A KQUATORIALES EOBUSTI8SIM A K 77 



Phoradendroiv vulcanicum n. sp. 



Somewhat pseudodichotomous, the moderate branches with basal cata- 

 phyls only, androgynous?. Internodes moderate, (2-5x40-70 mm.), 

 smooth, somewhat compressed and dilated below the nodes but not angu- 

 lar. Cataphyls a single nearly basal pair, acute. Leaves broadly ellip- 

 tical to ovate or obovate, very obtuse, 2.5-3x4-6.5 cm., rather abruptly 

 petioled for about 5 mm. Spikes mostly clustered, short (10 mm.), with 

 2 or 3 short joints some 10-flowered in 4-(-2 series: peduncle nearly sup- 

 pressed. Fruit?. Plate 99. 



Guatemalan region ( ? exclusively) on Leguminosae. The type from 

 Acatenango. 



Specimens examined: GUATEMALA. Volcan Acatenango, Sacatepe- 

 quez (Kellerman, 4829, Feb. 20, 1905, the type). Volean Fuego, Saca- 

 tepequez (Kellerman, 4551} . 



Phoradendron crispum n. sp. 



More or less verticillate, the moderate branches with basal cataphyls 

 only, androgynous?. Internodes rather short (2-3x40 mm.), smooth, es- 

 sentially terete. Cataphyls a single pair, 10-20 mm. above the base, short 

 and spreading. Leaves round-obovate, much crisped in drying, very ob- 

 tuse, 1.5-2.5x3-5 cm., rather abruptly petioled for about 5 mm. Spikes 

 mostly solitary, short (15 mm.), with 2 or 3 short rather slender joints 

 some 16- to 20-flowered in 4+2 series: peduncle 2 mm. long. Fruit?. 

 Plate 99. 



Isthmian region ( ? exclusively) on Myrtaceae. The type from Costa 

 Rica. 



Specimens examined: COSTA RICA. Locality? (Pittier, 14117, Dec. 

 31, 1900, the type). Volcan de Poas (Pittier, 816). 



18. ROBUSTISSIMAE. 



Leaves rather large and broad, thick, dull and obscurely basinerved. 

 Shoots 2-edged or terete. Cataphyls usually a single pair, on the basal 

 joint only. Flowers in 4, 4+2 or 6 series. Fruit nearly round, smooth, 

 with closed sepals. Mountain regions of Mexico and Central America. 



Internodes for a time strongly 2-edged : leaves ovate- 

 lanceolate. P- Reichenbachianum. 

 Internodes not 2-edged. 



Leaves elliptical. P- robustissimum. 



Leaves lanceolate. P- falcifoUum. 



