136 THE GENUS PHOEADENDEON 



with about 4 slightly clavate joints some 18- to 42-flowered in 6 or 8 

 series: peduncle scarcely 5 mm. long, sometimes with a basal pair of 

 scales. Fruit white, globose, smooth, 3 mm. in diameter: sepals closely 

 inflexed. Plate 200. 



Antillean and Caribbean regions. The type from Cuba. 



Specimens examined: ANTILLES. CUBA (de la Ossa, 1825, the type 

 of V. hexastichum; fShafer, 8590, Wright, 1252}. HAITI (Picarda, 1623; 

 ex. herb. Sprengel, as V. myrtilloides). SANTO DOMINGO (Eggers, 1899; 

 Lloyd, 765; Taylor, 328; v. Tuerckheim, 3284; Wright, Parry & Brum- 

 mel, 460). PUERTO Rico (Hess, 675; Sintenis, 2836, 5383}. CARIBBEES. 

 GUADELOUPE (Duss, 4137}. MARTINIQUE (Belanger, 131; Duss, 1375, 

 4415; Hahn, 1386; Sieber, 227 in part). ST. VINCENT (Guilding; Smith, 

 297}. GRENADA (Broadway, 1021}. 



With lanceolate leaves only 2-2.5 cm. wide, it is var. angustifolia, 

 Phoradendrum hexastichum angustifolium Krug & Urban, Bot. Jahrb. 

 vol. 24. p. 46. 1897, from Grenada (Eggers, 6140}, connected with the 

 type by Broadway, 1894, from the same island. Plate 201. 



Phoradendron Oliverianum n. sp. 



More or less fascicled, the moderate branches with basal cataphyls 

 only, dioecious?. Internodes rather short (2-5x20-50 mm.), nearly smooth, 

 the upper ancipital and somewhat dilated upwards. Cataphyls a single 

 pair, mostly 5-10 mm. above the base, ovate, spreading. Leaves elliptical 

 or subovate, more or less mucronulate but very obtuse, 2 or 2.5-4x4.5-6 

 or 10 cm., cuneately or rather abruptly petioled for 5-8 mm. Spikes more 

 or less clustered, moderate (20-35 mm.), with about 3 subfusiform joints 

 some 10- to 24-flowered in 4-6 series: peduncle 2-5 mm. long. Fruit?. 

 Plate 201. 



Eastern Sierra Madre region. The type from eastern Mexico. 



Specimens examined : MEXICO. El Mirador, Vera Cruz (Liebmann, 

 6, 3085, 1842, the type : P. hexastichum Oliver, Vidensk. Meddel. Na- 

 turh. Foren. Kjobenhavn. 1864. p. 175). 



46. PTERONEURAE. 



Leaves usually large, more or less coriaceous, rarely revolute, pin- 

 nately nerved. Shoots subterete to ancipital, 2-keeled or quadrangular. 

 Cataphyls 1- several pairs, on the basal joint only or on all in cases of 

 forking. Flowers in 4-6 series. Fruit rounded, mostly smooth, with 

 more or less closed sepals. West Indies and South America. 



Usually forking and hence with cataphyls on all joints. P. racemosum. 

 Cataphyls on the basal joints only. 



