. Carnegie Institution of Washington publication. HYLOCEREUS. 189 Collected by Brother Leon on a wall, Jata Hills, near Guanabacoa, Province of Habana, Cuba, July 14, 1913 (No. 3719). Living specimens were introduced into the New York Botanical Garden which flowered in September 1917. We are disposed to refer here J. A. Shafer's No. 13931 from lime rocks at Portales, Province of Pinar del Rio, Cuba. A plant from the Isle of Pines sent to us by O. E. Jennings probably belongs here, but the poor specimen which we have seen does not enable us to definitely refer it to this species. Figure 265 sho
. Carnegie Institution of Washington publication. HYLOCEREUS. 189 Collected by Brother Leon on a wall, Jata Hills, near Guanabacoa, Province of Habana, Cuba, July 14, 1913 (No. 3719). Living specimens were introduced into the New York Botanical Garden which flowered in September 1917. We are disposed to refer here J. A. Shafer's No. 13931 from lime rocks at Portales, Province of Pinar del Rio, Cuba. A plant from the Isle of Pines sent to us by O. E. Jennings probably belongs here, but the poor specimen which we have seen does not enable us to definitely refer it to this species. Figure 265 shows a section of a branch of the type specimen. 9. Hylocereus lemairei (Hooker) Britton and Rose, Contr. U. S. Nat. Herb. 12: 428. 1909. Cercus lemairei* Hooker in Curtis's Bot. Mag. 80: pi. 4814. 1854. Cereus trinitatensis Lemaire and Herment, Rev. Hort. IV. 8: 642. 1859. A somewhat slender, high-climbing vine; joints 3-angled, freely rooting on one side, 2 to 3 cm. in diameter, plain green; margins with slight elevations at the areoles; areoles 2 to cm. apart; spines usually 2, very short, swollen at base, brownish; flower-buds elongated, acuminate; flower about 27 cm. long; tube, including ovary, 15 cm. long; scales on ovary and lower part of the tube ovate, dark green, with the margins and tips deep purple; scales on upper part of the tube much elongated, but marked like the lower ones; outer perianth-segments about 20, 12 cm. long, i cm. wide or less; edges slightly upturned, widely spreading or reflexed, yellowish green, sometimes a little purplish at the tip and the inner one somewhat rose-colored at the base; inner perianth-seg- ments about 15, mostly oblanceolate, cm. broad at the widest portion, acute, the lower portion pinkish, above nearly pure white; filaments cream-colored, about three-fourths the length of the inner perianth-segments; style thick, nearly as long as the inner perianth-segments; stigma-lobes cleft to the middle and the branches often notched
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