258 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Type in the United States National Herbarium, no. 255576, collected near Chicharras, 
Chiapas, Mexico, altitude 900 to 1,800 meters, February 12 to 15, 1896, by E. W. 
Nelson (no. 3761). 
The plant grows on oak trees. 
Epiphyllum oxypetalum (DC.) Haw. Phil. Mag. 6: 109. 1829. 
Cereus oxypetalus DC. Prodr. 3: 470. 1828. 
Phyllocactus oxypetalus Link in Walp. Repert. Bot. 2: 341. 1843. 
Phyllocactus grandis Lem. Fl. Serr. 3: 255. 1847. 
Type LocaLity: In Mexico. 
DisTRIBUTION: Mexico and Guatemala. 
Intustrations: Mém. Mus. Hist. Nat. 17: pl. 14, as Cereus oxypetalus. Forst. 
Handb. Cact. ed. 2. /. 112, as Phyllocactus orypetalus. Monatsschr. Kakteenk. 20: 123, 
as Phyllocactus grandis. Gartenwelt 10: 560, as Phyllocactus latifrons. 
Epiphyllum phyllanthoides (DC.) Sweet, Hort. Brit. 172. 1826. 
Cactus phyllanthoides DC. Cat. Hort. Monsp. 84. 1813. 
Cereus phyllanthoides A. DC. Prodr. 3: 469. 1828. 
Phyllocactus phyllanthoides Link, Handb. Gewiichs. 2: 11. 1831. 
TYPE Locatity: In Mexico. 
DistrisuTion: Mexico. 
InLusTRATIONS: Curtis’s Bot. Mag. 46: pl. 2092, as Cactus phyllanthoides. Schum. 
Gesamtb. Kakt. f. 42; Pfeiff. & Otto, Abbild. Beschr. Cact. 2: pl. 17; Monatsschr. 
Kakteenk. 7: 87; Safford, Ann. Rep. Smiths. Inst. 1908: /. 24—all as Phyllocactus 
phyllanthoides. Bonpl. Descr. Pl. Rar. pl. 3; Edwards’s Bot. Reg. 4: pl. 304, both as 
Cactus speciosus. 
Epiphyllum phyllanthus (L.) Haw. Syn. Pl. Succ. 197. 1812. 
Cactus phyllanthus L. Sp. Pl. 469. 1753. 
Opuntia phyllanthus Mill. Gard. Dict. ed. 8. no. 9. 1768. 
Cereus phyllanthus A. DC. Prodr. 8: 469. 1828. 
Phyllocactus phyllanthus Link, Handb. Gewichs. 2: 11. 1831. 
Type Locauity: In Brazil. 
DistripuTiIon: Northern South America. 
ILLusTRATIONS: Petiver, Gazoph. Dec. pl. 59. f. 12. Pluk. Almag. Bot. pl. 247. 
f.5. Mart. Fl. Bras. 4?: pl. 44. Curtis’s Bot. Mag. 58: pl. 2692; DC. Pl. Succ. Hist. 
pl. 145; Vell. Fl. Flum. 5: pl. 33—all three as Cactus phyllanthus. Dill. Hort. 
Elth. pl. 64, as Cereus. Pfeiff. & Otto, Abbild. Beschr. Cact. 1: pl. 10. f. 1, as Cereus 
phyllanthus. Monatsschr. Kakteenk. 2: 73, as Phyllocactus phyllanthus. 
Epiphyllum pittieri (Weber) Britt. & Rose. 
Phyllocactus pittieri Weber, Dict. Hort. Bois 957. 1898. 
TYPE LOCALITY: In Costa Rica. 
DisTRIBUTION: Costa Rica. 
Epiphyllum pumilum Britt. & Rose, sp. nov. 
Old stems and lower branches woody and terete; upper branches rather thin, flat, 
10 to 60 cm, long by 3 to5 cm. wide, acute, sometimes with a long tip; margins remotely 
toothed; flowers small for the genus, including the ovary and petals only 10 cm. 
long; tube proper about 5 cm. long, greenish white, bearing a few very small, ascend- 
ing and appressed red scales; sepals linear, greenish or reddish, acute; petals white, 
lanceolate, acuminate; stamens in two groups; style slender, white; fruit not known. 
Type in the United States National Herbarium, no. 691392, collected in Guatemala 
by F. Eichlam and flowered in Washington, October 3, 1912. 
This species has frequently been collected in Guatemala, but has usually passed 
under the name of E. pittieri. This it resembles somewhat in the size of the flower, 
but the style is always white. 
