EPIPHYLLUM. 193 
f. 42, No. 4; Rother, Praktischer Leitfaden Kakteen 80, as Phyllocactus crenatus; Loudon, 
Encycl. Pl. ed. 3. 1379. f. 19401. 
Figure 199 is from a photograph showing the base and tip of a branch of this species 
sent from Guatemala. 
0 6 eh MEE Poe arpa a: he 
mer 
Fic. 199.—Epiphyllum crenatum. 
9. Epiphyllum macropterum (Lemaire). 
Phyllocactus macropterus Lemaire, Illustr. Hort. 11: Misc. 73. 1864. 
Phyllocactus thomasianus Schumann, Monatsschr. Kakteenk. 5: 6. 1895. 
Phyllocactus costaricensis Weber, Bull. Mus. Hist. Nat. Paris 8: 463. 1902. 
? Phyllocactus macrocarpus Weber, Bull. Mus. Hist. Nat. Paris 8: 464. 1902. 
Epiphyllum costaricense Britton and Rose, Contr. U. 5S. Nat. Herb. 16: 256. 1913. 
Epiphyllum thomasianum Britton and Rose, Contr. U. S. Nat. Herb. 16: 259. 1913. 
Plants up to 2 meters long, the joints weak, sometimes 10 cm. broad, thin, their margins horny; 
areoles distant (4 to 6 cm. apart) along the slightly indented margins, flower very large jor genus, 
long, curved as in Epiphyllum oxypetalum; scales of ovary small, green, spreading, with long hairs 
in their axils; scales on tube longer (10 to 12 mm. long), less spreading but similar to those on ovary, 
acute; outer perianth-segments narrow, salmon-colored or with yellow tips, sy cm. ong inner 
perianth-segments pure white, 8 to 9 cm. long, 2 to 3 cm. broad; tube of the ower 10 to r 2 cm. 
long; throat 5 to 6 cm. long, funnelform, narrow below, 3 cm. broad at top; stamens emon-y “ i 
slender, in 2 definite clusters, a single continuous row at top of throat, the second cluster sca ere 
all over throat except for intervals of 2 cm. below upper one; style stout, 20 cm. long, pure white. 
Type locality: Not cited. 
Distribution: Costa Rica. . f the joint 
According to Mr. Fraile, the flower always comes out on the under side of the join 
and lies appressed to it, instead of standing out free from it as in other species of the genus. 
A vigorous plant in greenhouse cultivation but it flowers only sparingly. 
Illustrations: Monatsschr. Kakteenk. 5: pl. [1]; Blithende Kakteen 1: pl. 41, as 
Phyllocactus thomasianus. 
Plate xvu, figure 1, shows a branch of a plant sent by Dr. Wm. R. Maxon from San 
José, Costa Rica, which flowered in the New York Botanical Garden in 1912; figure 2 
