BRITTON AND ROSE—-EPIPHYLLIM AND ITS ALLIES. 257 
Epiphyllum grande (Lem.) Britt. & Rose. 
Phyllocactus grandis Lem, Fl. Serr. 3: 255. 1847. 
Tyre Locauitry: In Cuba, according to Lemaire. The plant is not known in Cuba 
at the present time. 
DisTrIBuTION: Honduras and Cuba, according to Schumann. 
ILLUSTRATIONS: Monatsschr. Kakteenk. 20: 123, as Phyllocactus grandis. 
Epiphyllum grandilobum (Weber) Britt. & Rose. 
Phyllocactus grandilobus Weber, Bull. Mus. Hist. Nat. 8: 463. 1902. 
TYPE LocaLity: La Hondura, Costa Rica. 
DistriBuTion: Costa Rica. 
This must be Phyllocactus macrolobus of Schumann’s Keys. 
Epiphyllum guatemalense Britt. & Rose, sp. nov. PuateE 78. 
A rather stout plant, in cultivation a meter high or more; old stem woody, with 
gray bark, terete; branches green, flat, 4 to 8 cm. broad, narrowed at base and there 
terete, coarsely crenate, obtuse at apex; flower bud pointed; flowers nocturnal, 
including the ovary about 28 cm. long; tube about 15 cm. long, straight or nearly so, 
green or yellowish green, somewhat angled, at least below, bearing only a few red- 
tipped scales, the inner and central part of the tube densely pilose; outer sepals 
scale-like with red reflexed tips; petals pure white, narrow, 8 or 9 cm. long, acuminate; 
stamens borne on the whole inner surface of the rather short throat, and therefore in 
more than one series; filaments pure white; style 25 cm. long, somewhat glossy, 
bright yellow; ovary pale, bearing only a few spreading bracts. 
Type in United States National Herbarium, no. 691401, collected in Guatemala by 
F. Eichlam, but definite locality not given. 
Living material, sent to Washington by the late F. Eichlam in 1910 as Phyllocactus 
thomasianus, flowered in Washington October 10, 1912. It is decidedly different 
from that species in its white filaments, yellow style, and other characters. 
EXPLANATION OF PLATE 78.—Branch and flower of the living type plant, in cultivation. Scale 4. 
Epiphyllum hookeri Haw. Phil. Mag. 6: 108. 1829. 
Cereus hookeri Link & Otto, Cat. Sem. Hort. Berol. 1828. 
Phyllocactus hookeri Salm-Dyck, Cact. Hort. Dyck. 38. 1842. 
Type Locauity: In Brazil. 
Distrisution: Brazil. 
ILLUsTRATIONS: Curtis’s Bot. Mag. 53: pl. 2692, as Cactus phyllanthus. Pfeiff. & 
Otto, Abbild. Beschr. Cact. 1: pl. 5, as Cereus hookeri. 
Epiphyllum latifrons Zucc. in Pfeiff. Enum. Cact. 125. 1837, as synonym. 
Cereus latifrons Pfeiff. Enum. Cact. 125. 1837. 
Phyllocactus latifrons Link in Walp. Repert. Bot. 2: 341. 1843. 
TYPE LocaALITy: Mexico, between Vera Cruz and Cordova, according to Schumann. 
DisTRIBUTION: Mexico, but not known from wild material. 
IttustRaTions: Pfeiff. & Otto, Abbild. Beschr. Cact. 1: pl. 10. f. 2-3; Curtis’s 
Bot. Mag. 67: pl. 38183—both as Cereus latifrons. Cact. Journ. 1: 55, as Phyllocactus 
latifrons. 
Epiphyllum lepidocarpum (Weber) Britt. & Rose. 
Phyllocactus lepidocarpus Weber, Bull. Mus. Hist. Nat. 8: 462. 1902. 
TYPE Locatity: Near Cartago, Costa Rica. 
DisterpuTion: Known only from Costa Rica. 
Epiphyllum nelsonii Britt. & Rose, sp. nov. 
Stems 60 to 120 cm. long, perhaps erect, slender and terete below, flat and thin 
above, here 3 to 4 cm. broad; margin crenate; flowers appearing from near the 
tips of the branches, 8 cm. long, light rose red; tube of flower short, funnel-form: 
ovary globular, bearing minute scales. 
