234 '^^S CACTACEAE. 



species is perhaps nearest RJiipsalis floccosa, from Brazil, and is the most northern repre- 

 sentative of the Series Floccosae. 



Plate XXIV, figure 6, is of a fruiting specimen of the t3'pe plant. 



26. Rhipsalis pulvinigera Lindberg, Gartenflora 38 : 1S6. 1889. 



Rjiipsalis fiinalis minor Pfeiffer, Enum. Cact. 135. 1837. 



Plant epiphytic, rather stout, at first erect but in time hanging, and then sometimes 3 to 5 

 meters long, the branches dull green with purple about the areoles, 5 to 7 mm. in diameter ; terminal 

 branches often in whorls of 3 to 5 ; flowers at first white, in age j-ellowish, 2 cm. broad; ovarj- sunken 

 in the branch; fruit globose, red, 8 mm. in diameter. 



Type locality: Brazil. 



Distribution: In the coastal moimtains of central Brazil. 



Schumann gives RJiipsalis grandiflora minor (Gesamtb. Kakteen 644. 189S) as a 

 sjmonym of this species, but he evidently meant R. funalis minor. 



RJiipsalis cassytha pilosiuscula Salm-Dyck (Hort. Dyck. 228. 1834), although never 

 described, probabty is to be referred here. 



Illustrations: Gartenflora 42: f. 48, as RJiipsalis funalis; Gartenflora 38: f. 33, 34; 

 Riimpler, Sukkulenten 210. f. 119; 211. f. 120; Rev. Hort. 85: f. 152, in part. 



Plate xx^'iii, figure 3, is from a plant collected by Dr. Rose near Rio de Janeiro in 

 1915, which fruited in the New York Botanical Garden in 19 15 (No. 43060). 



27. Rhipsalis floccosa Salm-D3-ck in Pfeiffer, Enum. Cact. 134. 1837. 



Hariota floccosa Lemaire, Cact. Gen. Nov. Sp. 75. 1839. 

 SJiipsalis rugulosa Lemaire, Illustr. Hort. 8: after pi. 293. 1861. 

 Hariota rugosa Kuntze, Rev. Gen. PI. i: 263. 1891. 



Stems slender, 5 to 8 mm. in diameter, much branched, at first erect, becoming pendent; branches 

 alternate; flowers lateral, 2 cm. broad, white, tinged with 3reUow, surrounded b}^ a tuft of wool; 

 ovarj- sunken in the branch; fruit globose, 5 mm. in diameter, rose-colored or nearly white. 



Type locality: Not cited. 



Distribution: Brazil. 



RJiipsalis cassytha major Salm-Djxk (Pfeiffer, Enum. Cact. 134. 1837), a synonym 

 only, is referred here by Pfeifl'er. 



Hariota floccosa Cels was used as a synonym by Forster (Handb. Cact. 458. 1846), but 

 was not technically published tmtil 1 89 1 . 



Illustration: Gartenflora 38: 185. f. 35. 



Plate XXIX, figure i, shows a flowering branch from a specimen sent by INIr. Lamb 

 from ]Manchester, England, in 19 14, and figure 2 shows a flowering branch collected by 

 Dr. Rose in Brazil in 19 15 which flowered in the New York Botanical Garden on February 

 24, 1922. 



28. Rhipsahs tucumanensis Weber, Rev. Hort. 64: 426. 1892. 



Hariota tucioiianensis Kuntze, Rev. Gen. PI. 3-: 107. 1S98. 



Epiphj'tic on forest trees, when j'oung setose, but soon naked, much branched ; branches often 

 pendent, sometimes in whorls of 4, 4 to 10 mm. in diameter, when young nearly terete, bright 

 green with a red spot at the areoles, when old angled, yellowish green ; flowers one from an areole, 

 15 to 18 mm. in diameter, rosy white to cream-colored; sepals 4, white but rose-colored on the back; 

 petals 8, ovate-lanceolate; stamens numerous, white, spreading, much shorter than petals; stjde 

 white; stigma-lobes 4 or 5 ; ovar\- sunken in the branch, surrounded b)- a tuft of wool; fruit described 

 as white tinged with red, but often red or pinkish, S to 10 mm. broad. 



Type locality: Tucuman, Argentina. 



Distrihution: Tucuman to Catamarca, Argentina, and perhaps Bolivia and Paraguay. 



