244 '^^^ CACTACEAE. 



Bliihende Kakteen i: pi. 34; Martius, Fl. Bras. 4^: pi. 57; Paxton's Fl. Gard. i: pi. 99; 

 Arch. Jard. Bot. Rio de Janeiro i: pi. 14; Mollers Deutsche Gart. Zeit. 25: 477. f. 11, No. 

 15 ; Gartenwelt 13 : 117; 16: 633, 635 ; Karsten and Schenck, Vegetationsbilder i : pi. 5, f. d. 

 Plate XXXVII, figure 6, shows a fruiting branch from the plant obtained by Dr. Rose 

 in Brazil in 1915 (No. 20346) ; plate xxxvi, figure i, shows a flowering branch from a plant 

 obtained from M. Simon, of Paris, in 1901. 



52. Rhipsalis rhombea (Salm-Dyck) Pfeiffer, Enum. Cact. 130. 1837. 



Ccreiis rhombcus Salm-Dyck, Hort. Dyck. 341. 1834. 

 Hariola rhombea Lemaire, Cact. Gen. Nov. Sp. 75. 1839. 



Stems terete or angled; branches usually flat and thin, but sometimes 3-angled; joints oblong, 

 I 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. 



Fig. 231. — Rhipsalis crispimarginata. 



Type locality: Not cited. 



Distribution: Brazil, but range unknown. 



Cereus crispatus crenulattis, Epiphyllum crenulattim, and E. rhombeum were referred 

 by Pfeiffer (Enum. Cact. 130. 1837) as synonyms of this species. 



Here perhaps also belongs Cereus crispatus iatior (Salm-Dyck, Hort. Dyck. 66. 1834), 

 which is without description. 



Illustrations: Gartenwelt 16: 635; Karsten and Schenck, Vegetationsbilder i: pi. 6, 

 f. e; Mollers Deutsche Gart. Zeit. 25: 477. f. 11, No. 13; Wildeman, Icon. Select. 2: pi. 

 67; Arch. Jard. Bot. Rio de Janeiro i: pi. 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. 



* According to the Index Kewensis this is Cactus speciosus Hooker, said to be equal to Rhipsalis swartziana. 



