RHIPSALIS. 



235 



This species is common in northern Argentina, where it was repeatedly collected by 

 Dr. Shafer in 1 9 1 7 . 



Of this relationship, but perhaps specifically distinct, is the plant sent by M. Bang (No. 

 2323) from Coripati, Yungas, Bolivia, distributed as RhipsaUs salicornioides. Here we have 

 tentatively referred K. Fiebrig's plant (No. 5801) from the Upper Parana, Paraguay. 



Of plate xxviii, figures 4 and 5 show flowering and fruiting branches from Dr. Shafer's 

 collection from Calilegua, Argentina (Nos. 55 and 68), painted at the New York Botanical 

 Garden, May 24, 1922. 



Fig. 226. — Rhipsalis sulcata. Reduced. 



Fig. 227. — Rhipsalis gibberula. X0.5. 



29. Rhipsalis gibberula Weber, Rev. Hort. 64: 426. 1892. 



Stems 3 to 6 mm. thick, yellowish green, with dichotomous or trichotomous branches or some- 

 times with terminal whorls of 4 or 6; areole small ; buds obtuse, pinkish, hairy when in flower; flowers 

 scattered along branches toward tip, white to pale pink, 8 to 9 ram. long, 12 to 15 mm. broad; petals 

 not widely spreading (at least in our specimen); stigma-lobes 3 to 6, white; fruit white, somewhat 

 depressed, 8 to 10 mm. in diameter, 7 to 8 mm. high, the base sunken in the branch. 



■ Type locality: Brazil. 



Distribution: Organ Mountains, Brazil. 



The species was described from plants brought to Paris from Brazil in 1887, their 

 habitat not recorded, but Dr. Rose traced it to the Organ Mountains in 191 5 and his plant 

 flowered in the New York Botanical Garden in February 1921 (No. 21 161). In 1902 a 

 specimen was sent from Paris to the New York Botanical Garden and one specimen was 

 obtained from R. Lamb, Superintendent of Parks at Manchester, England, in 1914, but 

 neither has done well in cultivation. 



Plate XXIX, figure 4, is from a plant collected by Dr. Rose in the Organ Mountains in 

 1915, which flowered in the New York Botanical Garden, February 17, 1921. Figure 227 

 shows the plant received from Paris in 1902 which flowered in the New York Botanical 

 Garden on March 6, 191 7. 



30. Rhipsalis puniceo-discus G. A. Lindberg, Gartenflora 42: 233. 1890. 



Rhipsalis foveolaia Weber, Diet. Hort. Bois 1047. 1898. According to Roland-Gosselin. 

 RhipsaUs chrysocarpa Lofgren, Arch. Jard. Bot. Rio de Janeiro i: 94. 1915. 

 ? Rhipsalis chrysanlha Lofgren, Arch. Jard. Bot. Rio de Janeiro i: 99. 1915. 



Branches slender, almost filiform, hanging, pale green when young, freely rooting; branches in 

 terminal whorls, often as many as 6; flowers large, 1.5 cm. long, white; perianth-segments widely 

 spreading; stamens orange-colored, at least at base; fruit at first dark red but in age golden yellow 



Type locality: Not cited. 

 Distribution: Brazil. 



This plant first passed in living collections as R. funalis gracilis (Gartenflora 42 : 

 233- 1893.) 



