830. 

 V. trigonum Dietrich, Syn. vol. 1. p. 546. 1839, in part. 

 V. jamaicense Macfadyen, Jam. vol. 2. p. 195. 1850. 

 Phoradendron rubrum var. brevispica Bichler in v. Martius, Fl. Brasil. 



vol. 5. pt. 2. p. 121. 1868. 



P. rubrum var. latifolia Eichler, 1. c. p. 121. 1868. 

 P. oblongifolium Eichler, I. c. p. 134 m. 1868. 

 Phoradendrum trinervium Urban, Bot. Jahrb. vol. 24. p. 37. 1897. 



Somewhat pscudodichotomous, the moderate branches with basal cata- 

 phyls only, androgynous. Internodes rather short (2-3x30-50 mm.), 

 somewhat rhombically quadrangular. Cataphyls a nearly basal pair, 

 frequently followed at a short distance by a second pair, short and rather 

 spreading. Leaves elliptical-obovate, very obtuse, 1 or 1.5-2.5x3-5 cm., 

 cuneately subpetioled for about 3 mm. Spikes more or less clustered, 

 rather short (some 20 mm.), with about 3 slender joints usually some 6- 

 or 8-flowered in 4 or 4+2 series: peduncle 1-3 or 4 mm. long. Fruit 

 red-orange, oblong becoming subglobose, smooth, 3-4 mm. in diameter: 

 sepals erect, parted. Plates 144, 145, 146. 



Through the West Indies. The type from Martinique. 



Specimens examined : BAHAMAS. ACKLIN ISL. (Brace, 4461). GREAT 

 BAGGED ISL. (Wilson, 7814, 7851). WATLING ISL. (Wilson, 7250, 7254, 

 7315). ANTILLES. JAMAICA (McNab, 68, 1846; Harvey, 1829 ;March, 

 1316; Harris & Britton, 10529). PUERTO Rico (Bertero; Heller, 6161; 

 Britton & Cowell, 1293; Britton & S~kafer, 1844; Britton & Marble, 2248; 



