244 THE CACTACEAE. 
Bliihende Kakteen 1: pl. 34; Martius, Fl. Bras. 4?: pl. 57; Paxton’s Fl. Gard. 1: pl. 99; 
Arch. Jard. Bot. Rio de Janeiro 1: pl. 14; Mollers Deutsche Gart. Zeit. 25: 477. f. 11, No. 
15; Gartenwelt 13: 117; 16: 633, 635; Karsten and Schenck, Vegetationsbilder 1: pl. 5, f. d. 
Plate xxxvil, figure 6, shows a fruiting branch from the plant obtained by Dr. Rose 
in Brazil in 1915 (No. 20346); plate xxxvI, figure 1, shows a flowering branch from a plant 
obtained from M. Simon, of Paris, in 1gor. 
52. Rhipsalis rhombea (Salm-Dyck) Pfeiffer, Enum. Cact. 130. 1837. 
Cereus rhombeus Salm-Dyck, Hort. Dyck. 341. 1834. 
Hariota rhombea Lemaire, Cact. Gen. Nov. Sp. 75. 1839. 
Stems terete or angled; branches usually flat and thin, but sometimes 3-angled; joints oblong, 
1 to 3 cm. broad, cuneate at base, strongly crenate, dark green or purple; flowers usually solitary at 
areoles but sometimes in 2’s, small, cream-colored, with a red spot at base of stamens; sepals reddish; 
petals obtuse; fruit dark red. 
Fic. 231.—Rhipsalis crispimarginata. 
Type locality: Not cited. 
Distribution: Brazil, but range unknown. 
Cereus crispatus crenulatus, Epiphyllum crenulatum, and E. rhombeum were referred 
by Pfeiffer (Enum. Cact. 130. 1837) as synonyms of this species. ° 
Here perhaps also belongs Cereus crispatus latior (Salm-Dyck, Hort. Dyck. 66. 1834), 
which is without description. 
Illustrations: Gartenwelt 16: 635; Karsten and Schenck, Vegetationsbilder 1: pl. 6, 
f. e; Mollers Deutsche Gart. Zeit. 25: 477. f. 11, No. 13; Wildeman, Icon. Select. 2: pl. 
67; Arch. Jard. Bot. Rio de Janeiro 1: pl. 16. 
Plate XXXVI, figure 2, shows a flowering plant received from the Royal Botanic Garden 
at Kew in 1902 which flowered in the New York Botanical Garden in January 1912. 
* i «ape: . 
According to the Index Kewensis this is Cactus Spectosus Hooker, said to be equal to Rhipsalis swartziana. 
