3857. 
3858. 
3859. 
3860. 
3861. 
3862. 
3863. 
3864. 
3865. 
3866. 
3867. 
3868. 
3869. 
3870. 
3871. 
3872. 
3873. 
3874. 
(174) 
A small-fruited variety of the same. Acquired by H. H. Rusby in the market 
of Medellin, Colombia, August, 1917. 
THE CACTUS FAMILY (Cactaceae) 
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. 
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. 
Another sample of the same. Acquired by Mrs. N. L. Britton in the market 
of Zocanistlas, Mexico, November, 1896. 
Another sample of the same. Acquired by N. L. Britton in Bermuda, from 
cultivated plants. 
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. 
The fruit of the preceding. From the New York market. Presented by the 
New York Horticultural Society, October, 1905. 
Another sample of the same. Acquired by Mrs. N. L. Britton in the market 
of Zocanistlas, Mexico, November, 1896. 
Another specimen of the same. Acquired by H. H. Rusby in the market of 
Querataro, Mexico, August, 1910. 
Another specimen of the same. Same source as the preceding. 
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. 
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, Ig1o. 
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. 
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. 
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. 
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. 
The same fruits, on the stem. Collected by H. H. Rusby in the same 
locality, June 20, 1910. 
The same stems in flower. Same collector, locality, and date. 
