UTILIZATION AND COMPOSITION OF ORIENTAL VEGETABLES 41 
Jesuits' Nut (Trapa bieornis, T. natans). (Fig. 30) 
Chinese name: Ling-kok 
Japanese name : Ilishi-mo-ini 
Shape: Protuberant, triangular; has two strong oppositely placed long de- 
curved horns. 
Size: Two and one-half to three inches long from tip to tip of horns; 1 inch 
wide. 
Color: Brown to ebony. 
The Jesuits' nut plant, also called " water caltrops," is a floating 
aquatic annual with spongy, inflated petioles (?, p. 132). It is indig- 
enous to the Orient. 
Figure 30. — Jesuits' nut 
The Jesuits' nut may be found on the markets in late September. 
Its use, however, is limited to the Full Moon festival of the Chinese. 
The Jesuits' nut contains a large, white kernel. The nuts are boiled 
for an hour in hot water. The kernels are then removed and eaten 
while they are still warm. 
Oriental Pickling Melon (Cucnmis conomon). (Fig. 37) 
Chinese name : Yuet-kwa 
Japanese name: Shiro-uri 
Shape: Oblong, cylindrical, slightly clavate. 
Size: Eight to twelve inches long, 2V 2 to 3>/_> inches in diameter. 
Color: White to light yellowish green skin and white flesh. 
The oriental pickling melon is closely related to the common green 
cucumber and resembles it in size, shape, and weight, but not in the 
