1878 
quercus spp. (Fagaceae), 56349, 56350, 56352, 56354. Oak. From 
China. Seeds collected by J. F. Rock, Agricultural Explorer of the 
Bureau of Plant Industry. Quoted notes by Mr. Rock. 
56349. quercus sp. "(No. 6794. Ashi. October, 1922.) A tree 
50 feet tall, with a trunk 3 feet in diameter, found on the Likiang 
Snow Range in dry regions near the Yangtze River at an altitude of 
9,000 feet. The small pale-green leaves are obovate and the small 
acorns have papery involucres." 
56350. QUERCUS sp. "(No. 6817. October, 1922.) A tree 50 to 
60 feet tall, from the western elopes of the Likiang Snow Range on the 
road from Ashi to the Yangtze River, at an altitude of 11,000 feet. It 
has large, sessile, oblong-oval, laciniate leaves and small, edible, 
sweet acorns." 
56352. QUERCUS sp. "(No. 7004. Kuyung. November, 1922.) A 
tall tree, 70 to 80 feet in height, with trunks 3 to 4 feet in diameter, 
which grows in sandy soil in the mountains north of Tengyueh, at an 
altitude of 7,500 feet. The numerous acorns are borne in dense spikes 
5 or 6 inches long, the involucre inclosing the acorn." 
56354. quercus sp. "(No. 7009. Kuyung. November, 1922.) A tall 
tree, 70 to 80 feet in height, with large straight trunks 3 or 4 feet 
in diameter, which grows in the mountains north of Tengyueh at an alti- 
tude of 7,000 to 8,000 feet. The acorns are inclosed in conical invo- 
lucres and are borne in stout, densely packed spikes." 
raphanus SATivus (Brassicaceae) , 56602. Radish. From Tengyueh, 
Yunnan, China. Seeds collected by J. F. Rock, Agricultural Explorer 
of the Bureau of Plant Industry. "(No. 7816.) 'Water radish.' A 
large snow-white, oblong radish 3 feet long and 5 inches thick, cooked 
like kohlrabi." (Rock.) 
rhododendron spp. (Ericaceae), 56355-56358, 56360, 56362-56364. 
From China. Seeds collected by J. F. Rock, Agricultural Explorer of 
the Bureau of Plant Industry. Quoted notes by Mr. Rock. 
56355. rhododendron DELAVAYi. "(Nos. 3012 and 6743. November 
27, 1922.) A small tree, 15 to 20 feet or more in height, common 
throughout Yunnan; these seeds were collected on the Salwin-Shweli 
Watershed at an altitude of 8,000 feet. The stiff, spreading, narrow 
leaves are brownish beneath and the crimson flowers are in large ter- 
minal heads." 
56356. rhododendron fortunei. "(No. 6829. October, 1922.) A 
shrub or small tree, 15 to 20 feet in height, with a trunk a foot in 
diameter, which grows on the Likiang Snow Range at altitudes of 9,000 
to 11,000 feet. The leaves are large and smooth and the large, exceed- 
ingly handsome, fragrant, light-pink flowers are in large terminal 
clusters." 
56357. rhododendron heuolepis. "(No. 6828. October, 1922.) A 
