BRITTON AND ROSE—EPIPHYLLUM AND ITS ALLIES. 261 
Type Locatity: Near Rio de Janeiro, Brazil. 
DistRIBUTION: Brazil. 
IntustraTions: Cact. Journ. 1: 9, 114; Gartenflora 39: /. 96; Rev. Hort. Belg. 
15: 229. f. 2—all as Epiphylium russellianum gaertneri. Curtis’s Bot. Mag. 117: 
pl. 7201; Gartenwelt 10: 559—both as Epiphyllum gaertneri. Blihende Kakt. pl. 21; 
Gartenflora 33: pl. 1172; Monatsschr. Kakteenk. 4: 107; Riimpl. Sukkulenten 148. 
f. 80—all as Phyllocactus gaertnert. 
Schlumbergera russelliana (Hook.) Britt. & Rose. PuaTE 81. 
Epiphyllum russellianum Hook. Curtis’s Bot. Mag. 66: pl. 3717. 1840. 
Phyllocactus russellianus Salm-Dyck, Cact. Hort. Dyck. 37. 1845. 
Schlumbergera epiphylloides Lem. Rev. Hort. IV. 7: 253. 1858. 
TYPE LOCALITY: Organ Mountains, Brazil. 
DistriBuTion: Brazil. 
ILLUSTRATIONS: Curtis’s Bot. Mag. 66: pl. 3717; Gartenflora 33: pl. 1172; Férst. 
Handb. Cact. ed 2. f. 119—all as Epiphyllum russellianum. Cycl. Amer. Hort. 
Bailey 2: f. 766, as Epiphyllum truncatum russellianum. Riimpl. Sukkulenten /. 79, 
as Phyllocactus russellianus. 
EXPLANATION OF PLATE 81.—Flowering branch of a greenhouse specimen. Natural size. 
WITTIA Schum. Monatsschr. Kakteenk. 13: 117. 1903. 
Joints flattened, somewhat thickened, spineless, the margins more or less crenate; 
flowers small for this group, not fugacious, with a definite tube; lobes much shorter 
than the tube; style (so far as known) slender, white; ovary and fruit small. In 
many respects similar to Rhipsalis, but with very different flowers. 
Type species, Wittia amazonica Schum. 
Wittia amazonica Schum. Monatsschr. Kakteenk. 13: 117. 1903. 
Type LOcALITy: Peru, near Laetica and Tarapoto. 
DistRisuTION: Known only from the type locality. 
IxLustrRaTions: Monatsschr. Kakteenk. 13: 119. 
Wittia costaricensis Britt. & Rose. Puate 82. 
Stems 40 to 50 cm. long, erect or curved, flat, 1 to 3 cm. broad, with horizontal 
branches narrowed at base, pointed, the margin low-serrate; areoles 12 to 15 mm. 
apart; ovary, tube, and sepals purplish; ovary 3 mm. long, bearing a few very short 
bracts; tube of flower about 8 mm. long; petals white, obtuse, spreading; stamens 
erect; style white; stigmas 4. 
Type in the United States National Herbarium, no. 691402, collected on the west 
coast of Costa Rica in 1907 by H. Pittier. 
EXPLANATION OF PLATE '82,—Growing plant of the type collection, raised from a cutting. Scale 
about 3. 
Wittia panamensis Britt. & Rose, Contr. U.S. Nat. Herb. 16: 241. 1913. 
TyPe Locality: Mountains above Chepo, Panama. 
DIsTRIBUTION: Panama. 
ItLusTRATIONS: Contr. U. 8. Nat. Herb. loc. cit. pl. 72. 
ECCREMOCACTUS Britt. & Rose, gen. nov. 
Plants epiphytic, pendent, several-jointed, the joints flat and thin, with spine- 
bearing marginal areoles; flowers funnel-form, the short, nearly cylindric tube bearing 
small scales, but no spines; perianth withering-persistent, its segments obtuse, 
rounded, or the innermost acutish; stamens and style white, included; fruit carmine 
red, oblong, with a few spineless areoles; seeds numerous, minute, black. 
Type species, Eccremocactus bradei Britt. & Rose. 
