EPIPHYLLANTHUS. 181 
Illustrations: Arch. Jard. Bot. Rio de Janeiro 2: pl. 4, as Zygocactus opuntioides ; 
Arkiv Bot. Stockholm 8: pt. 7. 10, as Epiphyllum opuntioides. 
Figure 188 is reproduced from the first illustration cited above; figure 189 is reproduced 
from the second illustration cited above. 
Fics. 188 and 189.—Epiphyllanthus obovatus. 
2. Epiphyllanthus microsphaericus (Schumann). 
Cereus microsphaericus Schumann in Martius, Fl. Bras. 47: 197. 1890. 
Cereus parvulus Schumann in Martius, Fi. Bras. 4?: 197. 1890. 
Cereus obtusangulus Schumann in Martius, Fl. Bras. 47: 198. 1890. 
Cereus anomalus Schumann, Keys Monogr. Cact. 16. 1903. ; 
Epiphyllanthus obtusangulus Berger, Rep. Mo. Bot. Gard. 16: 84. 1905. ots 
Zygocactus obtusangulus Lofgren, Arch. Jard. Bot. Rio de Janeiro 2: 28. 1918. 
growing under rocks and perhaps 
d more or less prostrate, 
Low, at first erect, much branched an p Oe ae ten maked; flowers 
epiphytic on trees; joints slender, terete or obtusely angled, somew 
all terminal, purple to rose. 
Type locality. Province of Rio de Janeiro, Brazil. 
Distribution: Central Brazil. _ : 
Dr. Rose collected this species on Itatiaya, Brazil, in 1915 (N 
higher altitudes than E. obovatus. 
Epiphyllum -obtusangulum Lindberg (Martius, FI. 
referred here as a synonym, has not been published. 
Illustrations: Arch. Jard. Bot. Rio de Janeiro 2: pl. 
Schumann, Gesamtb. Kakteen f. 30, as Cereus obtusangulus. 
Figure 190 is reproduced from the first illustration cited above. 
0. 20494), growing at 
Bras. 42: 198. 1890), usually 
5, as Zygocactus obtusangulus ; 
