AEQUATORIALES FLAVENTES 151 



cr elliptical, mucronately very obtuse, .3-.5x3-4 cm., or .8x2 cm., quickly 

 subsessile. Spikes more or less clustered, short (15, becoming scarcely 25 

 mm.), with about 3 swollen joints verticillately 4- to 6-flowered: peduncle 

 scarcely 2 mm. long, sometimes with a basal pair of scales. Fruit red 

 or yellow, ovoid, smooth, 3x5 mm. : sepals erect, parted. Plate 227. 



Brazilian region. The type from Para. 



Specimens examined: BRAZIL. Barra, Rio Negro (Spruce, 1850-51; 

 Riedel; v. Martins}. Santarem, Para (Spruce, 1=226, 2=228, 1849-50, 

 the type). Rio de Janeiro (Glaziou, 13925a). CAYENNE. Without data 

 ( ?Herb. Mus. Paris.). 



53. FLAVENTES. 



Leaves rather large, lanceolate or ovate, usually sharply basinerved 

 and reticulate above, but heavy-nerved and veinless beneath. Shoots 2- 

 edged to nearly terete. Cataphyls on all joints, usually 2 or 3 pairs on 

 the lowermost and a single pair at some distance above the base on the 

 others, triangular, keeled and pointed. Flowers usually in 6 series. Fruit 

 rather ellipsoid, nearly smooth, with closed sepals. Central and South 

 America ; one species in the West Indies. 



Flowers in 6 series. 



Leaves dull and veinless : peduncles long. P. pachyphyllum. 



Leaves glossy and reticulated above. 



Peduncle rather long. P. Knoopii. 



Peduncle short. 



Leaves ovate-lanceolate. 



Spikes very long, with elongated joints. 



Leaves moderate (4x6 cm.). P. chrysocladon. 

 Leaves large (5x10 cm.). P. membranaceum. 

 Spikes with short joints. P. quinquenervium. 



Leaves lanceolate. 



Moderate, subsessile. 



Shoots scarcely keeled. P. supravenulosum. 

 Shoots sharply 2-lined. P. flavens. 



Large, more petioled. P. trisulcatum. 



Flowers in about 8 (6-10) series. 



Spikes relatively slender, short-stalked. P. Urbanianum. 



Spikes very stout : peduncle elongated. P. Lindavianum. 



Phoradendron pachyphyllum n. sp. 



More or less pseudodichotomous, the rather long branches with cata- 

 phyls on all joints, androgynous?. Internodes moderate (3-5x60-80 mm.), 

 nearly smooth, 2-edged. Cataphyls a single pair 10-15 mm. above the 

 base, deltoid, keeled and pointed. Leaves round-elliptical, obtuse, 5-6x7-9 



