94 



THE CACTACEAE. 



Type locality: Road between Mitla and Oaxaca, Mexico. 



Distribution: Oaxaea, Mexico. 



In flower and fruit this much resembles L. stellatus, but has a different habit, more ribs, 

 and different areoles. This plant is not common in the deserts about Oaxaca, but when it 

 does occur is found in clumps. It is characterized by its strict elongated stems, which 

 seldom branch. 



Illustration: Contr. U. S. Nat. Herb. 12: pi. 70. 



Figure 137 is from a photograph taken by Dr. MacDougal at the type locality in 1906. 



cereus stellatus. 



13. Lemaireocereus deficiens (Otto and Dietrich). 



Cereus deficiens Otto and Dietrich, Allg. Gartenz. 6: 28. 1838. 

 Cereus clavatus Otto and Dietrich, Allg. Gartenz. 6:28. 1838. 

 Cereus eburneus clavatus Fobe, Monatsschr. Kakteenk. 18: 78. 1908. 



A tall tree-like plant, with a more or less definite trunk and many stout erect branches, the 

 old trunk often spineless; branches somewhat glaucous; ribs 7 or 8, very broad at base; areoles borne 

 at the depressions on the ribs, large, white or brown-felted; spines about 8, grayish with black 

 tips, more or less spreading, sometimes appressed, 1 to 1.5 cm. long, the clusters either with or with- 

 out central ones, these, when present, 3 cm. long and a little flattened; flowers only 5 to 6 cm. long; 

 ovary without spines, the areoles felted ; fruit very spiny, edible, its flesh either red or white, juicy. 



Type locality: Caracas, Venezuela. 

 Distribution: Central part of coast of Venezuela. 



