114 FIELD MUSEUM OF NATURAL HISTORY 
from the seeds of Dipterocarpus glandulosus, a valuable water- 
proofing for buckets and other conveyors. 
The Vegetable Tallow Family (Guttiferce). 
Case 485. — A family peculiar in its yield of vegetable tallows, 
butters and greases. Note Kokam Butter from the seeds of the 
Indian Garcinia indica; Vegetable Grease from the kernels of 
the African Allamblackia Stuhlmanni; the seeds of the Tallow 
Tree of Sierra Leone (Pentadesma hutyracea) the fruits of 
which yield an edible tallow; note other oils and gums and the 
Mangosteen {Garcinia mangostena) esteemed as the choicest of 
all fruits. 
The Arnatto Family {Bixacecc), 
Case 485.— Note the seeds, fruits and extract of the Butter 
Color Tree {Bixa orellana) of South America. 
The Passionflower Family {Passifloracecc). 
Case 486. — Note that the fruits of several species of passion- 
flowers are edible, especially the Grenadilla {Passiflora edulis) of 
Central and South America. 
The Cactus Family {Cactacece). 
Case 486. — Note the various forms of cactus: the cochineel 
bugs and extract; the model of an edible cactus fruit {Opunfia 
Toona) ; and candy made of the pith of Echinocactus Emoryi the 
horribly spined form shown on the second shelf above. 
The Leatherwood Family (Thymelaeacecu). 
Case 486. — Note the beautiful lace-like inner bark of the Lace- 
bark (Lagetta lintearia) of the West Indies, and whip and doileys 
made of the same; note Moose-wood {Dirca palustris) the bark 
of which was utilized by the American Indians for thongs. 
The Pomegranate Family (Punicacecc), 
Case 487. — A family composed of two species only, both 
yielding edible fruit. The Pomegranate (Punica granatum), of 
the oriental tropics, an acid fruit with a very astringent rind 
used for tanning. The flowers are used as an astringent medicine 
and as a dye. 
