ee ee 
BRITTON AND ROSE—CEREUS AND ITS ALLIES. 427 
Lophocereus australis (K. Brandegee). 
Cereus schottii australis K. Brandegee, Zoe 5: 4, 1900. 
Type Locauiry: Not cited. 
Distripution: Southern Lower California and southwestern Sonora. 
Lophocereus sargentianus (Orcutt). 
Cereus sargentianus Orcutt, Gard. & For. 4: 436, 1891. 
Pilocereus sargentianus Orcutt, Monatssch. Kakteenk. 2: 76. 1892. 
Type LocALity: San Quentin, Lower California. 
DisrrisuTion: Northern Lower California. 
ILLusTRATION: Orcutt, Gard. & For. loc. cit. f. 69; Monatssch. Kakteenk. 5: 87. 
Lophocereus schottii (Ingelm. ). 
Cereus schottii Engelm. Proc. Am, Acad, 3: 288. 1856. 
Pilocereus schottii Lem. Rev. Hortic. 1862: 428. 1862. 
Cereus palieri Engeli.; Coult. Contr, Nat. Herb. 3: 401. 1896. 
Type LocaLity: Toward Santa Magdalena, Sonora, Mexico. 
Distripution: Sonora, Arizona, and northeastern Lower California, 
Iuuustrations: Bot. Mex. Bound. pl. 74. f. 16 (seed); Gesamtb. Kakteen /f. 37, 38. 
11. MYRTILLOCACTUS Console, Bull. Ort. Bot. Palermo 1: 8, 1897. 
Plants usually with a single trunk and a large much-branched top; ribs few; 
spines of all the areoles similar; flowers diurnal, very small, several from a single 
areole, with a very short tube and widely spreading petals; ovary bearing a few 
minute bracts, spineless; fruit a small globular edible berry; seeds small, black, 
with a basal hilum, 
Type species Cereus geometrizans Mart. 
Myrtillocactus cochal (Orcutt). 
Cereus cochal Orcutt, West. Am. Scientist 6: 29. 1899. 
Cereus geometrizans cochal K. Brandegee, Zoe 5: 4. 1900. 
Type Locairy: Todos Santos Bay, Lower California. 
DistrisutTion: Lower California. 
IuLusrraTion: Monatssch. Kakteenk. 5: 74. 
Myrtillocactus geometrizans ( Mart.) Console, Bull. Ort. Bot. Palermo 1: 8. 1897. 
Puare LXXILI. 
Cereus geometrizans Mart.; Pfeiff. Enum. Cact. 90. 1837. 
Cereus pugionifer Lem. Cact. Noy. 30. 1838. 
Cereus quadrangulispiis Lem.; Khrenb, Linnaea 19: 363. 1847, hyponym. 
Type LocaLity: Mexico. 
DisTRIBUTION: San Luis Potosf to Oaxaca, Mexico. 
ILLustraTions: Karsten, Ber. Deutsch. Bot. Gesell. 15: pl. 2; Schum. Gesamtb. 
f. 23. 
EXPLANATION OF PLATE LXXII.—From a photograph taken by Dr. D. T. MacDougal. 
Myrtillocactus schenckii (Purpus). Puate LXNIIT. 
Cereus schenckii Purpus, Monatss. Kakteenk. 19: 38. 1909. 
Type Locauity: ‘Sierra de Mixteca.”’ 
Disrrisution: Puebla and Oaxaca, Mexico. 
ILLusTRATION: Purpus, loc. cit. 39. 
EXPLANATION OF PLATE LXXIII.—From a photograph taken by Dr. D.‘T. MacD ugal. 
