238 THE CACTACEAE. 
36. Rhipsalis houlletiana Lemaire, Illustr. Hort. 5: Misc. 64. 1858. 
Rhipsalis houlletit Lemaire in Curtis’s Bot. Mag. 100: pl. 6089. 1874. 
Rhipsalis regnellat Lindberg, Gartenflora 39: 119. 1889. 
Hariota houlletiana Kuntze, Rev. Gen. Pl. 1: 263. 1891. 
Stems 1 to 2 meters long, slender, terete below but flat and broad above; branches flat and thin, 
1 to 5 cm. broad, tapering into a petiole-like base; margin serrate; flowers numerous, bell-shaped with 
a red eye; petals cream-colored, turning pale yellow, lanceolate, acute; stamens numerous; ovary not 
sunken in the branch, strongly 4 to 5-angled; fruit not angled, globose, red, 5 to 6 mm. in diameter. 
Type locality: Not cited. 
Distribution: Brazil, in the states of Minas Geraes, Rio de Janeiro, and Sao Paulo. 
This species grows on trees in the mountains at an altitude of 1,000 meters. 
Rhipsalis regnelliana appears in the general index for the Monatsschrift fiir Kakteen- 
kunde (volumes 1-20) in place of R. regnellit. . 
Illustrations: Blithende Kakteen 1: pl. 56; Engler and Prantl, Pflanzenfam. 3%: f. 69, 
C; Gartenflora 39: f. 29, 31 to 33; Schumann, Gesamtb. Kakteen f. 98, E; Martius, Fl. Bras. 
4°: pl. 58; Mollers Deutsche Gart. Zeit. 25: 477. f. 11, No. 14, as Rhipsalis regnellii; Curtis’s 
Bot. Mag. too: pl. 6089; Gartenflora 39: f. 30; Riimpler, Sukkulenten 212. f. 121, as R. 
houlleti; Rev. Hort. Belge 40: after 186, as R. kegnelli (in error for R. regnellit) ; Blithende 
Kakteen 2: pl. 111; Arch. Jard. Bot. Rio de Janeiro 1: pl. 17. 
Plate xxxitl, figure 1, shows a flowering plant collected by Dr. Rose in Rio de 
Janeiro, Brazil, in 1915 (No. 20307), which flowered in the New York Botanical Garden in 
1918; figure 2 shows a plant obtained from M. Simon of St. Ouen, Paris, in 1901, as Rhipsalis 
regnell1t, which flowered in the New York Botanical Garden December 16, 1916; figure 3 
shows a dissected flower and figure 4 a fruiting branch; plate xxx1v, figure 1, shows a plant 
with flowers obtained in Paris in 1901; figure 2 shows a flower cut through the center. 
37. Rhipsalis warmingiana Schumann in Martius, FI. Bras. 47: 291. 1890. 
At first erect, then spreading or hanging; branches elongated, jointed, 10 mm. wide or less, 
either flat or sharply 3 or 4-angled, more or less blotched or colored throughout with purple or red; 
flowers one at an areole, 20 mm. long, white, directed forward, the perianth-segments spreading, 
acute; stamens 25 to 30, white; ovary strongly angled; fruit globose, 5 to 6 mm. in diameter, dark 
purple to nearly black, capped by the withered flower. 
Type locality: Near Lagoa Santa, Minas Geraes; two localities were cited when first 
described, this being the first. 
Distribution: State of Minas Geraes, Brazil. 
The plant has long been in cultivation, where it does well and blooms freely. Dr. Rose 
brought back a fresh supply from Brazil in 1915. According to Robert Lamb, the flowers 
have a perfume resembling that of a hyacinth. 
Illustrations: Monatsschr. Kakteenk. 9: 151; Arch. Jard. Bot. Rio de Janeiro 1: pl. 18; 
Gartenflora 41: f. 5, 6, 7. 
Plate xxx, figure 2, shows a plant from M. Simon which flowered in the New York 
Botanical Garden in 1912; plate xxxrv, figures 3 and 4, shows two fruiting branches 
received from the Berlin Botanical Garden in 1902. 
38. Rhipsalis gonocarpa Weber, Rev. Hort. 64:427. 1892. 
_ Very much branched; joints narrowly lanceolate to linear, crenate, 3-angled or flattened, becom- 
ing purplish; flowers lateral, white, 1 5 mm. long; petals 7 or 8, lanceolate; stamens 20 to 30, white; 
ovary strongly 3-angled; stigma-lobes 3 or 4; fruit terete, dark purple to black, globular to short- 
oblong, 10 to 12 mm. long. 
Type locality: Séo Paulo, Brazil. 
Distribution: State of Sao Paulo, Brazil. 
