(174) 



3857- A small-fruited variety of the same. Acquired by H. H. Rusby in the market 

 of Medellin, Colombia, August, 1917. 



THE CACTUS FAMILY (Cactaceae) 



3858. The stem of Opuntia Ficus-indica Mill. Native of Central America and 



cultivated for its fruit. Grown in the conservatory of the New York 

 Botanical Garden. 



3859. Indian fig. Prickly pear. Tuna. — The fruit of the preceding. Pulp 

 pinkish-yellow. Purchased by H. H. Rusby in the market of Queretaro, 

 Mexico, August 2, 1920. 



3860. Another sample of the same. Acquired by Mrs. N. L. Britton in the market 



of Zocanistlas, Mexico, November, 1896. 



3861. Another sample of the same. Acquired by N. L. Britton in Bermuda, from 



cultivated plants. 



3862. Cardon. Prickly pear. — The stem of Opuntia streptacantha Lem. Native 

 of tropical America, and cultivated. Grown in the conservatory of the 

 New York Botanical Garden. 



3863. The fruit of the preceding. From the New York market. Presented by the 

 New York Horticultural Society, October, 1905. 



3864. Another sample of the same. Acquired by Mrs. N. L. Britton in the market 



of Zocanistlas, Mexico, November, 1896. 



3865. Another specimen of the same. Acquired by H. H. Rusby in the market of 

 Querataro, Mexico, August, 1910. 



3866. Another specimen of the same. Same source as the preceding. 



3867. Camuesa prickly pear. — The joints of Opuntia robusta Wendl. Native of 

 tropical America and cultivated for its fruit. Grown in the conservatory 

 of the New York Botanical Garden. 



3868. The fruits of the preceding. Pulp white, very juicy and of peculiar flavor. 



Acquired by H. H. Rusby in the market of Queretaro, Mexico, August, 1910. 



3869. Queso de Tuna. Tuna cheese. — The dried, pressed fruits of species of 



Opuntia. Acquired in the market of Juarez, Mexico, by H. H. Rusby, 

 February, 1904. 



3870. Queso de Tuna alba. White Opuntia marmalade. Made from the unripe 

 fruits of species of Opuntia by straining out the seeds, boiling the pulp, 

 stirring vigorously while cooling, and pressing into cakes in corn husks. 

 Acquired by Edward Palmer in San Luis Potosi, Mexico. 



3871. Queso de Tuna de Color. Red Opuntia marmalade. — Made from the ripe 

 fruits of the same, in the same manner, but not stirred while cooling. Same 

 source as preceding. 



3872. Garambullo. — The fruit of Myrtillocactus geometrizans (Mart.) Consale. 



Native of the tableland of Central Mexico, where the fruit is of considerable 

 commercial importance. The berries are free from spines, sweet and deli- 

 cious, and possess the flavors of mulberry, raspberry and strawberry, their 

 respective strengths in the order named. Acquired by H. H. Rusby in 

 the market of Empalma de Gonzales, Mexico, June 18, 1910. 



3873. The same fruits, on the stem. Collected by H. H. Rusby in the same 



locality, June 20, 1910. 



3874. The same stems in flower. Same collector, locality, and date. 



