BRITTON AND ROSE—EPIPHYLLUM AND ITS ALLIES. 259 
Epiphyllum stenopetalum (Férst.) Britt. & Rose. 
Phyllocactus stenopetalus Forst. Handb. Cact. 441. 1846. 
Type Locality: None given. 
DisTRIBuTION: Mexico. 
Epiphyllum strictum (Lem.) Britt. & Rose. 
Phyllocactus strictus Lem. Ilustr. Hort. Lem. 1: Misc. 107. 1853. 
Typr LocaLity: InCuba. The plant is, however, unknown in the wild state in Cuba. 
DistRIBUTION: Cuba; Guatemala, fide Schumann. 
. InLusrrations: Schum. Gesamtb. Kakt. /. 47. Monatsschr. Kakteenk. 6: 183, as 
Phyllocactus strictus. 
Epiphyllum thomasianum (Schum.) Britt. & Rose. 
Phyllocactus thomasianus Schum. Monatsschr. Kateenk. 5: 6. 1896. 
Tyre LocaLity: Not given. 
DisTRiBuTION: Costa Rica. 
InLusTRaTiIoNs: Bliihende Kakt. pl. 41. Monatsschr. Kakteenk. 5: pl. [1], as 
Phyllocactus thomasianus. 
UNCERTAIN SPECIES. 
Phyllocactus purpusii Weing. Monatsschr. Kakteenk. 17: 34, 1907. 
We know this species only from description. It seems to be closely related to 
Epiphyllum oxypetalum, and comes from near the home of that species. 
Phyllocactus macrocarpus Weber, Bull. Mus. Hist. Nat. 8: 464. 1902. 
This appears to be the same as Epiphyllum thomasianum. 
Phyllocactus macropterus Lem. I!lustr. Hort. Lem. 11: Misc. 73. 1864. 
Known to us only from the original imperfect description, which may apply to one 
of the Costa Rican species above listed. 
DISOCACTUS Lindl. Edwards’s Bot. Reg. 31: pl. 9. 1845. 
Distsocactus Kunze, Bot. Zeit. 3: 533. 1845. 
Stems terete, usually erect, the branches flattened; flower regular, its tube very 
short; petals few, elongated, spreading; ovary naked, small; fruit nearly globular, 
not at all angled. 
Type species, Cereus biformis Lindl. 
Disocactus biformis Lindl. Edwards’s Bot. Reg. 31: pl. 9. 1845. 
Cereus biformis Lindl. Edwards’s Bot. Reg. 29: Misc. 66. 1843. 
Disisocactus biformis Kunze, Bot. Zeit, 3: 533. 1845. 
Phyllocactus biformis Labour. Monogr. Cact. 418. 1858. 
Typ LOCALITY: In Honduras, but the species was described froma garden specimen. 
DistriBUTION: Honduras. 
InLusTRATIONS: Edwards’s Bot. Reg. 31: pl.9. Palmer, Cult. Cact. 175. Forst. 
Handb. Cact. ed. 2. f. 120; Riimpl. Sukkulenten /. 86—both as Disisocactus biformis. 
Bliihende Kakt. pl. 54; Curtis’s Bot. Mag. 101: pl. 6156; Dict. Gard. Nicholson 3: 
f. 135; Monatsschr. Kakteenk. 9: 141—all as Phyllocactus biformis. 
Disocactus eichlamii (Weing.) Britt. & Rose. PuatTE 79. 
Phyllocatus eichlamii Weing. Monatsschr. Kakteenk. 21: 5. 1911. 
TyPE Locality: In Guatemala. 
DisTRIBUTION: Guatemala. 
EXPLANATION OF PLATE 79.—A plant in cultivation, received from F. Eichlam, showing old or half-with- 
ered flowers. Scale 3. , 
