1839 
■ aleurites sp. (Euphorbiaceae ) , 55926. From Yunnan, China. Seeds 
collected by J. F. Rock, Agricultural Explorer of the Bureau of Plant 
Industry. "(No. 6163. August 10, 1922.) Seeds of a tree 10 to 15 
feet high, which grows wild on the lower slopes of the mountains of 
the Yangpi valley, .at an altitude of 6,600 feet. It is called 'Tung- 
yu shu 1 by the natives; oil is obtained from the seeds and used for 
making oil cloth and also for burning." (Rock. ) 
AMYGDALUS PERSICA ( Amygdalaceae ) , 55927 to 55929. Peach. From 
Yunnan, China. Seeds collected by J. F. Rock, Agricultural Explorer 
of the Bureau of Plant Industry. Quoted notes by Mr. Rock, 
55927. "(August 10, 1922. ) Seeds of a half-wild peach growing 
near Yangpi, two days from Talifu. The tree is old, with large trunks; 
the large reddiah and green fruits, 4 inches in diameter, are freestone, 
with firm, sweet,. white flesh which becomes red near the seed." 
55928. "(Yangpi. August 10, 1922.) A half-wild peach growing 
near a temple. The fruits are l£ to 2. inches in diameter, clingstone, 
very juicy and sweet." 
55929. "(August 20, .1922.) One of the largest fruited peaches 
I know, found growing wild in the Likiang valley. The pointed fruits 
are 3i to 4 inches in diameter, . clingstone, with firm white flesh of 
fair flavor." 
CASTANEA sp. (Fagaceae), 55984. Chestnut. From Yunnan, China. 
Seeds collected by J. .F. Rock, Agricultural Explorer of the Bureau of 
Plant Industry. "(No. 6256a. September, 1922. ) Tall trees found wild 
in the valleys of the Ha itung range, east of the Tali lake, at an alti- 
tude of 8.000 feet. The nuts are larger than those from the mountains 
near Yangpi, but both are very sweet and delicious in flavor." (Rock.) 
chaenomeles sp. (Malaceae), 55985. Chinese quince. From Yunnan, 
China. . Seeds collected by J. F. Rock, . Agricultural Explorer of the 
Bureau of Plant Industry. "(Talifu, September 19, 1922.) This quince 
which the Chinese call 'Mu kua' is domesticated around Talifu. The 
tree is 50 to 80 feet high, with a large trunk. The very aromatic 
fruits, rich yellow with a reddish tinge, have firm, hard, yellow 
flesh." (Rock.) 
CORYLUS sp. (Betulaceae), 55987. Hazelnut. From Yunnan, China. 
Seeds, collected by J. F. Rock, Agricultural Explorer of the Bureau of 
Plant Industry, "(No. 3292. Nguluke, September 11. 1922.) A tree 60 
to 80 feet in height, with trunks 2 to 3 feet in diameter, found at 
altitudes of 9,500 to 10,000 feet among limestone bowlders near springs 
at the foot of the Likiang snow range. The tree is handsome, with 
very, large leaves, and bears large edible nuts." (Rock.) 
